吃豆游戏结束记分

This commit is contained in:
郑浩乐 2016-01-14 21:45:00 +08:00
parent b76fc00f3c
commit d6524c9480
2 changed files with 139 additions and 75 deletions

136
game.js
View File

@ -22,7 +22,7 @@ function Game(id,params){
var _context = $canvas.getContext('2d'); //画布上下文环境
var _stages = []; //布景对象队列
var _events = {}; //事件集合
var _index, //当前布景索引
var _index=0, //当前布景索引
_hander; //帧动画控制
//活动对象构造
var Item = function(params){
@ -196,60 +196,9 @@ function Game(id,params){
};
_extend(this,this._settings,this._params);
};
//动画开始
Stage.prototype.start = function() {
var requestAnimationFrame = window.requestAnimationFrame || window.webkitRequestAnimationFrame ||window.mozRequestAnimationFrame ||window.msRequestAnimationFrame;
var f = 0; //帧数计算
var stage = this;
var fn = function(){
_context.clearRect(0,0,_.width,_.height); //清除画布
f++;
if(stage.timeout){
stage.timeout--;
}
stage.update();
if(stage.maps.length){
stage.maps.forEach(function(map,index){
map.update();
map.draw(_context);
});
}
if(stage.items.length){
stage.items.forEach(function(item){
if(!(f%item.frames)){
item.times = f/item.frames; //计数器
}
if(stage.status==1&&item.status==1){ //对象及布景状态都处于正常状态下
if(item.location){
item.coord = item.location.position2coord(item.x,item.y);
}
if(item.timeout){
item.timeout--;
}
item.update();
}
item.draw(_context);
});
}
_hander = requestAnimationFrame(fn);
};
this.stop();
_hander = requestAnimationFrame(fn);
};
//动画结束
Stage.prototype.stop = function(){
var cancelAnimationFrame = window.cancelAnimationFrame || window.webkitCancelAnimationFrame||window.mozCancelAnimationFrame ||window.msCancelAnimationFrame;
_hander&&cancelAnimationFrame(_hander);
};
//重置
Stage.prototype.reset = function(){
_extend(this,this._settings,this._params);
this.maps.forEach(function(map){
_extend(map,map._settings,map._params);
map.stage = this;
map.y_length = map.data.length;
map.x_length = map.data[0].length;
}.bind(this));
//重置物体位置
Stage.prototype.resetItems = function(){
this.status = 1;
this.items.forEach(function(item,index){
_extend(item,item._settings,item._params);
item.index = index;
@ -261,6 +210,23 @@ function Game(id,params){
}
}.bind(this));
};
//重置地图
Stage.prototype.resetMaps = function(){
this.status = 1;
this.maps.forEach(function(map){
_extend(map,map._settings,map._params);
map.data = JSON.parse(JSON.stringify(map._params.data));
map.stage = this;
map.y_length = map.data.length;
map.x_length = map.data[0].length;
}.bind(this));
};
//重置
Stage.prototype.reset = function(){
_extend(this,this._settings,this._params);
this.resetItems();
this.resetMaps();
};
//添加对象
Stage.prototype.createItem = function(options){
var item = new Item(options);
@ -288,6 +254,7 @@ function Game(id,params){
Stage.prototype.createMap = function(options){
var map = new Map(options);
//动态属性
map.data = JSON.parse(JSON.stringify(map._params.data));
map.stage = this;
map.y_length = map.data.length;
map.x_length = map.data[0].length;
@ -308,6 +275,51 @@ function Game(id,params){
}
_events[eventType]['s'+this.index] = callback.bind(this); //绑定事件作用域
};
//动画开始
this.start = function() {
var requestAnimationFrame = window.requestAnimationFrame || window.webkitRequestAnimationFrame ||window.mozRequestAnimationFrame ||window.msRequestAnimationFrame;
var f = 0; //帧数计算
var fn = function(){
var stage = _stages[_index];
_context.clearRect(0,0,_.width,_.height); //清除画布
f++;
if(stage.timeout){
stage.timeout--;
}
if(stage.update()!=false){ //update返回false,则不绘制
if(stage.maps.length){
stage.maps.forEach(function(map,index){
map.update();
map.draw(_context);
});
}
if(stage.items.length){
stage.items.forEach(function(item){
if(!(f%item.frames)){
item.times = f/item.frames; //计数器
}
if(stage.status==1&&item.status==1){ //对象及布景状态都处于正常状态下
if(item.location){
item.coord = item.location.position2coord(item.x,item.y);
}
if(item.timeout){
item.timeout--;
}
item.update();
}
item.draw(_context);
});
}
}
_hander = requestAnimationFrame(fn);
};
_hander = requestAnimationFrame(fn);
};
//动画结束
this.stop = function(){
var cancelAnimationFrame = window.cancelAnimationFrame || window.webkitCancelAnimationFrame||window.mozCancelAnimationFrame ||window.msCancelAnimationFrame;
_hander&&cancelAnimationFrame(_hander);
};
//事件坐标
this.getPosition = function(e){
var box = $canvas.getBoundingClientRect();
@ -323,12 +335,18 @@ function Game(id,params){
_stages.push(stage);
return stage;
};
//指定布景
this.setStage = function(index){
_stages[_index].status = 0;
_index = index;
return _stages[_index];
};
//下个布景
this.nextStage = function(){
if(_index<_stages.length-1){
_stages[_index] = 0;
_stages[_index].status = 0;
_index++;
_stages[_index].start();
return _stages[_index];
}else{
throw new Error('unfound new stage.');
}
@ -336,8 +354,6 @@ function Game(id,params){
//初始化游戏引擎
this.init = function(){
_index = 0;
if(_stages[_index]){
_stages[_index].start();
}
this.start();
};
}

View File

@ -43,14 +43,6 @@
//启动页
(function(){
var stage = game.createStage();
stage.bind('keydown',function(e){
switch(e.keyCode){
case 13:
case 32:
game.nextStage();
break;
}
});
//logo
stage.createItem({
x:game.width/2,
@ -100,6 +92,15 @@
context.fillText('© passer-by.com',this.x,this.y);
}
});
//事件绑定
stage.bind('keydown',function(e){
switch(e.keyCode){
case 13:
case 32:
game.nextStage();
break;
}
});
})();
//游戏主程序
(function(){
@ -109,7 +110,7 @@
if(stage.status==1){
var player = stage.getItemsByType(1)[0];
var items = stage.getItemsByType(2);
items.forEach(function(item){
items.forEach(function(item){ //物体检测
var dx = item.x-player.x;
var dy = item.y-player.y;
if(dx*dx+dy*dy<750){
@ -117,10 +118,18 @@
stage.timeout = 30;
}
});
if(JSON.stringify(goods.data).indexOf(0)<0){
game.nextStage();
}
}else if(stage.status==3){
if(!stage.timeout){
_LIFE&&_LIFE--;
stage.reset();
_LIFE--;
if(_LIFE){
stage.resetItems();
}else{
game.nextStage();
return false;
}
}
}
}
@ -129,7 +138,7 @@
var map = stage.createMap({
x:60,
y:10,
data:JSON.parse(JSON.stringify(_DATA)),
data:_DATA,
draw:function(context){
for(var j=0; j<this.y_length; j++){
for(var i=0; i<this.x_length; i++){
@ -226,7 +235,7 @@
var goods = stage.createMap({
x:60,
y:10,
data:JSON.parse(JSON.stringify(_DATA)),
data:_DATA,
draw:function(context){
for(var j=0; j<this.y_length; j++){
for(var i=0; i<this.x_length; i++){
@ -432,7 +441,7 @@
}
});
}
//布景事件绑定
//事件绑定
stage.bind('keydown',function(e){
switch(e.keyCode){
case 13: //回车
@ -454,6 +463,45 @@
}
});
})();
//结束画面
(function(){
var stage = game.createStage();
//游戏结束
stage.createItem({
x:game.width/2,
y:game.height*.35,
draw:function(context){
context.fillStyle = '#FFF';
context.font = 'bold 48px Helvetica';
context.textAlign = 'center';
context.textBaseline = 'middle';
context.fillText('GAME OVER',this.x,this.y);
}
});
//记分
stage.createItem({
x:game.width/2,
y:game.height*.5,
draw:function(context){
context.fillStyle = '#FFF';
context.font = '20px Helvetica';
context.textAlign = 'center';
context.textBaseline = 'middle';
context.fillText('FINAL SCORE: '+(_SCORE+50*_LIFE),this.x,this.y);
}
});
//事件绑定
stage.bind('keydown',function(e){
switch(e.keyCode){
case 13: //回车
case 32: //空格
_SCORE = 0;
_LIFE = 3;
var st = game.setStage(1);
st.reset();
break;
}
});
})();
game.init();
game.nextStage(); //*测试*游戏主布景,完成后需关闭
})();