//Resolve relevant tangency
public static void ResolveTangents(Vector2 from, Vector2 to, float rigidMlt, PlanarDirection direction, out Vector2 fromTangent, out Vector2 toTangent)
{
var fromRect = new Rect(0, 0, 1, 1);
var toRect = new Rect(0, 0, 1, 1);
fromRect.center = from;
toRect.center = to;
ResolveTangents(from, to, fromRect, toRect, rigidMlt, direction, out fromTangent, out toTangent);
}
//Resolve relevant tangency
public static void ResolveTangents(Vector2 from, Vector2 to, Rect fromRect, Rect toRect, float rigidMlt, PlanarDirection direction, out Vector2 fromTangent, out Vector2 toTangent)
{
var tangentX = Mathf.Abs(from.x - to.x) * rigidMlt;
tangentX = Mathf.Max(tangentX, 25);
var tangentY = Mathf.Abs(from.y - to.y) * rigidMlt;
tangentY = Mathf.Max(tangentY, 25);
switch (direction)
{
case (PlanarDirection.Horizontal):
{
fromTangent = new Vector2(tangentX, 0);
toTangent = new Vector2(-tangentX, 0);
}
return;
case (PlanarDirection.Vertical):
{
fromTangent = new Vector2(0, tangentY);
toTangent = new Vector2(0, -tangentY);
}
return;
case (PlanarDirection.Auto):
{
var resultFrom = default(Vector2);
if (from.x <= fromRect.xMin)
{
resultFrom = new Vector2(-tangentX, 0);
}
if (from.x >= fromRect.xMax)
{
resultFrom = new Vector2(tangentX, 0);
}
if (from.y <= fromRect.yMin)
{
resultFrom = new Vector2(0, -tangentY);
}
if (from.y >= fromRect.yMax)
{
resultFrom = new Vector2(0, tangentY);
}
var resultTo = default(Vector2);
if (to.x <= toRect.xMin)
{
resultTo = new Vector2(-tangentX, 0);
}
if (to.x >= toRect.xMax)
{
resultTo = new Vector2(tangentX, 0);
}
if (to.y <= toRect.yMin)
{
resultTo = new Vector2(0, -tangentY);
}
if (to.y >= toRect.yMax)
{
resultTo = new Vector2(0, tangentY);
}
fromTangent = resultFrom;
toTangent = resultTo;
}
return;
}
fromTangent = default(Vector2);
toTangent = default(Vector2);
}
