public override bool HitTest(CCPhysicsShape shapeA, CCPhysicsShape shapeB)
{
if (shapeA.GetGroup() == _group || shapeB.GetGroup() == _group)
{
return(true);
}
return(false);
}
/*
* @brief add a shape to body
* @param shape the shape to be added
* @param addMassAndMoment if this is true, the shape's mass and moment will be added to body. the default is true
*/
public virtual CCPhysicsShape AddShape(CCPhysicsShape shape, bool addMassAndMoment = true)
{
if (shape == null)
{
return(null);
}
// add shape to body
if (!_shapes.Exists((s) => s == shape))
{
shape.SetBody(this);
// calculate the area, mass, and desity
// area must update before mass, because the density changes depend on it.
if (addMassAndMoment)
{
_area += shape.GetArea();
AddMass(shape.GetMass());
AddMoment(shape.GetMoment());
}
if (_world != null)
{
_world.AddShape(shape);
}
_shapes.Add(shape);
if (_group != cp.NO_GROUP && shape.GetGroup() == cp.NO_GROUP)
{
shape.SetGroup(_group);
}
}
return(shape);
}
/*
* @brief add a shape to body
* @param shape the shape to be added
* @param addMassAndMoment if this is true, the shape's mass and moment will be added to body. the default is true
*/
public virtual CCPhysicsShape AddShape(CCPhysicsShape shape, bool addMassAndMoment = true)
{
if (shape == null) return null;
// add shape to body
if (!_shapes.Exists((s) => s == shape))
{
shape.SetBody(this);
// calculate the area, mass, and desity
// area must update before mass, because the density changes depend on it.
if (addMassAndMoment)
{
_area += shape.GetArea();
AddMass(shape.GetMass());
AddMoment(shape.GetMoment());
}
if (_world != null)
{
_world.AddShape(shape);
}
_shapes.Add(shape);
if (_group != cp.NO_GROUP && shape.GetGroup() == cp.NO_GROUP)
{
shape.SetGroup(_group);
}
}
return shape;
}
public override bool HitTest(CCPhysicsShape shapeA, CCPhysicsShape shapeB)
{
if (shapeA.GetGroup() == _group || shapeB.GetGroup() == _group)
{
return true;
}
return false;
}
//public void Draw()
//{
// if (DebugDrawMask != cpDrawFlags.None)
// {
// _debugDraw.Begin();
// _info.getSpace().DrawDebugData();
// _debugDraw.End();
// }
//}
//public virtual void DebugDraw()
//{
// if (_debugDraw == null)
// {
// _debugDraw = new PhysicsDebugDraw(this);
// }
// if (_debugDraw != null && _bodies.Count > 0)
// {
// if (_debugDraw.Begin())
// {
// if (DebugDrawMask == cpDrawFlags.ALL || DebugDrawMask == cpDrawFlags.Shape)
// {
// foreach (CCPhysicsBody body in _bodies)
// {
// if (!body.IsEnabled())
// {
// continue;
// }
// foreach (CCPhysicsShape shape in body.GetShapes())
// {
// _debugDraw.DrawShape(shape);
// }
// }
// }
// if (DebugDrawMask == cpDrawFlags.ALL || DebugDrawMask == cpDrawFlags.Joint)
// {
// foreach (CCPhysicsJoint joint in _joints)
// {
// _debugDraw.DrawJoint(joint);
// }
// }
// _debugDraw.End();
// }
// }
//}
public virtual bool CollisionBeginCallback(CCPhysicsContact contact)
{
bool ret = true;
CCPhysicsShape shapeA = contact.GetShapeA();
CCPhysicsShape shapeB = contact.GetShapeB();
CCPhysicsBody bodyA = shapeA.GetBody();
CCPhysicsBody bodyB = shapeB.GetBody();
List <CCPhysicsJoint> jointsA = bodyA.GetJoints();
// check the joint is collision enable or not
foreach (CCPhysicsJoint joint in jointsA)
{
if (!_joints.Exists(j => j == joint))
{
continue;
}
if (!joint.IsCollisionEnabled())
{
CCPhysicsBody body = joint.GetBodyA() == bodyA?joint.GetBodyB() : joint.GetBodyA();
if (body == bodyB)
{
contact.SetNotificationEnable(false);
return(false);
}
}
}
// bitmask check
if ((shapeA.GetCategoryBitmask() & shapeB.GetContactTestBitmask()) == 0 ||
(shapeA.GetContactTestBitmask() & shapeB.GetCategoryBitmask()) == 0)
{
contact.SetNotificationEnable(false);
}
if (shapeA.GetGroup() != 0 && shapeA.GetGroup() == shapeB.GetGroup())
{
ret = shapeA.GetGroup() > 0;
}
else
{
if ((shapeA.GetCategoryBitmask() & shapeB.GetCollisionBitmask()) == 0 ||
(shapeB.GetCategoryBitmask() & shapeA.GetCollisionBitmask()) == 0)
{
ret = false;
}
}
if (contact.IsNotificationEnabled())
{
contact.SetEventCode(EventCode.BEGIN);
contact.SetWorld(this);
_scene.DispatchEvent(contact);
}
return(ret ? contact.ResetResult() : false);
}
