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;
}