public AnimationCurve DrawHandle(AnimationCurve curve)
{
AnimationCurve ret;
//Update the mouse world position:
Ray r = HandleUtility.GUIPointToWorldRay(e.mousePosition);
if (CustomHandleUtility.GetPointOnPlane(matrix, r, out currentMouseWorld))
{
currentMouseWorld = matrix.inverse.MultiplyPoint3x4(currentMouseWorld);
}
if (e.type == EventType.Repaint)
{
PushGLContext();
DrawBorders();
DrawCurve(curve);
DrawLabels(curve);
PopGLContext();
}
//draw curve handles:
ret = DrawCurvePointsHandle(curve);
if (e.type == EventType.MouseDown && e.button == 0 && mouseOverCurveEdge)
{
ret = AddCurveKeyframe(curve);
e.Use();
}
return(ret);
}
bool GetMousePositionInWorld(out Vector3 position)
{
Ray r = HandleUtility.GUIPointToWorldRay(e.mousePosition);
return(CustomHandleUtility.GetPointOnPlane(matrix, r, out position));
}
