Ejemplo n.º 1
0
        public void Execute(int i)
        {
            int     halfLength   = BVHArray.Length / 2;
            int     leafNodeId   = halfLength + i;
            BVHAABB leafNodeAABB = BVHArray[leafNodeId].aabb;
            int     parentIndex  = BVHArray[leafNodeId].ParentNodeIndex;

            while (parentIndex != -1)
            {
                //todo locks!
                BVHNode parent = BVHArray[parentIndex];
                if (parent.IsValid < 1)
                {
                    parent.aabb           = leafNodeAABB;
                    parent.IsValid        = 1;
                    BVHArray[parentIndex] = parent;
                    break;
                }
                else
                {
                    parent.aabb           = Utils.GetEncompassingAABB(parent.aabb, leafNodeAABB);
                    parent.IsValid        = 2;
                    BVHArray[parentIndex] = parent;
                }
                leafNodeAABB = parent.aabb;
                parentIndex  = parent.ParentNodeIndex;
            }
        }
Ejemplo n.º 2
0
        public void Execute()
        {
            BVHAABB startAABB = results[0];

            for (int i = 1; i < results.Length; i++)
            {
                startAABB = Utils.GetEncompassingAABB(startAABB, results[i]);
            }

            results[0] = startAABB;
        }
Ejemplo n.º 3
0
        public void Execute(int i)
        {
            int     start     = i * batchSize;
            int     end       = (i + 1) * batchSize > AABB.Length ? AABB.Length : (i + 1) * batchSize;
            BVHAABB startAABB = AABB[start];

            for (int k = start + 1; k < end; k++)
            {
                startAABB = Utils.GetEncompassingAABB(startAABB, AABB[k]);
            }
            results[i] = startAABB;
        }
Ejemplo n.º 4
0
        public void SerialExecute(int i)
        {
            int     halfLength   = BVHArray.Length / 2;
            int     leafNodeId   = halfLength + i;
            BVHAABB leafNodeAABB = BVHArray[leafNodeId].aabb;
            int     parentIndex  = BVHArray[leafNodeId].ParentNodeIndex;

            while (parentIndex != -1)
            {
                BVHNode parent = BVHArray[parentIndex];
                if (parent.IsValid == 0)
                {
                    parent.aabb           = leafNodeAABB;
                    parent.IsValid        = 1;
                    BVHArray[parentIndex] = parent;
                }
                parent.aabb           = Utils.GetEncompassingAABB(parent.aabb, leafNodeAABB);
                parent.IsValid        = 2;
                BVHArray[parentIndex] = parent;
                leafNodeAABB          = parent.aabb;
                parentIndex           = parent.ParentNodeIndex;
            }
        }