protected override void Init(World world)
{
this.world = world;
Body body1 = new StaticBody("Ground1", new Box(400.0f, 20.0f));
body1.SetPosition(250.0f, 400);
body1.Friction = 1;
world.Add(body1);
for (int y = 0; y < 5; y++)
{
int xbase = 250 - (y * 21);
for (int x = 0; x < y + 1; x++)
{
DynamicShape shape = new Box(40, 40);
if ((x == 1) && (y == 2))
{
shape = new Circle(19);
}
if ((x == 1) && (y == 4))
{
shape = new Circle(19);
}
if ((x == 3) && (y == 4))
{
shape = new Circle(19);
}
Body body2 = new Body("Mover1", shape, 100.0f);
body2.SetPosition(xbase + (x * 42), y * 45);
world.Add(body2);
}
}
}
/// <summary> Creates a collider for a Box and a Shape.
/// The choice is based on the kind of Shape that is provided
///
/// </summary>
/// <param name="shapeA">The box to provide a collider for
/// </param>
/// <param name="shapeB">The shape to provide a collider for
/// </param>
/// <returns> a suitable collider
/// </returns>
/// <throws> ColliderUnavailableException </throws>
/// <summary> This exception will be thrown if no suitable collider can be found.
/// </summary>
public virtual Collider CreateColliderFor(Box shapeA, Shape shapeB)
{
if (shapeB is Circle)
{
return new BoxCircleCollider();
}
else if (shapeB is Box)
{
return new BoxBoxCollider();
}
else if (shapeB is Line)
{
return new SwapCollider(new LineBoxCollider());
}
else if (shapeB is Polygon)
{
return new SwapCollider(new PolygonBoxCollider());
}
throw new ColliderUnavailableException(shapeA, shapeB);
}
protected override void DrawBoxBody(Body body, Box box)
{
FrameworkElement e = body.UserData as FrameworkElement;
if (e == null)
{
e = new VisualBox(box.Size, imagePath);
canvas.Children.Add(e);
body.UserData = e;
}
ROVector2f pos = body.GetPosition();
if(Single.IsNaN(pos.X) || Single.IsNaN(pos.Y)) return;
UpdateElementPosition(e, Convert.ToInt32(pos.X), Convert.ToInt32(pos.Y), box.Size);
ApplyRotationToElement(e,box.Size.X,box.Size.Y,RadToDeg(body.Rotation));
}
protected virtual void DrawBoxBody(Body body, Box box)
{
System.Windows.Shapes.Polygon poly = body.UserData as System.Windows.Shapes.Polygon;
ROVector2f[] points = box.GetPoints(body.GetPosition(), body.Rotation);
if (poly == null)
{
poly = new System.Windows.Shapes.Polygon();
poly.StrokeThickness = 1;
poly.Stroke = new SolidColorBrush(Colors.Yellow);
PointCollection pts = new PointCollection();
pts.Add(new Point(points[0].X, points[0].Y));
pts.Add(new Point(points[1].X, points[1].Y));
pts.Add(new Point(points[2].X, points[2].Y));
pts.Add(new Point(points[3].X, points[3].Y));
poly.Points = pts;
canvas.Children.Add(poly);
body.UserData = poly;
}
else
{
PointCollection pts = new PointCollection();
pts.Add(new Point(points[0].X, points[0].Y));
pts.Add(new Point(points[1].X, points[1].Y));
pts.Add(new Point(points[2].X, points[2].Y));
pts.Add(new Point(points[3].X, points[3].Y));
poly.Points = pts;
}
}