requirebin sketch

index.js

var gamejs = require('gamejs');

var SCREEN_WIDTH = 400;
var SCREEN_HEIGHT = 400;

// ball is a colored circle.
// ball can circle through color list.
// ball constantly pulsates in size.
function Ball(center) {
   this.center = center;
   this.growPerSec = Ball.GROW_PER_SEC;
   this.radius = this.growPerSec * 2;
   this.color = 0;
   return this;
};
Ball.MAX_SIZE = 200;
Ball.GROW_PER_SEC = 50;
Ball.COLORS = ['#ff0000', '#00ff00', '#0000cc'];
Ball.prototype.nextColor = function() {
   this.color += 1;
   if (this.color >= Ball.COLORS.length) {
      this.color = 0;
   }
};
Ball.prototype.draw = function(display) {
   var rgbColor = Ball.COLORS[this.color];
   var lineWidth = 0; // lineWidth zero fills the circle
   gamejs.draw.circle(display, rgbColor, this.center, this.radius, lineWidth);
};
Ball.prototype.update = function(msDuration) {
   this.radius += this.growPerSec * (msDuration / 1000);
   if (this.radius > Ball.MAX_SIZE || this.radius < Math.abs(this.growPerSec)) {
      this.radius = this.radius > Ball.MAX_SIZE ? Ball.MAX_SIZE : Math.abs(this.growPerSec);
      this.growPerSec = -this.growPerSec;
   }
};

function main() {

   // setup screen and ball.
   // ball in screen center.
   // start game loop.
   var display = gamejs.display.setMode([SCREEN_WIDTH, SCREEN_HEIGHT]);
   var ballCenter = [SCREEN_WIDTH / 2, SCREEN_HEIGHT / 2];
   var ball = new Ball(ballCenter);

   // ball changes color on mouse up
   gamejs.onEvent(function(event) {
      switch(event.type) {
         case gamejs.event.MOUSE_UP:
            ball.nextColor();
            break;
      };
   });

   // update ball position
   // clear display
   // draw
   gamejs.onTick(function(msDuration) {
      ball.update(msDuration);
      display.clear();
      ball.draw(display);
   });
};

// call main after all resources have finished loading
gamejs.ready(main);

minified.js

function Ball(t){return this.center=t,this.growPerSec=Ball.GROW_PER_SEC,this.radius=2*this.growPerSec,this.color=0,this}function main(){var t=gamejs.display.setMode([SCREEN_WIDTH,SCREEN_HEIGHT]),e=[SCREEN_WIDTH/2,SCREEN_HEIGHT/2],n=new Ball(e);gamejs.onEvent(function(t){switch(t.type){case gamejs.event.MOUSE_UP:n.nextColor()}}),gamejs.onTick(function(e){n.update(e),t.clear(),n.draw(t)})}require=function e(t,n,r){function i(a,s){if(!n[a]){if(!t[a]){var u="function"==typeof require&&require;if(!s&&u)return u(a,!0);if(o)return o(a,!0);throw Error("Cannot find module '"+a+"'")}var c=n[a]={exports:{}};t[a][0].call(c.exports,function(e){var n=t[a][1][e];return i(n?n:e)},c,c.exports,e,t,n,r)}return n[a].exports}for(var o="function"==typeof require&&require,a=0;r.length>a;a++)i(r[a]);return i}({GUIWXK:[function(t,e,n){function r(){var t=0,e=0,n=0,r=0;if(2===arguments.length)arguments[0]instanceof Array&&arguments[1]instanceof Array?(t=arguments[0][0],e=arguments[0][1],n=arguments[1][0],r=arguments[1][1]):(t=arguments[0],e=arguments[1]);else if(1===arguments.length&&arguments[0]instanceof Array)t=arguments[0][0],e=arguments[0][1],n=arguments[0][2],r=arguments[0][3];else if(1===arguments.length&&arguments[0]instanceof h)t=arguments[0].left,e=arguments[0].top,n=arguments[0].width,r=arguments[0].height;else{if(4!==arguments.length)throw Error("not a valid rectangle specification");t=arguments[0],e=arguments[1],n=arguments[2],r=arguments[3]}return{left:t||0,top:e||0,width:n||0,height:r||0}}var i=t("./gamejs/utils/matrix"),o=t("./gamejs/utils/objects"),a=t("./gamejs/callback").Callback,s=["info","warn","error","fatal"],u=2;n.setLogLevel=function(t){if("string"==typeof t&&s.indexOf(t))u=s.indexOf(t);else{if("number"!=typeof t)throw Error("invalid logLevel ",t," Must be one of: ",s);u=t}return u};var c=n.log=function(){if(f.worker.inWorker===!0)return f.worker._logMessage(arguments),void 0;var t=Array.prototype.slice.apply(arguments,[0]);t.unshift(Date.now()),void 0!==window.console&&console.log.apply&&console.log.apply(console,t)};n.info=function(){s.indexOf("info")>=u&&c.apply(this,arguments)},n.warn=function(){s.indexOf("warn")>=u&&c.apply(this,arguments)},n.error=function(){s.indexOf("error")>=u&&c.apply(this,arguments)},n.fatal=function(){s.indexOf("fatal")>=u&&c.apply(this,arguments)};var h=n.Rect=function(){var t=r.apply(this,arguments);return this.left=t.left,this.top=t.top,this.width=t.width,this.height=t.height,this};o.accessors(h.prototype,{bottom:{get:function(){return this.top+this.height},set:function(t){this.top=t-this.height}},right:{get:function(){return this.left+this.width},set:function(t){this.left=t-this.width}},center:{get:function(){return[0|this.left+this.width/2,0|this.top+this.height/2]},set:function(){var t=r.apply(this,arguments);this.left=0|t.left-this.width/2,this.top=0|t.top-this.height/2}},topleft:{get:function(){return[this.left,this.top]},set:function(){var t=r.apply(this,arguments);this.left=t.left,this.top=t.top}},bottomleft:{get:function(){return[this.left,this.bottom]},set:function(){var t=r.apply(this,arguments);this.left=t.left,this.bottom=t.top}},topright:{get:function(){return[this.right,this.top]},set:function(){var t=r.apply(this,arguments);this.right=t.left,this.top=t.top}},bottomright:{get:function(){return[this.right,this.bottom]},set:function(){var t=r.apply(this,arguments);this.right=t.left,this.bottom=t.top}},x:{get:function(){return this.left},set:function(t){this.left=t}},y:{get:function(){return this.top},set:function(t){this.top=t}}}),h.prototype.move=function(){var t=r.apply(this,arguments);return new h(this.left+t.left,this.top+t.top,this.width,this.height)},h.prototype.moveIp=function(){var t=r.apply(this,arguments);this.left+=t.left,this.top+=t.top},h.prototype.clip=function(t){if(!this.collideRect(t))return new h(0,0,0,0);var e,n,r,i;return this.left>=t.left&&this.left<t.right?e=this.left:t.left>=this.left&&t.left<this.right&&(e=t.left),this.right>t.left&&this.right<=t.right?r=this.right-e:t.right>this.left&&t.right<=this.right&&(r=t.right-e),this.top>=t.top&&this.top<t.bottom?n=this.top:t.top>=this.top&&t.top<this.bottom&&(n=t.top),this.bottom>t.top&&this.bottom<=t.bottom?i=this.bottom-n:t.bottom>this.top&&t.bottom<=this.bottom&&(i=t.bottom-n),new h(e,n,r,i)},h.prototype.union=function(t){var e,n,r,i;return e=Math.min(this.left,t.left),n=Math.min(this.top,t.top),r=Math.max(this.right,t.right)-e,i=Math.max(this.bottom,t.bottom)-n,new h(e,n,r,i)},h.prototype.inflate=function(t,e){var n=this.clone();return n.inflateIp(t,e),n},h.prototype.inflateIp=function(t,e){this.left-=Math.floor(t/2),this.top-=Math.floor(e/2),this.width+=t,this.height+=e},h.prototype.collidePoint=function(){var t=r.apply(this,arguments);return this.left<=t.left&&t.left<=this.right&&this.top<=t.top&&t.top<=this.bottom},h.prototype.collideRect=function(t){return!(this.left>t.right||this.right<t.left||this.top>t.bottom||this.bottom<t.top)},h.prototype.collideLine=function(t,e){function n(t){var e=t[0],n=t[1];return(a-i)*e+(r-o)*n+(o*i-r*a)}var r=t[0],i=t[1],o=e[0],a=e[1],s=[[this.left,this.top],[this.left,this.bottom],[this.right,this.top],[this.right,this.bottom]].map(n),u=!0,c=!0,h=!0;return s.forEach(function(t){t>0?c=!1:0>t?u=!1:0===t&&(h=!1)},this),(u||c)&&h?!1:!(r>this.right&&o>this.right||this.left>r&&this.left>o||this.top>i&&this.top>a||i>this.bottom&&a>this.bottom)},h.prototype.toString=function(){return["[",this.left,",",this.top,"]"," 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e=this.getSize();t=t||new h(0,0,e[0],e[1]),this.context.clearRect(t.left,t.top,t.width,t.height)},o.accessors(l.prototype,{rect:{get:function(){return this.getRect()}},context:{get:function(){return this._context}},canvas:{get:function(){return this._canvas}}}),l.prototype.clone=function(){var t=new l(this.getRect());return t.blit(this),t},l.prototype.getAlpha=function(){return 1-this._blitAlpha},l.prototype.setAlpha=function(t){return isNaN(t)||0>t||t>1?void 0:(this._blitAlpha=1-t,1-this._blitAlpha)},l.prototype.getImageData=function(){var t=this.getSize();return this.context.getImageData(0,0,t[0],t[1])},n.display=t("./gamejs/display"),n.draw=t("./gamejs/draw"),n.event=t("./gamejs/event"),n.font=t("./gamejs/font"),n.http=t("./gamejs/http"),n.image=t("./gamejs/image"),n.mask=t("./gamejs/mask"),n.mixer=t("./gamejs/mixer"),n.sprite=t("./gamejs/sprite"),n.surfacearray=t("./gamejs/surfacearray"),n.time=t("./gamejs/time"),n.transform=t("./gamejs/transform"),n.utils={arrays:t("./gamejs/utils/arrays"),objects:t("./gamejs/utils/objects"),matrix:t("./gamejs/utils/matrix"),vectors:t("./gamejs/utils/vectors"),math:t("./gamejs/utils/math"),uri:t("./gamejs/utils/uri"),prng:t("./gamejs/utils/prng"),base64:t("./gamejs/utils/base64")},n.pathfinding={astar:t("./gamejs/pathfinding/astar")},n.worker=t("./gamejs/worker"),n.xml=t("./gamejs/xml"),n.tmx=t("./gamejs/tmx"),n.noise=t("./gamejs/noise");var f=n,p={};n.ready=f.worker.inWorker===!0?function(e){t("./gamejs/worker")._ready(),f.init(),e()}:function(t){function e(){if(!document.body)return window.setTimeout(e,50);o=f.image.preload(p);try{i=f.mixer.preload(p)}catch(t){f.debug("Error loading audio files ",t)}window.setTimeout(n,50)}function n(){return 1>o()||1>i()?window.setTimeout(n,100):(f.display.init(),f.image.init(),f.mixer.init(),f.event.init(),f.utils.prng.init(),t(),void 0)}function r(){return o?.5*o()+.5*i():.1}var i=null,o=null;return f.time.init(),window.setTimeout(e,13),r},n.init=function(){var t={};return["time","display","image","mixer","event"].forEach(function(e){try{f[e].init()}catch(n){t[e]=""+n}}),t};var m=function(){return window.$g&&window.$g.resourceBaseHref||document.location.href};n.preload=function(e){var n=t("./gamejs/utils/uri"),r=m();e.forEach(function(t){p[t]=n.resolve(r,t)},this)},n.onEvent=function(t,e){n.event._CALLBACK=new a(t,e)},n.onTick=function(t,e){n.time._CALLBACK=new a(t,e)}},{"./gamejs/callback":3,"./gamejs/display":4,"./gamejs/draw":5,"./gamejs/event":6,"./gamejs/font":7,"./gamejs/http":8,"./gamejs/image":9,"./gamejs/mask":10,"./gamejs/mixer":11,"./gamejs/noise":12,"./gamejs/pathfinding/astar":13,"./gamejs/sprite":14,"./gamejs/surfacearray":15,"./gamejs/time":16,"./gamejs/tmx":17,"./gamejs/transform":18,"./gamejs/utils/arrays":19,"./gamejs/utils/base64":20,"./gamejs/utils/math":22,"./gamejs/utils/matrix":23,"./gamejs/utils/objects":24,"./gamejs/utils/prng":25,"./gamejs/utils/uri":26,"./gamejs/utils/vectors":27,"./gamejs/worker":28,"./gamejs/xml":29}],gamejs:[function(t,e){e.exports=t("GUIWXK")},{}],3:[function(t,e,n){var r=n.Callback=function(t,e){return this.fn=t,this.fnScope=e||{},this};r.prototype.trigger=function(){this.fn.apply(this.fnScope,arguments)}},{}],4:[function(t,e,n){var r=t("../gamejs").Surface,i="gjs-canvas",o=null,a=n.DISABLE_SMOOTHING=2,s=n.FULLSCREEN=4,u=n.POINTERLOCK=8,c=0,h=function(){var t=document.getElementById(i);return t||(t=document.createElement("canvas"),t.setAttribute("id",i),document.body.appendChild(t)),t},l=function(){var t=document.getElementById("gjs-fullscreen-toggle");if(!t){t=document.createElement("button"),t.innerHTML="Fullscreen",t.id="gjs-fullscreen-toggle";var e=h();e.parentNode.insertBefore(t,e),e.parentNode.insertBefore(document.createElement("br"),e)}return t},f=function(){var e={type:p()?t("./event").DISPLAY_FULLSCREEN_ENABLED:t("./event").DISPLAY_FULLSCREEN_DISABLED};p()&&c&u&&g(),t("./event")._triggerCallback(e)};n.hasPointerLock=function(){return!!(document.pointerLockElement||document.webkitFullscreenElement||document.mozFullscreenElement||document.mozFullScreenElement)},n.init=function(){var t=h();t.getAttribute("tabindex")||(t.setAttribute("tabindex",1),t.focus());var e=document.getElementById("gjs-loader");e&&(e.style.display="none")};var p=n.isFullscreen=function(){return document.fullScreenElement||document.mozFullScreen||document.webkitIsFullScreen||document.webkitDisplayingFullscreen},m=function(){var t=h();return t.requestFullScreen=t.requestFullScreen||t.mozRequestFullScreen||t.webkitRequestFullScreen,t.requestFullScreen?(Element.ALLOW_KEYBOARD_INPUT?t.webkitRequestFullScreen(Element.ALLOW_KEYBOARD_INPUT):t.requestFullScreen(),!0):!1},g=function(){var t=h();t.requestPointerLock=t.requestPointerLock||t.mozRequestPointerLock||t.webkitRequestPointerLock,t.requestPointerLock&&t.requestPointerLock()};n._hasFocus=function(){return document.activeElement==h()},n.setMode=function(t,e){o=null;var n=h();if(n.width=t[0],n.height=t[1],c=c||e,c&u&&(c|=s),c&s){var 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o=t.context;o.save(),o.beginPath(),o.strokeStyle=e,o.lineWidth=i||1,o.moveTo(n[0],n[1]),o.lineTo(r[0],r[1]),o.stroke(),o.restore()},n.lines=function(t,e,n,r,i){n=n||!1;var o=t.context;o.save(),o.beginPath(),o.strokeStyle=o.fillStyle=e,o.lineWidth=i||1,r.forEach(function(t,e){0===e?o.moveTo(t[0],t[1]):o.lineTo(t[0],t[1])}),n&&o.lineTo(r[0][0],r[0][1]),o.stroke(),o.restore()},n.circle=function(t,e,n,r,i){if(!r)throw Error("[circle] radius required argument");if(!(n&&n instanceof Array))throw Error("[circle] pos must be given & array"+n);var o=t.context;o.save(),o.beginPath(),o.strokeStyle=o.fillStyle=e,o.lineWidth=i||1,o.arc(n[0],n[1],r,0,2*Math.PI,!0),void 0===i||0===i?o.fill():o.stroke(),o.restore()},n.rect=function(t,e,n,r){var i=t.context;i.save(),i.beginPath(),i.strokeStyle=i.fillStyle=e,isNaN(r)||0===r?i.fillRect(n.left,n.top,n.width,n.height):(i.lineWidth=r||1,i.strokeRect(n.left,n.top,n.width,n.height)),i.restore()},n.arc=function(t,e,n,r,i,o){var a=t.context;a.save(),a.beginPath(),a.strokeStyle=a.fillStyle=e,a.arc(n.center[0],n.center[1],n.width/2,r*(Math.PI/180),i*(Math.PI/180),!1),isNaN(o)||0===o?a.fill():(a.lineWidth=o||1,a.stroke()),a.restore()},n.polygon=function(t,e,n,r){var i=t.context;i.save(),i.fillStyle=i.strokeStyle=e,i.beginPath(),n.forEach(function(t,e){0==e?i.moveTo(t[0],t[1]):i.lineTo(t[0],t[1])}),i.closePath(),isNaN(r)||0===r?i.fill():(i.lineWidth=r||1,i.stroke()),i.restore()},n.quadraticCurve=function(t,e,n,r,i,o){if(!(n&&n instanceof Array))throw Error("[quadratic_curve] startPos must be defined!");if(!(r&&r instanceof Array))throw Error("[quadratic_curve] endPos must be defined!");if(!(i&&i instanceof Array))throw Error("[quadratic_curve] controlPos must be defined!");var a=t.context;a.save(),a.fillStyle=a.strokeStyle=e,a.lineWidth=o||1,a.beginPath(),a.moveTo(n[0],n[1]),a.quadraticCurveTo(i[0],i[1],r[0],r[1]),a.stroke(),a.restore()},n.bezierCurve=function(t,e,n,r,i,o,a){if(!(n&&n instanceof Array))throw Error("[bezier_curve] startPos must be defined!");if(!(r&&r instanceof Array))throw Error("[bezier_curve] endPos must be defined!");if(!(i&&i instanceof Array))throw Error("[bezier_curve] ct1Pos must be defined!");if(!(o&&o instanceof Array))throw Error("[bezier_curve] ct2Pos must be defined!");var s=t.context;s.save(),s.fillStyle=s.strokeStyle=e,s.lineWidth=a||1,s.beginPath(),s.moveTo(n[0],n[1]),s.bezierCurveTo(i[0],i[1],o[0],o[1],r[0],r[1]),s.stroke(),s.restore()}},{}],6:[function(t,e,n){var r=t("./display"),i=t("./callback").Callback;n._CALLBACK=new i(function(){},{}),n._triggerCallback=function(){n._CALLBACK.trigger.apply(n._CALLBACK,arguments)},n.K_UP=38,n.K_DOWN=40,n.K_RIGHT=39,n.K_LEFT=37,n.K_SPACE=32,n.K_BACKSPACE=8,n.K_TAB=9,n.K_ENTER=13,n.K_SHIFT=16,n.K_CTRL=17,n.K_ALT=18,n.K_ESC=27,n.K_0=48,n.K_1=49,n.K_2=50,n.K_3=51,n.K_4=52,n.K_5=53,n.K_6=54,n.K_7=55,n.K_8=56,n.K_9=57,n.K_a=65,n.K_b=66,n.K_c=67,n.K_d=68,n.K_e=69,n.K_f=70,n.K_g=71,n.K_h=72,n.K_i=73,n.K_j=74,n.K_k=75,n.K_l=76,n.K_m=77,n.K_n=78,n.K_o=79,n.K_p=80,n.K_q=81,n.K_r=82,n.K_s=83,n.K_t=84,n.K_u=85,n.K_v=86,n.K_w=87,n.K_x=88,n.K_y=89,n.K_z=90,n.K_KP1=97,n.K_KP2=98,n.K_KP3=99,n.K_KP4=100,n.K_KP5=101,n.K_KP6=102,n.K_KP7=103,n.K_KP8=104,n.K_KP9=105,n.NOEVENT=0,n.NUMEVENTS=32e3,n.DISPLAY_FULLSCREEN_ENABLED=300,n.DISPLAY_FULLSCREEN_DISABLED=301,n.QUIT=0,n.KEY_DOWN=1,n.KEY_UP=2,n.MOUSE_MOTION=3,n.MOUSE_UP=4,n.MOUSE_DOWN=5,n.MOUSE_WHEEL=6,n.USEREVENT=2e3,n.Event=function(){this.type=null,this.key=null,this.rel=null,this.button=null,this.pos=null},n.init=function(){function t(t){var e=r._getCanvasOffset();n._CALLBACK.trigger({type:n.MOUSE_DOWN,pos:[t.clientX-e[0],t.clientY-e[1]],button:t.button,shiftKey:t.shiftKey,ctrlKey:t.ctrlKey,metaKey:t.metaKey})}function e(t){var e=r._getCanvasOffset();n._CALLBACK.trigger({type:n.MOUSE_UP,pos:[t.clientX-e[0],t.clientY-e[1]],button:t.button,shiftKey:t.shiftKey,ctrlKey:t.ctrlKey,metaKey:t.metaKey})}function i(t){var e=t.keyCode||t.which;n._CALLBACK.trigger({type:n.KEY_DOWN,key:e,shiftKey:t.shiftKey,ctrlKey:t.ctrlKey,metaKey:t.metaKey}),(r._hasFocus()&&!t.ctrlKey&&!t.metaKey&&(e>=n.K_LEFT&&n.K_DOWN>=e||e>=n.K_0&&n.K_z>=e||e>=n.K_KP1&&n.K_KP9>=e||e===n.K_SPACE||e===n.K_TAB||e===n.K_ENTER)||e===n.K_ALT||e===n.K_BACKSPACE)&&t.preventDefault()}function o(t){n._CALLBACK.trigger({type:n.KEY_UP,key:t.keyCode,shiftKey:t.shiftKey,ctrlKey:t.ctrlKey,metaKey:t.metaKey})}function a(t){var e=r._getCanvasOffset(),i=[t.clientX-e[0],t.clientY-e[1]],o=[];c.length&&(o=[c[0]-i[0],c[1]-i[1]]),n._CALLBACK.trigger({type:n.MOUSE_MOTION,pos:i,rel:o,buttons:null,timestamp:t.timeStamp,movement:[t.movementX||t.mozMovementX||t.webkitMovementX||0,t.movementY||t.mozMovementY||t.webkitMovementY||0]}),c=i}function s(t){var e=r._getCanvasOffset(),i=[t.clientX-e[0],t.clientY-e[1]];n._CALLBACK.trigger({type:n.MOUSE_WHEEL,pos:i,delta:t.detail||-t.wheelDeltaY/40})}function u(){n._CALLBACK.trigger({type:n.QUIT})}var c=[],h=r.getSurface()._canvas;document.addEventListener("mousedown",t,!1),document.addEventListener("mouseup",e,!1),document.addEventListener("keydown",i,!1),document.addEventListener("keyup",o,!1),document.addEventListener("mousemove",a,!1),h.addEventListener("mousewheel",s,!1),h.addEventListener("DOMMouseScroll",s,!1),h.addEventListener("beforeunload",u,!1)}},{"./callback":3,"./display":4}],7:[function(t,e,n){var r=t("../gamejs").Surface,i=t("./utils/objects"),o=n.Font=function(t,e){return this.sampleSurface=new r([10,10]),this.sampleSurface.context.font=t,this.sampleSurface.context.textAlign="start",this.sampleSurface.context.textBaseline="bottom",this.backgroundColor=e||!1,this};o.prototype.render=function(t,e){var n=this.size(t),i=new r(n),o=i.context;return o.save(),this.backgroundColor&&(o.fillStyle=this.backgroundColor,o.fillRect(0,0,i.rect.width,i.rect.height)),o.font=this.sampleSurface.context.font,o.textBaseline=this.sampleSurface.context.textBaseline,o.textAlign=this.sampleSurface.context.textAlign,o.fillStyle=o.strokeStyle=e||"#000000",o.fillText(t,0,i.rect.height,i.rect.width),o.restore(),i},o.prototype.size=function(t){var e=this.sampleSurface.context.measureText(t);return[e.width,this.fontHeight]},i.accessors(o.prototype,{fontHeight:{get:function(){return 1.5*this.sampleSurface.context.measureText("M").width}}})},{"../gamejs":"GUIWXK","./utils/objects":24}],8:[function(require,module,exports){function stringify(response){return eval("("+response.responseText+")")}function ajaxBaseHref(){return window.$g&&window.$g.ajaxBaseHref||"./"}exports.Response=function(){throw this.getResponseHeader=function(){},Error("response class not instantiable")};var ajax=exports.ajax=function(t,e,n,r){n=n||null;var i=new XMLHttpRequest;return i.open(t,e,!1),r&&i.setRequestHeader("Accept",r),n instanceof Object&&(n=JSON.stringify(n),i.setRequestHeader("Content-Type","application/json")),i.setRequestHeader("X-Requested-With","XMLHttpRequest"),i.send(n),i},get=exports.get=function(t){return ajax("GET",t)},post=exports.post=function(t,e,n){return ajax("POST",t,e,n)};exports.load=function(t){return stringify(get(ajaxBaseHref()+t))},exports.save=function(t,e,n){return stringify(post(ajaxBaseHref()+t,{payload:e},n))}},{}],9:[function(t,e,n){var r=t("../gamejs"),i={},o=!1;n.load=function(t){var e;if("string"==typeof t){if(e=i[t],!e)throw Error('Missing "'+t+'", gamejs.preload() all images before trying to load them.')}else e=t;var n=document.createElement("canvas");n.width=e.naturalWidth||e.width,n.height=e.naturalHeight||e.height;var o=n.getContext("2d");o.drawImage(e,0,0),e.getSize=function(){return[e.naturalWidth,e.naturalHeight]};var a=new r.Surface(e.getSize());return a._canvas=n,a._context=o,a},n.init=function(){},n.preload=function(t){function e(){c++,c==h&&(o=!1),0===c%10&&r.log("gamejs.image: preloaded  "+c+" of "+h)}function n(){return h>0?c/h:1}function i(){a(this),e()}function s(){throw e(),Error("Error loading "+this.src)}var u,c=0,h=0;for(u in t){var l=u.toLowerCase();if(-1!=l.indexOf(".png")||-1!=l.indexOf(".jpg")||-1!=l.indexOf(".jpeg")||-1!=l.indexOf(".svg")||-1!=l.indexOf(".gif")){var f=new Image;f.addEventListener("load",i,!0),f.addEventListener("error",s,!0),f.src=t[u],f.gamejsKey=u,h++}}return h>0&&(o=!0),n};var a=function(t){i[t.gamejsKey]=t}},{"../gamejs":"GUIWXK"}],10:[function(t,e,n){var r=t("../gamejs"),i=t("./utils/objects");n.fromSurface=function(t,e){e=e&&255-e||255;var n,r=t.getImageData().data,i=t.getSize(),a=new o(i);for(n=0;r.length>n;n+=4){var s=parseInt(n/4/i[0],10),u=parseInt(n/4%i[0],10),c=r[n+3];c>=e&&a.setAt(u,s)}return a};var o=n.Mask=function(t){this.width=t[0],this.height=t[1],this._bits=[];var e,n;for(e=0;this.width>e;e++)for(this._bits[e]=[],n=0;this.height>n;n++)this._bits[e][n]=!1};o.prototype.overlapRect=function(t,e){var n=this.rect,i=t.rect;if(e&&i.moveIp(e),!i.collideRect(n))return null;var o=Math.max(n.left,i.left),a=Math.min(n.right,i.right),s=Math.max(n.top,i.top),u=Math.min(n.bottom,i.bottom);return new r.Rect([o,s],[a-o,u-s])},o.prototype.overlap=function(t,e){var n=this.overlapRect(t,e);if(null===n)return!1;var r=this.rect,i=t.rect;e&&i.moveIp(e);var o,a;for(a=n.top;n.bottom>=a;a++)for(o=n.left;n.right>=o;o++)if(this.getAt(o-r.left,a-r.top)&&t.getAt(o-i.left,a-i.top))return!0;return!1},o.prototype.overlapArea=function(t,e){var n=this.overlapRect(t,e);if(null===n)return 0;var r=this.rect,i=t.rect;e&&i.moveIp(e);var o,a,s=0;for(a=n.top;n.bottom>=a;a++)for(o=n.left;n.right>=o;o++)this.getAt(o-r.left,a-r.top)&&t.getAt(o-i.left,a-i.top)&&s++;return s},o.prototype.overlapMask=function(t,e){var n=this.overlapRect(t,e);if(null===n)return 0;var r=this.rect,i=t.rect;e&&i.moveIp(e);var a,s,u=new o([n.width,n.height]);for(s=n.top;n.bottom>=s;s++)for(a=n.left;n.right>=a;a++)this.getAt(a-r.left,s-r.top)&&t.getAt(a-i.left,s-i.top)&&u.setAt(a,s);return u},o.prototype.setAt=function(t,e){this._bits[t][e]=!0},o.prototype.getAt=function(t,e){return t=parseInt(t,10),e=parseInt(e,10),0>t||0>e||t>=this.width||e>=this.height?!1:this._bits[t][e]},o.prototype.invert=function(){this._bits=this._bits.map(function(t){return t.map(function(t){return!t})})},o.prototype.getSize=function(){return[this.width,this.height]},i.accessors(o.prototype,{rect:{get:function(){return new r.Rect([0,0],[this.width,this.height])}},length:{get:function(){var t=0;return this._bits.forEach(function(e){e.forEach(function(e){e&&t++})}),t}}})},{"../gamejs":"GUIWXK","./utils/objects":24}],11:[function(t,e,n){function r(t){t instanceof Array||(t=[t]),document.location.href,t.forEach(function(t){i[t.gamejsKey]=t})}t("../gamejs");var i={},o=!1,a=8;n.setNumChannels=function(t){a=parseInt(t,10)||a},n.getNumChannels=function(){return a},n.init=function(){var t=Array.prototype.slice.call(document.getElementsByTagName("audio"),0);r(t)},n.preload=function(t){function e(){u++,u==s&&(o=!1)}function n(){return s>0?u/s:1}function i(){r(this),e()}function a(){throw e(),Error("Error loading "+this.src)}var s=0,u=0;for(var c in t)if(-1!=c.indexOf("wav")||-1!=c.indexOf("ogg")||-1!=c.indexOf("webm")){s++;var h=new Audio;h.addEventListener("canplay",i,!0),h.addEventListener("error",a,!0),h.src=t[c],h.gamejsKey=c,h.load()}return s>0&&(o=!0),n},n.isPreloading=function(){return o},n.Sound=function(t){var e;if(e="string"==typeof t?i[t]:t,!e)throw Error('Missing "'+t+'", gamejs.preload() all audio files before loading');for(var n=[],r=a;r-->0;){var o=new Audio;o.preload="auto",o.loop=!1,o.src=e.src,n.push(o)}return this.play=function(t){n.some(function(e){return e.ended||e.paused?(e.loop=!!t,e.play(),!0):!1})},this.stop=function(){n.forEach(function(t){t.stop()})},this.setVolume=function(t){n.forEach(function(e){e.volume=t})},this.getVolume=function(){return n[0].volume},this.getLength=function(){return n[0].duration},this}},{"../gamejs":"GUIWXK"}],12:[function(t,e,n){var r=n.Simplex=function(t){void 0==t&&(t=Math),this.grad3=[[1,1,0],[-1,1,0],[1,-1,0],[-1,-1,0],[1,0,1],[-1,0,1],[1,0,-1],[-1,0,-1],[0,1,1],[0,-1,1],[0,1,-1],[0,-1,-1]],this.p=[];var e;for(e=0;256>e;e++)this.p[e]=Math.floor(256*t.random());for(this.perm=[],e=0;512>e;e++)this.perm[e]=this.p[255&e];this.simplex=[[0,1,2,3],[0,1,3,2],[0,0,0,0],[0,2,3,1],[0,0,0,0],[0,0,0,0],[0,0,0,0],[1,2,3,0],[0,2,1,3],[0,0,0,0],[0,3,1,2],[0,3,2,1],[0,0,0,0],[0,0,0,0],[0,0,0,0],[1,3,2,0],[0,0,0,0],[0,0,0,0],[0,0,0,0],[0,0,0,0],[0,0,0,0],[0,0,0,0],[0,0,0,0],[0,0,0,0],[1,2,0,3],[0,0,0,0],[1,3,0,2],[0,0,0,0],[0,0,0,0],[0,0,0,0],[2,3,0,1],[2,3,1,0],[1,0,2,3],[1,0,3,2],[0,0,0,0],[0,0,0,0],[0,0,0,0],[2,0,3,1],[0,0,0,0],[2,1,3,0],[0,0,0,0],[0,0,0,0],[0,0,0,0],[0,0,0,0],[0,0,0,0],[0,0,0,0],[0,0,0,0],[0,0,0,0],[2,0,1,3],[0,0,0,0],[0,0,0,0],[0,0,0,0],[3,0,1,2],[3,0,2,1],[0,0,0,0],[3,1,2,0],[2,1,0,3],[0,0,0,0],[0,0,0,0],[0,0,0,0],[3,1,0,2],[0,0,0,0],[3,2,0,1],[3,2,1,0]]};r.prototype.dot=function(t,e,n){return t[0]*e+t[1]*n},r.prototype.get=function(t,e){var n,r,i,o,a,s=.5*(Math.sqrt(3)-1),u=(t+e)*s,c=Math.floor(t+u),h=Math.floor(e+u),l=(3-Math.sqrt(3))/6,f=(c+h)*l,p=c-f,m=h-f,g=t-p,d=e-m;g>d?(o=1,a=0):(o=0,a=1);var v=g-o+l,y=d-a+l,w=g-1+2*l,_=d-1+2*l,b=255&c,E=255&h,x=this.perm[b+this.perm[E]]%12,S=this.perm[b+o+this.perm[E+a]]%12,K=this.perm[b+1+this.perm[E+1]]%12,j=.5-g*g-d*d;0>j?n=0:(j*=j,n=j*j*this.dot(this.grad3[x],g,d));var A=.5-v*v-y*y;0>A?r=0:(A*=A,r=A*A*this.dot(this.grad3[S],v,y));var L=.5-w*w-_*_;return 0>L?i=0:(L*=L,i=L*L*this.dot(this.grad3[K],w,_)),70*(n+r+i)},r.prototype.get3d=function(t,e,n){var r,i,o,a,s,u,c,h,l,f,p=1/3,m=(t+e+n)*p,g=Math.floor(t+m),d=Math.floor(e+m),v=Math.floor(n+m),y=1/6,w=(g+d+v)*y,_=g-w,b=d-w,E=v-w,x=t-_,S=e-b,K=n-E;x>=S?S>=K?(s=1,u=0,c=0,h=1,l=1,f=0):x>=K?(s=1,u=0,c=0,h=1,l=0,f=1):(s=0,u=0,c=1,h=1,l=0,f=1):K>S?(s=0,u=0,c=1,h=0,l=1,f=1):K>x?(s=0,u=1,c=0,h=0,l=1,f=1):(s=0,u=1,c=0,h=1,l=1,f=0);var j=x-s+y,A=S-u+y,L=K-c+y,k=x-h+2*y,C=S-l+2*y,M=K-f+2*y,I=x-1+3*y,R=S-1+3*y,O=K-1+3*y,P=255&g,T=255&d,D=255&v,N=this.perm[P+this.perm[T+this.perm[D]]]%12,B=this.perm[P+s+this.perm[T+u+this.perm[D+c]]]%12,q=this.perm[P+h+this.perm[T+l+this.perm[D+f]]]%12,U=this.perm[P+1+this.perm[T+1+this.perm[D+1]]]%12,W=.6-x*x-S*S-K*K;0>W?r=0:(W*=W,r=W*W*this.dot(this.grad3[N],x,S,K));var z=.6-j*j-A*A-L*L;0>z?i=0:(z*=z,i=z*z*this.dot(this.grad3[B],j,A,L));var F=.6-k*k-C*C-M*M;0>F?o=0:(F*=F,o=F*F*this.dot(this.grad3[q],k,C,M));var H=.6-I*I-R*R-O*O;return 0>H?a=0:(H*=H,a=H*H*this.dot(this.grad3[U],I,R,O)),32*(r+i+o+a)}},{}],13:[function(t,e,n){function r(t){var e={};return this.store=function(n,r){e[t(n)]=r},this.find=function(n){return e[t(n)]},this}var i=t("../utils/binaryheap").BinaryHeap;n.findRoute=function(t,e,n,s){function u(e){return void 0===e.score&&(e.score=t.estimatedDistance(e.point,n)+e.length),e.score}function c(t){l.push(t),p.store(t.point,t)}function h(e){var n=p.find(e),r=g.length+t.actualDistance(g.point,e);(!n||n.length>r)&&(n&&l.remove(n),c({point:e,from:g,length:r}))}var l=new i(u),f="function"==typeof t.hash?t.hash:a,p=new r(f),m=Date.now(),g=null;c({point:e,from:null,length:0});for(var d="function"==typeof t.equals?t.equals:o;l.size()>0&&(!s||s>Date.now()-m);){if(g=l.pop(),d(n,g.point))return g;t.adjacent(g.point).forEach(h)}return null};var o=function(t,e){return t[0]===e[0]&&t[1]===e[1]},a=function(t){return t[0]+"-"+t[1]},s=n.Map=function(){throw Error("not instantiable, this is an interface")};s.prototype.adjacent=function(){},s.prototype.equals=o,s.prototype.hash=a,s.prototype.estimatedDistance=function(){return 1},s.prototype.actualDistance=function(){return 1}},{"../utils/binaryheap":21}],14:[function(t,e,n){t("../gamejs");var r=t("./utils/arrays"),i=t("./utils/objects"),o=t("./utils/vectors"),a=n.Sprite=function(){return this._groups=[],this._alive=!0,this.image=null,this.rect=null,i.accessor(this,"groups",function(){return this._groups}),this};a.prototype.kill=function(){this._alive=!1,this._groups.forEach(function(t){t.remove(this)},this)},a.prototype.remove=function(t){t instanceof Array||(t=[t]),t.forEach(function(t){t.remove(this)},this)},a.prototype.add=function(t){t instanceof Array||(t=[t]),t.forEach(function(t){t.add(this)},this)},a.prototype.groups=function(){return this._groups.slice(0)},a.prototype.draw=function(t){t.blit(this.image,this.rect)},a.prototype.update=function(){},a.prototype.isDead=function(){return!this._alive};var s=n.Group=function(){return this._sprites=[],(arguments[0]instanceof a||arguments[0]instanceof Array&&arguments[0].length&&arguments[0][0]instanceof a)&&this.add(arguments[0]),this};s.prototype.update=function(){var t=arguments;this._sprites.forEach(function(e){e.update.apply(e,t)},this)},s.prototype.add=function(t){t instanceof Array||(t=[t]),t.forEach(function(t){this._sprites.push(t),t._groups.push(this)},this)},s.prototype.remove=function(t){t instanceof Array||(t=[t]),t.forEach(function(t){r.remove(t,this._sprites),r.remove(this,t._groups)},this)},s.prototype.has=function(t){return t instanceof Array||(t=[t]),t.every(function(t){return-1!==this._sprites.indexOf(t)},this)},s.prototype.sprites=function(){return this._sprites},s.prototype.draw=function(){var t=arguments;this._sprites.forEach(function(e){e.draw.apply(e,t)},this)},s.prototype.clear=function(t,e){this._sprites.forEach(function(n){t.blit(e,n.rect)},this)},s.prototype.empty=function(){this._sprites=[]},s.prototype.splice=function(t,e){this._sprites.splice(t,e)},s.prototype.shift=function(){this._sprites.shift()},s.prototype.length=function(){return this._sprites.length},s.prototype.collidePoint=function(){var t=Array.prototype.slice.apply(arguments);return this._sprites.filter(function(e){return e.rect.collidePoint.apply(e.rect,t)},this)},s.prototype.forEach=function(t,e){return this._sprites.forEach(t,e)},s.prototype.some=function(t,e){return this._sprites.some(t,e)},n.spriteCollide=function(t,e,n,r){r=r||u,n=n||!1;var i=[];return e.sprites().forEach(function(e){r(t,e)&&(n&&e.kill(),i.push(e))}),i},n.groupCollide=function(t,e,n,r,i){n=n||!1,r=r||!1;var o=[],a=i||u;return t.sprites().forEach(function(t){e.sprites().forEach(function(e){a(t,e)&&(n&&t.kill(),r&&e.kill(),o.push({a:t,b:e}))})}),o};var u=n.collideRect=function(t,e){return t.rect.collideRect(e.rect)};n.collideMask=function(t,e){if(!t.mask||!e.mask)throw Error("Both sprites must have 'mask' attribute set to an gamejs.mask.Mask");var n=[e.rect.left-t.rect.left,e.rect.top-t.rect.top];return t.mask.overlap(e.mask,n)},n.collideCircle=function(t,e){var n=t.radius||Math.max(t.rect.width,t.rect.height),r=e.radius||Math.max(e.rect.width,e.rect.height);return n+r>=o.distance(t.rect.center,e.rect.center)}},{"../gamejs":"GUIWXK","./utils/arrays":19,"./utils/objects":24,"./utils/vectors":27}],15:[function(t,e,n){var 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package.json

{
  "name": "requirebin-sketch",
  "version": "1.0.0",
  "dependencies": {
    "gamejs": "1.0.0"
  }
}

page-head.html

<style type='text/css'>html, body { margin: 0; padding: 0; border: 0; }
body, html { height: 100%; width: 100%; }</style>

requirebin.md

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