RedCore/cocos2d/cocos/physics3d/CCPhysics3D.cpp

/****************************************************************************
 Copyright (c) 2015-2017 Chukong Technologies Inc.
 
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 of this software and associated documentation files (the "Software"), to deal
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 to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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 all copies or substantial portions of the Software.
 
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#include "physics3d/CCPhysics3D.h"

#if CC_USE_3D_PHYSICS

#if (CC_ENABLE_BULLET_INTEGRATION)



NS_CC_BEGIN

CC_DLL const char* physics3dVersion()
{
#if CC_ENABLE_BULLET_INTEGRATION
    return "bullet2.82";
#endif
}

NS_CC_END


cocos2d::Vec3 convertbtVector3ToVec3( const btVector3 &btVec3 )
{
    return cocos2d::Vec3(btVec3.x(), btVec3.y(), btVec3.z());
}

btVector3 convertVec3TobtVector3( const cocos2d::Vec3 &vec3 )
{
    return btVector3(vec3.x, vec3.y, vec3.z);
}

cocos2d::Mat4 convertbtTransformToMat4( const btTransform &btTrans )
{
    cocos2d::Mat4 mat;
    auto rot = btTrans.getBasis();
    auto row = rot.getRow(0);
    mat.m[0] = row.getX();
    mat.m[4] = row.getY();
    mat.m[8] = row.getZ();
    row = rot.getRow(1);
    mat.m[1] = row.getX();
    mat.m[5] = row.getY();
    mat.m[9] = row.getZ();
    row = rot.getRow(2);
    mat.m[2] = row.getX();
    mat.m[6] = row.getY();
    mat.m[10] = row.getZ();
    
    row = btTrans.getOrigin();
    mat.m[12] = row.getX();
    mat.m[13] = row.getY();
    mat.m[14] = row.getZ();
    return mat;
}

btTransform convertMat4TobtTransform( const cocos2d::Mat4 &mat4 )
{
    btTransform btTrans;
    btTrans.setFromOpenGLMatrix(mat4.m);
    return btTrans;
}

cocos2d::Quaternion convertbtQuatToQuat( const btQuaternion &btQuat )
{
    return cocos2d::Quaternion(btQuat.x(), btQuat.y(), btQuat.z(), btQuat.w());
}

btQuaternion convertQuatTobtQuat( const cocos2d::Quaternion &quat )
{
    return btQuaternion(quat.x, quat.y, quat.z, quat.w);
}

#endif // CC_ENABLE_BULLET_INTEGRATION

#endif //CC_USE_3D_PHYSICS