protected override void OnCreateManager( )
{
base.OnCreateManager( );
// Test bounds
// Many bounds, to many octrees
// Where each bounds has one entity target.
// Results return, weather collision with an instance occured.
// Toggle manually only one example systems at the time
if (!(ExampleSelector.selector == Selector.IsBoundsCollidingSystem_Bounds2Octree))
{
return; // Early exit
}
Debug.Log("Start Test Is Bounds Colliding Octree System");
// ***** Initialize Octree ***** //
// Create new octree
// See arguments details (names) of _CreateNewOctree and coresponding octree readme file.
EntityCommandBuffer ecb = barrier.CreateCommandBuffer();
Entity newOctreeEntity = EntityManager.CreateEntity( );
AddNewOctreeSystem._CreateNewOctree(ecb, newOctreeEntity, 8, float3.zero, 1, 1, 1);
EntityManager.AddComponent(newOctreeEntity, typeof(IsBoundsCollidingTag));
// Assign target bounds entity, to octree entity
Entity octreeEntity = newOctreeEntity;
// ***** Example Components To Add / Remove Instance ***** //
// Example of adding and removing some instanceses, hence entity blocks.
// Add
int i_instances2AddCount = ExampleSelector.i_generateInstanceInOctreeCount; // Example of x octrees instances. // 100
NativeArray <Entity> a_instanceEntities = Common._CreateInstencesArray(EntityManager, i_instances2AddCount);
// Request to add n instances.
// User is responsible to ensure, that instances IDs are unique in the octrtree.
EntityManager.AddBuffer <AddInstanceBufferElement> (octreeEntity); // Once system executed and instances were added, buffer will be deleted.
BufferFromEntity <AddInstanceBufferElement> addInstanceBufferElement = GetBufferFromEntity <AddInstanceBufferElement> ();
Common._RequesAddInstances(ecb, octreeEntity, addInstanceBufferElement, ref a_instanceEntities, i_instances2AddCount);
// Remove
EntityManager.AddBuffer <RemoveInstanceBufferElement> (octreeEntity); // Once system executed and instances were removed, component will be deleted.
BufferFromEntity <RemoveInstanceBufferElement> removeInstanceBufferElement = GetBufferFromEntity <RemoveInstanceBufferElement> ();
// Request to remove some instances
// Se inside method, for details
int i_instances2RemoveCount = ExampleSelector.i_deleteInstanceInOctreeCount = 53; // Example of x octrees instances / entities to delete. // 53
Common._RequestRemoveInstances(ecb, octreeEntity, removeInstanceBufferElement, ref a_instanceEntities, i_instances2RemoveCount);
// Ensure example array is disposed.
a_instanceEntities.Dispose();
// ***** Example Bounds Components For Collision Checks ***** //
Debug.Log("Octree: create dummy boundary box, to test for collision.");
float3 f3_blockCenter = new float3(10, 2, 10);
// Only test
Blocks.PublicMethods._AddBlockRequestViaCustomBufferWithEntity(ecb, EntityManager.CreateEntity(), f3_blockCenter, new float3(1, 1, 1) * 5);
// Create test bounds
// Many bounds, to many octrees
// Where each bounds has one octree entity target.
for (int i = 0; i < 10; i++)
{
ecb.CreateEntity( ); // Check bounds collision with octree and return colliding instances.
ecb.AddComponent(new IsActiveTag());
ecb.AddComponent(new IsBoundsCollidingTag());
// This may be overritten by, other system. Check corresponding collision check system.
ecb.AddComponent(new BoundsData()
{
bounds = new Bounds()
{
center = float3.zero, size = new float3(5, 5, 5)
}
});
// Check bounds collision with octree and return colliding instances.
ecb.AddComponent(new OctreeEntityPair4CollisionData()
{
octree2CheckEntity = newOctreeEntity
});
ecb.AddComponent(new IsCollidingData()); // Check bounds collision with octree and return colliding instances.
// ecb.AddBuffer <CollisionInstancesBufferElement> () ; // Not required in this system
} // for
}
protected override void OnCreateManager( )
{
base.OnCreateManager( );
// Test octrees
// Many octrees, to ray pair
// Where each octree has one ray entity target.
// Results return, weather collision with an instance occured.
// Toggle manually only one example systems at the time
if (!(ExampleSelector.selector == Selector.IsRayCollidingSystem_Octrees2Ray))
{
return; // Early exit
}
Debug.Log("Start Test Is Ray Colliding Octree System");
// Create new octree
// See arguments details (names) of _CreateNewOctree and coresponding octree readme file.
EntityCommandBuffer ecb = barrier.CreateCommandBuffer();
// Many octrees, to single, or many rays
// Where each octree has one ray entity target.
// ***** Example Ray Components For Collision Checks ***** //
// Test ray entity
// for each octree
Entity rayEntity = EntityManager.CreateEntity();
EntityManager.AddComponentData(rayEntity, new IsActiveTag());
EntityManager.AddComponentData(rayEntity, new RayData());
EntityManager.AddComponentData(rayEntity, new RayMaxDistanceData()
{
f = 100f
});
// ***** Initialize Octree ***** //
int i_octreesCount = ExampleSelector.i_generateInstanceInOctreeCount; // Example of x octrees instances. // 1000
for (int i_octreeEntityIndex = 0; i_octreeEntityIndex < i_octreesCount; i_octreeEntityIndex++)
{
ecb = barrier.CreateCommandBuffer();
Entity newOctreeEntity = EntityManager.CreateEntity( );
AddNewOctreeSystem._CreateNewOctree(ecb, newOctreeEntity, 8, float3.zero - new float3(1, 1, 1) * 0.5f, 1, 1.01f, 1);
EntityManager.AddComponent(newOctreeEntity, typeof(IsRayCollidingTag));
EntityManager.AddComponentData(newOctreeEntity, new IsCollidingData()); // Check bounds collision with octree and return colliding instances.
EntityManager.AddBuffer <CollisionInstancesBufferElement> (newOctreeEntity);
// Assign target ray entity, to octree entity
Entity octreeEntity = newOctreeEntity;
// Check bounds collision with octree and return colliding instances.
EntityManager.AddComponentData(octreeEntity, new RayEntityPair4CollisionData()
{
ray2CheckEntity = rayEntity
});
// ***** Example Components To Add / Remove Instance ***** //
// Example of adding and removing some instanceses, hence entity blocks.
// Add
int i_instances2AddCount = 100;
NativeArray <Entity> a_instanceEntities = Common._CreateInstencesArray(EntityManager, i_instances2AddCount);
// Request to add n instances.
// User is responsible to ensure, that instances IDs are unique in the octrtree.
EntityManager.AddBuffer <AddInstanceBufferElement> (octreeEntity); // Once system executed and instances were added, buffer will be deleted.
BufferFromEntity <AddInstanceBufferElement> addInstanceBufferElement = GetBufferFromEntity <AddInstanceBufferElement> ();
Common._RequesAddInstances(ecb, octreeEntity, addInstanceBufferElement, ref a_instanceEntities, i_instances2AddCount);
// Remove
EntityManager.AddBuffer <RemoveInstanceBufferElement> (octreeEntity); // Once system executed and instances were removed, component will be deleted.
BufferFromEntity <RemoveInstanceBufferElement> removeInstanceBufferElement = GetBufferFromEntity <RemoveInstanceBufferElement> ();
// Request to remove some instances
// Se inside method, for details
int i_instances2RemoveCount = ExampleSelector.i_deleteInstanceInOctreeCount; // Example of x octrees instances / entities to delete. // 53
Common._RequestRemoveInstances(ecb, octreeEntity, removeInstanceBufferElement, ref a_instanceEntities, i_instances2RemoveCount);
// Ensure example array is disposed.
a_instanceEntities.Dispose();
} // for
}