Initial Mercurial commit.

src/modules/physics/box2d/PrismaticJoint.cpp

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+/**
+* Copyright (c) 2006-2009 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 "PrismaticJoint.h"
+
+// Module
+#include "Body.h"
+#include "World.h"
+
+namespace love
+{
+namespace physics
+{
+namespace box2d
+{
+	PrismaticJoint::PrismaticJoint(Body * body1, Body * body2, float x, float y, float ax, float ay)
+		: Joint(body1, body2)
+	{
+		b2PrismaticJointDef def;
+		
+		def.Initialize(body1->body, body2->body, world->scaleDown(b2Vec2(x,y)), b2Vec2(ax,ay));
+		def.lowerTranslation = 0.0f;
+		def.upperTranslation = 100.0f;
+		def.enableLimit = true;
+		joint = (b2PrismaticJoint*)createJoint(&def);
+	}
+
+	PrismaticJoint::~PrismaticJoint()
+	{
+		destroyJoint(joint);
+		joint = 0;
+	}
+
+	float PrismaticJoint::getTranslation() const
+	{
+		return world->scaleDown(joint->GetJointTranslation());
+	}
+
+	float PrismaticJoint::getSpeed() const
+	{
+		return world->scaleDown(joint->GetJointSpeed());
+	}
+
+	void PrismaticJoint::setMotorEnabled(bool motor)
+	{
+		return joint->EnableMotor(true);
+	}
+
+	bool PrismaticJoint::isMotorEnabled() const
+	{
+		return joint->IsMotorEnabled();
+	}
+
+	void PrismaticJoint::setMaxMotorForce(float force)
+	{
+		joint->SetMaxMotorForce(force);
+	}
+
+	float PrismaticJoint::getMaxMotorForce() const
+	{
+		return joint->GetMotorForce();
+	}
+
+	void PrismaticJoint::setMotorSpeed(float speed)
+	{
+		joint->SetMotorSpeed(speed);
+	}
+
+	float PrismaticJoint::getMotorSpeed() const
+	{
+		return joint->GetMotorSpeed();
+	}
+
+	float PrismaticJoint::getMotorForce() const
+	{
+		return joint->GetMotorForce();
+	}
+
+	void PrismaticJoint::setLimitsEnabled(bool limit)
+	{
+		joint->EnableLimit(limit);
+	}
+
+	bool PrismaticJoint::isLimitsEnabled() const
+	{
+		return joint->IsLimitEnabled();
+	}
+
+	void PrismaticJoint::setUpperLimit(float limit)
+	{
+		joint->SetLimits(joint->GetLowerLimit(), world->scaleDown(limit));
+	}
+
+	void PrismaticJoint::setLowerLimit(float limit)
+	{
+		joint->SetLimits(world->scaleDown(limit), joint->GetUpperLimit());
+	}
+
+	void PrismaticJoint::setLimits(float lower, float upper)
+	{
+		joint->SetLimits(world->scaleDown(lower), world->scaleDown(upper));
+	}
+
+	float PrismaticJoint::getLowerLimit() const
+	{
+		return world->scaleUp(joint->GetLowerLimit());
+	}
+
+	float PrismaticJoint::getUpperLimit() const
+	{
+		return world->scaleUp(joint->GetUpperLimit());
+	}
+
+	int PrismaticJoint::getLimits(lua_State * L)
+	{
+		lua_pushnumber(L, world->scaleUp(joint->GetLowerLimit()));
+		lua_pushnumber(L, world->scaleUp(joint->GetUpperLimit()));
+		return 2;
+	}
+
+
+} // box2d
+} // physics
+} // love