103 lines
2.3 KiB
JavaScript
103 lines
2.3 KiB
JavaScript
//主程序,业务逻辑
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(function(){
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var game = new Game('canvas');
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//启动页
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(function(){
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var stage = game.createStage();
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stage.bind('keydown',function(e){
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switch(e.keyCode){
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case 13:
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case 32:
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game.nextStage();
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break;
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}
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});
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//logo
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stage.createItem({
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x:game.width/2,
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y:game.height*.45,
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width:100,
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height:100,
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speed:10,
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draw:function(context){
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context.fillStyle = '#FC3';
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context.beginPath();
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if(this.frames%2){
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context.arc(this.x,this.y,this.width/2,.20*Math.PI,1.80*Math.PI,false);
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}else{
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context.arc(this.x,this.y,this.width/2,.01*Math.PI,1.99*Math.PI,false);
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}
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context.lineTo(this.x,this.y);
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context.closePath();
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context.fill();
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context.fillStyle = '#000';
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context.beginPath();
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context.arc(this.x+5,this.y-27,7,0,2*Math.PI,false);
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context.closePath();
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context.fill();
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}
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});
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//游戏名
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stage.createItem({
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x:game.width/2,
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y:game.height*.6,
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draw:function(context){
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context.font = 'bold 42px Helvetica';
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context.textAlign = 'center';
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context.textBaseline = 'middle';
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context.fillStyle = '#FFF';
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context.fillText('Pac-Man',this.x,this.y);
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}
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});
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//版权信息
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stage.createItem({
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x:game.width-12,
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y:game.height-5,
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draw:function(context){
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context.font = '14px Helvetica';
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context.textAlign = 'right';
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context.textBaseline = 'bottom';
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context.fillStyle = '#AAA';
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context.fillText('© passer-by.com',this.x,this.y);
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}
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});
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})();
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//游戏主程序
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(function(){
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var stage = game.createStage();
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stage.bind('keydown',function(e){
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switch(e.keyCode){
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case 13:
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case 32:
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this.status = this.status==2?1:2;
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break;
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}
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});
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//logo
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stage.createItem({
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x:game.width/2,
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y:game.height*.45,
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width:100,
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height:100,
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speed:10,
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draw:function(context){
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context.fillStyle = '#FC3';
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context.beginPath();
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if(this.frames%2){
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context.arc(this.x,this.y,this.width/2,.20*Math.PI,1.80*Math.PI,false);
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}else{
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context.arc(this.x,this.y,this.width/2,.01*Math.PI,1.99*Math.PI,false);
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}
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context.lineTo(this.x,this.y);
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context.closePath();
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context.fill();
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context.fillStyle = '#000';
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context.beginPath();
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context.arc(this.x+5,this.y-27,7,0,2*Math.PI,false);
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context.closePath();
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context.fill();
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}
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});
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})();
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game.init();
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})(); |