Updated box2d from 2.2.1 to 2.3.0

--HG--
branch : box2d-2.3

src/modules/physics/box2d/MotorJoint.cpp

@@ -0,0 +1,115 @@
+/**
+ * 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.
+ **/
+
+#include "MotorJoint.h"
+
+// Module
+#include "Body.h"
+#include "World.h"
+#include "Physics.h"
+
+namespace love
+{
+namespace physics
+{
+namespace box2d
+{
+
+MotorJoint::MotorJoint(Body *body1, Body *body2)
+	: Joint(body1, body2)
+	, joint(NULL)
+{
+	b2MotorJointDef def;
+
+	def.Initialize(body1->body, body2->body);
+	joint = (b2MotorJoint *) createJoint(&def);
+}
+
+MotorJoint::MotorJoint(Body *body1, Body *body2, float correctionFactor)
+	: Joint(body1, body2)
+	, joint(NULL)
+{
+	b2MotorJointDef def;
+
+	def.Initialize(body1->body, body2->body);
+	def.correctionFactor = correctionFactor;
+
+	joint = (b2MotorJoint *) createJoint(&def);
+}
+
+MotorJoint::~MotorJoint()
+{
+}
+
+void MotorJoint::setLinearOffset(float x, float y)
+{
+	joint->SetLinearOffset(Physics::scaleDown(b2Vec2(x, y)));
+}
+
+int MotorJoint::getLinearOffset(lua_State *L) const
+{
+	lua_pushnumber(L, Physics::scaleUp(joint->GetLinearOffset().x));
+	lua_pushnumber(L, Physics::scaleUp(joint->GetLinearOffset().y));
+	return 2;
+}
+
+void MotorJoint::setAngularOffset(float angularOffset)
+{
+	joint->SetAngularOffset(angularOffset);
+}
+
+float MotorJoint::getAngularOffset() const
+{
+	return joint->GetAngularOffset();
+}
+
+void MotorJoint::setMaxForce(float force)
+{
+	joint->SetMaxForce(Physics::scaleDown(force));
+}
+
+float MotorJoint::getMaxForce() const
+{
+	return Physics::scaleUp(joint->GetMaxForce());
+}
+
+void MotorJoint::setMaxTorque(float torque)
+{
+	joint->SetMaxTorque(Physics::scaleDown(Physics::scaleDown(torque)));
+}
+
+float MotorJoint::getMaxTorque() const
+{
+	return Physics::scaleUp(Physics::scaleUp(joint->GetMaxTorque()));
+}
+
+void MotorJoint::setCorrectionFactor(float factor)
+{
+	joint->SetCorrectionFactor(factor);
+}
+
+float MotorJoint::getCorrectionFactor() const
+{
+	return joint->GetCorrectionFactor();
+}
+
+} // box2d
+} // physics
+} // love