mirror of https://github.com/axmolengine/axmol.git
69 lines
1.9 KiB
C
69 lines
1.9 KiB
C
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/*
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* Copyright (c) 2006-2009 Erin Catto http://www.gphysics.com
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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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* 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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* 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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#ifndef LINE_JOINT_H
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#define LINE_JOINT_H
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// A line joint with a limit and friction.
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class LineJoint : public Test
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{
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public:
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LineJoint()
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{
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b2Body* ground = NULL;
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{
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b2PolygonShape shape;
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shape.SetAsEdge(b2Vec2(-40.0f, 0.0f), b2Vec2(40.0f, 0.0f));
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b2BodyDef bd;
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ground = m_world->CreateBody(&bd);
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ground->CreateFixture(&shape, 0.0f);
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}
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{
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b2PolygonShape shape;
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shape.SetAsBox(0.5f, 2.0f);
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b2BodyDef bd;
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bd.type = b2_dynamicBody;
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bd.position.Set(0.0f, 7.0f);
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b2Body* body = m_world->CreateBody(&bd);
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body->CreateFixture(&shape, 1.0f);
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b2LineJointDef jd;
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b2Vec2 axis(2.0f, 1.0f);
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axis.Normalize();
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jd.Initialize(ground, body, b2Vec2(0.0f, 8.5f), axis);
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jd.motorSpeed = 0.0f;
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jd.maxMotorForce = 100.0f;
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jd.enableMotor = true;
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jd.lowerTranslation = -4.0f;
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jd.upperTranslation = 4.0f;
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jd.enableLimit = true;
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m_world->CreateJoint(&jd);
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}
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}
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static Test* Create()
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{
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return new LineJoint;
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}
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};
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#endif
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