package org.papervision3d.core.culling { import org.papervision3d.core.geom.renderables.Triangle3D; import org.papervision3d.core.geom.renderables.Vertex3DInstance; public interface ITriangleCuller { function testFace(face3D:Triangle3D, vertex0:Vertex3DInstance, vertex1:Vertex3DInstance, vertex2:Vertex3DInstance):Boolean; } }