public List <JCollider> FindOverlaps(JCollider colliderA)
{
var output = new List <JCollider>(10);
var boundsA = colliderA.meshFrame.AABB;
var meshA = colliderA.meshFrame;
collisionMapQueue.ResetQueueIteration();
while (collisionMapQueue.HasNext())
{
var map = collisionMapQueue.Next();
if (map.bodies != null && JMeshOverlap.AABBOverlap(boundsA, map.bounds))
{
for (var i = 0; i < map.bodies.Count; i++)
{
var colliderB = map.bodies[i];
if (output.Contains(colliderB))
{
continue;
}
if (JLayerMaskUtil.MaskCheck(JLayerMaskUtil.GetLayerMask(colliderA.jLayer), colliderB.jLayer) &&
JMeshOverlap.AABBOverlap(boundsA, colliderB.meshFrame.AABB) &&
JMeshOverlap.MeshesOverlap(meshA, colliderB.meshFrame))
{
output.Add(colliderB);
}
}
}
}
return(output);
}
// Modifies completedCollisions by always trying to add the new collision pair to the list
private bool ShouldSkipCollisionCheck(JCollider colliderA, JCollider colliderB, HashSet <JCollisionPair> completedCollisions)
{
if (!JLayerMaskUtil.MaskCheck(JLayerMaskUtil.GetLayerMask(colliderA.jLayer), colliderB.jLayer))
{
return(true);
}
var collisionPair = new JCollisionPair(colliderA, colliderB);
if (!completedCollisions.Add(collisionPair)) // This is where the methods mutates completedCollisions
{
return(true);
}
var boundsA = colliderA.meshFrame.AABB;
var boundsB = colliderB.meshFrame.AABB;
if (!JMeshOverlap.AABBOverlap(boundsA, boundsB))
{
return(true);
}
var meshA = colliderA.meshFrame;
var meshB = colliderB.meshFrame;
if (!JMeshOverlap.MeshesOverlap(meshA, meshB))
{
return(true);
}
return(false);
}