codehz

#ifdef GL_FRAGMENT_PRECISION_HIGH
precision highp float;
#else
precision mediump float;
#endif

uniform vec2 resolution;
uniform vec2 offset;
uniform sampler2D backbuffer;
uniform vec3 gravity;

codehz

#include <iostream>

template<typename Target, typename Source>
struct force_cast {
    union {
        Source source;
        Target target;
    };

    force_cast(Source source) : source(source) {};

codehz

playListAction({action, index}) {
    switch (action) {
        case 'delete':
            this.playList.splice(index, 1);
            break;
        case 'moveUp':
            this.playList.splice((index - 1 + this.playList.length) % this.playList.length, 0, this.playList.splice(index, 0));
            break;
        case 'moveDown':
            this.playList.splice((index + 1) % this.playList.length, 0, this.playList.splice(index, 0));