102 lines
2.1 KiB
JavaScript
Executable file
102 lines
2.1 KiB
JavaScript
Executable file
ig.module(
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'impact.loader'
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)
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.requires(
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'impact.image',
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'impact.font',
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'impact.sound'
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)
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.defines(function(){ "use strict";
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ig.Loader = ig.Class.extend({
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resources: [],
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gameClass: null,
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status: 0,
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done: false,
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_unloaded: [],
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_drawStatus: 0,
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_intervalId: 0,
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_loadCallbackBound: null,
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init: function( gameClass, resources ) {
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this.gameClass = gameClass;
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this.resources = resources;
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this._loadCallbackBound = this._loadCallback.bind(this);
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for( var i = 0; i < this.resources.length; i++ ) {
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this._unloaded.push( this.resources[i].path );
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}
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},
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load: function() {
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ig.system.clear( '#000' );
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if( !this.resources.length ) {
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this.end();
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return;
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}
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for( var i = 0; i < this.resources.length; i++ ) {
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this.loadResource( this.resources[i] );
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}
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this._intervalId = setInterval( this.draw.bind(this), 16 );
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},
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loadResource: function( res ) {
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res.load( this._loadCallbackBound );
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},
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end: function() {
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if( this.done ) { return; }
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this.done = true;
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clearInterval( this._intervalId );
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ig.system.setGame( this.gameClass );
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},
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draw: function() {
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ig.system.context.clearRect( 0 ,0, ig.system.realWidth, ig.system.realHeight );
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this._drawStatus += (this.status - this._drawStatus)/5;
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var s = ig.system.scale;
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var w = ig.system.width * 0.6;
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var h = ig.system.height * 0.1;
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var x = ig.system.width * 0.5-w/2;
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var y = ig.system.height * 0.5-h/2;
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ig.system.context.fillStyle = '#000';
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//ig.system.context.fillRect( 0, 0, 480, 320 );
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ig.system.context.fillStyle = '#fff';
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ig.system.context.fillRect( x*s, y*s, w*s, h*s );
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ig.system.context.fillStyle = '#000';
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ig.system.context.fillRect( x*s+s, y*s+s, w*s-s-s, h*s-s-s );
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ig.system.context.fillStyle = '#fff';
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ig.system.context.fillRect( x*s, y*s, w*s*this._drawStatus, h*s );
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},
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_loadCallback: function( path, status ) {
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if( status ) {
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this._unloaded.erase( path );
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}
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else {
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throw( 'Failed to load resource: ' + path );
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}
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this.status = 1 - (this._unloaded.length / this.resources.length);
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if( this._unloaded.length == 0 ) { // all done?
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setTimeout( this.end.bind(this), 250 );
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}
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}
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});
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}); |