private void CalcModelBorderPoints()
{
_modelBorderPoints = PrimitiveFactory.Generate2DCircleBorderPointsCW(Vector2.zero, 1.0f, _numBorderPoints);
_areModelBorderPointsDirty = false;
}
public static void DrawCircle2D(Vector2 circleCenter, float circleRadius, int numPoints, Camera camera)
{
List <Vector2> circlePoints = PrimitiveFactory.Generate2DCircleBorderPointsCW(circleCenter, circleRadius, numPoints);
DrawTriangleFan2D(circleCenter, circlePoints, camera);
}