private void CalcModelBorderPoints() { _modelBorderPoints = PrimitiveFactory.Generate2DCircleBorderPointsCW(Vector2.zero, 1.0f, _numBorderPoints); _areModelBorderPointsDirty = false; }
public void Render() { if (_sharedLookAndFeel == null) { return; } if (IsActive) { Material material = MaterialPool.Get.SimpleColor; if (_sharedLookAndFeel.DrawBoxes) { material.SetColor(_sharedLookAndFeel.BoxLineColor); material.SetZTestEnabled(true); material.SetPass(0); var boundsQConfig = GetObjectBoundsQConfig(); foreach (var targetObject in _targetObjects) { if (targetObject == null) { continue; } OBB worldOBB = ObjectBounds.CalcWorldOBB(targetObject, boundsQConfig); if (worldOBB.IsValid) { GraphicsEx.DrawWireBox(worldOBB); } } } Camera camera = Camera.current; Vector2 screenSnapPivot = camera.WorldToScreenPoint(_snapPivotPoint); if (_sharedLookAndFeel.PivotShapeType == PivotPointShapeType.Circle) { material.SetZTestEnabled(false); material.SetColor(_sharedLookAndFeel.PivotPointFillColor); material.SetPass(0); const int numCirclePoints = 100; List <Vector2> pivotCirclePoints = PrimitiveFactory.Generate2DCircleBorderPointsCW(screenSnapPivot, _sharedLookAndFeel.PivotCircleRadius, numCirclePoints); GLRenderer.DrawTriangleFan2D(screenSnapPivot, pivotCirclePoints, camera); if (_sharedLookAndFeel.DrawPivotBorder) { material.SetColor(_sharedLookAndFeel.PivotPointBorderColor); material.SetPass(0); GLRenderer.DrawLineLoop2D(pivotCirclePoints, camera); } } else if (_sharedLookAndFeel.PivotShapeType == PivotPointShapeType.Square) { material.SetZTestEnabled(false); material.SetColor(_sharedLookAndFeel.PivotPointFillColor); material.SetPass(0); Rect pivotRect = RectEx.FromCenterAndSize(screenSnapPivot, Vector2Ex.FromValue(_sharedLookAndFeel.PivotSquareSideLength)); GLRenderer.DrawRect2D(pivotRect, camera); if (_sharedLookAndFeel.DrawPivotBorder) { material.SetColor(_sharedLookAndFeel.PivotPointBorderColor); material.SetPass(0); GLRenderer.DrawRectBorder2D(pivotRect, camera); } } } }
public static void DrawCircle2D(Vector2 circleCenter, float circleRadius, int numPoints, Camera camera) { List <Vector2> circlePoints = PrimitiveFactory.Generate2DCircleBorderPointsCW(circleCenter, circleRadius, numPoints); DrawTriangleFan2D(circleCenter, circlePoints, camera); }