private static Vector2 SnapRadial(Vector3 aWorldPt, Vector2 aOriginalPoint, Vector2 aNewPoint, Matrix4x4 aTransform, Matrix4x4 aInvTransform, PathSnap aSnapMode = PathSnap.Unity)
{
Vector2 result = aNewPoint;
if (!Event.current.control)
{
return(result);
}
float angleSnap = EditorTools.GetUnityRotationSnap();
float magnitudeSnap = EditorTools.GetUnityScaleSnap();
Vector2 src = aNewPoint;
if (aSnapMode == PathSnap.Local)
{
src = aNewPoint;
}
if (aSnapMode == PathSnap.World)
{
src = aInvTransform.MultiplyVector(aNewPoint);
}
if (aSnapMode == PathSnap.Relative)
{
src = aNewPoint;
}
Vector2 polar = new Vector2(PathUtil.ClockwiseAngle(src, Vector2.right), src.magnitude);
Vector3 polarSnap = new Vector3(angleSnap, magnitudeSnap, 0);
polar = SnapVector(polar, polarSnap);
polar.x *= Mathf.Deg2Rad;
result = new Vector2(Mathf.Cos(polar.x) * polar.y, Mathf.Sin(polar.x) * polar.y);
if (aSnapMode == PathSnap.World)
{
result = aInvTransform.MultiplyVector(result);
}
return(result);
}
private static float SnapScale(float aOriginalScale, float aNewScale, PathSnap aSnapMode = PathSnap.Unity)
{
float result = aNewScale;
if (!Event.current.control)
{
return(result);
}
float snap = EditorTools.GetUnityScaleSnap();
if (aSnapMode == PathSnap.Local || aSnapMode == PathSnap.World)
{
result = SnapScalar(aNewScale, snap);
}
if (aSnapMode == PathSnap.Relative)
{
result = aOriginalScale + SnapScalar(aNewScale - aOriginalScale, snap);
}
return(result);
}