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FleeSquirrel.html
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<!doctype html>
<html>
<head>
<title>松鼠逃生</title>
<meta charset="utf-8">
<meta name="viewport" content="width=550">
<style type="text/css">
html{margin:0;padding:0;height:100%; width: 100%}
body{margin:0;padding:0;overflow:hidden;color:#333;background:#333;height:100%;}
canvas{display: block;}
</style>
</head>
<body>
<canvas id="Games"></canvas>
<script type="text/javascript">
var GameWidth=window.innerWidth, //根据屏幕得到游戏的宽度
GameHeight=window.innerHeight, //根据屏幕得到游戏的高度
EARTH_POWER = .4, //上下移动加速度
FLOOR_POWER = .7, //左右移动加速度
FPS = 60, //动画帧数
size=30, //松鼠大小
isOver= true, //游戏初始标识
squirrel,
floor
var canvas=document.getElementById("Games")
oOtherPara = {
num:10,
vs:2,
canvas:canvas,
nVSpaceParaForHardness:100
};
oRole = {
hs:10, //水平速度
vs:30, //垂直速度
width:20, //人物宽度
height:30 //人物高度
};
//设置游戏CANVAS大小
canvas.setAttribute("width",GameWidth)
canvas.setAttribute("height",GameHeight)
//得到游戏的框架区域数值
stageWidth=canvas.offsetWidth,
stageHeight=canvas.offsetHeight;
var context=canvas.getContext("2d");
//填充CANVAS
context.fillStyle="rgb(128, 128, 128)"
context.fillRect(0,0,GameWidth,GameHeight);
/*游戏基础参数*/
/*松鼠基础类*/
function Squirrel(){
this.size = size; //松鼠大小
this.playerX = GameWidth/2; //初始X坐标
this.playerY = 0; //初始Y坐标
this.vSpeed = 2.5;
this.xSpeed = 0;
this.ySpeed = 0;
this.turnRight = true;
this.leftKeyDown = false;
this.rightKeyDown = false;
this.player();
}
Squirrel.prototype={
player:function(){ //最开始，将松鼠画入
context.fillStyle = 'blue';
context.fillRect( this.playerX, this.playerY, this.size, this.size);
},
move:function(){ //识别键盘/重力感应操作，
if(this.leftKeyDown){
this.turnRight = false;
this.xSpeed += this.vSpeed;
}else if(this.rightKeyDown){
this.turnRight = true;
this.xSpeed += this.vSpeed;
}
this.xSpeed *= FLOOR_POWER;
this.ySpeed += EARTH_POWER;
if(this.turnRight){
this.playerX += this.xSpeed;
} else {
this.playerX -= this.xSpeed;
}
this.playerY += this.ySpeed;
if(this.playerX < 0){
this.playerX = 0;
}else if(this.playerX > stageWidth - this.size){
this.playerX = stageWidth - this.size;
}
if (this.hitFloor()){
this.ySpeed = -2.5;
EARTH_POWER=0
}
else{EARTH_POWER=.4}
if(this.playerY > stageHeight || this.playerY < 0){
gameOver();
return;
}
//console.log(this.playerX)
},
render : function(){ //将左右移动松鼠后的结果进行绘制
this.move();
context.fillStyle = 'blue';
context.fillRect(this.playerX, this.playerY, this.size, this.size);
//console.log(this.y)
},
hitFloor : function(){
//deadNum = 0;
for (_i = 0, _len = aryBoards.length; _i < _len; _i++) {
value = aryBoards[_i];
console.log(_i)
if(this.playerX < value.nX+value.nWidth && this.playerX+this.size > value.nX && this.playerY+this.size > value.nY && this.playerY < value.nY){
console.log("已碰撞")
return true;
} else {
// return false;
}
}
},
destroy : function(){
}
}
/*松鼠挂了*/
function gameOver(){
isOver = true;
alert("over")
}
/*基础循环*/
function mainLoop(){
if(isOver) return; //如果游戏结束，则不进行循环
context.fillStyle="rgb(128, 128, 128)"
context.fillRect(0,0,GameWidth,GameHeight);
if (aryBoards.length === 1) {
// clearInterval(clarr);
aryBoards = fCreateBoards(oRole, oOtherPara);
}
else {
fDrawBoards(aryBoards, oOtherPara);
}
squirrel.render();
// addFloors();
setTimeout(mainLoop,1000/FPS);
}
/*开始游戏*/
function startGame(){
isOver = false;
//floor=new Floor();
squirrel=new Squirrel();
aryBoards = fCreateBoards(oRole, oOtherPara);
console.log(aryBoards.length)
mainLoop();
//绑定按键
document.onkeydown = function(e){
e = e || window.event;
if(!squirrel) return;
switch(e.keyCode){
case 37 :
squirrel.leftKeyDown = true;
break;
case 39 :
squirrel.rightKeyDown = true;
break;
}
}
document.onkeyup = function(e){
e = e || window.event;
if(!squirrel) return;
switch(e.keyCode){
case 37 :
squirrel.leftKeyDown = false;
break;
case 39 :
squirrel.rightKeyDown = false;
break;
}
}
//
window.ondeviceorientation = function(e)
{
var ang;
var o = window.orientation; //获取设备方向
if(o == 90){
ang = e.beta; //设备横向1
}
else if(o == -90){
ang = -e.beta; //设备横向2
}
else if(o == 0){
ang = e.gamma; //设备纵向
}
if(ang > 5)
{
squirrel.rightKeyDown = true;
}
else if(ang < -5)
{
squirrel.leftKeyDown = true;
}
else
{
squirrel.leftKeyDown = false;
squirrel.rightKeyDown = false;
}
}
//
}
/*
nX:木板横坐标
nY:木板纵坐标
nWidth:木板宽度
nHeight:木板高度
nVSpace:木板距离上一个木板的垂直距离，下一个木板的上边缘同上一个木板的下边缘的距离
sColor:颜色值
nLiveState:0：未进入屏幕 1：在屏幕中 2：从屏幕中消失
nType:1：普通木板 2：滚动木板 3：锯齿木板
*/
(function () {
this.Board = (function () {
function Board(nX, nY, nWidth, nHeight, nVSpace, sColor, nLiveState, nType) {
this.nX = nX;
this.nY = nY;
this.nWidth = nWidth != null ? nWidth : screen.availWidth * 0.25;
this.nHeight = nHeight != null ? nHeight : 30;
this.nVSpace = nVSpace != null ? nVSpace : 0;
this.sColor = sColor != null ? sColor : 'white';
this.nLiveState = nLiveState != null ? nLiveState : 1;
this.nType = nType != null ? nType : 1;
}
return Board;
})();
}).call(this);
(function() {
this.fCreateBoards = function(oRole, oOtherPara) {
var aryBoards, curBoard, fGetRandomBy, firBoard, i, lastBoard, lower, nBoardMaxVSpace, nBoardMinVSpace, nBoardVSpeed, nBorderNum, nCanvasHeight, nCanvasWidth, nRoleHSpeed, nRoleHeight, nRoleVSpeed, nRoleWidth, nVSpaceParaForHardness, rangeX, t, upper, vSpace;
fGetRandomBy = function(num1, num2) {
var over, result, under;
if (num1 > num2) {
under = num2;
over = num1;
} else {
under = num1;
over = num2;
}
return result = (Math.random() * (over - under + 1) >>> 0) + under;
};
nBorderNum = oOtherPara.num;
nBoardVSpeed = oOtherPara.vs;
nCanvasHeight = +oOtherPara.canvas.getAttribute('height');
nCanvasWidth = +oOtherPara.canvas.getAttribute('width');
nVSpaceParaForHardness = oOtherPara.nVSpaceParaForHardness;
nRoleHSpeed = oRole.hs;
nRoleVSpeed = oRole.vs;
nRoleWidth = oRole.width;
nRoleHeight = oRole.height;
aryBoards = [];
firBoard = new Board();
firBoard.nX = fGetRandomBy(0, screen.availWidth - firBoard.nWidth);
firBoard.nY = nCanvasHeight - firBoard.nHeight;
firBoard.nWidth = nCanvasWidth * 0.25;
aryBoards.push(firBoard);
nBoardMinVSpace = nRoleHeight;
nBoardMaxVSpace = nCanvasHeight - firBoard.nHeight * 2 - nRoleHeight - nVSpaceParaForHardness;
i = 0;
while (i < nBorderNum - 1) {
lastBoard = aryBoards[i++];
curBoard = new Board();
curBoard.nLiveState = 0;
curBoard.nWidth = nCanvasWidth * 0.25;
vSpace = fGetRandomBy(nBoardMinVSpace, nBoardMaxVSpace);
t = (vSpace + lastBoard.nHeight) / (nBoardVSpeed + nRoleVSpeed);
upper = (nRoleHSpeed * t - nRoleWidth) + lastBoard.nX + lastBoard.nWidth;
lower = lastBoard.nX - (nRoleHSpeed * t - nRoleWidth) - curBoard.nWidth;
rangeX = upper + curBoard.nWidth > screen.availWidth ? lower : upper;
curBoard.nX = fGetRandomBy(rangeX, lastBoard.nX);
curBoard.nVSpace = vSpace;
aryBoards.push(curBoard);
}
// console.log(aryBoards)
return aryBoards;
};
}).call(this);
// Generated by CoffeeScript 1.4.0
(function() {
this.fDrawBoards = function(aryBoards, oOtherPara) {
var ctx, deadNum, lastBoardY, nBoardVSpeed, nCanvasHeight, nCanvasWidth, value, _i, _len;
nBoardVSpeed = oOtherPara.vs;
ctx = oOtherPara.canvas.getContext('2d');
nCanvasWidth = oOtherPara.canvas.getAttribute('width');
nCanvasHeight = oOtherPara.canvas.getAttribute('height');
ctx.clearRect(0, 0, nCanvasWidth, nCanvasHeight);
//ctx.fillStyle = 'black';
ctx.fillRect(0, 0, nCanvasWidth, nCanvasHeight);
ctx.fillStyle = 'white';
deadNum = 0;
for (_i = 0, _len = aryBoards.length; _i < _len; _i++) {
value = aryBoards[_i];
// console.log(_i+':hah')
if (value.nLiveState === 1) {
if (value.nY >= 0) {
ctx.fillStyle = value.sColor;
ctx.fillRect(value.nX, value.nY, value.nWidth, value.nHeight);
value.nY -= nBoardVSpeed;
lastBoardY = value.nY + value.nHeight;
} else {
deadNum++;
value.nLiveState = 2;
}
} else {
if (value.nLiveState === 0 && value.nVSpace <= nCanvasHeight - lastBoardY - value.nHeight) {
value.nLiveState = 1;
value.nY = lastBoardY + value.nVSpace;
lastBoardY = value.nY + value.nHeight;
ctx.fillStyle = value.sColor;
ctx.fillRect(value.nX, value.nY, value.nWidth, value.nHeight);
}
break;
}
}
while (deadNum--) {
aryBoards.shift();
}
return aryBoards;
};
}).call(this);
//
startGame()
</script>
</body>
</html>