public void Execute(int i_arrayIndex)
            {
                Entity octreeRootNodeEntity = a_collisionChecksEntities [i_arrayIndex];


                // Its value should be 0, if no collision is detected.
                // And >= 1, if instance collision is detected, or there is more than one collision,
                // indicating number of collisions.
                IsCollidingData isCollidingData = a_isCollidingData [octreeRootNodeEntity];


                isCollidingData.i_nearestInstanceCollisionIndex = 0;
                isCollidingData.f_nearestDistance = float.PositiveInfinity;

                isCollidingData.i_collisionsCount = 0;                // Reset colliding instances counter.


                RootNodeData octreeRootNodeData = a_octreeRootNodeData [octreeRootNodeEntity];

                DynamicBuffer <NodeBufferElement> a_nodesBuffer = nodeBufferElement [octreeRootNodeEntity];
                DynamicBuffer <NodeInstancesIndexBufferElement> a_nodeInstancesIndexBuffer = nodeInstancesIndexBufferElement [octreeRootNodeEntity];
                DynamicBuffer <NodeChildrenBufferElement>       a_nodeChildrenBuffer       = nodeChildrenBufferElement [octreeRootNodeEntity];
                DynamicBuffer <InstanceBufferElement>           a_instanceBuffer           = instanceBufferElement [octreeRootNodeEntity];


                BoundsEntityPair4CollisionData rayEntityPair4CollisionData = a_boundsEntityPair4CollisionData [octreeRootNodeEntity];

                // Ray entity pair, for collision checks

                Entity bounds2CheckEntity = rayEntityPair4CollisionData.bounds2CheckEntity;


                // Is target octree active
                if (a_isActiveTag.Exists(bounds2CheckEntity))
                {
                    BoundsData checkBounds = a_boundsData [bounds2CheckEntity];


                    // To even allow instances collision checks, octree must have at least one instance.
                    if (octreeRootNodeData.i_totalInstancesCountInTree > 0)
                    {
                        if (IsBoundsColliding_Common._IsNodeColliding(octreeRootNodeData, octreeRootNodeData.i_rootNodeIndex, checkBounds.bounds, ref isCollidingData, a_nodesBuffer, a_nodeChildrenBuffer, a_nodeInstancesIndexBuffer, a_instanceBuffer))
                        {
                            /*
                             * // Debug
                             * Debug.Log ( "Is colliding." ) ;
                             */
                        }
                    }
                }

                a_isCollidingData [octreeRootNodeEntity] = isCollidingData;  // Set back.
            }
Пример #2
0
        protected override JobHandle OnUpdate(JobHandle inputDeps)
        {
            EntityArray a_collisionChecksEntities = group.GetEntityArray();
            ComponentDataFromEntity <OctreeEntityPair4CollisionData> a_octreeEntityPair4CollisionData = GetComponentDataFromEntity <OctreeEntityPair4CollisionData> ();
            ComponentDataFromEntity <BoundsData> a_boundsData = GetComponentDataFromEntity <BoundsData> ();

            ComponentDataFromEntity <IsCollidingData> a_isCollidingData = GetComponentDataFromEntity <IsCollidingData> ();


            ComponentDataFromEntity <IsActiveTag> a_isActiveTag = GetComponentDataFromEntity <IsActiveTag> ();


            // Octree entity pair, for collision checks

            ComponentDataFromEntity <RootNodeData> a_octreeRootNodeData = GetComponentDataFromEntity <RootNodeData> ();

            BufferFromEntity <NodeBufferElement> nodeBufferElement = GetBufferFromEntity <NodeBufferElement> ();
            BufferFromEntity <NodeInstancesIndexBufferElement> nodeInstancesIndexBufferElement = GetBufferFromEntity <NodeInstancesIndexBufferElement> ();
            BufferFromEntity <NodeChildrenBufferElement>       nodeChildrenBufferElement       = GetBufferFromEntity <NodeChildrenBufferElement> ();
            BufferFromEntity <InstanceBufferElement>           instanceBufferElement           = GetBufferFromEntity <InstanceBufferElement> ();


            // Test bounds
            // Debug
            // ! Ensure test this only with single, or at most few ray entiities.
            IsBoundsColliding_Common._DebugBounds(a_collisionChecksEntities, a_isCollidingData, false);



            // Test bounds
            Bounds checkBounds = new Bounds()
            {
                center = new float3(10, 2, 10),
                size   = new float3(1, 1, 1) * 5  // Total size of boundry
            };


            int i_groupLength = group.CalculateLength();

            var setBoundsTestJob = new SetBoundsTestJob
            {
                a_collisionChecksEntities = a_collisionChecksEntities,

                checkBounds  = checkBounds,
                a_boundsData = a_boundsData,
            }.Schedule(i_groupLength, 8, inputDeps);

            var job = new Job
            {
                //ecb                                 = ecb,
                a_collisionChecksEntities = a_collisionChecksEntities,

                a_octreeEntityPair4CollisionData = a_octreeEntityPair4CollisionData,
                a_boundsData      = a_boundsData,
                a_isCollidingData = a_isCollidingData,



                // Octree entity pair, for collision checks

                a_isActiveTag = a_isActiveTag,

                a_octreeRootNodeData = a_octreeRootNodeData,

                nodeBufferElement = nodeBufferElement,
                nodeInstancesIndexBufferElement = nodeInstancesIndexBufferElement,
                nodeChildrenBufferElement       = nodeChildrenBufferElement,
                instanceBufferElement           = instanceBufferElement
            }.Schedule(i_groupLength, 8, setBoundsTestJob);

            return(job);
        }