public static Prism getPrismFromBlobs(BlobManager blob1, BlobManager blob2)
{
/*
returns a Prism that just barely contains all of blob1 and blob2
*/
Prism p1 = blob1.genPrism ();
Prism p2 = blob2.genPrism ();
int i = Mathf.Min (p1.x, p2.x);
int j = Mathf.Min (p1.y, p2.y);
int k = Mathf.Min (p1.z, p2.z);
int iCorner = Mathf.Max (p1.x + p1.width, p2.x + p2.width);
int jCorner = Mathf.Max (p1.y + p1.height, p2.y + p2.height);
int kCorner = Mathf.Max (p1.z + p1.depth, p2.z + p2.depth);
int width = iCorner - i;
int height = jCorner - j;
int depth = kCorner - k;
return new Prism (i, j, k, width, height, depth);
}
private void setStart()
{
//only one collisionManager should be in progress at the same time for the whole scene
isStarted = true;
blobs = new ArrayList ();
if (blobName1 == "main blob")
blobName1 = worldManager.getMainBlobName ();
blob1 = (BlobManager)worldManager.blobs [blobName1];
blob2 = (BlobManager)worldManager.blobs [blobName2];
blob1.setName (true);
blob2.setName (true);
if (newBlobManager != null)
newBlobManager.setName (true);
blobs.Add (blob2);
if (isBlob2InsideBlob1) {
//case: when blob2 collided with blob1, it was completely within blob1 bounds
//Debug.Log ("inside collision");
newBlobManager = blob1;
iterPrism = blob2.genPrism ();
combinedPrism = blob1.getPrism ();
iterOffset = new IntVector3 (iterPrism.x - combinedPrism.x, iterPrism.y - combinedPrism.y, iterPrism.z - combinedPrism.z);
//ZTools.show ("combinedPrism ", combinedPrism);
newMapData = blob1.mapData;
newVoxelGrid = blob1.voxels;
newContagiousList = blob1.getContagiousList ();
} else {
//case: blob2 hit the outside of blob1. newblob bounds must become larger
//Debug.Log ("outside collision");
blobs.Add (blob1);
iterPrism = getPrismFromBlobs (blob1, blob2);
iterOffset = new IntVector3 (0, 0, 0);
combinedPrism = iterPrism;
newMapData = new int[iterPrism.width, iterPrism.height, iterPrism.depth];
newVoxelGrid = new GameObject[iterPrism.width, iterPrism.height, iterPrism.depth];
newContagiousList = new ArrayList ();
newBlobManager.gameObject.transform.position = new Vector3 (iterPrism.x, iterPrism.y, iterPrism.z);
}
//ZTools.show("combined prism",combinedPrism);
}