1 /** 2 * Copyright (c) 2006-2012 LOVE Development Team 3 * 4 * This software is provided 'as-is', without any express or implied 5 * warranty. In no event will the authors be held liable for any damages 6 * arising from the use of this software. 7 * 8 * Permission is granted to anyone to use this software for any purpose, 9 * including commercial applications, and to alter it and redistribute it 10 * freely, subject to the following restrictions: 11 * 12 * 1. The origin of this software must not be misrepresented; you must not 13 * claim that you wrote the original software. If you use this software 14 * in a product, an acknowledgment in the product documentation would be 15 * appreciated but is not required. 16 * 2. Altered source versions must be plainly marked as such, and must not be 17 * misrepresented as being the original software. 18 * 3. This notice may not be removed or altered from any source distribution. 19 **/ 20 21 #include "RopeJoint.h" 22 23 // Module 24 #include "Body.h" 25 #include "World.h" 26 #include "Physics.h" 27 28 namespace love 29 { 30 namespace physics 31 { 32 namespace box2d 33 { RopeJoint(Body * body1,Body * body2,float x1,float y1,float x2,float y2,float maxLength,bool collideConnected)34 RopeJoint::RopeJoint(Body * body1, Body * body2, float x1, float y1, float x2, float y2, float maxLength, bool collideConnected) 35 : Joint(body1, body2), joint(NULL) 36 { 37 b2RopeJointDef def; 38 def.bodyA = body1->body; 39 def.bodyB = body2->body; 40 body1->getLocalPoint(Physics::scaleDown(x1), Physics::scaleDown(y1), def.localAnchorA.x, def.localAnchorA.y); 41 body2->getLocalPoint(Physics::scaleDown(x2), Physics::scaleDown(y2), def.localAnchorB.x, def.localAnchorB.y); 42 def.maxLength = Physics::scaleDown(maxLength); 43 def.collideConnected = collideConnected; 44 joint = (b2RopeJoint*)createJoint(&def); 45 } 46 ~RopeJoint()47 RopeJoint::~RopeJoint() 48 { 49 } 50 getMaxLength() const51 float RopeJoint::getMaxLength() const 52 { 53 return Physics::scaleUp(joint->GetMaxLength()); 54 } 55 56 57 } // box2d 58 } // physics 59 } // love 60