protected override void Open()
{
dispose += DemoHelper.BasicDemoSetup(DemoInfo);
dispose += DemoHelper.CreateTank(DemoInfo, new Vector2D(50, 0));
Scene.Engine.AddLogic(new GravityField(new Vector2D(0, 1000), new Lifespan()));
DemoHelper.AddFloor(DemoInfo, new ALVector2D(0, new Vector2D(700, 750)));
IShape shape = ShapeFactory.CreateSprite(Cache <SurfacePolygons> .GetItem("block.png"), 3, 7, 4);
DemoHelper.AddPyramid(
DemoInfo, shape, 20,
new BoundingRectangle(300, 200, 900, 710),
5, 4);
Body ball = DemoHelper.AddCircle(DemoInfo, 80, 20, 4000, new ALVector2D(0, 1028, 272));// //AddShape(new CircleShape(80, 20), 4000, new ALVector2D(0, new Vector2D(1028, 272)));
}