axmol/cocos/physics3d/CCPhysics3D.cpp

/****************************************************************************
 Copyright (c) 2015-2016 Chukong Technologies Inc.
 Copyright (c) 2017-2018 Xiamen Yaji Software Co., Ltd.

 http://www.cocos2d-x.org

 Permission is hereby granted, free of charge, to any person obtaining a copy
 of this software and associated documentation files (the "Software"), to deal
 in the Software without restriction, including without limitation the rights
 to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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 furnished to do so, subject to the following conditions:

 The above copyright notice and this permission notice shall be included in
 all copies or substantial portions of the Software.

 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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 AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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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