public SpringBox(
double px,
double py,
double w,
double h,
out PhysicsObject[] objs)
{
// top left
p0 = new RectangleParticle(px - w / 2, py - h / 2, 1, 1);
// top right
p1 = new RectangleParticle(px + w / 2, py - h / 2, 1, 1);
// bottom right
p2 = new RectangleParticle(px + w / 2, py + h / 2, 1, 1);
// bottom left
p3 = new RectangleParticle(px - w / 2, py + h / 2, 1, 1);
p0.Visible = false;
p1.Visible = false;
p2.Visible = false;
p3.Visible = false;
objs = new PhysicsObject[10];
objs[0] = p0;
objs[1] = p1;
objs[2] = p2;
objs[3] = p3;
// edges
objs[4] = new SpringConstraint(p0, p1);
objs[5] = new SpringConstraint(p1, p2);
objs[6] = new SpringConstraint(p2, p3);
objs[7] = new SpringConstraint(p3, p0);
// crossing braces
objs[8] = new SpringConstraint(p0, p2);
objs[9] = new SpringConstraint(p1, p3);
}
public string GenerateCode(PhysicsObject po)
{
if (po is RectangleSurface)
{
RectangleSurface o = po as RectangleSurface;
return String.Format("{0} = Rectangle({1:g}, {2:g}, {3:g}, {4:g})", o.name, o.Center.X, o.Center.Y, o.Width, o.Height);
}
if (po is CircleSurface)
{
CircleSurface o = po as CircleSurface;
return String.Format("{0} = Circle({1:g}, {2:g}, {3:g})", o.name, o.Center.X, o.Center.Y, o.Radius);
}
if (po is LineSurface)
{
LineSurface o = po as LineSurface;
return String.Format("{0} = Line({1:g}, {2:g}, {3:g}, {4:g})", o.name, o.OP1.X, o.OP1.Y, o.OP2.X, o.OP2.Y);
}
throw new Exception("unsupported physics object");
}
public EditGizmo(Editor editor, Visual visual)
{
this.editor = editor;
this.editable = visual.source;
this.visual = visual;
System.IO.Stream s = this.GetType().Assembly.GetManifestResourceStream("SilverStunts.Gizmo.xaml");
content = this.InitializeFromXaml(new System.IO.StreamReader(s).ReadToEnd()) as Canvas;
content.Opacity = 0.5;
content.Background = Brushes.Gray;
visual.content.Children.Add(this);
}
//private void OnPropertyChanged( string propertyName )
//{
// if ( PropertyChanged != null ) PropertyChanged( this, new PropertyChangedEventArgs( propertyName ) );
//}
public void Remove(PhysicsObject o)
{
if (o is IParticle) { particles.Remove(o as IParticle); return; }
if (o is ISurface) { surfaces.Remove(o as ISurface); return; }
if (o is IConstraint) { constraints.Remove(o as IConstraint); return; }
throw new Exception("unknown physics object");
}
public Generic(PhysicsObject source, Visual.Family family, string selector)
{
_visual = new Visual(source, family, selector);
Born();
}
public Generic Add(PhysicsObject o, string selector)
{
Generic g = new Generic(o, Visual.Family.Bike, selector);
parts.Add(g);
return g;
}
public Generic Add(PhysicsObject o)
{
return Add(o, null);
}
public void Remove(PhysicsObject o)
{
foreach (Generic e in parts)
{
if (ReferenceEquals(e.visual.source, o))
{
e.Destroy();
parts.Remove(e);
return;
}
}
}
