Method SpriteZVertex

tests/cpp-tests/Source/SpriteTest/SpriteTest.cpp:975–1034

}

SpriteZVertex::SpriteZVertex()
{
    //
    // This test tests z-order
    // If you are going to use it is better to use a 3D projection
    //
    // WARNING:
    // The developer is responsible for ordering its sprites according to its Z if the sprite has
    // transparent parts.
    //

    //
    // Configure shader to mimic glAlphaTest
    //
    //    auto alphaTestShader =
    //    GLProgramCache::getInstance()->getGLProgram(GLProgram::SHADER_NAME_POSITION_TEXTURE_ALPHA_TEST); GLint
    //    alphaValueLocation = glGetUniformLocation(alphaTestShader->getProgram(),
    //    GLProgram::UNIFORM_NAME_ALPHA_TEST_VALUE);
    //
    //    // set alpha test value
    //    // NOTE: alpha test shader is hard-coded to use the equivalent of a glAlphaFunc(GL_GREATER) comparison
    //    if (getGLProgram())
    //    {
    //        getGLProgram()->setUniformLocationWith1f(alphaValueLocation, 0.0f);
    //    }

    _dir  = 1;
    _time = 0;

    auto s     = Director::getInstance()->getWinSize();
    float step = s.width / 12;

    auto node = Node::create();
    // camera uses the center of the image as the pivoting point
    node->setContentSize(Size(s.width, s.height));
    node->setAnchorPoint(Vec2::ANCHOR_MIDDLE);
    node->setPosition(Vec2(s.width / 2, s.height / 2));

    addChild(node, 0);

    for (int i = 0; i < 5; i++)
    {
        auto sprite = Sprite::create("Images/grossini_dance_atlas.png", Rect(85 * 0, 121 * 1, 85, 121));
        sprite->setPosition(Vec2((i + 1) * step, s.height / 2));
        sprite->setPositionZ(10 + i * 40);
        //        sprite->setGLProgram(alphaTestShader);
        node->addChild(sprite, 0);
    }

    for (int i = 5; i < 11; i++)
    {
        auto sprite = Sprite::create("Images/grossini_dance_atlas.png", Rect(85 * 1, 121 * 0, 85, 121));
        sprite->setPosition(Vec2((i + 1) * step, s.height / 2));
        sprite->setPositionZ(10 + (10 - i) * 40);
        //        sprite->setGLProgram(alphaTestShader);
        node->addChild(sprite, 0);
    }