private IRenderBatch GetRenderBatch(SceneObject sceneObject)
{
var batch = new DirectX9RenderBatch(_device, PrimitiveType.TriangleList);
var indices = sceneObject.Geometry.Triangles.SelectMany(t => new[] { t.A, t.B, t.C }).ToArray();
var vertices = sceneObject.Geometry.Vertices.Select(
v => new VertexPositionNormal { Position = new Vector3(v.ToArray()), Normal = Vector3.Zero }).ToArray();
ComputeVertexNormals(vertices, sceneObject.Geometry.Triangles);
batch.Record(indices, vertices);
return batch;
}
private void RenderSceneObject(SceneObject sceneObject)
{
IRenderBatch batch;
if (!_meshCache.TryGetValue(sceneObject, out batch))
{
batch = GetRenderBatch(sceneObject);
_meshCache[sceneObject] = batch;
}
batch.Render();
}
public static BVHNode CreateLeaf(SceneObject sceneObject, int firstTriangleIndex, ref BoundingBox bounds)
{
return new BVHNode(sceneObject, firstTriangleIndex, ref bounds);
}
private BVHNode(SceneObject sceneObject, int triangleIndexOrChildCount, ref BoundingBox bounds)
{
_bounds = bounds;
_triangleIndexOrChildCount = triangleIndexOrChildCount;
_sceneObject = sceneObject;
}
