public static CollisionMap GenerateMapFor(List <JCollider> bodies, int maxNumberOfElements, Bounds bounds)
{
var rootCollisionMap = new CollisionMap();
if (bodies.Count <= maxNumberOfElements || bounds.size.x <= MinBoundsWidth)
{
rootCollisionMap.bodies = new List <JCollider>(bodies);
rootCollisionMap.bounds = bounds;
}
else
{
var newXSize = bounds.size.x / 2;
var boundsChildA = new Bounds(
new Vector3(newXSize / 2 + bounds.min.x, 0, bounds.center.z),
new Vector3(newXSize, 0, bounds.size.z));
var boundsChildB = new Bounds(
new Vector3(newXSize / 2 + bounds.center.x, 0, bounds.center.z),
new Vector3(newXSize, 0, bounds.size.z));
List <JCollider> childABodies = new List <JCollider>();
List <JCollider> childBBodies = new List <JCollider>();
for (var i = 0; i < bodies.Count; i++)
{
var body = bodies[i];
if (JMeshOverlap.AABBOverlap(boundsChildA, body.meshFrame.AABB))
{
childABodies.Add(body);
}
if (JMeshOverlap.AABBOverlap(boundsChildB, body.meshFrame.AABB))
{
childBBodies.Add(body);
}
}
rootCollisionMap.subMaps = new List <CollisionMap>();
rootCollisionMap.subMaps.Add(GenerateMapFor(childABodies, maxNumberOfElements, boundsChildA));
rootCollisionMap.subMaps.Add(GenerateMapFor(childBBodies, maxNumberOfElements, boundsChildB));
}
return(rootCollisionMap);
}
void LateUpdate()
{
pushPairs.Clear();
collisionMapQueue.Clear();
var allActiveJColliders = JColliderContainer.INSTANCE.ActiveColliders();
var lengthAllActiveJColliders = allActiveJColliders.Count;
if (lengthAllActiveJColliders == 0)
{
return;
}
// Update bounds, vertices and normals for each collider based on their transform
for (int i = 0; i < lengthAllActiveJColliders; i++)
{
var collider = allActiveJColliders[i];
collider.meshFrame = JMesh.FromMeshAndTransform(collider.meshIdentity, collider.meshFilter.transform.localToWorldMatrix);
}
var completedCollisionsThisFrame = new HashSet <JCollisionPair>();
var collisionMap = CollisionMap.GenerateMapFor(allActiveJColliders, 4, CameraHelper.GetCameraWorldCoordinateBounds());
collisionMapQueue.Add(collisionMap);
while (collisionMapQueue.HasNext())
{
var currentCollisionMap = collisionMapQueue.Next();
if (currentCollisionMap.bodies != null)
{
DoCollisionChecks(currentCollisionMap.bodies, completedCollisionsThisFrame);
}
else
{
collisionMapQueue.Add(currentCollisionMap.subMaps);
}
}
enterStayExitManager.CompleteFrame();
}