/// <summary>
/// Inverts the rectangle's Y coordinates in screen space. Useful when
/// the rectangle needs to be expressed in coordinate systems with the
/// Y axis going either up or down.
/// </summary>
public static Rect InvertScreenY(this Rect rect)
{
Vector2 center = rect.center;
center.y = Screen.height - 1 - center.y;
return(RectEx.FromCenterAndSize(center, rect.size));
}
/// <summary>
/// Places 'rect' below 'other' and sets its center to the same center
/// as 'other' horizontally.
/// </summary>
public static Rect PlaceBelowCenterHrz(this Rect rect, Rect other)
{
float centerX = other.center.x;
float centerY = other.center.y - other.size.y * 0.5f - rect.size.y * 0.5f;
return(RectEx.FromCenterAndSize(new Vector2(centerX, centerY), rect.size));
}
/// <summary>
/// Calculates and returns the rectangle that encloses all the 2D shapes which belong to
/// the handle. If the handle doesn't contain any 2D shapes or if none of them are marked
/// as visible, a rectangle with the size of 0 will be returned. The 'Is2DVisible' property
/// is ignored. The function will also return an empty rect if the 3D position of the owner
/// gizmo falls behind the camera near plane (i.e. behind the camera).
/// </summary>
public Rect GetVisible2DShapesRect(Camera camera)
{
if (Num2DShapes == 0 ||
!camera.IsPointInFrontNearPlane(Gizmo.Transform.Position3D))
{
return(new Rect());
}
var allRectPts = new List <Vector2>(Num2DShapes * 4);
foreach (var shape in _2DShapes)
{
if (!shape.IsVisible)
{
continue;
}
Rect shapeRect = shape.Shape.GetEncapsulatingRect();
allRectPts.AddRange(shapeRect.GetCornerPoints());
}
if (allRectPts.Count == 0)
{
return(new Rect());
}
return(RectEx.FromPoints(allRectPts));
}
public override Rect GetEncapsulatingRect()
{
if (_arePointsDirty)
{
OnPointsFoundDirty();
}
return(RectEx.FromPoints(_points));
}
public void OnGUI()
{
var sgLookAndFeel = _sceneGizmo.LookAndFeel;
Camera gizmoCamera = _sceneGizmo.SceneGizmoCamera.Camera;
if (sgLookAndFeel.IsCamPrjSwitchLabelVisible)
{
if (_sceneGizmo.SceneGizmoCamera.SceneCamera != RTFocusCamera.Get.TargetCamera ||
!RTFocusCamera.Get.IsDoingProjectionSwitch)
{
Texture2D labelTexture = gizmoCamera.orthographic ? sgLookAndFeel.CamOrthoModeLabelTexture : sgLookAndFeel.CamPerspModeLabelTexture;
GUIEx.PushColor(sgLookAndFeel.CamPrjSwitchLabelTint);
Rect drawRect = RectEx.FromTexture2D(labelTexture).PlaceBelowCenterHrz(gizmoCamera.pixelRect).InvertScreenY();
drawRect.center = new Vector2(drawRect.center.x, Screen.height - 1 - _labelQuad.Center.y);
GUI.DrawTexture(drawRect, labelTexture);
GUIEx.PopColor();
}
else
{
Texture2D destLabelTexture = sgLookAndFeel.CamOrthoModeLabelTexture;
Texture2D sourceLabelTexture = sgLookAndFeel.CamPerspModeLabelTexture;
if (RTFocusCamera.Get.PrjSwitchTransitionType == CameraPrjSwitchTransition.Type.ToPerspective)
{
destLabelTexture = sgLookAndFeel.CamPerspModeLabelTexture;
sourceLabelTexture = sgLookAndFeel.CamOrthoModeLabelTexture;
}
AnimationCurve srcAnimCurve = AnimationCurve.EaseInOut(0.0f, sgLookAndFeel.CamPrjSwitchLabelTint.a, 1.0f, 0.0f);
AnimationCurve destAnimCurve = AnimationCurve.EaseInOut(0.0f, 0.0f, 1.0f, sgLookAndFeel.CamPrjSwitchLabelTint.a);
float destAlpha = destAnimCurve.Evaluate(RTFocusCamera.Get.PrjSwitchProgress);
float srcAlpha = srcAnimCurve.Evaluate(RTFocusCamera.Get.PrjSwitchProgress);
GUIEx.PushColor(ColorEx.KeepAllButAlpha(sgLookAndFeel.CamPrjSwitchLabelTint, srcAlpha));
Rect drawRect = RectEx.FromTexture2D(sourceLabelTexture).PlaceBelowCenterHrz(gizmoCamera.pixelRect).InvertScreenY();
drawRect.center = new Vector2(drawRect.center.x, Screen.height - 1 - _labelQuad.Center.y);
GUI.DrawTexture(drawRect, sourceLabelTexture);
GUIEx.PopColor();
GUIEx.PushColor(ColorEx.KeepAllButAlpha(sgLookAndFeel.CamPrjSwitchLabelTint, destAlpha));
drawRect = RectEx.FromTexture2D(destLabelTexture).PlaceBelowCenterHrz(gizmoCamera.pixelRect).InvertScreenY();
drawRect.center = new Vector2(drawRect.center.x, Screen.height - 1 - _labelQuad.Center.y);
GUI.DrawTexture(drawRect, destLabelTexture);
GUIEx.PopColor();
}
}
}
private void UpdateTransform()
{
var sgLookAndFeel = _sceneGizmo.LookAndFeel;
Camera gizmoCamera = _sceneGizmo.SceneGizmoCamera.Camera;
Texture2D labelTexture = gizmoCamera.orthographic ? sgLookAndFeel.CamOrthoModeLabelTexture : sgLookAndFeel.CamPerspModeLabelTexture;
Rect labelRect = RectEx.FromTexture2D(labelTexture);
// Note: Use the maximum texture size to account for textures of different sizes. When
// drawing the label, we will keep the original texture size to avoid stretching
// but we will place its center at '_labelQuad.Center' to avoid sudden changes in
// position when doing projection switches.
labelRect.size = sgLookAndFeel.CalculateMaxPrjSwitchLabelRectSize();
labelRect = labelRect.PlaceBelowCenterHrz(_sceneGizmo.SceneGizmoCamera.Camera.pixelRect);
_labelQuad.Center = labelRect.center;
_labelQuad.Size = labelRect.size;
}
public Rect GetVisible2DHandlesRect(Camera camera)
{
var allRectPts = new List <Vector2>();
int numHandles = _handles.Count;
for (int handleIndex = 0; handleIndex < numHandles; ++handleIndex)
{
var handle = _handles[handleIndex];
Rect handleRect = handle.GetVisible2DShapesRect(camera);
if (handleRect.width != 0 || handleRect.height != 0)
{
allRectPts.AddRange(handleRect.GetCornerPoints());
}
}
if (allRectPts.Count != 0)
{
return(RectEx.FromPoints(allRectPts));
}
return(new Rect());
}
private void CalculateRect()
{
_rect = RectEx.FromPoints(_cwPolyPoints);
_isRectDirty = false;
}
public override Rect GetEncapsulatingRect()
{
var cornerPoints = QuadMath.Calc2DQuadCornerPoints(_center, _size, _rotationDegrees);
return(RectEx.FromPoints(cornerPoints));
}
public override Rect GetEncapsulatingRect()
{
return(RectEx.FromPoints(GetExtentPoints()));
}
public override Rect GetEncapsulatingRect()
{
return(RectEx.FromPoints(new Vector2[] { _startPoint, _endPoint }));
}
public override Rect GetEncapsulatingRect()
{
return(RectEx.FromPoints(new List <Vector2> {
BaseLeft, Tip, BaseRight
}));
}
private void OnBorderPointsFoundDirty()
{
_borderPoints = PrimitiveFactory.Generate2DArcBorderPoints(_origin, _startPoint, _degreeAngleFromStart, _forceShortestArc, _numBorderPoints);
_rect = RectEx.FromPoints(_borderPoints);
_areBorderPointsDirty = false;
}
