void OnValidate()
{
if (coll == null)
{
//When first getting a reference to the collider save the paths
//so that the optimization is redoable (by performing it on the original path
//every time)
coll = GetComponent <PolygonCollider2D>();
for (int i = 0; i < coll.pathCount; i++)
{
List <Vector2> path = new List <Vector2>(coll.GetPath(i));
originalPaths.Add(path);
}
}
//Reset the original paths
if (tolerance <= 0)
{
for (int i = 0; i < originalPaths.Count; i++)
{
List <Vector2> path = originalPaths[i];
coll.SetPath(i, path.ToArray());
}
return;
}
for (int i = 0; i < originalPaths.Count; i++)
{
List <Vector2> path = originalPaths[i];
path = ShapeOptimizationHelper.DouglasPeuckerReduction(path, tolerance);
coll.SetPath(i, path.ToArray());
}
}
void OnValidate()
{
coll = coll ?? GetComponent <EdgeCollider2D>();
polygon = polygon ?? GetComponent <PolygonCollider2D>();
List <Vector2> path = new List <Vector2>();
Vector2 upperRight = polygon.bounds.max;
Vector2 upperLeft = polygon.bounds.min;
upperLeft.y = upperRight.y;
for (int i = 0; i < rayBudget; i++)
{
float t = (float)i / (float)rayBudget;
//interpolate along the upper edge of the collider bounds
Vector2 rayOrigin = Vector2.Lerp(upperLeft, upperRight, t);
RaycastHit2D[] hits = Physics2D.RaycastAll(rayOrigin, edgeNormalOpposite, polygon.bounds.size.y);
for (int j = 0; j < hits.Length; j++)
{
RaycastHit2D hit = hits[j];
if (hit.collider == polygon)
{
Vector2 localHitPoint = transform.InverseTransformPoint(hit.point);
path.Add(localHitPoint);
break;
}
}
}
if (tolerance > 0)
{
path = ShapeOptimizationHelper.DouglasPeuckerReduction(path, tolerance);
}
coll.points = path.ToArray();
}