{
    "QEN": {
        "description": "This node contains commonly used math defines and helper functions.",
        "fragmentCode": [
            "#define PI 3.14159265359",
            "#define TAU 6.28318530718",
            "#define SQRT2 1.41421356237",
            "",
            "mat2 rotate2d(float a) {",
            "    const float c = cos(a);",
            "    const float s = sin(a);",
            "    return mat2(c, -s, s, c);",
            "}",
            "@main"
        ],
        "name": "MathHelper",
        "version": 1
    }
}