BEPUphysicsDrawer.Lines.SimulationIslandDrawer.Draw C# (CSharp) Метод

        public void Draw(Effect effect, Space space)
        {
            if (space.Entities.Count > 0)
            {
                BoundingBox box;
                foreach (var entity in space.Entities)
                {
                    var island = entity.ActivityInformation.SimulationIsland;
                    if (island != null)
                    {
                        if (islandBoundingBoxes.TryGetValue(island, out box))
                        {
                            box = BoundingBox.CreateMerged(entity.CollisionInformation.BoundingBox, box);
                            islandBoundingBoxes[island] = box;
                        }
                        else
                        {
                            islandBoundingBoxes.Add(island, entity.CollisionInformation.BoundingBox);
                        }
                    }
                }
                foreach (var islandBoundingBox in islandBoundingBoxes)
                {
                    Color colorToUse = islandBoundingBox.Key.IsActive ? Color.DarkGoldenrod : Color.DarkGray;
                    Vector3[] boundingBoxCorners = islandBoundingBox.Value.GetCorners();
                    boundingBoxLines.Add(new VertexPositionColor(boundingBoxCorners[0], colorToUse));
                    boundingBoxLines.Add(new VertexPositionColor(boundingBoxCorners[1], colorToUse));

                    boundingBoxLines.Add(new VertexPositionColor(boundingBoxCorners[0], colorToUse));
                    boundingBoxLines.Add(new VertexPositionColor(boundingBoxCorners[3], colorToUse));

                    boundingBoxLines.Add(new VertexPositionColor(boundingBoxCorners[0], colorToUse));
                    boundingBoxLines.Add(new VertexPositionColor(boundingBoxCorners[4], colorToUse));

                    boundingBoxLines.Add(new VertexPositionColor(boundingBoxCorners[1], colorToUse));
                    boundingBoxLines.Add(new VertexPositionColor(boundingBoxCorners[2], colorToUse));

                    boundingBoxLines.Add(new VertexPositionColor(boundingBoxCorners[1], colorToUse));
                    boundingBoxLines.Add(new VertexPositionColor(boundingBoxCorners[5], colorToUse));

                    boundingBoxLines.Add(new VertexPositionColor(boundingBoxCorners[2], colorToUse));
                    boundingBoxLines.Add(new VertexPositionColor(boundingBoxCorners[3], colorToUse));

                    boundingBoxLines.Add(new VertexPositionColor(boundingBoxCorners[2], colorToUse));
                    boundingBoxLines.Add(new VertexPositionColor(boundingBoxCorners[6], colorToUse));

                    boundingBoxLines.Add(new VertexPositionColor(boundingBoxCorners[3], colorToUse));
                    boundingBoxLines.Add(new VertexPositionColor(boundingBoxCorners[7], colorToUse));

                    boundingBoxLines.Add(new VertexPositionColor(boundingBoxCorners[4], colorToUse));
                    boundingBoxLines.Add(new VertexPositionColor(boundingBoxCorners[5], colorToUse));

                    boundingBoxLines.Add(new VertexPositionColor(boundingBoxCorners[4], colorToUse));
                    boundingBoxLines.Add(new VertexPositionColor(boundingBoxCorners[7], colorToUse));

                    boundingBoxLines.Add(new VertexPositionColor(boundingBoxCorners[5], colorToUse));
                    boundingBoxLines.Add(new VertexPositionColor(boundingBoxCorners[6], colorToUse));

                    boundingBoxLines.Add(new VertexPositionColor(boundingBoxCorners[6], colorToUse));
                    boundingBoxLines.Add(new VertexPositionColor(boundingBoxCorners[7], colorToUse));

                }

                if (space.DeactivationManager.SimulationIslands.Count > 0)
                    foreach (var pass in effect.CurrentTechnique.Passes)
                    {
                        pass.Apply();
                        game.GraphicsDevice.DrawUserPrimitives(PrimitiveType.LineList, boundingBoxLines.Elements, 0, islandBoundingBoxes.Count * 12);
                    }
                islandBoundingBoxes.Clear();
                boundingBoxLines.Clear();
            }
        }
    }