public override void RenderGizmos()
{
Ellipse2D ellipse = Ellipse;
GizmosEx.Render2DFilledEllipse(ellipse, _renderSettings.FillColor);
GizmosEx.Render2DEllipseBorderLines(ellipse, _renderSettings.BorderLineColor);
}
public static void Render2DEllipseBorderLines(Ellipse2D ellipse, Color color)
{
Camera camera = SceneViewCamera.Camera;
List <Vector3> worldBorderPoints = ellipse.GetWorldBorderLinesInFrontOfCamera(camera, _2DPointOffsetFromCamNearPlane, _numberOfCircleMeshSlices);
RenderLinesBetweenPoints(worldBorderPoints, color);
}
public static void Render2DFilledEllipse(Ellipse2D ellipse, Color color)
{
Camera camera = SceneViewCamera.Camera;
Transform cameraTransform = camera.transform;
List <Vector3> ellipseWorldPoints = ellipse.GetWorldExtentPointsInFrontOfCamera(camera, _2DPointOffsetFromCamNearPlane);
float radiusX = (ellipseWorldPoints[1] - ellipseWorldPoints[3]).magnitude * 0.5f;
float radiusY = (ellipseWorldPoints[0] - ellipseWorldPoints[2]).magnitude * 0.5f;
Vector3 ellipseWorldPosition = ellipse.GetWorldCenterPointInFrontOfCamera(camera, _2DPointOffsetFromCamNearPlane);
Matrix4x4 transformMatrix = Matrix4x4.TRS(ellipseWorldPosition, cameraTransform.rotation, new Vector3(radiusX, radiusY, 1.0f));
RenderMesh(GetCircleMesh(), transformMatrix, color);
}
private List <GameObject> GetOverlappedGameObjectsForPartialOverlap(List <GameObject> objectsOveralppedByEnclosingRect, Camera camera)
{
Ellipse2D ellipse = Ellipse;
List <GameObject> overlappedGameObjects = new List <GameObject>(objectsOveralppedByEnclosingRect.Count);
foreach (GameObject gameObject in objectsOveralppedByEnclosingRect)
{
if (ellipse.OverlapsRectangle(gameObject.GetScreenRectangle(camera)))
{
overlappedGameObjects.Add(gameObject);
}
}
return(overlappedGameObjects);
}
private List <GameObject> GetOverlappedGameObjectsForFullOverlap(List <GameObject> objectsOveralppedByEnclosingRect, Camera camera)
{
Ellipse2D ellipse = Ellipse;
List <GameObject> overlappedGameObjects = new List <GameObject>(objectsOveralppedByEnclosingRect.Count);
foreach (GameObject gameObject in objectsOveralppedByEnclosingRect)
{
OrientedBox worldOrientedBox = gameObject.gameObject.GetWorldOrientedBox();
if (worldOrientedBox.IsValid() && ellipse.FullyContainsOrientedBoxCenterAndCornerPointsInScreenSpace(worldOrientedBox, camera))
{
overlappedGameObjects.Add(gameObject);
}
}
return(overlappedGameObjects);
}
public static void Render2DCircleBorderLines(Circle2D circle, Color color)
{
Ellipse2D ellipse = new Ellipse2D(circle);
Render2DEllipseBorderLines(ellipse, color);
}
