mirror of
https://github.com/love2d/love.git
synced 2026-08-16 08:11:02 +02:00
Bill Meltsner
97 lines
2.3 KiB
C++
97 lines
2.3 KiB
C++
/**
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* Copyright (c) 2006-2011 LOVE Development Team
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*
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* This software is provided 'as-is', without any express or implied
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* warranty. In no event will the authors be held liable for any damages
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* arising from the use of this software.
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*
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* Permission is granted to anyone to use this software for any purpose,
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* including commercial applications, and to alter it and redistribute it
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* freely, subject to the following restrictions:
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*
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* 1. The origin of this software must not be misrepresented; you must not
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* claim that you wrote the original software. If you use this software
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* in a product, an acknowledgment in the product documentation would be
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* appreciated but is not required.
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* 2. Altered source versions must be plainly marked as such, and must not be
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* misrepresented as being the original software.
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* 3. This notice may not be removed or altered from any source distribution.
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**/
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#include "MouseJoint.h"
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// Module
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#include "Body.h"
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#include "World.h"
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#include "Physics.h"
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namespace love
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{
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namespace physics
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{
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namespace box2d
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{
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MouseJoint::MouseJoint(Body * body1, float x, float y)
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: Joint(body1), joint(NULL)
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{
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b2MouseJointDef def;
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def.bodyA = body1->world->getGroundBody();
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def.bodyB = body1->body;
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def.maxForce = 1000.0f * body1->body->GetMass();
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def.target = Physics::scaleDown(b2Vec2(x,y));
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joint = (b2MouseJoint*)createJoint(&def);
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}
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MouseJoint::~MouseJoint()
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{
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destroyJoint(joint);
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joint = 0;
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}
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void MouseJoint::setTarget(float x, float y)
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{
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joint->SetTarget(Physics::scaleDown(b2Vec2(x, y)));
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}
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int MouseJoint::getTarget(lua_State * L)
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{
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lua_pushnumber(L, Physics::scaleUp(joint->GetTarget().x));
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lua_pushnumber(L, Physics::scaleUp(joint->GetTarget().y));
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return 2;
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}
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void MouseJoint::setMaxForce(float force)
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{
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joint->SetMaxForce(force);
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}
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float MouseJoint::getMaxForce() const
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{
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return joint->GetMaxForce();
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}
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void MouseJoint::setFrequency(float hz)
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{
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joint->SetFrequency(hz);
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}
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float MouseJoint::getFrequency() const
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{
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return joint->GetFrequency();
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}
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void MouseJoint::setDampingRatio(float d)
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{
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joint->SetDampingRatio(d);
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}
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float MouseJoint::getDampingRatio() const
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{
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return joint->GetDampingRatio();
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}
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} // box2d
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} // physics
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} // love
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