Method onTouchesEnd

tests/cpp-tests/Source/TerrainTest/TerrainTest.cpp:173–204

void TerrainWalkThru::onTouchesBegan(const std::vector<ax::Touch*>& touches, ax::Event* event) {}

void TerrainWalkThru::onTouchesEnd(const std::vector<ax::Touch*>& touches, ax::Event* event)
{
    auto touch    = touches[0];
    auto location = touch->getLocationInView();
    if (_camera)
    {
        if (_player)
        {
            Vec3 nearP(location.x, location.y, 0.0f), farP(location.x, location.y, 1.0f);

            auto size = Director::getInstance()->getWinSize();
            _camera->unproject(size, &nearP, &nearP);
            _camera->unproject(size, &farP, &farP);
            Vec3 dir = farP - nearP;
            dir.normalize();
            Vec3 collisionPoint(-999, -999, -999);
            bool isInTerrain = _terrain->getIntersectionPoint(Ray(nearP, dir), collisionPoint);
            if (!isInTerrain)
            {
                _player->idle();
                return;
            }
            dir   = collisionPoint - _player->getPosition3D();
            dir.y = 0;
            dir.normalize();
            _player->_headingAngle = -1 * acos(dir.dot(Vec3(0, 0, -1)));
            dir.cross(dir, Vec3(0, 0, -1), &_player->_headingAxis);
            _player->_targetPos = collisionPoint;
            _player->forward();
        }
    }
}

bool Player::isDone() const
{