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work on level editor camera

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This commit is contained in:
Tuomas Katajisto 2025-07-15 00:25:28 +03:00
parent 525ca581a8
commit bf8f8d164a
1 changed files with 49 additions and 18 deletions
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53
src/editor/level_editor.jai
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@ -8,7 +8,7 @@ mouse2ActivationPosition : Vector2;
mouse3Active : bool; mouse3Active : bool;
mouse3ActivationPosition : Vector2; mouse3ActivationPosition : Vector2;
cameraTilt : float; cameraTilt : float = 0.2;
cameraDist : float = 10.0; cameraDist : float = 10.0;
cameraRotation : float; cameraRotation : float;
oldCameraRotation : float; oldCameraRotation : float;
@ -28,33 +28,32 @@ get_level_editor_camera :: () -> Camera {
camera.near = 0.1; camera.near = 0.1;
camera.far = 1000; camera.far = 1000;
camera.target = .{cameraCenter.x, xx editY, cameraCenter.y}; camera.target = .{cameraCenter.x, xx editY, cameraCenter.y};
if get_time() - lastInputTime > CAMERA_INACTIVE_TIME_TO_ORBIT { // idle rotating camera
camera.position = camera.target;
camera.position += normalize(Vector3.{xx sin(get_time()), 0.6, xx cos(get_time())}) * cameraDist;
} else {
cameraDir : Vector3 = .{1, 0, 0}; cameraDir : Vector3 = .{1, 0, 0};
qrotation : Quaternion = .{cos(cameraRotation/2.0),0,sin(cameraRotation/2.0),0}; qrotation : Quaternion = .{cos(-cameraRotation/2.0),0,sin(-cameraRotation/2.0),0};
qtilt : Quaternion = .{cos(cameraTilt/2.0),sin(cameraTilt/2.0), 0, 0}; qtilt : Quaternion = .{cos(-cameraTilt/2.0),sin(-cameraTilt/2.0), 0, 0};
rotate(*cameraDir, qrotation * qtilt); rotate(*cameraDir, qrotation * qtilt);
camera.position = camera.target; camera.position = camera.target;
camera.position += cameraDir * cameraDist; camera.position += cameraDir * cameraDist;
}
return camera; return camera;
} }
tick_level_editor_camera :: () { tick_level_editor_camera :: () {
if get_time() - lastInputTime > CAMERA_INACTIVE_TIME_TO_ORBIT { // idle rotating camera
cameraRotation += cast(float) delta_time;
}
cameraSpeed :: 5.1; cameraSpeed :: 5.1;
forward : Vector3 = .{1, 0, 0}; forward : Vector3 = .{1, 0, 0};
qrotation : Quaternion = .{cos(cameraRotation/2.0),0,sin(cameraRotation/2.0),0}; qrotation : Quaternion = .{cos(-cameraRotation/2.0),0,sin(-cameraRotation/2.0),0};
rotate(*forward, qrotation); rotate(*forward, qrotation);
forward2d := Vector2.{forward.x, forward.z}; forward2d := Vector2.{forward.x, forward.z};
left : Vector3 = .{0, 0, 1}; left : Vector3 = .{0, 0, 1};
qrotation_left : Quaternion = .{cos(cameraRotation/2.0),0,sin(cameraRotation/2.0),0}; qrotation_left : Quaternion = .{cos(-cameraRotation/2.0),0,sin(-cameraRotation/2.0),0};
rotate(*left, qrotation_left); rotate(*left, qrotation_left);
left2d := Vector2.{left.x, left.z}; left2d := Vector2.{left.x, left.z};
@ -86,6 +85,38 @@ tick_level_editor_camera :: () {
editY = max(editY - 1, 0); editY = max(editY - 1, 0);
} }
if input_button_states[Key_Code.MOUSE_BUTTON_RIGHT] & .DOWN {
if mouse2Active {
lastInputTime = get_time();
diff := mouse2ActivationPosition - Vector2.{input_mouse_x, input_mouse_y};
diff *= 0.5;
cameraRotation = oldCameraRotation + diff.x / 100;
cameraTilt = oldCameraTilt - diff.y / 100;
cameraTilt = max(0.1, cameraTilt);
cameraTilt = min(PI/2.2, cameraTilt);
} else {
mouse2Active = true;
mouse2ActivationPosition = Vector2.{input_mouse_x, input_mouse_y};
oldCameraRotation = cameraRotation;
oldCameraTilt = cameraTilt;
}
} else {
mouse2Active = false;
}
if input_button_states[Key_Code.MOUSE_BUTTON_MIDDLE] & .DOWN {
if mouse3Active {
lastInputTime = get_time();
diff := mouse3ActivationPosition - Vector2.{input_mouse_x, input_mouse_y};
cameraCenter = cameraCenter + forward2d * -diff.y * cast(float) delta_time * 0.1;
cameraCenter = cameraCenter + left2d * -diff.x * cast(float) delta_time * 0.1;
} else {
mouse3Active = true;
mouse3ActivationPosition = Vector2.{input_mouse_x, input_mouse_y};
}
} else {
mouse3Active = false;
}
} }