protected override void Open()
{
Scene.IsPaused = true;
List <Body> bodies = new List <Body>();
Body b = DemoHelper.AddLine(DemoInfo, new Vector2D(300, 200), new Vector2D(400, 200), 40, Scalar.PositiveInfinity);
b.IgnoresPhysicsLogics = true;
bodies.Add(b);
Body b2 = DemoHelper.AddCircle(DemoInfo, 20, 40, Scalar.PositiveInfinity, new ALVector2D(0, 300, 100));
b2.IgnoresPhysicsLogics = true;
bodies.Add(b2);
Body b3 = DemoHelper.AddCircle(DemoInfo, 20, 40, 50, new ALVector2D(0, 100, 100));
bodies.Add(b3);
Body b4 = DemoHelper.AddRectangle(DemoInfo, 20, 20, 20, new ALVector2D(0, 150, 150));
bodies.Add(b4);
dispose += RegisterDup(DemoInfo, bodies);
DemoHelper.AddShell(DemoInfo, new BoundingRectangle(0, 0, 200, 200), 10, Scalar.PositiveInfinity).ForEach(delegate(Body sb) { sb.IgnoresPhysicsLogics = true; });
Body bStart = DemoHelper.AddShape(DemoInfo, ShapeFactory.CreateSprite(Cache <SurfacePolygons> .GetItem("start.png"), 2, 16, 3), Scalar.PositiveInfinity, new ALVector2D(0, 100, 650));
// Body bStart = DemoHelper.AddLine(DemoInfo, new Vector2D(10, 600), new Vector2D(100, 600), 40, Scalar.PositiveInfinity);
bStart.IgnoresPhysicsLogics = true;
Body bStop = DemoHelper.AddShape(DemoInfo, ShapeFactory.CreateSprite(Cache <SurfacePolygons> .GetItem("stop.png"), 2, 16, 3), Scalar.PositiveInfinity, new ALVector2D(0, 100, 700));
//Body bEnd = DemoHelper.AddLine(DemoInfo, new Vector2D(10, 700), new Vector2D(100, 700), 40, Scalar.PositiveInfinity);
bStop.IgnoresPhysicsLogics = true;
Scene.Engine.AddLogic(new GravityField(new Vector2D(0, 1000), new Lifespan()));
dispose += DemoHelper.RegisterClick(DemoInfo, bStart, MouseButton.PrimaryButton,
delegate(object sender, EventArgs e)
{
Scene.IsPaused = false;
});
dispose += DemoHelper.RegisterClick(DemoInfo, bStop, MouseButton.PrimaryButton,
delegate(object sender, EventArgs e)
{
Scene.IsPaused = true;
});
}