public static Vector2 ConvertScreenPixelsToPoints(Vector2 screenPixels)
{
#if UNITY_5_4_OR_NEWER
return(EditorGUIUtility.PixelsToPoints(screenPixels));
#else
// Pre 5.4 assume that 1 pixel = 1 point
return(screenPixels);
#endif
}
private static Vector3 WorldToGUIPoint(this SceneView sceneView, Vector3 world)
{
// Does the same as this, but reimplemented to also work outside Handles.GUI scope
// return HandleUtility.WorldToGUIPoint(worldPoint);
world = Handles.matrix.MultiplyPoint(world);
var screen = sceneView.camera.WorldToScreenPoint(world);
var points = EditorGUIUtility.PixelsToPoints(screen);
points.y = sceneView.GetInnerGuiPosition().height - points.y;
return(new Vector3(points.x, points.y, screen.z));
}
public void OnGUI()
{
var sceneView = SceneView.currentDrawingSceneView;
if (sceneView == null)
{
return;
}
var rect = EditorGUIUtility.PixelsToPoints(sceneView.camera.pixelRect);
OnGUI(sceneView, rect);
}
public static Vector2 ConvertMousePixelPosition(Vector2 sourceMousePosition, bool convertPixelsToPoints = true)
{
#if UNITY_5_4_OR_NEWER
if (convertPixelsToPoints)
{
sourceMousePosition = EditorGUIUtility.PixelsToPoints(sourceMousePosition);
}
// Flip the direction of Y and remove the Scene View top toolbar's height
sourceMousePosition.y = (Screen.height / EditorGUIUtility.pixelsPerPoint) - sourceMousePosition.y - (TOOLBAR_HEIGHT);
#else
// Flip the direction of Y and remove the Scene View top toolbar's height
sourceMousePosition.y = Screen.height - sourceMousePosition.y - TOOLBAR_HEIGHT;
#endif
return(sourceMousePosition);
}
// Helper function for doing arrows.
public static float CalcLineTranslation(Vector2 start, Vector2 end, Vector3 origin, Vector3 direction)
{
// Apply handle matrix
//origin = Handles.matrix.MultiplyPoint(origin);
//direction = Handles.matrix.MultiplyVector(direction);
// The constrained direction is facing towards the camera, THATS BAD when the handle is close to the camera
// The origin goes through to the other side of the camera
float invert = 1.0F;
Vector3 cameraForward = Camera.current.transform.forward;
if (Vector3.Dot(direction, cameraForward) < 0.0F)
{
invert = -1.0F;
}
// Ok - Get the parametrization of the line
// p1 = start position, p2 = p1 + ConstraintDir.
// we then parametrize the perpendicular position of end into the line (p1-p2)
Vector3 cd = direction;
cd.y = -cd.y;
Camera cam = Camera.current;
Vector2 p1 = EditorGUIUtility.PixelsToPoints(cam.WorldToScreenPoint(origin));
Vector2 p2 = EditorGUIUtility.PixelsToPoints(cam.WorldToScreenPoint(origin + direction * invert));
Vector2 p3 = end;
Vector2 p4 = start;
if (p1 == p2)
{
return(0);
}
p3.y = -p3.y;
p4.y = -p4.y;
var lineDirection = p2 - p1;
float t0 = PointOnLineParameter(p4, p1, lineDirection);
float t1 = PointOnLineParameter(p3, p1, lineDirection);
float output = (t1 - t0) * invert;
return(output);
}
public static Vector2 PixelsToPoints(Vector2 position)
{
return(EditorGUIUtility.PixelsToPoints(position));
}
public static Rect PixelsToPoints(Rect rect)
{
return(EditorGUIUtility.PixelsToPoints(rect));
}