diff --git a/src/assets/asset_manager.jai b/src/assets/asset_manager.jai
index 649d831..58e177d 100644
--- a/src/assets/asset_manager.jai
+++ b/src/assets/asset_manager.jai
@@ -267,6 +267,8 @@ add_resources_from_pack :: (pack: *Loaded_Pack) {
                         }
                         log_info("Loaded % particle definitions from pack", g_emitter_defs.count);
                     }
+                } else if name == "foliage" {
+                    load_foliage_defs_from_json(create_string_from_memory(v.data));
                 }
             case "hex";
                 pal : Loaded_Palette;
diff --git a/src/editor/editor.jai b/src/editor/editor.jai
index 62b269a..36762a1 100644
--- a/src/editor/editor.jai
+++ b/src/editor/editor.jai
@@ -7,6 +7,7 @@
     #load "level_editor.jai";
     #load "particle_editor.jai";
     #load "material_studio.jai";
+    #load "foliage_studio.jai";
 }
 #if FLAG_TACOMA_ENABLED { #load "tacoma.jai"; }
 #load "console.jai";
@@ -19,6 +20,7 @@ Editor_View :: enum {
     Level_Editor;
     Particle_Editor;
     Material_Editor;
+    Foliage_Editor;
 };
 
 current_editor_view : Editor_View = .Trile_Editor;
@@ -65,6 +67,8 @@ draw_editor_ui :: (theme: *GR.Overall_Theme) {
             if keybind_button(r, "Particle studio", .STUDIO_MATERIAL, *t_button_selectable(theme, current_editor_view == .Particle_Editor)) { clear_particles(); current_editor_view = .Particle_Editor; }
             r.x -= r.w;
             if keybind_button(r, "Material studio", .STUDIO_SWATCHES, *t_button_selectable(theme, current_editor_view == .Material_Editor)) { clear_particles(); current_editor_view = .Material_Editor; }
+            r.x -= r.w;
+            if keybind_button(r, "Foliage studio",  .STUDIO_FOLIAGE,  *t_button_selectable(theme, current_editor_view == .Foliage_Editor))  { clear_particles(); current_editor_view = .Foliage_Editor; }
 
             if current_editor_view == {
                 case .Trile_Editor;
@@ -75,6 +79,8 @@ draw_editor_ui :: (theme: *GR.Overall_Theme) {
                     draw_particle_editor_ui(theme);
                 case .Material_Editor;
                     draw_material_studio_ui(theme);
+                case .Foliage_Editor;
+                    draw_foliage_studio_ui(theme);
             }
         }
         draw_profiler();
diff --git a/src/editor/foliage_studio.jai b/src/editor/foliage_studio.jai
new file mode 100644
index 0000000..2129571
--- /dev/null
+++ b/src/editor/foliage_studio.jai
@@ -0,0 +1,155 @@
+#scope_file
+
+fs_selected_index : s32 = -1;
+fs_scroll         : float = 0;
+
+fs_name_input_start : string = "";
+fs_anim_input_start : string = "";
+
+fs_label :: (r: *GR.Rect, text: string, theme: *GR.Overall_Theme) {
+    GR.label(r.*, text, *t_label_left(theme));
+    r.y += r.h;
+}
+
+fs_float :: (r: *GR.Rect, label: string, value: *float, lo: float, hi: float, step: float, theme: *GR.Overall_Theme, loc := #caller_location) {
+    GR.label(r.*, label, *t_label_left(theme));
+    r.y += r.h;
+    GR.slider(r.*, value, lo, hi, step, *theme.slider_theme, loc = loc);
+    r.y += r.h;
+}
+
+fs_select_def :: (idx: s32) {
+    fs_selected_index = idx;
+    if idx >= 0 && idx < cast(s32) g_foliage_defs.count {
+        fs_name_input_start = g_foliage_defs[idx].name;
+        fs_anim_input_start = g_foliage_defs[idx].animation_name;
+    }
+}
+
+#scope_export
+
+draw_foliage_studio_ui :: (theme: *GR.Overall_Theme) {
+    panel_w := ui_w(20, 20);
+    row_h := ui_h(3, 0);
+
+    list_r := GR.get_rect(ui_w(80, 20), ui_h(5,0), panel_w, ui_h(95, 0));
+    ui_add_mouse_occluder(list_r);
+    draw_bg_rectangle(list_r, theme);
+
+    r := list_r;
+    r.h = row_h;
+
+    half_w := r.w / 2;
+    orig_w := r.w;
+    r.w = half_w;
+    if GR.button(r, "New", *theme.button_theme) {
+        def : Foliage_Def;
+        def.name = sprint("foliage_%", g_foliage_defs.count);
+        array_add(*g_foliage_defs, def);
+        fs_select_def(cast(s32)(g_foliage_defs.count - 1));
+    }
+    r.x += half_w;
+    if GR.button(r, "Duplicate", *theme.button_theme) {
+        if fs_selected_index >= 0 && fs_selected_index < cast(s32) g_foliage_defs.count {
+            def := g_foliage_defs[fs_selected_index];
+            def.name = sprint("%_copy", def.name);
+            def.animation_name = copy_string(def.animation_name);
+            array_add(*g_foliage_defs, def);
+            fs_select_def(cast(s32)(g_foliage_defs.count - 1));
+        }
+    }
+    r.x -= half_w;
+    r.w = orig_w;
+    r.y += r.h;
+
+    for def, idx : g_foliage_defs {
+        if r.y > list_r.y + list_r.h - row_h * 3 then break;
+        selected := (cast(s32)idx == fs_selected_index);
+        if GR.button(r, def.name, *t_button_selectable(theme, selected), cast(s32)idx) {
+            fs_select_def(cast(s32)idx);
+        }
+        r.y += r.h;
+    }
+
+    r.y = list_r.y + list_r.h - row_h * 2;
+    r.w = half_w;
+    if keybind_button(r, "Save", .SAVE, *theme.button_theme) {
+        save_foliage_defs();
+    }
+    r.x += half_w;
+    if GR.button(r, "Delete", *theme.button_theme) {
+        if fs_selected_index >= 0 && fs_selected_index < cast(s32) g_foliage_defs.count {
+            array_ordered_remove_by_index(*g_foliage_defs, fs_selected_index);
+            if fs_selected_index >= cast(s32) g_foliage_defs.count then fs_selected_index -= 1;
+            fs_select_def(fs_selected_index);
+        }
+    }
+    r.w = orig_w;
+
+    if fs_selected_index < 0 || fs_selected_index >= cast(s32) g_foliage_defs.count then return;
+
+    def := *g_foliage_defs[fs_selected_index];
+
+    edit_r := GR.get_rect(0, ui_h(5,0), panel_w, ui_h(95, 0));
+    ui_add_mouse_occluder(edit_r);
+    draw_bg_rectangle(edit_r, theme);
+
+    region, inside := GR.begin_scrollable_region(edit_r, *theme.scrollable_region_theme);
+    er := inside;
+    er.y -= fs_scroll;
+    er.h = row_h;
+
+    fs_label(*er, "Name", theme);
+    a, new_name, _ := GR.text_input(er, fs_name_input_start, *theme.text_input_theme, 0);
+    if a & .ENTERED {
+        def.name = copy_string(new_name);
+        fs_name_input_start = def.name;
+    }
+    er.y += er.h;
+
+    fs_label(*er, "Animation (pack.anim)", theme);
+    a2, new_anim, _ := GR.text_input(er, fs_anim_input_start, *theme.text_input_theme, 1);
+    if a2 & .ENTERED {
+        def.animation_name = copy_string(new_anim);
+        fs_anim_input_start = def.animation_name;
+    }
+    er.y += er.h;
+
+    anim := get_animation_from_string(def.animation_name);
+    if anim != null {
+        fs_label(*er, tprint("Animation: % frames", anim.frames.count), theme);
+    } else {
+        fs_label(*er, tprint("Animation: not found ('%')", def.animation_name), theme);
+    }
+
+    orig_w2 := er.w;
+    er.w = orig_w2 / 2;
+
+    fs_label(*er, "Type", theme);
+    if GR.button(er, "Grass", *t_button_selectable(theme, def.type == .GRASS), 100) then def.type = .GRASS;
+    er.x += er.w;
+    if GR.button(er, "Tree",  *t_button_selectable(theme, def.type == .TREE),  101) then def.type = .TREE;
+    er.x -= er.w;
+    er.y += er.h;
+
+    fs_label(*er, "Frames", theme);
+    if GR.button(er, "Variant", *t_button_selectable(theme, def.frame_mode == .VARIANT), 102) then def.frame_mode = .VARIANT;
+    er.x += er.w;
+    if GR.button(er, "Loop",    *t_button_selectable(theme, def.frame_mode == .LOOP),    103) then def.frame_mode = .LOOP;
+    er.x -= er.w;
+    er.y += er.h;
+
+    er.w = orig_w2;
+
+    if def.type == .GRASS {
+        fs_float(*er, tprint("Density: %", def.density), *def.density, 0, 1, 0.05, theme);
+        fs_float(*er, tprint("Jitter: %", def.jitter), *def.jitter, 0, 0.5, 0.05, theme);
+    }
+    fs_float(*er, tprint("Scale Min: %", def.scale_min), *def.scale_min, 0.1, 4, 0.05, theme);
+    fs_float(*er, tprint("Scale Max: %", def.scale_max), *def.scale_max, 0.1, 4, 0.05, theme);
+    if def.scale_max < def.scale_min then def.scale_max = def.scale_min;
+    fs_float(*er, tprint("Sway Intensity: %", def.sway_intensity), *def.sway_intensity, 0, 1, 0.05, theme);
+    fs_float(*er, tprint("Sway Speed: %", def.sway_speed), *def.sway_speed, 0, 5, 0.1, theme);
+
+    GR.end_scrollable_region(region, er.x + er.w, er.y, *fs_scroll);
+}
diff --git a/src/foliage.jai b/src/foliage.jai
new file mode 100644
index 0000000..34bba25
--- /dev/null
+++ b/src/foliage.jai
@@ -0,0 +1,88 @@
+// Our foliage system. Cells on a 2D grid.
+
+Foliage_Type :: enum u8 {
+    GRASS; // For stuff that you want to just paint and gets rendered a lot. Grass or hay.
+    TREE;  // For when you want single placements of something. Trees or bushes.
+}
+
+Foliage_Frame_Mode :: enum u8 {
+    VARIANT; // The seed picks one frame and it stays there.
+    LOOP;    // Plays the animation, with the seed offsetting the start.
+}
+
+Foliage_Def :: struct {
+    name           : string;
+    type           : Foliage_Type;
+
+    // What we render
+    animation_name : string;
+    frame_mode     : Foliage_Frame_Mode;
+
+    density        : float = 0.5; // Only does anything when foliage type is grass.
+    scale_min      : float = 1;
+    scale_max      : float = 1;
+    jitter         : float = 0.4;
+    sway_intensity : float;
+    sway_speed     : float = 1;
+}
+
+FOLIAGE_NONE :: 0;
+
+// Chunks in the world contain a 2D grid of these.
+Foliage_Cell :: struct {
+    id : u8; // FOLIAGE_NONE when empty.
+    y  : u8; // Local y inside the chunk, so we don't draw grass on top of a bridge.
+}
+
+g_foliage_defs : [..]Foliage_Def;
+
+get_foliage_def :: (name: string) -> *Foliage_Def {
+    for *def: g_foliage_defs {
+        if def.name == name then return def;
+    }
+    return null;
+}
+
+register_foliage_def :: (def: Foliage_Def) {
+    for *existing: g_foliage_defs {
+        if existing.name == def.name {
+            existing.* = def;
+            return;
+        }
+    }
+    array_add(*g_foliage_defs, def);
+}
+
+get_foliage_def_names :: () -> []string {
+    names : [..]string;
+    names.allocator = temp;
+    for def: g_foliage_defs {
+        array_add(*names, def.name);
+    }
+    return names;
+}
+
+load_foliage_defs_from_json :: (s: string) {
+    success, defs := Jaison.json_parse_string(s, [..]Foliage_Def,, temp);
+    if !success {
+        log_error("Failed to parse foliage definitions");
+        return;
+    }
+    array_reset(*g_foliage_defs);
+    for defs {
+        def := it;
+        def.name           = sprint("%", it.name);
+        def.animation_name = sprint("%", it.animation_name);
+        array_add(*g_foliage_defs, def);
+    }
+    log_info("Loaded % foliage definitions from pack", g_foliage_defs.count);
+}
+
+save_foliage_defs :: () {
+    #if OS != .WASM {
+        file :: #import "File";
+        json := Jaison.json_write_string(g_foliage_defs, " ");
+        file.write_entire_file(tprint("%/game_core/foliage.json", GAME_RESOURCES_DIR), json);
+        log_info("Saved % foliage definitions", g_foliage_defs.count);
+    }
+}
diff --git a/src/input/keybinds.jai b/src/input/keybinds.jai
index 2fa17e0..6485bac 100644
--- a/src/input/keybinds.jai
+++ b/src/input/keybinds.jai
@@ -40,6 +40,7 @@ Editor_Action :: enum {
     STUDIO_LEVEL;
     STUDIO_MATERIAL;
     STUDIO_SWATCHES;
+    STUDIO_FOLIAGE;
     // Trile editor — view modes
     TRIXEL_VIEW_TILE;
     // Trile editor — tiling controls
@@ -213,6 +214,7 @@ set_default_bindings :: () {
     set(.STUDIO_LEVEL,        cast(Key_Code) #char "2", ctrl = true);
     set(.STUDIO_MATERIAL,     cast(Key_Code) #char "3", ctrl = true);
     set(.STUDIO_SWATCHES,     cast(Key_Code) #char "4", ctrl = true);
+    set(.STUDIO_FOLIAGE,      cast(Key_Code) #char "5", ctrl = true);
     set(.TRIXEL_VIEW_TILE,    cast(Key_Code) #char "9");
     set(.TRIXEL_TILING_AXIS,   cast(Key_Code) #char "Q");
     set(.TRIXEL_TILING_ROTATE, cast(Key_Code) #char "R");
diff --git a/src/main.jai b/src/main.jai
index 7b8168a..1eee5d1 100644
--- a/src/main.jai
+++ b/src/main.jai
@@ -42,6 +42,7 @@ FLAG_USE_TEST_GAME :: FLAG_TEST_ENGINE || FLAG_TEST_EXE_ENGINE;
 #load "ray.jai";
 #load "profiling.jai";
 #load "particles/particles.jai";
+#load "foliage.jai";
 #load "orientation.jai";
 #load "entities.jai";
 #load "world.jai";
diff --git a/src/renderer_sokol/gpu.jai b/src/renderer_sokol/gpu.jai
index 645f2ca..7428431 100644
--- a/src/renderer_sokol/gpu.jai
+++ b/src/renderer_sokol/gpu.jai
@@ -3,7 +3,7 @@ VIEW_COLOR_FORMAT :: sg_pixel_format.RGBA16F;
 VIEW_DEPTH_FORMAT :: sg_pixel_format.DEPTH;
 VIEW_SCENE_FORMAT :: sg_pixel_format.R32F;
 VIEW_GLOW_FORMAT  :: sg_pixel_format.R16F;
-SHADOW_TINT_FORMAT :: sg_pixel_format.RGBA8;   // how strongly each pixel blooms, can exceed 1
+SHADOW_TINT_FORMAT :: sg_pixel_format.RGBA16F;   // glass colour, and the nearest glass depth in alpha
 
 ALPHA_BLEND :: sg_blend_state.{
     enabled        = true,
diff --git a/src/renderer_sokol/renderer.jai b/src/renderer_sokol/renderer.jai
index 8aa1c8e..d02b35d 100644
--- a/src/renderer_sokol/renderer.jai
+++ b/src/renderer_sokol/renderer.jai
@@ -92,6 +92,8 @@ renderer_render :: (scene: *Scene, width: s32, height: s32) {
             sprites_draw(*pass, transparent = true);
             lines_draw(*pass, width, height);
             sg_end_pass();
+
+            if kind == .MAIN  view_shafts(*pass);
         }
         view_bloom(view_index);
     }
diff --git a/src/renderer_sokol/shaders/jai/shaders.jai b/src/renderer_sokol/shaders/jai/shaders.jai
index 0bc811f..3299d33 100644
--- a/src/renderer_sokol/shaders/jai/shaders.jai
+++ b/src/renderer_sokol/shaders/jai/shaders.jai
@@ -48,6 +48,11 @@
         Vertex Shader: vs_fullscreen
         Fragment Shader: fs_post
         Attributes:
+    Shader program: 'shafts':
+        Get shader desc: shafts_shader_desc(sg_query_backend())
+        Vertex Shader: vs_shafts
+        Fragment Shader: fs_shafts
+        Attributes:
     Shader program: 'sky':
         Get shader desc: sky_shader_desc(sg_query_backend())
         Vertex Shader: vs_sky
@@ -136,12 +141,15 @@
         Uniform block 'post_params':
             Jai struct: Post_Params
             Bind slot: UB_post_params => 0
-        Uniform block 'sky_params':
-            Jai struct: Sky_Params
-            Bind slot: UB_sky_params => 1
+        Uniform block 'shaft_params':
+            Jai struct: Shaft_Params
+            Bind slot: UB_shaft_params => 1
         Uniform block 'shadow_params':
             Jai struct: Shadow_Params
             Bind slot: UB_shadow_params => 3
+        Uniform block 'sky_params':
+            Jai struct: Sky_Params
+            Bind slot: UB_sky_params => 1
         Uniform block 'trile_params':
             Jai struct: Trile_Params
             Bind slot: UB_trile_params => 1
@@ -185,16 +193,26 @@
             Sample type: .FLOAT
             Multisampled: false
             Bind slot: IMG_bloom => 1
-        Image 'shadow_map':
+        Image 'shafts':
             Image type: ._2D
-            Sample type: .DEPTH
+            Sample type: .FLOAT
             Multisampled: false
-            Bind slot: IMG_shadow_map => 7
+            Bind slot: IMG_shafts => 2
+        Image 'shaft_scene':
+            Image type: ._2D
+            Sample type: .UNFILTERABLE_FLOAT
+            Multisampled: false
+            Bind slot: IMG_shaft_scene => 0
         Image 'shadow_tint':
             Image type: ._2D
             Sample type: .FLOAT
             Multisampled: false
             Bind slot: IMG_shadow_tint => 8
+        Image 'shadow_map':
+            Image type: ._2D
+            Sample type: .DEPTH
+            Multisampled: false
+            Bind slot: IMG_shadow_map => 7
         Image 'probe_index':
             Image type: ._3D
             Sample type: .FLOAT
@@ -252,12 +270,15 @@
         Sampler 'bloom_view_smp':
             Type: .FILTERING
             Bind slot: SMP_bloom_view_smp => 1
-        Sampler 'shadow_smp':
-            Type: .COMPARISON
-            Bind slot: SMP_shadow_smp => 7
+        Sampler 'shaft_scene_smp':
+            Type: .NONFILTERING
+            Bind slot: SMP_shaft_scene_smp => 0
         Sampler 'shadow_tint_smp':
             Type: .FILTERING
             Bind slot: SMP_shadow_tint_smp => 8
+        Sampler 'shadow_smp':
+            Type: .COMPARISON
+            Bind slot: SMP_shadow_smp => 7
         Sampler 'probe_smp':
             Type: .FILTERING
             Bind slot: SMP_probe_smp => 2
@@ -321,8 +342,9 @@ UB_view_params :: 0;
 UB_line_params :: 1;
 UB_sprite_params :: 1;
 UB_post_params :: 0;
-UB_sky_params :: 1;
+UB_shaft_params :: 1;
 UB_shadow_params :: 3;
+UB_sky_params :: 1;
 UB_trile_params :: 1;
 UB_trile_fs_params :: 2;
 UB_ui_vs_params :: 0;
@@ -334,8 +356,10 @@ IMG_bloom_glow :: 1;
 IMG_sprite :: 0;
 IMG_view_color :: 0;
 IMG_bloom :: 1;
-IMG_shadow_map :: 7;
+IMG_shafts :: 2;
+IMG_shaft_scene :: 0;
 IMG_shadow_tint :: 8;
+IMG_shadow_map :: 7;
 IMG_probe_index :: 3;
 IMG_probe_atlas :: 4;
 IMG_palette :: 0;
@@ -349,8 +373,9 @@ SMP_bloom_smp :: 0;
 SMP_sprite_smp :: 0;
 SMP_view_smp :: 0;
 SMP_bloom_view_smp :: 1;
-SMP_shadow_smp :: 7;
+SMP_shaft_scene_smp :: 0;
 SMP_shadow_tint_smp :: 8;
+SMP_shadow_smp :: 7;
 SMP_probe_smp :: 2;
 SMP_palette_smp :: 0;
 SMP_trile_reflection_smp :: 1;
@@ -380,6 +405,15 @@ Post_Params :: struct {
     saturation: float;
     bloom_amount: float;
 };
+Shaft_Params :: struct {
+    density: float;
+    amount: float;
+    max_distance: float;
+    steps: float;
+};
+Shadow_Params :: struct {
+    shadow_uv: [16]float;
+};
 Sky_Params :: struct {
     sky_base: [4]float;
     sky_top: [4]float;
@@ -388,9 +422,6 @@ Sky_Params :: struct {
     horizon_halo: [4]float;
     sun: [4]float;
 };
-Shadow_Params :: struct {
-    shadow_uv: [16]float;
-};
 Trile_Params :: struct {
     orientations: [72][4]float;
     show_hidden: float;
@@ -770,17 +801,497 @@ fs_bloom_up_source_glsl430 := u8.[
 /*
     #version 430
 
+    uniform vec4 view_params[13];
+    layout(location = 0) out vec4 v_point;
+    layout(location = 1) out vec3 v_camera;
+    layout(location = 2) out vec3 v_sun;
+    layout(location = 3) out float v_time;
+
+    vec2 fullscreen_position(int vertex_index)
+    {
+        return (vec2(float((vertex_index << 1) & 2), float(vertex_index & 2)) * 2.0) - vec2(1.0);
+    }
+
+    void main()
+    {
+        int param = gl_VertexID;
+        vec2 _37 = fullscreen_position(param);
+        float _48 = _37.x;
+        gl_Position = vec4(_48, _37.y, 0.0, 1.0);
+        v_point = mat4(view_params[4], view_params[5], view_params[6], view_params[7]) * vec4(_48, _37.y, 0.5, 1.0);
+        v_camera = view_params[8].xyz;
+        v_sun = view_params[11].xyz;
+        v_time = view_params[8].w;
+    }
+
+*/
+vs_shafts_source_glsl430 := u8.[
+    0x23,0x76,0x65,0x72,0x73,0x69,0x6f,0x6e,0x20,0x34,0x33,0x30,0x0a,0x0a,0x75,0x6e,
+    0x69,0x66,0x6f,0x72,0x6d,0x20,0x76,0x65,0x63,0x34,0x20,0x76,0x69,0x65,0x77,0x5f,
+    0x70,0x61,0x72,0x61,0x6d,0x73,0x5b,0x31,0x33,0x5d,0x3b,0x0a,0x6c,0x61,0x79,0x6f,
+    0x75,0x74,0x28,0x6c,0x6f,0x63,0x61,0x74,0x69,0x6f,0x6e,0x20,0x3d,0x20,0x30,0x29,
+    0x20,0x6f,0x75,0x74,0x20,0x76,0x65,0x63,0x34,0x20,0x76,0x5f,0x70,0x6f,0x69,0x6e,
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+];
+/*
+    #version 430
+
+    uniform vec4 shaft_params[1];
+    uniform vec4 shadow_params[4];
+    layout(binding = 16) uniform sampler2D shaft_scene_shaft_scene_smp;
+    layout(binding = 17) uniform sampler2D shadow_tint_shadow_tint_smp;
+    layout(binding = 18) uniform sampler2DShadow shadow_map_shadow_smp;
+
+    layout(location = 3) in float v_time;
+    layout(location = 0) in vec4 v_point;
+    layout(location = 1) in vec3 v_camera;
+    layout(location = 0) out vec4 frag_color;
+    layout(location = 2) in vec3 v_sun;
+
+    float brightest(vec3 c)
+    {
+        return max(c.x, max(c.y, c.z));
+    }
+
+    float hash(inout vec3 p)
+    {
+        p = fract((p * 0.31830990314483642578125) + vec3(0.100000001490116119384765625));
+        p *= 17.0;
+        return fract(((p.x * p.y) * p.z) * ((p.x + p.y) + p.z));
+    }
+
+    float value_noise(vec3 p)
+    {
+        vec3 _69 = floor(p);
+        vec3 _72 = fract(p);
+        vec3 _82 = (_72 * _72) * (vec3(3.0) - (_72 * 2.0));
+        vec3 param = _69;
+        float _85 = hash(param);
+        vec3 param_1 = _69 + vec3(1.0, 0.0, 0.0);
+        float _92 = hash(param_1);
+        float _94 = _82.x;
+        vec3 param_2 = _69 + vec3(0.0, 1.0, 0.0);
+        float _100 = hash(param_2);
+        vec3 param_3 = _69 + vec3(1.0, 1.0, 0.0);
+        float _105 = hash(param_3);
+        float _110 = _82.y;
+        vec3 param_4 = _69 + vec3(0.0, 0.0, 1.0);
+        float _116 = hash(param_4);
+        vec3 param_5 = _69 + vec3(1.0, 0.0, 1.0);
+        float _121 = hash(param_5);
+        vec3 param_6 = _69 + vec3(0.0, 1.0, 1.0);
+        float _129 = hash(param_6);
+        vec3 param_7 = _69 + vec3(1.0);
+        float _134 = hash(param_7);
+        return mix(mix(mix(_85, _92, _94), mix(_100, _105, _94), _110), mix(mix(_116, _121, _94), mix(_129, _134, _94), _110), _82.z);
+    }
+
+    float dust(vec3 p)
+    {
+        vec3 _149 = p * 0.800000011920928955078125;
+        vec3 param = _149 + ((vec3(0.4000000059604644775390625, 0.1500000059604644775390625, 0.300000011920928955078125) * v_time) * 0.800000011920928955078125);
+        vec3 param_1 = (_149 * 2.2999999523162841796875) - (((vec3(0.300000011920928955078125, 0.4000000059604644775390625, 0.1500000059604644775390625) * v_time) * 0.800000011920928955078125) * 1.7000000476837158203125);
+        return mix(0.0, 2.0, smoothstep(0.25, 0.75, (value_noise(param) * 0.64999997615814208984375) + (value_noise(param_1) * 0.3499999940395355224609375)));
+    }
+
+    void main()
+    {
+        vec3 _204 = normalize((v_point.xyz / vec3(v_point.w)) - v_camera);
+        float _242 = min(texelFetch(shaft_scene_shaft_scene_smp, ivec2(gl_FragCoord.xy) * ivec2(2), 0).x, shaft_params[0].z) / shaft_params[0].w;
+        float _253 = fract(52.98291778564453125 * fract(dot(gl_FragCoord.xy, vec2(0.067110560834407806396484375, 0.005837149918079376220703125))));
+        vec3 light = vec3(0.0);
+        for (float i = 0.0; i < shaft_params[0].w; i += 1.0)
+        {
+            float _272 = (i + _253) * _242;
+            vec3 _286 = (floor((v_camera + (_204 * _272)) * 16.0) + vec3(0.5)) * vec3(0.0625);
+            vec4 _301 = mat4(shadow_params[0], shadow_params[1], shadow_params[2], shadow_params[3]) * vec4(_286, 1.0);
+            float _303 = _301.x;
+            bool _304 = _303 < 0.0;
+            bool _311;
+            if (!_304)
+            {
+                _311 = _303 > 1.0;
+            }
+            else
+            {
+                _311 = _304;
+            }
+            bool _318;
+            if (!_311)
+            {
+                _318 = _301.y < 0.0;
+            }
+            else
+            {
+                _318 = _311;
+            }
+            bool _325;
+            if (!_318)
+            {
+                _325 = _301.y > 1.0;
+            }
+            else
+            {
+                _325 = _318;
+            }
+            bool _332;
+            if (!_325)
+            {
+                _332 = _301.z > 1.0;
+            }
+            else
+            {
+                _332 = _325;
+            }
+            if (_332)
+            {
+                continue;
+            }
+            vec4 _344 = texture(shadow_tint_shadow_tint_smp, _301.xy);
+            float _346 = _301.z;
+            if (_346 < (_344.w + 0.001000000047497451305389404296875))
+            {
+                continue;
+            }
+            float _368 = _346 - 0.0005000000237487256526947021484375;
+            vec3 _377 = _344.xyz;
+            vec3 param = _377;
+            vec3 param_1 = _286;
+            light += (((mix(vec3(brightest(param)), _377, vec3(0.60000002384185791015625)) * texture(shadow_map_shadow_smp, vec3(vec3(_303, _301.y, _368).xy, _368))) * exp((-shaft_params[0].x) * _272)) * dust(param_1));
+        }
+        frag_color = vec4((((light * v_sun) * shaft_params[0].x) * _242) * shaft_params[0].y, 1.0);
+    }
+
+*/
+fs_shafts_source_glsl430 := u8.[
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+    0x0a,0x00,
+];
+/*
+    #version 430
+
     uniform vec4 post_params[1];
     layout(binding = 16) uniform sampler2D view_color_view_smp;
     layout(binding = 17) uniform sampler2D bloom_bloom_view_smp;
+    layout(binding = 18) uniform sampler2D shafts_bloom_view_smp;
 
     layout(location = 0) out vec4 frag_color;
 
     void main()
     {
         vec2 _31 = gl_FragCoord.xy / vec2(textureSize(view_color_view_smp, 0));
-        vec3 _73 = ((((texture(view_color_view_smp, _31).xyz + (texture(bloom_bloom_view_smp, _31).xyz * post_params[0].w)) * exp2(post_params[0].x)) - vec3(0.5)) * post_params[0].y) + vec3(0.5);
-        frag_color = vec4(clamp(mix(vec3(dot(_73, vec3(0.2125999927520751953125, 0.715200006961822509765625, 0.072200000286102294921875))), _73, vec3(post_params[0].z)), vec3(0.0), vec3(1.0)), 1.0);
+        vec2 _67 = vec2(textureSize(shafts_bloom_view_smp, 0));
+        vec3 _142 = (((((texture(view_color_view_smp, _31).xyz + (texture(bloom_bloom_view_smp, _31).xyz * post_params[0].w)) + ((((((texture(shafts_bloom_view_smp, _31).xyz * 2.0) + texture(shafts_bloom_view_smp, _31 + (vec2(1.0) / _67)).xyz) + texture(shafts_bloom_view_smp, _31 + (vec2(-1.0, 1.0) / _67)).xyz) + texture(shafts_bloom_view_smp, _31 + (vec2(1.0, -1.0) / _67)).xyz) + texture(shafts_bloom_view_smp, _31 + (vec2(-1.0) / _67)).xyz) * vec3(0.16666667163372039794921875))) * exp2(post_params[0].x)) - vec3(0.5)) * post_params[0].y) + vec3(0.5);
+        frag_color = vec4(clamp(mix(vec3(dot(_142, vec3(0.2125999927520751953125, 0.715200006961822509765625, 0.072200000286102294921875))), _142, vec3(post_params[0].z)), vec3(0.0), vec3(1.0)), 1.0);
     }
 
 */
@@ -795,40 +1306,70 @@ fs_post_source_glsl430 := u8.[
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+    0x30,0x30,0x32,0x38,0x36,0x31,0x30,0x32,0x32,0x39,0x34,0x39,0x32,0x31,0x38,0x37,
+    0x35,0x29,0x29,0x29,0x2c,0x20,0x5f,0x31,0x34,0x32,0x2c,0x20,0x76,0x65,0x63,0x33,
+    0x28,0x70,0x6f,0x73,0x74,0x5f,0x70,0x61,0x72,0x61,0x6d,0x73,0x5b,0x30,0x5d,0x2e,
+    0x7a,0x29,0x29,0x2c,0x20,0x76,0x65,0x63,0x33,0x28,0x30,0x2e,0x30,0x29,0x2c,0x20,
+    0x76,0x65,0x63,0x33,0x28,0x31,0x2e,0x30,0x29,0x29,0x2c,0x20,0x31,0x2e,0x30,0x29,
+    0x3b,0x0a,0x7d,0x0a,0x0a,0x00,
 ];
 /*
     #version 430
@@ -1871,7 +2412,7 @@ fs_trile_shadow_source_glsl430 := u8.[
             discard;
         }
         vec4 _51 = texelFetch(palette_palette_smp, ivec2(_15, 0), 0);
-        frag_color = vec4(_51.xyz / vec3(max(max(_51.x, max(_51.y, _51.z)), 0.001000000047497451305389404296875)), 1.0);
+        frag_color = vec4(_51.xyz / vec3(max(max(_51.x, max(_51.y, _51.z)), 0.001000000047497451305389404296875)), gl_FragCoord.z);
     }
 
 */
@@ -1929,8 +2470,9 @@ fs_trile_glass_shadow_source_glsl430 := u8.[
     0x2e,0x78,0x2c,0x20,0x6d,0x61,0x78,0x28,0x5f,0x35,0x31,0x2e,0x79,0x2c,0x20,0x5f,
     0x35,0x31,0x2e,0x7a,0x29,0x29,0x2c,0x20,0x30,0x2e,0x30,0x30,0x31,0x30,0x30,0x30,
     0x30,0x30,0x30,0x30,0x34,0x37,0x34,0x39,0x37,0x34,0x35,0x31,0x33,0x30,0x35,0x33,
-    0x38,0x39,0x34,0x30,0x34,0x32,0x39,0x36,0x38,0x37,0x35,0x29,0x29,0x2c,0x20,0x31,
-    0x2e,0x30,0x29,0x3b,0x0a,0x7d,0x0a,0x0a,0x00,
+    0x38,0x39,0x34,0x30,0x34,0x32,0x39,0x36,0x38,0x37,0x35,0x29,0x29,0x2c,0x20,0x67,
+    0x6c,0x5f,0x46,0x72,0x61,0x67,0x43,0x6f,0x6f,0x72,0x64,0x2e,0x7a,0x29,0x3b,0x0a,
+    0x7d,0x0a,0x0a,0x00,
 ];
 /*
     #version 430
@@ -3752,6 +4294,496 @@ fs_bloom_up_source_glsl300es := u8.[
     0x65,0x63,0x33,0x28,0x30,0x2e,0x30,0x36,0x32,0x35,0x29,0x2c,0x20,0x31,0x2e,0x30,
     0x29,0x3b,0x0a,0x7d,0x0a,0x0a,0x00,
 ];
+/*
+    #version 300 es
+
+    uniform vec4 view_params[13];
+    out vec4 v_point;
+    out vec3 v_camera;
+    out vec3 v_sun;
+    out float v_time;
+
+    vec2 fullscreen_position(int vertex_index)
+    {
+        return (vec2(float((vertex_index << 1) & 2), float(vertex_index & 2)) * 2.0) - vec2(1.0);
+    }
+
+    void main()
+    {
+        int param = gl_VertexID;
+        vec2 _37 = fullscreen_position(param);
+        float _48 = _37.x;
+        gl_Position = vec4(_48, _37.y, 0.0, 1.0);
+        v_point = mat4(view_params[4], view_params[5], view_params[6], view_params[7]) * vec4(_48, _37.y, 0.5, 1.0);
+        v_camera = view_params[8].xyz;
+        v_sun = view_params[11].xyz;
+        v_time = view_params[8].w;
+    }
+
+*/
+vs_shafts_source_glsl300es := u8.[
+    0x23,0x76,0x65,0x72,0x73,0x69,0x6f,0x6e,0x20,0x33,0x30,0x30,0x20,0x65,0x73,0x0a,
+    0x0a,0x75,0x6e,0x69,0x66,0x6f,0x72,0x6d,0x20,0x76,0x65,0x63,0x34,0x20,0x76,0x69,
+    0x65,0x77,0x5f,0x70,0x61,0x72,0x61,0x6d,0x73,0x5b,0x31,0x33,0x5d,0x3b,0x0a,0x6f,
+    0x75,0x74,0x20,0x76,0x65,0x63,0x34,0x20,0x76,0x5f,0x70,0x6f,0x69,0x6e,0x74,0x3b,
+    0x0a,0x6f,0x75,0x74,0x20,0x76,0x65,0x63,0x33,0x20,0x76,0x5f,0x63,0x61,0x6d,0x65,
+    0x72,0x61,0x3b,0x0a,0x6f,0x75,0x74,0x20,0x76,0x65,0x63,0x33,0x20,0x76,0x5f,0x73,
+    0x75,0x6e,0x3b,0x0a,0x6f,0x75,0x74,0x20,0x66,0x6c,0x6f,0x61,0x74,0x20,0x76,0x5f,
+    0x74,0x69,0x6d,0x65,0x3b,0x0a,0x0a,0x76,0x65,0x63,0x32,0x20,0x66,0x75,0x6c,0x6c,
+    0x73,0x63,0x72,0x65,0x65,0x6e,0x5f,0x70,0x6f,0x73,0x69,0x74,0x69,0x6f,0x6e,0x28,
+    0x69,0x6e,0x74,0x20,0x76,0x65,0x72,0x74,0x65,0x78,0x5f,0x69,0x6e,0x64,0x65,0x78,
+    0x29,0x0a,0x7b,0x0a,0x20,0x20,0x20,0x20,0x72,0x65,0x74,0x75,0x72,0x6e,0x20,0x28,
+    0x76,0x65,0x63,0x32,0x28,0x66,0x6c,0x6f,0x61,0x74,0x28,0x28,0x76,0x65,0x72,0x74,
+    0x65,0x78,0x5f,0x69,0x6e,0x64,0x65,0x78,0x20,0x3c,0x3c,0x20,0x31,0x29,0x20,0x26,
+    0x20,0x32,0x29,0x2c,0x20,0x66,0x6c,0x6f,0x61,0x74,0x28,0x76,0x65,0x72,0x74,0x65,
+    0x78,0x5f,0x69,0x6e,0x64,0x65,0x78,0x20,0x26,0x20,0x32,0x29,0x29,0x20,0x2a,0x20,
+    0x32,0x2e,0x30,0x29,0x20,0x2d,0x20,0x76,0x65,0x63,0x32,0x28,0x31,0x2e,0x30,0x29,
+    0x3b,0x0a,0x7d,0x0a,0x0a,0x76,0x6f,0x69,0x64,0x20,0x6d,0x61,0x69,0x6e,0x28,0x29,
+    0x0a,0x7b,0x0a,0x20,0x20,0x20,0x20,0x69,0x6e,0x74,0x20,0x70,0x61,0x72,0x61,0x6d,
+    0x20,0x3d,0x20,0x67,0x6c,0x5f,0x56,0x65,0x72,0x74,0x65,0x78,0x49,0x44,0x3b,0x0a,
+    0x20,0x20,0x20,0x20,0x76,0x65,0x63,0x32,0x20,0x5f,0x33,0x37,0x20,0x3d,0x20,0x66,
+    0x75,0x6c,0x6c,0x73,0x63,0x72,0x65,0x65,0x6e,0x5f,0x70,0x6f,0x73,0x69,0x74,0x69,
+    0x6f,0x6e,0x28,0x70,0x61,0x72,0x61,0x6d,0x29,0x3b,0x0a,0x20,0x20,0x20,0x20,0x66,
+    0x6c,0x6f,0x61,0x74,0x20,0x5f,0x34,0x38,0x20,0x3d,0x20,0x5f,0x33,0x37,0x2e,0x78,
+    0x3b,0x0a,0x20,0x20,0x20,0x20,0x67,0x6c,0x5f,0x50,0x6f,0x73,0x69,0x74,0x69,0x6f,
+    0x6e,0x20,0x3d,0x20,0x76,0x65,0x63,0x34,0x28,0x5f,0x34,0x38,0x2c,0x20,0x5f,0x33,
+    0x37,0x2e,0x79,0x2c,0x20,0x30,0x2e,0x30,0x2c,0x20,0x31,0x2e,0x30,0x29,0x3b,0x0a,
+    0x20,0x20,0x20,0x20,0x76,0x5f,0x70,0x6f,0x69,0x6e,0x74,0x20,0x3d,0x20,0x6d,0x61,
+    0x74,0x34,0x28,0x76,0x69,0x65,0x77,0x5f,0x70,0x61,0x72,0x61,0x6d,0x73,0x5b,0x34,
+    0x5d,0x2c,0x20,0x76,0x69,0x65,0x77,0x5f,0x70,0x61,0x72,0x61,0x6d,0x73,0x5b,0x35,
+    0x5d,0x2c,0x20,0x76,0x69,0x65,0x77,0x5f,0x70,0x61,0x72,0x61,0x6d,0x73,0x5b,0x36,
+    0x5d,0x2c,0x20,0x76,0x69,0x65,0x77,0x5f,0x70,0x61,0x72,0x61,0x6d,0x73,0x5b,0x37,
+    0x5d,0x29,0x20,0x2a,0x20,0x76,0x65,0x63,0x34,0x28,0x5f,0x34,0x38,0x2c,0x20,0x5f,
+    0x33,0x37,0x2e,0x79,0x2c,0x20,0x30,0x2e,0x35,0x2c,0x20,0x31,0x2e,0x30,0x29,0x3b,
+    0x0a,0x20,0x20,0x20,0x20,0x76,0x5f,0x63,0x61,0x6d,0x65,0x72,0x61,0x20,0x3d,0x20,
+    0x76,0x69,0x65,0x77,0x5f,0x70,0x61,0x72,0x61,0x6d,0x73,0x5b,0x38,0x5d,0x2e,0x78,
+    0x79,0x7a,0x3b,0x0a,0x20,0x20,0x20,0x20,0x76,0x5f,0x73,0x75,0x6e,0x20,0x3d,0x20,
+    0x76,0x69,0x65,0x77,0x5f,0x70,0x61,0x72,0x61,0x6d,0x73,0x5b,0x31,0x31,0x5d,0x2e,
+    0x78,0x79,0x7a,0x3b,0x0a,0x20,0x20,0x20,0x20,0x76,0x5f,0x74,0x69,0x6d,0x65,0x20,
+    0x3d,0x20,0x76,0x69,0x65,0x77,0x5f,0x70,0x61,0x72,0x61,0x6d,0x73,0x5b,0x38,0x5d,
+    0x2e,0x77,0x3b,0x0a,0x7d,0x0a,0x0a,0x00,
+];
+/*
+    #version 300 es
+    precision mediump float;
+    precision highp int;
+
+    uniform highp vec4 shaft_params[1];
+    uniform highp vec4 shadow_params[4];
+    uniform highp sampler2D shaft_scene_shaft_scene_smp;
+    uniform highp sampler2D shadow_tint_shadow_tint_smp;
+    uniform highp sampler2DShadow shadow_map_shadow_smp;
+
+    in highp float v_time;
+    in highp vec4 v_point;
+    in highp vec3 v_camera;
+    layout(location = 0) out highp vec4 frag_color;
+    in highp vec3 v_sun;
+
+    highp float brightest(highp vec3 c)
+    {
+        return max(c.x, max(c.y, c.z));
+    }
+
+    highp float hash(inout highp vec3 p)
+    {
+        p = fract((p * 0.31830990314483642578125) + vec3(0.100000001490116119384765625));
+        p *= 17.0;
+        return fract(((p.x * p.y) * p.z) * ((p.x + p.y) + p.z));
+    }
+
+    highp float value_noise(highp vec3 p)
+    {
+        highp vec3 _69 = floor(p);
+        highp vec3 _72 = fract(p);
+        highp vec3 _82 = (_72 * _72) * (vec3(3.0) - (_72 * 2.0));
+        highp vec3 param = _69;
+        highp float _85 = hash(param);
+        highp vec3 param_1 = _69 + vec3(1.0, 0.0, 0.0);
+        highp float _92 = hash(param_1);
+        highp float _94 = _82.x;
+        highp vec3 param_2 = _69 + vec3(0.0, 1.0, 0.0);
+        highp float _100 = hash(param_2);
+        highp vec3 param_3 = _69 + vec3(1.0, 1.0, 0.0);
+        highp float _105 = hash(param_3);
+        highp float _110 = _82.y;
+        highp vec3 param_4 = _69 + vec3(0.0, 0.0, 1.0);
+        highp float _116 = hash(param_4);
+        highp vec3 param_5 = _69 + vec3(1.0, 0.0, 1.0);
+        highp float _121 = hash(param_5);
+        highp vec3 param_6 = _69 + vec3(0.0, 1.0, 1.0);
+        highp float _129 = hash(param_6);
+        highp vec3 param_7 = _69 + vec3(1.0);
+        highp float _134 = hash(param_7);
+        return mix(mix(mix(_85, _92, _94), mix(_100, _105, _94), _110), mix(mix(_116, _121, _94), mix(_129, _134, _94), _110), _82.z);
+    }
+
+    highp float dust(highp vec3 p)
+    {
+        highp vec3 _149 = p * 0.800000011920928955078125;
+        highp vec3 param = _149 + ((vec3(0.4000000059604644775390625, 0.1500000059604644775390625, 0.300000011920928955078125) * v_time) * 0.800000011920928955078125);
+        highp vec3 param_1 = (_149 * 2.2999999523162841796875) - (((vec3(0.300000011920928955078125, 0.4000000059604644775390625, 0.1500000059604644775390625) * v_time) * 0.800000011920928955078125) * 1.7000000476837158203125);
+        return mix(0.0, 2.0, smoothstep(0.25, 0.75, (value_noise(param) * 0.64999997615814208984375) + (value_noise(param_1) * 0.3499999940395355224609375)));
+    }
+
+    void main()
+    {
+        highp vec3 _204 = normalize((v_point.xyz / vec3(v_point.w)) - v_camera);
+        highp float _242 = min(texelFetch(shaft_scene_shaft_scene_smp, ivec2(gl_FragCoord.xy) * ivec2(2), 0).x, shaft_params[0].z) / shaft_params[0].w;
+        highp float _253 = fract(52.98291778564453125 * fract(dot(gl_FragCoord.xy, vec2(0.067110560834407806396484375, 0.005837149918079376220703125))));
+        highp vec3 light = vec3(0.0);
+        for (highp float i = 0.0; i < shaft_params[0].w; i += 1.0)
+        {
+            highp float _272 = (i + _253) * _242;
+            highp vec3 _286 = (floor((v_camera + (_204 * _272)) * 16.0) + vec3(0.5)) * vec3(0.0625);
+            highp vec4 _301 = mat4(shadow_params[0], shadow_params[1], shadow_params[2], shadow_params[3]) * vec4(_286, 1.0);
+            highp float _303 = _301.x;
+            bool _304 = _303 < 0.0;
+            bool _311;
+            if (!_304)
+            {
+                _311 = _303 > 1.0;
+            }
+            else
+            {
+                _311 = _304;
+            }
+            bool _318;
+            if (!_311)
+            {
+                _318 = _301.y < 0.0;
+            }
+            else
+            {
+                _318 = _311;
+            }
+            bool _325;
+            if (!_318)
+            {
+                _325 = _301.y > 1.0;
+            }
+            else
+            {
+                _325 = _318;
+            }
+            bool _332;
+            if (!_325)
+            {
+                _332 = _301.z > 1.0;
+            }
+            else
+            {
+                _332 = _325;
+            }
+            if (_332)
+            {
+                continue;
+            }
+            highp vec4 _344 = texture(shadow_tint_shadow_tint_smp, _301.xy);
+            highp float _346 = _301.z;
+            if (_346 < (_344.w + 0.001000000047497451305389404296875))
+            {
+                continue;
+            }
+            highp float _368 = _346 - 0.0005000000237487256526947021484375;
+            highp vec3 _377 = _344.xyz;
+            highp vec3 param = _377;
+            highp vec3 param_1 = _286;
+            light += (((mix(vec3(brightest(param)), _377, vec3(0.60000002384185791015625)) * texture(shadow_map_shadow_smp, vec3(vec3(_303, _301.y, _368).xy, _368))) * exp((-shaft_params[0].x) * _272)) * dust(param_1));
+        }
+        frag_color = vec4((((light * v_sun) * shaft_params[0].x) * _242) * shaft_params[0].y, 1.0);
+    }
+
+*/
+fs_shafts_source_glsl300es := u8.[
+    0x23,0x76,0x65,0x72,0x73,0x69,0x6f,0x6e,0x20,0x33,0x30,0x30,0x20,0x65,0x73,0x0a,
+    0x70,0x72,0x65,0x63,0x69,0x73,0x69,0x6f,0x6e,0x20,0x6d,0x65,0x64,0x69,0x75,0x6d,
+    0x70,0x20,0x66,0x6c,0x6f,0x61,0x74,0x3b,0x0a,0x70,0x72,0x65,0x63,0x69,0x73,0x69,
+    0x6f,0x6e,0x20,0x68,0x69,0x67,0x68,0x70,0x20,0x69,0x6e,0x74,0x3b,0x0a,0x0a,0x75,
+    0x6e,0x69,0x66,0x6f,0x72,0x6d,0x20,0x68,0x69,0x67,0x68,0x70,0x20,0x76,0x65,0x63,
+    0x34,0x20,0x73,0x68,0x61,0x66,0x74,0x5f,0x70,0x61,0x72,0x61,0x6d,0x73,0x5b,0x31,
+    0x5d,0x3b,0x0a,0x75,0x6e,0x69,0x66,0x6f,0x72,0x6d,0x20,0x68,0x69,0x67,0x68,0x70,
+    0x20,0x76,0x65,0x63,0x34,0x20,0x73,0x68,0x61,0x64,0x6f,0x77,0x5f,0x70,0x61,0x72,
+    0x61,0x6d,0x73,0x5b,0x34,0x5d,0x3b,0x0a,0x75,0x6e,0x69,0x66,0x6f,0x72,0x6d,0x20,
+    0x68,0x69,0x67,0x68,0x70,0x20,0x73,0x61,0x6d,0x70,0x6c,0x65,0x72,0x32,0x44,0x20,
+    0x73,0x68,0x61,0x66,0x74,0x5f,0x73,0x63,0x65,0x6e,0x65,0x5f,0x73,0x68,0x61,0x66,
+    0x74,0x5f,0x73,0x63,0x65,0x6e,0x65,0x5f,0x73,0x6d,0x70,0x3b,0x0a,0x75,0x6e,0x69,
+    0x66,0x6f,0x72,0x6d,0x20,0x68,0x69,0x67,0x68,0x70,0x20,0x73,0x61,0x6d,0x70,0x6c,
+    0x65,0x72,0x32,0x44,0x20,0x73,0x68,0x61,0x64,0x6f,0x77,0x5f,0x74,0x69,0x6e,0x74,
+    0x5f,0x73,0x68,0x61,0x64,0x6f,0x77,0x5f,0x74,0x69,0x6e,0x74,0x5f,0x73,0x6d,0x70,
+    0x3b,0x0a,0x75,0x6e,0x69,0x66,0x6f,0x72,0x6d,0x20,0x68,0x69,0x67,0x68,0x70,0x20,
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+];
 /*
     #version 300 es
     precision mediump float;
@@ -3760,14 +4792,16 @@ fs_bloom_up_source_glsl300es := u8.[
     uniform highp vec4 post_params[1];
     uniform highp sampler2D view_color_view_smp;
     uniform highp sampler2D bloom_bloom_view_smp;
+    uniform highp sampler2D shafts_bloom_view_smp;
 
     layout(location = 0) out highp vec4 frag_color;
 
     void main()
     {
         highp vec2 _31 = gl_FragCoord.xy / vec2(textureSize(view_color_view_smp, 0));
-        highp vec3 _73 = ((((texture(view_color_view_smp, _31).xyz + (texture(bloom_bloom_view_smp, _31).xyz * post_params[0].w)) * exp2(post_params[0].x)) - vec3(0.5)) * post_params[0].y) + vec3(0.5);
-        frag_color = vec4(clamp(mix(vec3(dot(_73, vec3(0.2125999927520751953125, 0.715200006961822509765625, 0.072200000286102294921875))), _73, vec3(post_params[0].z)), vec3(0.0), vec3(1.0)), 1.0);
+        highp vec2 _67 = vec2(textureSize(shafts_bloom_view_smp, 0));
+        highp vec3 _142 = (((((texture(view_color_view_smp, _31).xyz + (texture(bloom_bloom_view_smp, _31).xyz * post_params[0].w)) + ((((((texture(shafts_bloom_view_smp, _31).xyz * 2.0) + texture(shafts_bloom_view_smp, _31 + (vec2(1.0) / _67)).xyz) + texture(shafts_bloom_view_smp, _31 + (vec2(-1.0, 1.0) / _67)).xyz) + texture(shafts_bloom_view_smp, _31 + (vec2(1.0, -1.0) / _67)).xyz) + texture(shafts_bloom_view_smp, _31 + (vec2(-1.0) / _67)).xyz) * vec3(0.16666667163372039794921875))) * exp2(post_params[0].x)) - vec3(0.5)) * post_params[0].y) + vec3(0.5);
+        frag_color = vec4(clamp(mix(vec3(dot(_142, vec3(0.2125999927520751953125, 0.715200006961822509765625, 0.072200000286102294921875))), _142, vec3(post_params[0].z)), vec3(0.0), vec3(1.0)), 1.0);
     }
 
 */
@@ -3783,41 +4817,71 @@ fs_post_source_glsl300es := u8.[
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+    0x2c,0x20,0x76,0x65,0x63,0x33,0x28,0x31,0x2e,0x30,0x29,0x29,0x2c,0x20,0x31,0x2e,
+    0x30,0x29,0x3b,0x0a,0x7d,0x0a,0x0a,0x00,
 ];
 /*
     #version 300 es
@@ -4853,7 +5917,7 @@ fs_trile_shadow_source_glsl300es := u8.[
             discard;
         }
         highp vec4 _51 = texelFetch(palette_palette_smp, ivec2(_15, 0), 0);
-        frag_color = vec4(_51.xyz / vec3(max(max(_51.x, max(_51.y, _51.z)), 0.001000000047497451305389404296875)), 1.0);
+        frag_color = vec4(_51.xyz / vec3(max(max(_51.x, max(_51.y, _51.z)), 0.001000000047497451305389404296875)), gl_FragCoord.z);
     }
 
 */
@@ -4904,8 +5968,8 @@ fs_trile_glass_shadow_source_glsl300es := u8.[
     0x5f,0x35,0x31,0x2e,0x79,0x2c,0x20,0x5f,0x35,0x31,0x2e,0x7a,0x29,0x29,0x2c,0x20,
     0x30,0x2e,0x30,0x30,0x31,0x30,0x30,0x30,0x30,0x30,0x30,0x30,0x34,0x37,0x34,0x39,
     0x37,0x34,0x35,0x31,0x33,0x30,0x35,0x33,0x38,0x39,0x34,0x30,0x34,0x32,0x39,0x36,
-    0x38,0x37,0x35,0x29,0x29,0x2c,0x20,0x31,0x2e,0x30,0x29,0x3b,0x0a,0x7d,0x0a,0x0a,
-    0x00,
+    0x38,0x37,0x35,0x29,0x29,0x2c,0x20,0x67,0x6c,0x5f,0x46,0x72,0x61,0x67,0x43,0x6f,
+    0x6f,0x72,0x64,0x2e,0x7a,0x29,0x3b,0x0a,0x7d,0x0a,0x0a,0x00,
 ];
 /*
     #version 300 es
@@ -6934,6 +7998,608 @@ fs_bloom_up_source_metal_macos := u8.[
     0x20,0x31,0x2e,0x30,0x29,0x3b,0x0a,0x20,0x20,0x20,0x20,0x72,0x65,0x74,0x75,0x72,
     0x6e,0x20,0x6f,0x75,0x74,0x3b,0x0a,0x7d,0x0a,0x0a,0x00,
 ];
+/*
+    #pragma clang diagnostic ignored "-Wmissing-prototypes"
+
+    #include <metal_stdlib>
+    #include <simd/simd.h>
+
+    using namespace metal;
+
+    struct view_params
+    {
+        float4x4 view_proj;
+        float4x4 inv_view_proj;
+        float4 camera;
+        float4 clip;
+        float4 sun_direction;
+        float4 sun_color;
+        float4 shade_color;
+    };
+
+    struct main0_out
+    {
+        float4 v_point [[user(locn0)]];
+        float3 v_camera [[user(locn1)]];
+        float3 v_sun [[user(locn2)]];
+        float v_time [[user(locn3)]];
+        float4 gl_Position [[position]];
+    };
+
+    static inline __attribute__((always_inline))
+    float2 fullscreen_position(thread const int& vertex_index)
+    {
+        return (float2(float((vertex_index << 1) & 2), float(vertex_index & 2)) * 2.0) - float2(1.0);
+    }
+
+    vertex main0_out main0(constant view_params& _57 [[buffer(0)]], uint gl_VertexIndex [[vertex_id]])
+    {
+        main0_out out = {};
+        int param = int(gl_VertexIndex);
+        float2 _37 = fullscreen_position(param);
+        float _48 = _37.x;
+        out.gl_Position = float4(_48, _37.y, 0.0, 1.0);
+        out.v_point = _57.inv_view_proj * float4(_48, _37.y, 0.5, 1.0);
+        out.v_camera = _57.camera.xyz;
+        out.v_sun = _57.sun_color.xyz;
+        out.v_time = _57.camera.w;
+        return out;
+    }
+
+*/
+vs_shafts_source_metal_macos := u8.[
+    0x23,0x70,0x72,0x61,0x67,0x6d,0x61,0x20,0x63,0x6c,0x61,0x6e,0x67,0x20,0x64,0x69,
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+];
+/*
+    #pragma clang diagnostic ignored "-Wmissing-prototypes"
+
+    #include <metal_stdlib>
+    #include <simd/simd.h>
+
+    using namespace metal;
+
+    struct shaft_params
+    {
+        float density;
+        float amount;
+        float max_distance;
+        float steps;
+    };
+
+    struct shadow_params
+    {
+        float4x4 shadow_uv;
+    };
+
+    struct main0_out
+    {
+        float4 frag_color [[color(0)]];
+    };
+
+    struct main0_in
+    {
+        float4 v_point [[user(locn0)]];
+        float3 v_camera [[user(locn1)]];
+        float3 v_sun [[user(locn2)]];
+        float v_time [[user(locn3)]];
+    };
+
+    static inline __attribute__((always_inline))
+    float brightest(thread const float3& c)
+    {
+        return fast::max(c.x, fast::max(c.y, c.z));
+    }
+
+    static inline __attribute__((always_inline))
+    float hash(thread float3& p)
+    {
+        p = fract((p * 0.31830990314483642578125) + float3(0.100000001490116119384765625));
+        p *= 17.0;
+        return fract(((p.x * p.y) * p.z) * ((p.x + p.y) + p.z));
+    }
+
+    static inline __attribute__((always_inline))
+    float value_noise(thread const float3& p)
+    {
+        float3 _69 = floor(p);
+        float3 _72 = fract(p);
+        float3 _82 = (_72 * _72) * (float3(3.0) - (_72 * 2.0));
+        float3 param = _69;
+        float _85 = hash(param);
+        float3 param_1 = _69 + float3(1.0, 0.0, 0.0);
+        float _92 = hash(param_1);
+        float _94 = _82.x;
+        float3 param_2 = _69 + float3(0.0, 1.0, 0.0);
+        float _100 = hash(param_2);
+        float3 param_3 = _69 + float3(1.0, 1.0, 0.0);
+        float _105 = hash(param_3);
+        float _110 = _82.y;
+        float3 param_4 = _69 + float3(0.0, 0.0, 1.0);
+        float _116 = hash(param_4);
+        float3 param_5 = _69 + float3(1.0, 0.0, 1.0);
+        float _121 = hash(param_5);
+        float3 param_6 = _69 + float3(0.0, 1.0, 1.0);
+        float _129 = hash(param_6);
+        float3 param_7 = _69 + float3(1.0);
+        float _134 = hash(param_7);
+        return mix(mix(mix(_85, _92, _94), mix(_100, _105, _94), _110), mix(mix(_116, _121, _94), mix(_129, _134, _94), _110), _82.z);
+    }
+
+    static inline __attribute__((always_inline))
+    float dust(thread const float3& p, thread float& v_time)
+    {
+        float3 _149 = p * 0.800000011920928955078125;
+        float3 param = _149 + ((float3(0.4000000059604644775390625, 0.1500000059604644775390625, 0.300000011920928955078125) * v_time) * 0.800000011920928955078125);
+        float3 param_1 = (_149 * 2.2999999523162841796875) - (((float3(0.300000011920928955078125, 0.4000000059604644775390625, 0.1500000059604644775390625) * v_time) * 0.800000011920928955078125) * 1.7000000476837158203125);
+        return mix(0.0, 2.0, smoothstep(0.25, 0.75, (value_noise(param) * 0.64999997615814208984375) + (value_noise(param_1) * 0.3499999940395355224609375)));
+    }
+
+    fragment main0_out main0(main0_in in [[stage_in]], constant shaft_params& _232 [[buffer(0)]], constant shadow_params& _292 [[buffer(1)]], texture2d<float> shaft_scene [[texture(0)]], texture2d<float> shadow_tint [[texture(1)]], depth2d<float> shadow_map [[texture(2)]], sampler shaft_scene_smp [[sampler(0)]], sampler shadow_tint_smp [[sampler(1)]], sampler shadow_smp [[sampler(2)]], float4 gl_FragCoord [[position]])
+    {
+        main0_out out = {};
+        float3 _204 = fast::normalize((in.v_point.xyz / float3(in.v_point.w)) - in.v_camera);
+        float _242 = fast::min(shaft_scene.read(uint2((int2(gl_FragCoord.xy) * int2(2))), 0).x, _232.max_distance) / _232.steps;
+        float _253 = fract(52.98291778564453125 * fract(dot(gl_FragCoord.xy, float2(0.067110560834407806396484375, 0.005837149918079376220703125))));
+        float3 light = float3(0.0);
+        for (float i = 0.0; i < _232.steps; i += 1.0)
+        {
+            float _272 = (i + _253) * _242;
+            float3 _286 = (floor((in.v_camera + (_204 * _272)) * 16.0) + float3(0.5)) * float3(0.0625);
+            float4 _301 = _292.shadow_uv * float4(_286, 1.0);
+            float _303 = _301.x;
+            bool _304 = _303 < 0.0;
+            bool _311;
+            if (!_304)
+            {
+                _311 = _303 > 1.0;
+            }
+            else
+            {
+                _311 = _304;
+            }
+            bool _318;
+            if (!_311)
+            {
+                _318 = _301.y < 0.0;
+            }
+            else
+            {
+                _318 = _311;
+            }
+            bool _325;
+            if (!_318)
+            {
+                _325 = _301.y > 1.0;
+            }
+            else
+            {
+                _325 = _318;
+            }
+            bool _332;
+            if (!_325)
+            {
+                _332 = _301.z > 1.0;
+            }
+            else
+            {
+                _332 = _325;
+            }
+            if (_332)
+            {
+                continue;
+            }
+            float4 _344 = shadow_tint.sample(shadow_tint_smp, _301.xy);
+            float _346 = _301.z;
+            if (_346 < (_344.w + 0.001000000047497451305389404296875))
+            {
+                continue;
+            }
+            float _368 = _346 - 0.0005000000237487256526947021484375;
+            float3 _377 = _344.xyz;
+            float3 param = _377;
+            float3 param_1 = _286;
+            light += (((mix(float3(brightest(param)), _377, float3(0.60000002384185791015625)) * shadow_map.sample_compare(shadow_smp, float3(_303, _301.y, _368).xy, _368)) * exp((-_232.density) * _272)) * dust(param_1, in.v_time));
+        }
+        out.frag_color = float4((((light * in.v_sun) * _232.density) * _242) * _232.amount, 1.0);
+        return out;
+    }
+
+*/
+fs_shafts_source_metal_macos := u8.[
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+];
 /*
     #include <metal_stdlib>
     #include <simd/simd.h>
@@ -6953,12 +8619,13 @@ fs_bloom_up_source_metal_macos := u8.[
         float4 frag_color [[color(0)]];
     };
 
-    fragment main0_out main0(constant post_params& _51 [[buffer(0)]], texture2d<float> view_color [[texture(0)]], texture2d<float> bloom [[texture(1)]], sampler view_smp [[sampler(0)]], sampler bloom_view_smp [[sampler(1)]], float4 gl_FragCoord [[position]])
+    fragment main0_out main0(constant post_params& _51 [[buffer(0)]], texture2d<float> view_color [[texture(0)]], texture2d<float> bloom [[texture(1)]], texture2d<float> shafts [[texture(2)]], sampler view_smp [[sampler(0)]], sampler bloom_view_smp [[sampler(1)]], float4 gl_FragCoord [[position]])
     {
         main0_out out = {};
         float2 _31 = gl_FragCoord.xy / float2(int2(view_color.get_width(), view_color.get_height()));
-        float3 _73 = ((((view_color.sample(view_smp, _31).xyz + (bloom.sample(bloom_view_smp, _31).xyz * _51.bloom_amount)) * exp2(_51.exposure)) - float3(0.5)) * _51.contrast) + float3(0.5);
-        out.frag_color = float4(fast::clamp(mix(float3(dot(_73, float3(0.2125999927520751953125, 0.715200006961822509765625, 0.072200000286102294921875))), _73, float3(_51.saturation)), float3(0.0), float3(1.0)), 1.0);
+        float2 _67 = float2(int2(shafts.get_width(), shafts.get_height()));
+        float3 _142 = (((((view_color.sample(view_smp, _31).xyz + (bloom.sample(bloom_view_smp, _31).xyz * _51.bloom_amount)) + ((((((shafts.sample(bloom_view_smp, _31).xyz * 2.0) + shafts.sample(bloom_view_smp, (_31 + (float2(1.0) / _67))).xyz) + shafts.sample(bloom_view_smp, (_31 + (float2(-1.0, 1.0) / _67))).xyz) + shafts.sample(bloom_view_smp, (_31 + (float2(1.0, -1.0) / _67))).xyz) + shafts.sample(bloom_view_smp, (_31 + (float2(-1.0) / _67))).xyz) * float3(0.16666667163372039794921875))) * exp2(_51.exposure)) - float3(0.5)) * _51.contrast) + float3(0.5);
+        out.frag_color = float4(fast::clamp(mix(float3(dot(_142, float3(0.2125999927520751953125, 0.715200006961822509765625, 0.072200000286102294921875))), _142, float3(_51.saturation)), float3(0.0), float3(1.0)), 1.0);
         return out;
     }
 
@@ -6988,48 +8655,78 @@ fs_post_source_metal_macos := u8.[
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 ];
 /*
     #include <metal_stdlib>
@@ -8319,7 +10016,7 @@ fs_trile_shadow_source_metal_macos := u8.[
         float v_swatch [[user(locn4)]];
     };
 
-    fragment main0_out main0(main0_in in [[stage_in]], texture2d<float> palette [[texture(0)]], sampler palette_smp [[sampler(0)]])
+    fragment main0_out main0(main0_in in [[stage_in]], texture2d<float> palette [[texture(0)]], sampler palette_smp [[sampler(0)]], float4 gl_FragCoord [[position]])
     {
         main0_out out = {};
         int _15 = int(in.v_swatch + 0.5);
@@ -8328,7 +10025,7 @@ fs_trile_shadow_source_metal_macos := u8.[
             discard_fragment();
         }
         float4 _51 = palette.read(uint2(int2(_15, 0)), 0);
-        out.frag_color = float4(_51.xyz / float3(fast::max(fast::max(_51.x, fast::max(_51.y, _51.z)), 0.001000000047497451305389404296875)), 1.0);
+        out.frag_color = float4(_51.xyz / float3(fast::max(fast::max(_51.x, fast::max(_51.y, _51.z)), 0.001000000047497451305389404296875)), gl_FragCoord.z);
         return out;
     }
 
@@ -8353,31 +10050,34 @@ fs_trile_glass_shadow_source_metal_macos := u8.[
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+    0x20,0x20,0x20,0x64,0x69,0x73,0x63,0x61,0x72,0x64,0x5f,0x66,0x72,0x61,0x67,0x6d,
+    0x65,0x6e,0x74,0x28,0x29,0x3b,0x0a,0x20,0x20,0x20,0x20,0x7d,0x0a,0x20,0x20,0x20,
+    0x20,0x66,0x6c,0x6f,0x61,0x74,0x34,0x20,0x5f,0x35,0x31,0x20,0x3d,0x20,0x70,0x61,
+    0x6c,0x65,0x74,0x74,0x65,0x2e,0x72,0x65,0x61,0x64,0x28,0x75,0x69,0x6e,0x74,0x32,
+    0x28,0x69,0x6e,0x74,0x32,0x28,0x5f,0x31,0x35,0x2c,0x20,0x30,0x29,0x29,0x2c,0x20,
+    0x30,0x29,0x3b,0x0a,0x20,0x20,0x20,0x20,0x6f,0x75,0x74,0x2e,0x66,0x72,0x61,0x67,
+    0x5f,0x63,0x6f,0x6c,0x6f,0x72,0x20,0x3d,0x20,0x66,0x6c,0x6f,0x61,0x74,0x34,0x28,
+    0x5f,0x35,0x31,0x2e,0x78,0x79,0x7a,0x20,0x2f,0x20,0x66,0x6c,0x6f,0x61,0x74,0x33,
+    0x28,0x66,0x61,0x73,0x74,0x3a,0x3a,0x6d,0x61,0x78,0x28,0x66,0x61,0x73,0x74,0x3a,
+    0x3a,0x6d,0x61,0x78,0x28,0x5f,0x35,0x31,0x2e,0x78,0x2c,0x20,0x66,0x61,0x73,0x74,
+    0x3a,0x3a,0x6d,0x61,0x78,0x28,0x5f,0x35,0x31,0x2e,0x79,0x2c,0x20,0x5f,0x35,0x31,
+    0x2e,0x7a,0x29,0x29,0x2c,0x20,0x30,0x2e,0x30,0x30,0x31,0x30,0x30,0x30,0x30,0x30,
+    0x30,0x30,0x34,0x37,0x34,0x39,0x37,0x34,0x35,0x31,0x33,0x30,0x35,0x33,0x38,0x39,
+    0x34,0x30,0x34,0x32,0x39,0x36,0x38,0x37,0x35,0x29,0x29,0x2c,0x20,0x67,0x6c,0x5f,
+    0x46,0x72,0x61,0x67,0x43,0x6f,0x6f,0x72,0x64,0x2e,0x7a,0x29,0x3b,0x0a,0x20,0x20,
+    0x20,0x20,0x72,0x65,0x74,0x75,0x72,0x6e,0x20,0x6f,0x75,0x74,0x3b,0x0a,0x7d,0x0a,
+    0x0a,0x00,
 ];
 /*
     #pragma clang diagnostic ignored "-Wmissing-prototypes"
@@ -11125,6 +12825,10 @@ post_shader_desc :: (backend: sg_backend) -> sg_shader_desc {
         desc.images[1].multisampled = false;
         desc.images[1].image_type = ._2D;
         desc.images[1].sample_type = .FLOAT;
+        desc.images[2].stage = .FRAGMENT;
+        desc.images[2].multisampled = false;
+        desc.images[2].image_type = ._2D;
+        desc.images[2].sample_type = .FLOAT;
         desc.samplers[0].stage = .FRAGMENT;
         desc.samplers[0].sampler_type = .FILTERING;
         desc.samplers[1].stage = .FRAGMENT;
@@ -11137,6 +12841,10 @@ post_shader_desc :: (backend: sg_backend) -> sg_shader_desc {
         desc.image_sampler_pairs[1].image_slot = 1;
         desc.image_sampler_pairs[1].sampler_slot = 1;
         desc.image_sampler_pairs[1].glsl_name = "bloom_bloom_view_smp";
+        desc.image_sampler_pairs[2].stage = .FRAGMENT;
+        desc.image_sampler_pairs[2].image_slot = 2;
+        desc.image_sampler_pairs[2].sampler_slot = 1;
+        desc.image_sampler_pairs[2].glsl_name = "shafts_bloom_view_smp";
     case .GLES3;
         desc.vertex_func.source = xx *vs_fullscreen_source_glsl300es;
         desc.vertex_func.entry = "main";
@@ -11156,6 +12864,10 @@ post_shader_desc :: (backend: sg_backend) -> sg_shader_desc {
         desc.images[1].multisampled = false;
         desc.images[1].image_type = ._2D;
         desc.images[1].sample_type = .FLOAT;
+        desc.images[2].stage = .FRAGMENT;
+        desc.images[2].multisampled = false;
+        desc.images[2].image_type = ._2D;
+        desc.images[2].sample_type = .FLOAT;
         desc.samplers[0].stage = .FRAGMENT;
         desc.samplers[0].sampler_type = .FILTERING;
         desc.samplers[1].stage = .FRAGMENT;
@@ -11168,6 +12880,10 @@ post_shader_desc :: (backend: sg_backend) -> sg_shader_desc {
         desc.image_sampler_pairs[1].image_slot = 1;
         desc.image_sampler_pairs[1].sampler_slot = 1;
         desc.image_sampler_pairs[1].glsl_name = "bloom_bloom_view_smp";
+        desc.image_sampler_pairs[2].stage = .FRAGMENT;
+        desc.image_sampler_pairs[2].image_slot = 2;
+        desc.image_sampler_pairs[2].sampler_slot = 1;
+        desc.image_sampler_pairs[2].glsl_name = "shafts_bloom_view_smp";
     case .METAL_MACOS;
         desc.vertex_func.source = xx *vs_fullscreen_source_metal_macos;
         desc.vertex_func.entry = "main0";
@@ -11187,6 +12903,11 @@ post_shader_desc :: (backend: sg_backend) -> sg_shader_desc {
         desc.images[1].image_type = ._2D;
         desc.images[1].sample_type = .FLOAT;
         desc.images[1].msl_texture_n = 1;
+        desc.images[2].stage = .FRAGMENT;
+        desc.images[2].multisampled = false;
+        desc.images[2].image_type = ._2D;
+        desc.images[2].sample_type = .FLOAT;
+        desc.images[2].msl_texture_n = 2;
         desc.samplers[0].stage = .FRAGMENT;
         desc.samplers[0].sampler_type = .FILTERING;
         desc.samplers[0].msl_sampler_n = 0;
@@ -11199,6 +12920,172 @@ post_shader_desc :: (backend: sg_backend) -> sg_shader_desc {
         desc.image_sampler_pairs[1].stage = .FRAGMENT;
         desc.image_sampler_pairs[1].image_slot = 1;
         desc.image_sampler_pairs[1].sampler_slot = 1;
+        desc.image_sampler_pairs[2].stage = .FRAGMENT;
+        desc.image_sampler_pairs[2].image_slot = 2;
+        desc.image_sampler_pairs[2].sampler_slot = 1;
+    }
+    return desc;
+}
+shafts_shader_desc :: (backend: sg_backend) -> sg_shader_desc {
+    desc: sg_shader_desc;
+    desc.label = "shafts_shader";
+    if backend == {
+    case .GLCORE;
+        desc.vertex_func.source = xx *vs_shafts_source_glsl430;
+        desc.vertex_func.entry = "main";
+        desc.fragment_func.source = xx *fs_shafts_source_glsl430;
+        desc.fragment_func.entry = "main";
+        desc.uniform_blocks[0].stage = .VERTEX;
+        desc.uniform_blocks[0].layout = .STD140;
+        desc.uniform_blocks[0].size = 208;
+        desc.uniform_blocks[0].glsl_uniforms[0].type = .FLOAT4;
+        desc.uniform_blocks[0].glsl_uniforms[0].array_count = 13;
+        desc.uniform_blocks[0].glsl_uniforms[0].glsl_name = "view_params";
+        desc.uniform_blocks[1].stage = .FRAGMENT;
+        desc.uniform_blocks[1].layout = .STD140;
+        desc.uniform_blocks[1].size = 16;
+        desc.uniform_blocks[1].glsl_uniforms[0].type = .FLOAT4;
+        desc.uniform_blocks[1].glsl_uniforms[0].array_count = 1;
+        desc.uniform_blocks[1].glsl_uniforms[0].glsl_name = "shaft_params";
+        desc.uniform_blocks[3].stage = .FRAGMENT;
+        desc.uniform_blocks[3].layout = .STD140;
+        desc.uniform_blocks[3].size = 64;
+        desc.uniform_blocks[3].glsl_uniforms[0].type = .FLOAT4;
+        desc.uniform_blocks[3].glsl_uniforms[0].array_count = 4;
+        desc.uniform_blocks[3].glsl_uniforms[0].glsl_name = "shadow_params";
+        desc.images[0].stage = .FRAGMENT;
+        desc.images[0].multisampled = false;
+        desc.images[0].image_type = ._2D;
+        desc.images[0].sample_type = .UNFILTERABLE_FLOAT;
+        desc.images[7].stage = .FRAGMENT;
+        desc.images[7].multisampled = false;
+        desc.images[7].image_type = ._2D;
+        desc.images[7].sample_type = .DEPTH;
+        desc.images[8].stage = .FRAGMENT;
+        desc.images[8].multisampled = false;
+        desc.images[8].image_type = ._2D;
+        desc.images[8].sample_type = .FLOAT;
+        desc.samplers[0].stage = .FRAGMENT;
+        desc.samplers[0].sampler_type = .NONFILTERING;
+        desc.samplers[7].stage = .FRAGMENT;
+        desc.samplers[7].sampler_type = .COMPARISON;
+        desc.samplers[8].stage = .FRAGMENT;
+        desc.samplers[8].sampler_type = .FILTERING;
+        desc.image_sampler_pairs[0].stage = .FRAGMENT;
+        desc.image_sampler_pairs[0].image_slot = 0;
+        desc.image_sampler_pairs[0].sampler_slot = 0;
+        desc.image_sampler_pairs[0].glsl_name = "shaft_scene_shaft_scene_smp";
+        desc.image_sampler_pairs[1].stage = .FRAGMENT;
+        desc.image_sampler_pairs[1].image_slot = 8;
+        desc.image_sampler_pairs[1].sampler_slot = 8;
+        desc.image_sampler_pairs[1].glsl_name = "shadow_tint_shadow_tint_smp";
+        desc.image_sampler_pairs[2].stage = .FRAGMENT;
+        desc.image_sampler_pairs[2].image_slot = 7;
+        desc.image_sampler_pairs[2].sampler_slot = 7;
+        desc.image_sampler_pairs[2].glsl_name = "shadow_map_shadow_smp";
+    case .GLES3;
+        desc.vertex_func.source = xx *vs_shafts_source_glsl300es;
+        desc.vertex_func.entry = "main";
+        desc.fragment_func.source = xx *fs_shafts_source_glsl300es;
+        desc.fragment_func.entry = "main";
+        desc.uniform_blocks[0].stage = .VERTEX;
+        desc.uniform_blocks[0].layout = .STD140;
+        desc.uniform_blocks[0].size = 208;
+        desc.uniform_blocks[0].glsl_uniforms[0].type = .FLOAT4;
+        desc.uniform_blocks[0].glsl_uniforms[0].array_count = 13;
+        desc.uniform_blocks[0].glsl_uniforms[0].glsl_name = "view_params";
+        desc.uniform_blocks[1].stage = .FRAGMENT;
+        desc.uniform_blocks[1].layout = .STD140;
+        desc.uniform_blocks[1].size = 16;
+        desc.uniform_blocks[1].glsl_uniforms[0].type = .FLOAT4;
+        desc.uniform_blocks[1].glsl_uniforms[0].array_count = 1;
+        desc.uniform_blocks[1].glsl_uniforms[0].glsl_name = "shaft_params";
+        desc.uniform_blocks[3].stage = .FRAGMENT;
+        desc.uniform_blocks[3].layout = .STD140;
+        desc.uniform_blocks[3].size = 64;
+        desc.uniform_blocks[3].glsl_uniforms[0].type = .FLOAT4;
+        desc.uniform_blocks[3].glsl_uniforms[0].array_count = 4;
+        desc.uniform_blocks[3].glsl_uniforms[0].glsl_name = "shadow_params";
+        desc.images[0].stage = .FRAGMENT;
+        desc.images[0].multisampled = false;
+        desc.images[0].image_type = ._2D;
+        desc.images[0].sample_type = .UNFILTERABLE_FLOAT;
+        desc.images[7].stage = .FRAGMENT;
+        desc.images[7].multisampled = false;
+        desc.images[7].image_type = ._2D;
+        desc.images[7].sample_type = .DEPTH;
+        desc.images[8].stage = .FRAGMENT;
+        desc.images[8].multisampled = false;
+        desc.images[8].image_type = ._2D;
+        desc.images[8].sample_type = .FLOAT;
+        desc.samplers[0].stage = .FRAGMENT;
+        desc.samplers[0].sampler_type = .NONFILTERING;
+        desc.samplers[7].stage = .FRAGMENT;
+        desc.samplers[7].sampler_type = .COMPARISON;
+        desc.samplers[8].stage = .FRAGMENT;
+        desc.samplers[8].sampler_type = .FILTERING;
+        desc.image_sampler_pairs[0].stage = .FRAGMENT;
+        desc.image_sampler_pairs[0].image_slot = 0;
+        desc.image_sampler_pairs[0].sampler_slot = 0;
+        desc.image_sampler_pairs[0].glsl_name = "shaft_scene_shaft_scene_smp";
+        desc.image_sampler_pairs[1].stage = .FRAGMENT;
+        desc.image_sampler_pairs[1].image_slot = 8;
+        desc.image_sampler_pairs[1].sampler_slot = 8;
+        desc.image_sampler_pairs[1].glsl_name = "shadow_tint_shadow_tint_smp";
+        desc.image_sampler_pairs[2].stage = .FRAGMENT;
+        desc.image_sampler_pairs[2].image_slot = 7;
+        desc.image_sampler_pairs[2].sampler_slot = 7;
+        desc.image_sampler_pairs[2].glsl_name = "shadow_map_shadow_smp";
+    case .METAL_MACOS;
+        desc.vertex_func.source = xx *vs_shafts_source_metal_macos;
+        desc.vertex_func.entry = "main0";
+        desc.fragment_func.source = xx *fs_shafts_source_metal_macos;
+        desc.fragment_func.entry = "main0";
+        desc.uniform_blocks[0].stage = .VERTEX;
+        desc.uniform_blocks[0].layout = .STD140;
+        desc.uniform_blocks[0].size = 208;
+        desc.uniform_blocks[0].msl_buffer_n = 0;
+        desc.uniform_blocks[1].stage = .FRAGMENT;
+        desc.uniform_blocks[1].layout = .STD140;
+        desc.uniform_blocks[1].size = 16;
+        desc.uniform_blocks[1].msl_buffer_n = 0;
+        desc.uniform_blocks[3].stage = .FRAGMENT;
+        desc.uniform_blocks[3].layout = .STD140;
+        desc.uniform_blocks[3].size = 64;
+        desc.uniform_blocks[3].msl_buffer_n = 1;
+        desc.images[0].stage = .FRAGMENT;
+        desc.images[0].multisampled = false;
+        desc.images[0].image_type = ._2D;
+        desc.images[0].sample_type = .UNFILTERABLE_FLOAT;
+        desc.images[0].msl_texture_n = 0;
+        desc.images[7].stage = .FRAGMENT;
+        desc.images[7].multisampled = false;
+        desc.images[7].image_type = ._2D;
+        desc.images[7].sample_type = .DEPTH;
+        desc.images[7].msl_texture_n = 2;
+        desc.images[8].stage = .FRAGMENT;
+        desc.images[8].multisampled = false;
+        desc.images[8].image_type = ._2D;
+        desc.images[8].sample_type = .FLOAT;
+        desc.images[8].msl_texture_n = 1;
+        desc.samplers[0].stage = .FRAGMENT;
+        desc.samplers[0].sampler_type = .NONFILTERING;
+        desc.samplers[0].msl_sampler_n = 0;
+        desc.samplers[7].stage = .FRAGMENT;
+        desc.samplers[7].sampler_type = .COMPARISON;
+        desc.samplers[7].msl_sampler_n = 2;
+        desc.samplers[8].stage = .FRAGMENT;
+        desc.samplers[8].sampler_type = .FILTERING;
+        desc.samplers[8].msl_sampler_n = 1;
+        desc.image_sampler_pairs[0].stage = .FRAGMENT;
+        desc.image_sampler_pairs[0].image_slot = 0;
+        desc.image_sampler_pairs[0].sampler_slot = 0;
+        desc.image_sampler_pairs[1].stage = .FRAGMENT;
+        desc.image_sampler_pairs[1].image_slot = 8;
+        desc.image_sampler_pairs[1].sampler_slot = 8;
+        desc.image_sampler_pairs[2].stage = .FRAGMENT;
+        desc.image_sampler_pairs[2].image_slot = 7;
+        desc.image_sampler_pairs[2].sampler_slot = 7;
     }
     return desc;
 }
diff --git a/src/renderer_sokol/shaders/post.glsl b/src/renderer_sokol/shaders/post.glsl
index e3ba8c9..107597b 100644
--- a/src/renderer_sokol/shaders/post.glsl
+++ b/src/renderer_sokol/shaders/post.glsl
@@ -60,6 +60,101 @@ void main() {
 }
 @end
 
+// Sunlight that came through glass, scattered toward the camera by the air between
+// it and the first opaque surface. Half resolution.
+@vs vs_shafts
+@include_block view
+@include_block fullscreen
+
+out vec4 v_point;
+out vec3 v_camera;
+out vec3 v_sun;
+out float v_time;
+
+void main() {
+    vec2 p = fullscreen_position(gl_VertexIndex);
+    gl_Position = vec4(p, 0.0, 1.0);
+    v_point  = inv_view_proj * vec4(p, 0.5, 1.0);
+    v_camera = camera.xyz;
+    v_sun    = sun_color.rgb;
+    v_time   = camera.w;
+}
+@end
+
+@fs fs_shafts
+@include_block shadow
+layout(binding=1) uniform shaft_params {
+    float density;   // how much light scatters per unit, and how fast it fades
+    float amount;
+    float max_distance;
+    float steps;
+};
+layout(binding=0) uniform texture2D shaft_scene;
+layout(binding=0) uniform sampler shaft_scene_smp;
+@image_sample_type shaft_scene unfilterable_float
+@sampler_type shaft_scene_smp nonfiltering
+
+in vec4 v_point;
+in vec3 v_camera;
+in vec3 v_sun;
+in float v_time;
+out vec4 frag_color;
+
+const vec3  SHAFT_DRIFT   = vec3(0.4, 0.15, 0.3);    // how the air moves, units per second
+const float SHAFT_SCALE   = 0.8;                      // size of the dusty patches, inverse units
+const float SHAFT_SHIMMER = 1.0;                      // how much the dust thins and thickens the light
+const float SHAFT_TINT    = 0.6;                      // how much of the glass colour the shafts keep
+
+float hash(vec3 p) {
+    p = fract(p * 0.3183099 + 0.1);
+    p *= 17.0;
+    return fract(p.x * p.y * p.z * (p.x + p.y + p.z));
+}
+
+float value_noise(vec3 p) {
+    vec3 i = floor(p);
+    vec3 f = fract(p);
+    f = f * f * (3.0 - 2.0 * f);
+    return mix(mix(mix(hash(i),                  hash(i + vec3(1, 0, 0)), f.x),
+                   mix(hash(i + vec3(0, 1, 0)),  hash(i + vec3(1, 1, 0)), f.x), f.y),
+               mix(mix(hash(i + vec3(0, 0, 1)),  hash(i + vec3(1, 0, 1)), f.x),
+                   mix(hash(i + vec3(0, 1, 1)),  hash(i + vec3(1, 1, 1)), f.x), f.y), f.z);
+}
+
+// Two layers drifting at different speeds, so the dust churns instead of sliding.
+float dust(vec3 p) {
+    vec3 q = p * SHAFT_SCALE;
+    float n = value_noise(q + SHAFT_DRIFT * v_time * SHAFT_SCALE) * 0.65
+            + value_noise(q * 2.3 - SHAFT_DRIFT.zxy * v_time * SHAFT_SCALE * 1.7) * 0.35;
+    // Sharpened, so the patches read as clear gaps and thick wisps rather than a soft wobble.
+    n = smoothstep(0.25, 0.75, n);
+    return mix(1.0 - SHAFT_SHIMMER, 1.0 + SHAFT_SHIMMER, n);
+}
+
+void main() {
+    vec3 dir = normalize(v_point.xyz / v_point.w - v_camera);
+    float len = min(texelFetch(sampler2D(shaft_scene, shaft_scene_smp), ivec2(gl_FragCoord.xy) * 2, 0).r, max_distance);
+    float step = len / steps;
+    // Interleaved gradient noise spreads the step banding into a fine dither.
+    float jitter = fract(52.9829189 * fract(dot(gl_FragCoord.xy, vec2(0.06711056, 0.00583715))));
+
+    vec3 light = vec3(0.0);
+    for (float i = 0.0; i < steps; i += 1.0) {
+        float t = (i + jitter) * step;
+        // Snapped to the trixel grid, so the shafts are blocky like the patches they make.
+        vec3 p = (floor((v_camera + dir * t) * 16.0) + 0.5) / 16.0;
+        vec4 s = shadow_uv * vec4(p, 1.0);
+        if (s.x < 0.0 || s.x > 1.0 || s.y < 0.0 || s.y > 1.0 || s.z > 1.0) continue;
+        vec4 tint = texture(sampler2D(shadow_tint, shadow_tint_smp), s.xy);
+        if (s.z < tint.a + 0.001) continue;
+        float visible = texture(sampler2DShadow(shadow_map, shadow_smp), vec3(s.xy, s.z - 0.0005));
+        vec3 color = mix(vec3(brightest(tint.rgb)), tint.rgb, SHAFT_TINT);
+        light += visible * color * exp(-density * t) * dust(p);
+    }
+    frag_color = vec4(light * v_sun * density * step * amount, 1.0);
+}
+@end
+
 @fs fs_post
 layout(binding=0) uniform post_params {
     float exposure;     // in stops
@@ -69,6 +164,7 @@ layout(binding=0) uniform post_params {
 };
 layout(binding=0) uniform texture2D view_color;
 layout(binding=1) uniform texture2D bloom;
+layout(binding=2) uniform texture2D shafts;
 layout(binding=0) uniform sampler view_smp;
 layout(binding=1) uniform sampler bloom_view_smp;
 out vec4 frag_color;
@@ -77,6 +173,13 @@ void main() {
     vec2 uv = gl_FragCoord.xy / vec2(textureSize(sampler2D(view_color, view_smp), 0));
     vec3 c = texture(sampler2D(view_color, view_smp), uv).rgb;
     c += texture(sampler2D(bloom, bloom_view_smp), uv).rgb * bloom_amount;
+    // A small tent blur over the half resolution shafts hides their dither.
+    vec2 st = 1.0 / vec2(textureSize(sampler2D(shafts, bloom_view_smp), 0));
+    c += (texture(sampler2D(shafts, bloom_view_smp), uv).rgb * 2.0
+        + texture(sampler2D(shafts, bloom_view_smp), uv + st * vec2( 1,  1)).rgb
+        + texture(sampler2D(shafts, bloom_view_smp), uv + st * vec2(-1,  1)).rgb
+        + texture(sampler2D(shafts, bloom_view_smp), uv + st * vec2( 1, -1)).rgb
+        + texture(sampler2D(shafts, bloom_view_smp), uv + st * vec2(-1, -1)).rgb) / 6.0;
     c *= exp2(exposure);
     c = (c - 0.5) * contrast + 0.5;
     c = mix(vec3(dot(c, vec3(0.2126, 0.7152, 0.0722))), c, saturation);
@@ -87,4 +190,5 @@ void main() {
 @program bloom_glow vs_fullscreen fs_bloom_glow
 @program bloom_down vs_fullscreen fs_bloom_down
 @program bloom_up vs_fullscreen fs_bloom_up
+@program shafts vs_shafts fs_shafts
 @program post vs_fullscreen fs_post
diff --git a/src/renderer_sokol/shaders/trile.glsl b/src/renderer_sokol/shaders/trile.glsl
index b8d262a..ddbded5 100644
--- a/src/renderer_sokol/shaders/trile.glsl
+++ b/src/renderer_sokol/shaders/trile.glsl
@@ -216,7 +216,7 @@ void main() {
     if (texelFetch(sampler2D(palette, palette_smp), ivec2(id, 1), 0).r < 0.5) discard;
     vec3 c = texelFetch(sampler2D(palette, palette_smp), ivec2(id, 0), 0).rgb;
     // Tinted rather than darkened: the glass's brightest channel passes fully.
-    frag_color = vec4(c / max(max(c.r, max(c.g, c.b)), 0.001), 1.0);
+    frag_color = vec4(c / max(max(c.r, max(c.g, c.b)), 0.001), gl_FragCoord.z);
 }
 @end
 
diff --git a/src/renderer_sokol/triles.jai b/src/renderer_sokol/triles.jai
index 5d799b9..f9190fa 100644
--- a/src/renderer_sokol/triles.jai
+++ b/src/renderer_sokol/triles.jai
@@ -19,8 +19,13 @@ triles_init :: (orientations: [ORIENTATION_COUNT]Matrix3) {
     shadow_desc.face_winding = .CCW;
     triles.shadow_pipeline = sg_make_pipeline(*shadow_desc);
 
-    glass_desc := pipeline_desc(trile_glass_shadow_shader_desc(sg_query_backend()), .SHADOW, MULTIPLY_BLEND);
-    glass_desc.colors[0].write_mask = .RGB;
+    // Alpha keeps the nearest glass depth, so light shafts start at the window.
+    glass_blend := MULTIPLY_BLEND;
+    glass_blend.src_factor_alpha = .ONE;
+    glass_blend.dst_factor_alpha = .ONE;
+    glass_blend.op_alpha         = .MIN;
+    glass_desc := pipeline_desc(trile_glass_shadow_shader_desc(sg_query_backend()), .SHADOW, glass_blend);
+    glass_desc.colors[0].write_mask = .RGBA;
     glass_desc.layout       = desc.layout;
     glass_desc.index_type   = .UINT16;
     glass_desc.cull_mode    = .FRONT;
diff --git a/src/renderer_sokol/views.jai b/src/renderer_sokol/views.jai
index 4c1dcdb..9fcd29c 100644
--- a/src/renderer_sokol/views.jai
+++ b/src/renderer_sokol/views.jai
@@ -1,10 +1,14 @@
 BLOOM_LEVELS  :: 5;
 BLOOM_SCATTER :: 0.7;
+SHAFT_STEPS   :: 48;
+SHAFT_MAX_DISTANCE :: 100.0;
 
 views_init :: () {
     backend := sg_query_backend();
     post_desc := pipeline_desc(post_shader_desc(backend), .SCREEN);
     views.post = sg_make_pipeline(*post_desc);
+    shafts_desc := pipeline_desc(shafts_shader_desc(backend), .POST);
+    views.shafts = sg_make_pipeline(*shafts_desc);
     glow_desc := pipeline_desc(bloom_glow_shader_desc(backend), .POST);
     views.bloom_glow = sg_make_pipeline(*glow_desc);
     down_desc := pipeline_desc(bloom_down_shader_desc(backend), .POST);
@@ -25,6 +29,8 @@ view_begin_pass :: (index: int, width: s32, height: s32, kind: Pass_Kind, opaque
                 sg_destroy_attachments(level.attachments);
                 sg_destroy_image(level.image);
             }
+            sg_destroy_attachments(it.shafts.attachments);
+            sg_destroy_image(it.shafts.image);
         }
         array_reset_keeping_memory(*views.targets);
         views.width  = width;
@@ -42,6 +48,10 @@ view_begin_pass :: (index: int, width: s32, height: s32, kind: Pass_Kind, opaque
             desc.colors[0].image = level.image;
             level.attachments = sg_make_attachments(*desc);
         }
+        targets.shafts.image = sg_make_image(*(sg_image_desc.{ render_target = true, width = max(width / 2, 1), height = max(height / 2, 1), pixel_format = VIEW_COLOR_FORMAT, sample_count = 1 }));
+        desc : sg_attachments_desc;
+        desc.colors[0].image = targets.shafts.image;
+        targets.shafts.attachments = sg_make_attachments(*desc);
     }
     targets := views.targets[index];
 
@@ -120,6 +130,34 @@ view_bloom :: (index: int) {
     for < 1..BLOOM_LEVELS-1  run(views.bloom_up, targets.bloom[it].image, targets.bloom[it - 1].attachments, true);
 }
 
+// Marches each view ray through the coloured shadow map, after the main pass has
+// written how far it reaches.
+view_shafts :: (pass: *Pass) {
+    env := view_environment(pass.view);
+    action : sg_pass_action;
+    action.colors[0] = .{ load_action = .CLEAR, clear_value = .{0, 0, 0, 1} };
+    sg_begin_pass(*(sg_pass.{ action = action, attachments = views.targets[pass.view_index].shafts.attachments }));
+    if env.shaft_amount > 0 {
+        sg_apply_pipeline(views.shafts);
+        params := Shaft_Params.{
+            density      = env.shaft_density,
+            amount       = env.shaft_amount,
+            max_distance = SHAFT_MAX_DISTANCE,
+            steps        = SHAFT_STEPS,
+        };
+        apply_uniforms(UB_view_params, *pass.params);
+        apply_uniforms(UB_shadow_params, *pass.shadow);
+        apply_uniforms(UB_shaft_params, *params);
+        bind : sg_bindings;
+        bind.images[IMG_shaft_scene]       = views.targets[pass.view_index].main.scene;
+        bind.samplers[SMP_shaft_scene_smp] = samplers.nearest_clamp;
+        bind_shadow(pass, *bind);
+        sg_apply_bindings(*bind);
+        sg_draw(0, 3, 1);
+    }
+    sg_end_pass();
+}
+
 view_composite :: (index: int, env: Environment) {
     sg_apply_pipeline(views.post);
     params := Post_Params.{
@@ -133,6 +171,7 @@ view_composite :: (index: int, env: Environment) {
     bind : sg_bindings;
     bind.images[IMG_view_color]       = views.targets[index].main.color;
     bind.images[IMG_bloom]            = views.targets[index].bloom[0].image;
+    bind.images[IMG_shafts]           = views.targets[index].shafts.image;
     bind.samplers[SMP_view_smp]       = samplers.nearest_clamp;
     bind.samplers[SMP_bloom_view_smp] = samplers.linear_clamp;
     sg_apply_bindings(*bind);
@@ -152,10 +191,11 @@ View_Target :: struct {
 
 views : struct {
     post       : sg_pipeline;
+    shafts     : sg_pipeline;
     bloom_glow : sg_pipeline;
     bloom_down : sg_pipeline;
     bloom_up   : sg_pipeline;
-    targets    : [..]struct { main, reflection: View_Target; bloom: [BLOOM_LEVELS]struct { image: sg_image; attachments: sg_attachments; }; };
+    targets    : [..]struct { main, reflection: View_Target; bloom: [BLOOM_LEVELS]struct { image: sg_image; attachments: sg_attachments; }; shafts: struct { image: sg_image; attachments: sg_attachments; }; };
     shadows   : [..]struct { depth, tint: sg_image; attachments: sg_attachments; };
     width     : s32;
     height    : s32;
diff --git a/src/rendering/scene.jai b/src/rendering/scene.jai
index 25ff404..a94ef16 100644
--- a/src/rendering/scene.jai
+++ b/src/rendering/scene.jai
@@ -31,6 +31,8 @@ Environment :: struct {
     contrast           : float = 1;
     saturation         : float = 1;
     bloom_amount       : float = 0.4;
+    shaft_density      : float = 0.1;   // light shafts through glass
+    shaft_amount       : float = 1;
 }
 
 // With cut on, triles marked ROOF or WALL are hidden from the camera around the
diff --git a/src/world.jai b/src/world.jai
index 814e5ae..11d75bb 100644
--- a/src/world.jai
+++ b/src/world.jai
@@ -59,6 +59,9 @@ Chunk :: struct {
     occupancy_mask : [32][32]u32;
     // We want to be easily able to identify stairs from the chunk.
     stairs_mask    : [32][32]u32;
+
+    // Foliage grid
+    foliage : [32][32]Foliage_Cell;
 }
 
 Occupancy_State :: enum {
@@ -351,6 +354,8 @@ World_Json_Config :: struct {
     contrast             : float = 1;
     saturation           : float = 1;
     bloomAmount          : float = 0.4;
+    shaftDensity         : float = 0.1;
+    shaftAmount          : float = 1;
 }
 
 World_Json_Chunk :: struct {
@@ -512,6 +517,8 @@ world_config_to_json :: (conf: *World_Config) -> World_Json_Config {
     jc.contrast           = conf.contrast;
     jc.saturation         = conf.saturation;
     jc.bloomAmount        = conf.bloomAmount;
+    jc.shaftDensity       = conf.shaftDensity;
+    jc.shaftAmount        = conf.shaftAmount;
     return jc;
 }
 
@@ -540,6 +547,8 @@ world_config_from_json :: (jc: *World_Json_Config) -> World_Config {
     conf.contrast                = jc.contrast;
     conf.saturation              = jc.saturation;
     conf.bloomAmount             = jc.bloomAmount;
+    conf.shaftDensity            = jc.shaftDensity;
+    conf.shaftAmount             = jc.shaftAmount;
     return conf;
 }
 
@@ -759,6 +768,8 @@ World_Config :: struct {
     contrast       : float = 1;   @Slider,0,3,0.05
     saturation     : float = 1;   @Slider,0,3,0.05
     bloomAmount    : float = 0.4; @Slider,0,3,0.05
+    shaftDensity   : float = 0.1; @Slider,0,1,0.01
+    shaftAmount    : float = 1;   @Slider,0,5,0.1
     sunPosition   : Vector3 = #run normalize(Vector3.{0.2, 0.3, 0.4});
     sunIntensity  : float = 1.0; @Slider,0,4,0.1
     skyIntensity  : float = 0.3; @Slider,0,5,0.1
@@ -810,6 +821,8 @@ world_environment :: (world: *World) -> *Environment {
     env.contrast           = conf.contrast;
     env.saturation         = conf.saturation;
     env.bloom_amount       = conf.bloomAmount;
+    env.shaft_density      = conf.shaftDensity;
+    env.shaft_amount       = conf.shaftAmount;
     return env;
 }