Method init

tests/cpp-tests/Source/ShaderTest/ShaderTest2.cpp:228–235

}

bool EffectBlur::init(float blurRadius, float sampleNum)
{
    initProgramState("custom/example_Blur_fs");
    _blurRadius    = blurRadius;
    _blurSampleNum = sampleNum;

    return true;
}

void EffectBlur::setBlurRadius(float radius)
{