public override float ReportFixture(b2Fixture fixture, b2Vec2 point, b2Vec2 normal, float fraction)
{
if ((fixture.GetFilterData().categoryBits & _CollisionMask) == 0)
{
return(-1f);
}
ICollider collider = _Physics2DControl.GetPhysicsObject(fixture.GetBody().GetUserData().data).GetCollider(fixture.GetUserData().data);
return(_Callback.Invoke(collider, point.ToVector2(), normal.ToVector2(), fraction));
}
public override bool ReportFixture(b2Fixture fixture)
{
if ((fixture.GetFilterData().categoryBits & _CollisionMask) == 0)
{
return(true);
}
ICollider collider = _Physics2DControl.GetPhysicsObject(fixture.GetBody().GetUserData().data).GetCollider(fixture.GetUserData().data);
return(_Callback.Invoke(collider));
}
public override float ReportFixture(b2Fixture fixture, b2Vec2 point, b2Vec2 normal, float fraction)
{
if ((fixture.GetFilterData().categoryBits & 1) == 0)
{
return(1);
}
P2 = point;
Fraction = fraction;
return(0);
}
/// Return true if contact calculations should be performed between these two shapes.
/// @warning for performance reasons this is only called when the AABBs begin to overlap.
// Return true if contact calculations should be performed between these two shapes.
// If you implement your own collision filter you may want to build from this implementation.
public virtual bool ShouldCollide(b2Fixture fixtureA, b2Fixture fixtureB)
{
b2Filter filterA = fixtureA.GetFilterData();
b2Filter filterB = fixtureB.GetFilterData();
if (filterA.groupIndex == filterB.groupIndex && filterA.groupIndex != 0)
{
return(filterA.groupIndex > 0);
}
bool collide = (filterA.maskBits & filterB.categoryBits) != 0 && (filterA.categoryBits & filterB.maskBits) != 0;
return(collide);
}
