private static bool SetPointTangent(int pointIndex, Vector3 worldTangent, bool isInTangent)
{
List <AnimationPathPoint> points = animationPoints;
AnimationPathPoint pathPoint = null;
AnimationPathPoint nextPathPoint = null;
Vector3 offset = Vector3.zero;
if (isInTangent)
{
pathPoint = points[pointIndex - 1];
nextPathPoint = points[pointIndex];
offset = GetLocalPosition(worldTangent) - GetLocalPosition(nextPathPoint.worldInTangent);
}
else
{
pathPoint = points[pointIndex];
nextPathPoint = points[pointIndex + 1];
offset = GetLocalPosition(worldTangent) - GetLocalPosition(pathPoint.worldOutTangent);
}
string inPath = AnimationUtility.CalculateTransformPath(activeGameObject.transform, activeRootGameObject.transform);
Type inType = typeof(Transform);
EditorCurveBinding bindingX = EditorCurveBinding.FloatCurve(inPath, inType, "m_LocalPosition.x");
EditorCurveBinding bindingY = EditorCurveBinding.FloatCurve(inPath, inType, "m_LocalPosition.y");
EditorCurveBinding bindingZ = EditorCurveBinding.FloatCurve(inPath, inType, "m_LocalPosition.z");
AnimationCurve curveX = AnimationUtility.GetEditorCurve(activeAnimationClip, bindingX);
AnimationCurve curveY = AnimationUtility.GetEditorCurve(activeAnimationClip, bindingY);
AnimationCurve curveZ = AnimationUtility.GetEditorCurve(activeAnimationClip, bindingZ);
if (curveX == null || curveY == null || curveZ == null)
{
return(false);
}
AnimationPathPoint.ModifyPointTangent(pathPoint, nextPathPoint, offset, isInTangent, curveX, curveY, curveZ);
Undo.RegisterCompleteObjectUndo(activeAnimationClip, "Edit Curve");
AnimationUtility.SetEditorCurve(activeAnimationClip, bindingX, curveX);
AnimationUtility.SetEditorCurve(activeAnimationClip, bindingY, curveY);
AnimationUtility.SetEditorCurve(activeAnimationClip, bindingZ, curveZ);
AnimationWindowUtil.Repaint();
return(true);
}
