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btConeTwistConstraint.h - Hosted on DriveHQ Cloud IT Platform
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Ruta de la carpeta: \\game3dprogramming\materials\DarkPuzzle\libs\bullet_src\BulletDynamics\ConstraintSolver\btConeTwistConstraint.h
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/* Bullet Continuous Collision Detection and Physics Library btConeTwistConstraint is Copyright (c) 2007 Starbreeze Studios 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. Written by: Marcus Hennix */ #ifndef CONETWISTCONSTRAINT_H #define CONETWISTCONSTRAINT_H #include "../../LinearMath/btVector3.h" #include "btJacobianEntry.h" #include "btTypedConstraint.h" class btRigidBody; ///btConeTwistConstraint can be used to simulate ragdoll joints (upper arm, leg etc) class btConeTwistConstraint : public btTypedConstraint { #ifdef IN_PARALLELL_SOLVER public: #endif btJacobianEntry m_jac[3]; //3 orthogonal linear constraints btTransform m_rbAFrame; btTransform m_rbBFrame; btScalar m_limitSoftness; btScalar m_biasFactor; btScalar m_relaxationFactor; btScalar m_swingSpan1; btScalar m_swingSpan2; btScalar m_twistSpan; btVector3 m_swingAxis; btVector3 m_twistAxis; btScalar m_kSwing; btScalar m_kTwist; btScalar m_twistLimitSign; btScalar m_swingCorrection; btScalar m_twistCorrection; btScalar m_accSwingLimitImpulse; btScalar m_accTwistLimitImpulse; bool m_angularOnly; bool m_solveTwistLimit; bool m_solveSwingLimit; public: btConeTwistConstraint(btRigidBody& rbA,btRigidBody& rbB,const btTransform& rbAFrame, const btTransform& rbBFrame); btConeTwistConstraint(btRigidBody& rbA,const btTransform& rbAFrame); btConeTwistConstraint(); virtual void buildJacobian(); virtual void solveConstraint(btScalar timeStep); void updateRHS(btScalar timeStep); const btRigidBody& getRigidBodyA() const { return m_rbA; } const btRigidBody& getRigidBodyB() const { return m_rbB; } void setAngularOnly(bool angularOnly) { m_angularOnly = angularOnly; } void setLimit(btScalar _swingSpan1,btScalar _swingSpan2,btScalar _twistSpan, btScalar _softness = 0.8f, btScalar _biasFactor = 0.3f, btScalar _relaxationFactor = 1.0f) { m_swingSpan1 = _swingSpan1; m_swingSpan2 = _swingSpan2; m_twistSpan = _twistSpan; m_limitSoftness = _softness; m_biasFactor = _biasFactor; m_relaxationFactor = _relaxationFactor; } const btTransform& getAFrame() { return m_rbAFrame; }; const btTransform& getBFrame() { return m_rbBFrame; }; inline int getSolveTwistLimit() { return m_solveTwistLimit; } inline int getSolveSwingLimit() { return m_solveTwistLimit; } inline btScalar getTwistLimitSign() { return m_twistLimitSign; } }; #endif //CONETWISTCONSTRAINT_H
btConeTwistConstraint.h
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