public void DestroyBody(Box2DBody box2DBody)
{
if (box2DBody == null)
{
return;
}
bodies.Remove(box2DBody);
world.DestroyBody(box2DBody);
}
public void EndContact(Contact contact)
{
Box2DBody bodyA = (Box2DBody)contact.FixtureA.UserData;
Box2DBody bodyB = (Box2DBody)contact.FixtureB.UserData;
if (bodyA != null)
{
bodyA.SendMessage("OnContactEnd", contact, SendMessageOptions.DontRequireReceiver);
}
if (bodyB != null)
{
bodyB.SendMessage("OnContactEnd", contact, SendMessageOptions.DontRequireReceiver);
}
}
void Update()
{
var ray = GetComponent <Camera>().ScreenPointToRay(Input.mousePosition);
float rayIntersect;
if (!plane.Raycast(ray, out rayIntersect))
{
return;
}
var pointOfInteresect = ray.GetPoint(rayIntersect);
if (Input.GetMouseButtonDown(0))
{
AABB aabb;
Vector2 nudge = new Vector2(0.001f, 0.001f);
aabb.LowerBound = (Vector2)pointOfInteresect - nudge;
aabb.UpperBound = (Vector2)pointOfInteresect + nudge;
Box2DBody body = Box2DWorld.Instance().QueryAABB(aabb);
if (body != null)
{
mouseJoint = body.gameObject.AddComponent <Box2DMouseJoint>();
mouseJoint.worldMousePosition = pointOfInteresect;
mouseJoint.force = force;
}
}
if (Input.GetMouseButton(0))
{
if (mouseJoint != null)
{
mouseJoint.worldMousePosition = pointOfInteresect;
}
}
if (Input.GetMouseButtonUp(0))
{
if (mouseJoint != null)
{
Destroy(mouseJoint);
mouseJoint = null;
}
}
}
public void PostSolve(Contact contact, ContactImpulse impulse)
{
Box2DBody bodyA = (Box2DBody)contact.FixtureA.UserData;
Box2DBody bodyB = (Box2DBody)contact.FixtureB.UserData;
PostContactPair args;
args.contact = contact;
args.impulse = impulse;
if (bodyA != null)
{
bodyA.SendMessage("OnPostContact", args, SendMessageOptions.DontRequireReceiver);
}
if (bodyB != null)
{
bodyB.SendMessage("OnPostContact", args, SendMessageOptions.DontRequireReceiver);
}
}
public void CreateBody(Box2DBody box2DBody, BodyDef bodyDef)
{
box2DBody.body = world.CreateBody(bodyDef);
bodies.Add(box2DBody);
}
