@dank-inc/sketchy/lib/sketchy.js

A Super-dank sketching library built with ♥ and typescript!

"use strict";
var __assign = (this && this.__assign) || function () {
    __assign = Object.assign || function(t) {
        for (var s, i = 1, n = arguments.length; i < n; i++) {
            s = arguments[i];
            for (var p in s) if (Object.prototype.hasOwnProperty.call(s, p))
                t[p] = s[p];
        }
        return t;
    };
    return __assign.apply(this, arguments);
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.createSketch = exports.loadSketch = void 0;
var requestId;
var lastSketch;
var animateSketch = function (frame, params) {
    if (!params.animated)
        return;
    frame(params);
    var now = +new Date();
    var dt = now - (params.startTime + params.time);
    var time = params.time + dt;
    requestId = requestAnimationFrame(function () {
        return animateSketch(frame, __assign(__assign({}, params), { time: time, dt: dt, t: function (s, o) {
                if (s === void 0) { s = 1; }
                if (o === void 0) { o = 0; }
                return 0.001 * time * s + o;
            } }));
    });
};
var loadSketch = function (sketch, params) {
    var _a;
    if (requestId) {
        cancelAnimationFrame(requestId);
        requestId = null;
    }
    if (lastSketch) {
        (_a = lastSketch.onKill) === null || _a === void 0 ? void 0 : _a.call(lastSketch);
        lastSketch = null;
    }
    lastSketch = params;
    params.requestId = Math.floor(Math.random() * 100000);
    params.context.clearRect(0, 0, params.width, params.height);
    var frame = sketch(params);
    params.animated ? animateSketch(frame, params) : frame(params);
    params.stop = function () { return (params.animated = false); };
    return params;
};
exports.loadSketch = loadSketch;
var createSketch = function (sketch) { return sketch; };
exports.createSketch = createSketch;