public static Sphere GetGlobalBoundingSphere(this Renderer rend, BoundingSphereAlgorithm algorithm)
{
if (algorithm != BoundingSphereAlgorithm.FromBounds && rend is SkinnedMeshRenderer)
{
return(Sphere.FromMesh((rend as SkinnedMeshRenderer).sharedMesh, algorithm, Trans.GetGlobal(rend.transform)));
}
else if (algorithm != BoundingSphereAlgorithm.FromBounds && rend is MeshRenderer && rend.HasComponent <MeshFilter>())
{
return(Sphere.FromMesh((rend as MeshRenderer).GetComponent <MeshFilter>().sharedMesh, algorithm, Trans.GetGlobal(rend.transform)));
}
else
{
var bounds = rend.bounds;
return(new Sphere(bounds.center, bounds.extents.magnitude));
}
}
public static Sphere GetLocalBoundingSphere(this Renderer rend, BoundingSphereAlgorithm algorithm)
{
if (algorithm != BoundingSphereAlgorithm.FromBounds && rend is SkinnedMeshRenderer)
{
return(Sphere.FromMesh((rend as SkinnedMeshRenderer).sharedMesh, algorithm));
}
else if (algorithm != BoundingSphereAlgorithm.FromBounds && rend is MeshRenderer && rend.HasComponent <MeshFilter>())
{
return(Sphere.FromMesh((rend as MeshRenderer).GetComponent <MeshFilter>().sharedMesh, algorithm));
}
else
{
var bounds = rend.bounds;
var c = rend.transform.InverseTransformPoint(bounds.center);
var v = rend.transform.InverseTransformDirection(bounds.extents);
return(new Sphere(c, v.magnitude));
}
}
/// <summary>
/// Attempts to calculate geometry for a collider. Not tested yet.
/// </summary>
/// <param name="c"></param>
/// <returns></returns>
public static IPhysicsGeom GetGeom(this Collider c, BoundingSphereAlgorithm algorithm, bool local = false)
{
if (c == null)
{
return(null);
}
if (c is CharacterController)
{
return(Capsule.FromCollider(c as CharacterController, local));
}
if (c is CapsuleCollider)
{
return(Capsule.FromCollider(c as CapsuleCollider, local));
}
else if (c is BoxCollider)
{
return(Box.FromCollider(c as BoxCollider, local));
}
else if (c is SphereCollider)
{
return(Sphere.FromCollider(c as SphereCollider, local));
}
else if (algorithm != BoundingSphereAlgorithm.FromBounds && c is MeshCollider)
{
if (local)
{
return(Sphere.FromMesh((c as MeshCollider).sharedMesh, algorithm));
}
else
{
return(Sphere.FromMesh((c as MeshCollider).sharedMesh, algorithm, Trans.GetGlobal(c.transform)));
}
}
else
{
//otherwise just return bounds as AABBox
return(AABBox.FromCollider(c, local));
}
}
