public void DrawJoint(b2Joint joint)
{
b2Body bodyA = joint.GetBodyA();
b2Body bodyB = joint.GetBodyB();
b2Transform xf1 = bodyA.Transform;
b2Transform xf2 = bodyB.Transform;
b2Vec2 x1 = xf1.p;
b2Vec2 x2 = xf2.p;
b2Vec2 p1 = joint.GetAnchorA();
b2Vec2 p2 = joint.GetAnchorB();
b2Color color = new b2Color(0.5f, 0.8f, 0.8f);
switch (joint.JointType)
{
case b2JointType.e_distanceJoint:
m_debugDraw.DrawSegment(p1, p2, color);
break;
case b2JointType.e_pulleyJoint:
{
b2PulleyJoint pulley = (b2PulleyJoint)joint;
b2Vec2 s1 = pulley.GetGroundAnchorA();
b2Vec2 s2 = pulley.GetGroundAnchorB();
m_debugDraw.DrawSegment(s1, p1, color);
m_debugDraw.DrawSegment(s2, p2, color);
m_debugDraw.DrawSegment(s1, s2, color);
}
break;
case b2JointType.e_mouseJoint:
// don't draw this
break;
default:
m_debugDraw.DrawSegment(x1, p1, color);
m_debugDraw.DrawSegment(p1, p2, color);
m_debugDraw.DrawSegment(x2, p2, color);
}
}
internal static b2Joint Create(b2JointDef def)
{
b2Joint joint = null;
switch (def.type)
{
case b2JointType.e_distanceJoint:
{
joint = new b2DistanceJoint((b2DistanceJointDef)def);
}
break;
case b2JointType.e_mouseJoint:
{
joint = new b2MouseJoint((b2MouseJointDef)def);
}
break;
case b2JointType.e_prismaticJoint:
{
joint = new b2PrismaticJoint((b2PrismaticJointDef)def);
}
break;
case b2JointType.e_revoluteJoint:
{
joint = new b2RevoluteJoint((b2RevoluteJointDef)def);
}
break;
case b2JointType.e_pulleyJoint:
{
joint = new b2PulleyJoint((b2PulleyJointDef)def);
}
break;
case b2JointType.e_gearJoint:
{
joint = new b2GearJoint((b2GearJointDef)def);
}
break;
case b2JointType.e_wheelJoint:
{
joint = new b2WheelJoint((b2WheelJointDef)def);
}
break;
case b2JointType.e_weldJoint:
{
joint = new b2WeldJoint((b2WeldJointDef)def);
}
break;
case b2JointType.e_frictionJoint:
{
joint = new b2FrictionJoint((b2FrictionJointDef)def);
}
break;
case b2JointType.e_ropeJoint:
{
joint = new b2RopeJoint((b2RopeJointDef)def);
}
break;
case b2JointType.e_motorJoint:
{
joint = new b2MotorJoint((b2MotorJointDef)def);
}
break;
default:
Debug.Assert(false);
break;
}
return(joint);
}
internal static global::System.Runtime.InteropServices.HandleRef getCPtr(b2PulleyJoint obj)
{
return((obj == null) ? new global::System.Runtime.InteropServices.HandleRef(null, global::System.IntPtr.Zero) : obj.swigCPtr);
}
