347 lines
10 KiB
JavaScript
347 lines
10 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 MAP_ORIENTATION = { //地图方向
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'38':0,
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'39':1,
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'40':2,
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'37':3
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},
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MAP_DATA = [ //地图数据
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[1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1],
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[1,0,0,0,0,0,0,0,0,0,0,0,0,1,1,0,0,0,0,0,0,0,0,0,0,0,0,1],
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[1,0,1,1,1,1,0,1,1,1,1,1,0,1,1,0,1,1,1,1,1,0,1,1,1,1,0,1],
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[1,0,1,1,1,1,0,1,1,1,1,1,0,1,1,0,1,1,1,1,1,0,1,1,1,1,0,1],
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[1,0,1,1,1,1,0,1,1,1,1,1,0,1,1,0,1,1,1,1,1,0,1,1,1,1,0,1],
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[1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1],
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[1,0,1,1,1,1,0,1,1,0,1,1,1,1,1,1,1,1,0,1,1,0,1,1,1,1,0,1],
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[1,0,1,1,1,1,0,1,1,0,1,1,1,1,1,1,1,1,0,1,1,0,1,1,1,1,0,1],
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[1,0,0,0,0,0,0,1,1,0,0,0,0,1,1,0,0,0,0,1,1,0,0,0,0,0,0,1],
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[1,1,1,1,1,1,0,1,1,1,1,1,0,1,1,0,1,1,1,1,1,0,1,1,1,1,1,1],
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[0,0,0,0,0,1,0,1,1,1,1,1,0,1,1,0,1,1,1,1,1,0,1,0,0,0,0,0],
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[0,0,0,0,0,1,0,1,1,0,0,0,0,0,0,0,0,0,0,1,1,0,1,0,0,0,0,0],
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[0,0,0,0,0,1,0,1,1,0,1,1,1,0,0,1,1,1,0,1,1,0,1,0,0,0,0,0],
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[1,1,1,1,1,1,0,1,1,0,1,0,0,0,0,0,0,1,0,1,1,0,1,1,1,1,1,1],
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[0,0,0,0,0,0,0,0,0,0,1,0,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,0],
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[1,1,1,1,1,1,0,1,1,0,1,0,0,0,0,0,0,1,0,1,1,0,1,1,1,1,1,1],
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[0,0,0,0,0,1,0,1,1,0,1,1,1,1,1,1,1,1,0,1,1,0,1,0,0,0,0,0],
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[0,0,0,0,0,1,0,1,1,0,0,0,0,0,0,0,0,0,0,1,1,0,1,0,0,0,0,0],
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[0,0,0,0,0,1,0,1,1,0,1,1,1,1,1,1,1,1,0,1,1,0,1,0,0,0,0,0],
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[1,1,1,1,1,1,0,1,1,0,1,1,1,1,1,1,1,1,0,1,1,0,1,1,1,1,1,1],
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[1,0,0,0,0,0,0,0,0,0,0,0,0,1,1,0,0,0,0,0,0,0,0,0,0,0,0,1],
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[1,0,1,1,1,1,0,1,1,1,1,1,0,1,1,0,1,1,1,1,1,0,1,1,1,1,0,1],
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[1,0,1,1,1,1,0,1,1,1,1,1,0,1,1,0,1,1,1,1,1,0,1,1,1,1,0,1],
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[1,0,0,0,1,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1,1,0,0,0,1],
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[1,1,1,0,1,1,0,1,1,0,1,1,1,1,1,1,1,1,0,1,1,0,1,1,0,1,1,1],
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[1,1,1,0,1,1,0,1,1,0,1,1,1,1,1,1,1,1,0,1,1,0,1,1,0,1,1,1],
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[1,0,0,0,0,0,0,1,1,0,0,0,0,1,1,0,0,0,0,1,1,0,0,0,0,0,0,1],
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[1,0,1,1,1,1,1,1,1,1,1,1,0,1,1,0,1,1,1,1,1,1,1,1,1,1,0,1],
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[1,0,1,1,1,1,1,1,1,1,1,1,0,1,1,0,1,1,1,1,1,1,1,1,1,1,0,1],
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[1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1],
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[1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1]
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],
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MAP_SIZE = 20; //地图大小
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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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//绘制地图
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var map = stage.createMap({
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x:50,
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y:10,
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data:MAP_DATA,
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draw:function(context){
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var y_length = this.data.length;
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var x_length = this.data[0].length;
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for(var j=0; j<this.y_length; j++){
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for(var i=0; i<this.x_length; i++){
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context.lineWidth = 2;
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context.strokeStyle="#09C";
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if(this.get(i,j)){
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var code = 0;
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if(this.get(i,j-1)&&!(this.get(i-1,j-1)&&this.get(i+1,j-1)&&this.get(i-1,j)&&this.get(i+1,j))){
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if(j){
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code += 1000;
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}
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}
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if(this.get(i+1,j)&&!(this.get(i+1,j-1)&&this.get(i+1,j+1)&&this.get(i,j-1)&&this.get(i,j+1))){
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if(i<x_length-1){
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code += 100;
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}
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}
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if(this.get(i,j+1)&&!(this.get(i-1,j+1)&&this.get(i+1,j+1)&&this.get(i-1,j)&&this.get(i+1,j))){
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if(j<y_length-1){
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code += 10;
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}
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}
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if(this.get(i-1,j)&&!(this.get(i-1,j-1)&&this.get(i-1,j+1)&&this.get(i,j-1)&&this.get(i,j+1))){
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if(i){
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code += 1;
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}
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}
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if(code){
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var pos = this.coord2position(i,j);
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switch(code){
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case 1100:
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context.beginPath();
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context.arc(pos.x+this.size/2,pos.y-this.size/2,this.size/2,.5*Math.PI,1*Math.PI,false);
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context.stroke();
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context.closePath();
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break;
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case 110:
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context.beginPath();
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context.arc(pos.x+this.size/2,pos.y+this.size/2,this.size/2,Math.PI,1.5*Math.PI,false);
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context.stroke();
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context.closePath();
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break;
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case 11:
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context.beginPath();
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context.arc(pos.x-this.size/2,pos.y+this.size/2,this.size/2,1.5*Math.PI,2*Math.PI,false);
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context.stroke();
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context.closePath();
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break;
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case 1001:
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context.beginPath();
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context.arc(pos.x-this.size/2,pos.y-this.size/2,this.size/2,0,.5*Math.PI,false);
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context.stroke();
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context.closePath();
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break;
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default:
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var arr = String.prototype.split.call(code,'');
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if(+arr.pop()){
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context.beginPath();
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context.moveTo(pos.x,pos.y);
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context.lineTo(pos.x-this.size/2,pos.y);
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context.stroke();
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context.closePath();
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}
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if(+arr.pop()){
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context.beginPath();
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context.moveTo(pos.x,pos.y);
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context.lineTo(pos.x,pos.y+this.size/2);
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context.stroke();
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context.closePath();
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}
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if(+arr.pop()){
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context.beginPath();
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context.moveTo(pos.x,pos.y);
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context.lineTo(pos.x+this.size/2,pos.y);
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context.stroke();
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context.closePath();
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}
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if(+arr.pop()){
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context.beginPath();
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context.moveTo(pos.x,pos.y);
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context.lineTo(pos.x,pos.y-this.size/2);
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context.stroke();
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context.closePath();
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}
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}
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}
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}
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}
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}
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}
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});
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//主角
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var pos = map.coord2position(14,23);
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var player = stage.createItem({
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x:pos.x-MAP_SIZE/2,
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y:pos.y,
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width:30,
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height:30,
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orientation:3,
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speed:10,
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update:function(){
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var coord = map.position2coord(this.x,this.y);
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var steps = 2;
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if(!coord.offset){
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if(typeof this.control.orientation!='undefined'){
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switch(this.control.orientation){
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case 0:
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if(!map.get(coord.x,coord.y-1)){
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this.orientation = this.control.orientation;
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}
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break;
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case 1:
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if(!map.get(coord.x+1,coord.y)){
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this.orientation = this.control.orientation;
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}
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break;
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case 2:
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if(!map.get(coord.x,coord.y+1)){
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this.orientation = this.control.orientation;
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}
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break;
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case 3:
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if(!map.get(coord.x-1,coord.y)){
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this.orientation = this.control.orientation;
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}
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break;
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}
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}
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this.control = {};
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switch(this.orientation){
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case 0:
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var value = map.get(coord.x,coord.y-1);
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if(value==0){
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this.y-=steps;
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}else if(value<0){
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this.y += map.size*(map.y_length-1);
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}
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break;
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case 1:
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var value = map.get(coord.x+1,coord.y);
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if(value==0){
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this.x+=steps;
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}else if(value<0){
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this.x -= map.size*(map.x_length-1);
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}
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break;
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case 2:
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var value = map.get(coord.x,coord.y+1);
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if(value==0){
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this.y+=steps;
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}else if(value<0){
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this.y -= map.size*(map.y_length-1);
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}
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break;
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case 3:
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var value = map.get(coord.x-1,coord.y);
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if(value==0){
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this.x-=steps;
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}else if(value<0){
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this.x += map.size*(map.x_length-1);
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}
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break;
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}
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}else{
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switch(this.orientation){
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case 0:
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this.y-=steps;
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break;
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case 1:
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this.x+=steps;
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break;
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case 2:
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this.y+=steps;
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break;
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case 3:
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this.x-=steps;
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break;
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}
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}
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},
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draw:function(context){
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context.fillStyle = '#FC3';
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context.beginPath();
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switch(this.orientation){
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case 0:
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if(this.frames%2){
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context.arc(this.x,this.y,this.width/2,1.70*Math.PI,1.30*Math.PI,false);
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}else{
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context.arc(this.x,this.y,this.width/2,1.51*Math.PI,1.49*Math.PI,false);
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}
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break;
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case 1:
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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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break;
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case 2:
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if(this.frames%2){
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context.arc(this.x,this.y,this.width/2,.70*Math.PI,.30*Math.PI,false);
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}else{
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context.arc(this.x,this.y,this.width/2,.51*Math.PI,.49*Math.PI,false);
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}
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break;
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case 3:
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if(this.frames%2){
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context.arc(this.x,this.y,this.width/2,1.20*Math.PI,.80*Math.PI,false);
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}else{
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context.arc(this.x,this.y,this.width/2,1.01*Math.PI,.99*Math.PI,false);
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}
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break;
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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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}
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});
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stage.bind('keydown',function(e){
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player.control = {orientation:MAP_ORIENTATION[e.keyCode]};
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});
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})();
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game.init();
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game.nextStage(); //测试游戏主布景
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})(); |