matrix-react-sdk/lib/effects/spaceinvaders/index.js

SDK for matrix.org using React

"use strict";

var _interopRequireDefault = require("@babel/runtime/helpers/interopRequireDefault");

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.default = exports.DefaultOptions = void 0;

var _defineProperty2 = _interopRequireDefault(require("@babel/runtime/helpers/defineProperty"));

var _arrays = require("../../utils/arrays");

function ownKeys(object, enumerableOnly) { var keys = Object.keys(object); if (Object.getOwnPropertySymbols) { var symbols = Object.getOwnPropertySymbols(object); if (enumerableOnly) symbols = symbols.filter(function (sym) { return Object.getOwnPropertyDescriptor(object, sym).enumerable; }); keys.push.apply(keys, symbols); } return keys; }

function _objectSpread(target) { for (var i = 1; i < arguments.length; i++) { var source = arguments[i] != null ? arguments[i] : {}; if (i % 2) { ownKeys(Object(source), true).forEach(function (key) { (0, _defineProperty2.default)(target, key, source[key]); }); } else if (Object.getOwnPropertyDescriptors) { Object.defineProperties(target, Object.getOwnPropertyDescriptors(source)); } else { ownKeys(Object(source)).forEach(function (key) { Object.defineProperty(target, key, Object.getOwnPropertyDescriptor(source, key)); }); } } return target; }

const DefaultOptions
/*: SpaceInvadersOptions*/
= {
  maxCount: 50,
  gravity: 0.005
};
exports.DefaultOptions = DefaultOptions;
const KEY_FRAME_INTERVAL = 15; // 15ms, roughly

const GLYPH = "👾";

class SpaceInvaders
/*:: implements ICanvasEffect*/
{
  constructor(options
  /*: { [key: string]: any }*/
  ) {
    (0, _defineProperty2.default)(this, "options", void 0);
    (0, _defineProperty2.default)(this, "context", null);
    (0, _defineProperty2.default)(this, "particles", []);
    (0, _defineProperty2.default)(this, "lastAnimationTime", void 0);
    (0, _defineProperty2.default)(this, "isRunning", void 0);
    (0, _defineProperty2.default)(this, "start", async (canvas
    /*: HTMLCanvasElement*/
    , timeout = 3000) => {
      if (!canvas) {
        return;
      }

      this.context = canvas.getContext('2d');
      this.particles = [];
      const count = this.options.maxCount;

      while (this.particles.length < count) {
        this.particles.push(this.resetParticle({}, canvas.width, canvas.height));
      }

      this.isRunning = true;
      requestAnimationFrame(this.renderLoop);

      if (timeout) {
        window.setTimeout(this.stop, timeout);
      }
    });
    (0, _defineProperty2.default)(this, "stop", async () => {
      this.isRunning = false;
    });
    (0, _defineProperty2.default)(this, "resetParticle", (particle
    /*: Invader*/
    , width
    /*: number*/
    , height
    /*: number*/
    ) =>
    /*: Invader*/
    {
      particle.x = Math.random() * width;
      particle.y = Math.random() * -height;
      particle.xCol = particle.x;
      particle.gravity = this.options.gravity + Math.random() * 6 + 4;
      return particle;
    });
    (0, _defineProperty2.default)(this, "renderLoop", () =>
    /*: void*/
    {
      if (!this.context || !this.context.canvas) {
        return;
      }

      if (this.particles.length === 0) {
        this.context.clearRect(0, 0, this.context.canvas.width, this.context.canvas.height);
      } else {
        const timeDelta = Date.now() - this.lastAnimationTime;

        if (timeDelta >= KEY_FRAME_INTERVAL || !this.lastAnimationTime) {
          // Clear the screen first
          this.context.clearRect(0, 0, this.context.canvas.width, this.context.canvas.height);
          this.lastAnimationTime = Date.now();
          this.animateAndRenderInvaders();
        }

        requestAnimationFrame(this.renderLoop);
      }
    });
    this.options = _objectSpread(_objectSpread({}, DefaultOptions), options);
  }

  animateAndRenderInvaders() {
    if (!this.context || !this.context.canvas) {
      return;
    }

    this.context.font = "50px Twemoji";

    for (const particle of (0, _arrays.arrayFastClone)(this.particles)) {
      particle.y += particle.gravity;
      this.context.save();
      this.context.fillText(GLYPH, particle.x, particle.y);
      this.context.restore();
    }
  }

}

exports.default = SpaceInvaders;
//# sourceMappingURL=data:application/json;charset=utf-8;base64,{"version":3,"sources":["../../../src/effects/spaceinvaders/index.ts"],"names":["DefaultOptions","maxCount","gravity","KEY_FRAME_INTERVAL","GLYPH","SpaceInvaders","constructor","options","canvas","timeout","context","getContext","particles","count","length","push","resetParticle","width","height","isRunning","requestAnimationFrame","renderLoop","window","setTimeout","stop","particle","x","Math","random","y","xCol","clearRect","timeDelta","Date","now","lastAnimationTime","animateAndRenderInvaders","font","save","fillText","restore"],"mappings":";;;;;;;;;;;AAgBA;;;;;;AAoBO,MAAMA;AAAoC;AAAA,EAAG;AAChDC,EAAAA,QAAQ,EAAE,EADsC;AAEhDC,EAAAA,OAAO,EAAE;AAFuC,CAA7C;;AAKP,MAAMC,kBAAkB,GAAG,EAA3B,C,CAA+B;;AAC/B,MAAMC,KAAK,GAAG,IAAd;;AAEe,MAAMC;AAAN;AAA6C;AAGxDC,EAAAA,WAAW,CAACC;AAAD;AAAA,IAAkC;AAAA;AAAA,mDAIM,IAJN;AAAA,qDAKT,EALS;AAAA;AAAA;AAAA,iDAU9B,OAAOC;AAAP;AAAA,MAAkCC,OAAO,GAAG,IAA5C,KAAqD;AAChE,UAAI,CAACD,MAAL,EAAa;AACT;AACH;;AACD,WAAKE,OAAL,GAAeF,MAAM,CAACG,UAAP,CAAkB,IAAlB,CAAf;AACA,WAAKC,SAAL,GAAiB,EAAjB;AACA,YAAMC,KAAK,GAAG,KAAKN,OAAL,CAAaN,QAA3B;;AACA,aAAO,KAAKW,SAAL,CAAeE,MAAf,GAAwBD,KAA/B,EAAsC;AAClC,aAAKD,SAAL,CAAeG,IAAf,CAAoB,KAAKC,aAAL,CAAmB,EAAnB,EAAkCR,MAAM,CAACS,KAAzC,EAAgDT,MAAM,CAACU,MAAvD,CAApB;AACH;;AACD,WAAKC,SAAL,GAAiB,IAAjB;AACAC,MAAAA,qBAAqB,CAAC,KAAKC,UAAN,CAArB;;AACA,UAAIZ,OAAJ,EAAa;AACTa,QAAAA,MAAM,CAACC,UAAP,CAAkB,KAAKC,IAAvB,EAA6Bf,OAA7B;AACH;AACJ,KAzB4C;AAAA,gDA2B/B,YAAY;AACtB,WAAKU,SAAL,GAAiB,KAAjB;AACH,KA7B4C;AAAA,yDA+BrB,CAACM;AAAD;AAAA,MAAoBR;AAApB;AAAA,MAAmCC;AAAnC;AAAA;AAAA;AAA+D;AACnFO,MAAAA,QAAQ,CAACC,CAAT,GAAaC,IAAI,CAACC,MAAL,KAAgBX,KAA7B;AACAQ,MAAAA,QAAQ,CAACI,CAAT,GAAaF,IAAI,CAACC,MAAL,KAAgB,CAACV,MAA9B;AACAO,MAAAA,QAAQ,CAACK,IAAT,GAAgBL,QAAQ,CAACC,CAAzB;AACAD,MAAAA,QAAQ,CAACvB,OAAT,GAAmB,KAAKK,OAAL,CAAaL,OAAb,GAAwByB,IAAI,CAACC,MAAL,KAAgB,CAAxC,GAA6C,CAAhE;AACA,aAAOH,QAAP;AACH,KArC4C;AAAA,sDAuCxB;AAAA;AAAY;AAC7B,UAAI,CAAC,KAAKf,OAAN,IAAiB,CAAC,KAAKA,OAAL,CAAaF,MAAnC,EAA2C;AACvC;AACH;;AACD,UAAI,KAAKI,SAAL,CAAeE,MAAf,KAA0B,CAA9B,EAAiC;AAC7B,aAAKJ,OAAL,CAAaqB,SAAb,CAAuB,CAAvB,EAA0B,CAA1B,EAA6B,KAAKrB,OAAL,CAAaF,MAAb,CAAoBS,KAAjD,EAAwD,KAAKP,OAAL,CAAaF,MAAb,CAAoBU,MAA5E;AACH,OAFD,MAEO;AACH,cAAMc,SAAS,GAAGC,IAAI,CAACC,GAAL,KAAa,KAAKC,iBAApC;;AACA,YAAIH,SAAS,IAAI7B,kBAAb,IAAmC,CAAC,KAAKgC,iBAA7C,EAAgE;AAC5D;AACA,eAAKzB,OAAL,CAAaqB,SAAb,CAAuB,CAAvB,EAA0B,CAA1B,EAA6B,KAAKrB,OAAL,CAAaF,MAAb,CAAoBS,KAAjD,EAAwD,KAAKP,OAAL,CAAaF,MAAb,CAAoBU,MAA5E;AAEA,eAAKiB,iBAAL,GAAyBF,IAAI,CAACC,GAAL,EAAzB;AACA,eAAKE,wBAAL;AACH;;AACDhB,QAAAA,qBAAqB,CAAC,KAAKC,UAAN,CAArB;AACH;AACJ,KAxD4C;AACzC,SAAKd,OAAL,mCAAmBP,cAAnB,GAAsCO,OAAtC;AACH;;AAwDO6B,EAAAA,wBAAR,GAAmC;AAC/B,QAAI,CAAC,KAAK1B,OAAN,IAAiB,CAAC,KAAKA,OAAL,CAAaF,MAAnC,EAA2C;AACvC;AACH;;AACD,SAAKE,OAAL,CAAa2B,IAAb,GAAoB,cAApB;;AACA,SAAK,MAAMZ,QAAX,IAAuB,4BAAe,KAAKb,SAApB,CAAvB,EAAuD;AACnDa,MAAAA,QAAQ,CAACI,CAAT,IAAcJ,QAAQ,CAACvB,OAAvB;AAEA,WAAKQ,OAAL,CAAa4B,IAAb;AACA,WAAK5B,OAAL,CAAa6B,QAAb,CAAsBnC,KAAtB,EAA6BqB,QAAQ,CAACC,CAAtC,EAAyCD,QAAQ,CAACI,CAAlD;AACA,WAAKnB,OAAL,CAAa8B,OAAb;AACH;AACJ;;AAzEuD","sourcesContent":["/*\n Copyright 2021 The Matrix.org Foundation C.I.C.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n */\nimport ICanvasEffect from '../ICanvasEffect';\nimport { arrayFastClone } from \"../../utils/arrays\";\n\nexport type SpaceInvadersOptions = {\n    /**\n     * The maximum number of invaders to render at a given time\n     */\n    maxCount: number;\n    /**\n     * The amount of gravity to apply to the invaders\n     */\n    gravity: number;\n}\n\ntype Invader = {\n    x: number;\n    y: number;\n    xCol: number;\n    gravity: number;\n}\n\nexport const DefaultOptions: SpaceInvadersOptions = {\n    maxCount: 50,\n    gravity: 0.005,\n};\n\nconst KEY_FRAME_INTERVAL = 15; // 15ms, roughly\nconst GLYPH = \"👾\";\n\nexport default class SpaceInvaders implements ICanvasEffect {\n    private readonly options: SpaceInvadersOptions;\n\n    constructor(options: { [key: string]: any }) {\n        this.options = {...DefaultOptions, ...options};\n    }\n\n    private context: CanvasRenderingContext2D | null = null;\n    private particles: Array<Invader> = [];\n    private lastAnimationTime: number;\n\n    public isRunning: boolean;\n\n    public start = async (canvas: HTMLCanvasElement, timeout = 3000) => {\n        if (!canvas) {\n            return;\n        }\n        this.context = canvas.getContext('2d');\n        this.particles = [];\n        const count = this.options.maxCount;\n        while (this.particles.length < count) {\n            this.particles.push(this.resetParticle({} as Invader, canvas.width, canvas.height));\n        }\n        this.isRunning = true;\n        requestAnimationFrame(this.renderLoop);\n        if (timeout) {\n            window.setTimeout(this.stop, timeout);\n        }\n    }\n\n    public stop = async () => {\n        this.isRunning = false;\n    }\n\n    private resetParticle = (particle: Invader, width: number, height: number): Invader => {\n        particle.x = Math.random() * width;\n        particle.y = Math.random() * -height;\n        particle.xCol = particle.x;\n        particle.gravity = this.options.gravity + (Math.random() * 6) + 4;\n        return particle;\n    }\n\n    private renderLoop = (): void => {\n        if (!this.context || !this.context.canvas) {\n            return;\n        }\n        if (this.particles.length === 0) {\n            this.context.clearRect(0, 0, this.context.canvas.width, this.context.canvas.height);\n        } else {\n            const timeDelta = Date.now() - this.lastAnimationTime;\n            if (timeDelta >= KEY_FRAME_INTERVAL || !this.lastAnimationTime) {\n                // Clear the screen first\n                this.context.clearRect(0, 0, this.context.canvas.width, this.context.canvas.height);\n\n                this.lastAnimationTime = Date.now();\n                this.animateAndRenderInvaders();\n            }\n            requestAnimationFrame(this.renderLoop);\n        }\n    };\n\n    private animateAndRenderInvaders() {\n        if (!this.context || !this.context.canvas) {\n            return;\n        }\n        this.context.font = \"50px Twemoji\";\n        for (const particle of arrayFastClone(this.particles)) {\n            particle.y += particle.gravity;\n\n            this.context.save();\n            this.context.fillText(GLYPH, particle.x, particle.y);\n            this.context.restore();\n        }\n    }\n}\n"]}