Updated box2d from 2.2.1 to 2.3.0

--HG--
branch : box2d-2.3

src/modules/physics/box2d/MotorJoint.h

@@ -0,0 +1,85 @@
+/**
+ * Copyright (c) 2006-2013 LOVE Development Team
+ *
+ * This software is provided 'as-is', without any express or implied
+ * warranty.  In no event will the authors be held liable for any damages
+ * arising from the use of this software.
+ *
+ * Permission is granted to anyone to use this software for any purpose,
+ * including commercial applications, and to alter it and redistribute it
+ * freely, subject to the following restrictions:
+ *
+ * 1. The origin of this software must not be misrepresented; you must not
+ *    claim that you wrote the original software. If you use this software
+ *    in a product, an acknowledgment in the product documentation would be
+ *    appreciated but is not required.
+ * 2. Altered source versions must be plainly marked as such, and must not be
+ *    misrepresented as being the original software.
+ * 3. This notice may not be removed or altered from any source distribution.
+ **/
+
+#ifndef LOVE_PHYSICS_BOX2D_MOTOR_JOINT_H
+#define LOVE_PHYSICS_BOX2D_MOTOR_JOINT_H
+
+// Module
+#include "Joint.h"
+
+namespace love
+{
+namespace physics
+{
+namespace box2d
+{
+
+/**
+ * A motor joint is used to control the relative motion
+ * between two bodies. A typical usage is to control the movement
+ * of a dynamic body with respect to the ground.
+ */
+class MotorJoint : public Joint
+{
+public:
+
+	MotorJoint(Body *body1, Body* body2);
+	MotorJoint(Body *body1, Body* body2, float correctionFactor);
+	virtual ~MotorJoint();
+
+	/// Set/get the target linear offset, in frame A, in meters.
+	void setLinearOffset(float x, float y);
+	int getLinearOffset(lua_State *L) const;
+
+	/// Set/get the target angular offset, in radians.
+	void setAngularOffset(float angularOffset);
+	float getAngularOffset() const;
+
+	/// Set the maximum friction force.
+	void setMaxForce(float force);
+
+	/// Get the maximum friction force.
+	float getMaxForce() const;
+
+	/// Set the maximum friction torque.
+	void setMaxTorque(float torque);
+
+	/// Get the maximum friction torque.
+	float getMaxTorque() const;
+
+	/// Set the position correction factor in the range [0,1].
+	void setCorrectionFactor(float factor);
+
+	/// Get the position correction factor in the range [0,1].
+	float getCorrectionFactor() const;
+	
+private:
+
+	// The Box2D MotorJoint object.
+	b2MotorJoint *joint;
+
+}; // MotorJoint
+
+
+} // box2d
+} // physics
+} // love
+
+#endif // LOVE_PHYSICS_BOX2D_MOTOR_JOINT_H