protected override void Update(Microsoft.Xna.Framework.GameTime gameTime)
{
MouseState ms = Mouse.GetState();
Vector2 position = camera.ConvertScreenToWorld(new Vector2(ms.X, ms.Y), true, false);
if (ms.LeftButton == ButtonState.Pressed && _fixedMouseJoint == null)
{
Fixture savedFixture = world.World.TestPoint(position);
if (savedFixture != null)
{
Body body = savedFixture.Body;
_fixedMouseJoint = new FixedMouseJoint(body, position);
_fixedMouseJoint.MaxForce = 1000.0f * body.Mass;
world.World.AddJoint(_fixedMouseJoint);
body.Awake = true;
}
}
if (ms.LeftButton == ButtonState.Released && _fixedMouseJoint != null)
{
world.World.RemoveJoint(_fixedMouseJoint);
_fixedMouseJoint = null;
}
if (_fixedMouseJoint != null)
{
_fixedMouseJoint.WorldAnchorB = position;
}
}
protected override void Update(Microsoft.Xna.Framework.GameTime gameTime)
{
// Process touch events
TouchCollection touchCollection = TouchPanel.GetState();
if (touchCollection.Count > 0)
{
TouchLocation tl = touchCollection[0];
Vector2 position = camera.ConvertScreenToWorld(new Vector2(tl.Position.X,
tl.Position.Y), true, false);
if (tl.State == TouchLocationState.Pressed && _fixedMouseJoint == null)
{
Fixture savedFixture = world.World.TestPoint(position);
if (savedFixture != null)
{
Body body = savedFixture.Body;
_fixedMouseJoint = new FixedMouseJoint(body, position);
_fixedMouseJoint.MaxForce = 1000.0f * body.Mass;
world.World.AddJoint(_fixedMouseJoint);
body.Awake = true;
}
}
if (tl.State == TouchLocationState.Released && _fixedMouseJoint != null)
{
world.World.RemoveJoint(_fixedMouseJoint);
_fixedMouseJoint = null;
}
if (_fixedMouseJoint != null)
{
_fixedMouseJoint.WorldAnchorB = position;
}
}
}
