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);
}
private void Push(JCollider pushable, JCollider pushingFrom, Vector3 pushDirection, float magnitude)
{
var centerDirection = pushable.meshFrame.AABB.center - pushingFrom.meshFrame.AABB.center;
var pushScalarDirection = Vector3.Dot(pushDirection, centerDirection);
pushScalarDirection /= Mathf.Abs(pushScalarDirection);
var actualPushDirection = pushDirection * pushScalarDirection;
var pushVector = actualPushDirection * magnitude;
pushable.transform.Translate(pushVector, Space.World);
pushPairs.Add(new JCollisionPushPair(pushable, pushingFrom, new Push(actualPushDirection, magnitude)));
}
private void HandlePushResult(Push pushResult, JCollider colliderA, JCollider colliderB)
{
if (colliderA.IsStationary || colliderB.IsStationary)
{
var pushable = colliderA.IsStationary ? colliderB : colliderA;
var nonPushable = colliderA.IsStationary ? colliderA : colliderB;
Push(pushable, nonPushable, pushResult.Direction, pushResult.Magnitude);
}
else
{
var halfMagnitude = pushResult.Magnitude / 2f;
Push(colliderA, colliderB, pushResult.Direction, halfMagnitude);
Push(colliderB, colliderA, pushResult.Direction, halfMagnitude);
}
}
public bool Remove(JCollider collider)
{
return(allCollidersInScene.Remove(collider));
}
public bool Add(JCollider collider)
{
return(allCollidersInScene.Add(collider));
}
public void OnJCollsionExit(JCollider otherCollider)
{
onExitHandler?.Invoke(this, otherCollider);
}
public void OnJCollisionEnter(JCollider otherCollider)
{
onEnterHandler?.Invoke(this, otherCollider);
}
public void OnJCollsionStay(JCollider otherCollider)
{
onStayHandler?.Invoke(this, otherCollider);
}