hydra-pixels.js

//hydra-pixels
//read pixels from each hydra output

{
    const getHydra = function () {
        const whereami = window.location?.href?.includes("hydra.ojack.xyz")
            ? "editor"
            : window.atom?.packages
            ? "atom"
            : "idk";
        if (whereami === "editor") {
            return window.hydraSynth;
        }
        if (whereami === "atom") {
            return global.atom.packages.loadedPackages["atom-hydra"]
                .mainModule.main.hydra;
        }
        let _h = [
            window.hydraSynth,
            window._hydra,
            window.hydra,
            window.h,
            window.H,
            window.hy
        ].find(h => h?.regl);
        return _h;
    };
    window._hydra = getHydra();
    window._hydraScope = _hydra.sandbox.makeGlobal ? window : _hydra.synth;
}

{
    const oP = _hydra.o[0].constructor.prototype;

    const regl = _hydra.o[0].regl;
    regl.attributes.preserveDrawingBuffer = true;
    oP.read = function (x = 0, y = 0, w = 1, h = 1) {
        return regl.read({
            framebuffer: this.fbos[this.pingPongIndex],
            x: x,
            y: y,
            width: w,
            height: h,
        });
    };
    oP.readAll = function () {
        const fbo = this.fbos[this.pingPongIndex];
        return regl.read({
            framebuffer: fbo,
            x: 0,
            y: 0,
            width: fbo.width,
            height: fbo.height,
        });
    };
}