HTML5游戏源码 飞翔的字母 可自定义内容
相信大家都玩过飞翔的小鸟吧，当然，可能已经有很多人因为这个游戏砸了不少手机。吼吼。
废话不多说，回到主题，源码如下。
博客园上传空间大小有限制，没法上传了，需要打包源码的朋友们请留言邮箱地址。当然还有，不要忘了点赞哦~谢谢大家的支持。
直接上源码：一共是三个文件：页面、js、css。
HTML(index.html)页面源码如下：
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>飞翔的字母 - 孤影</title>
<link rel="stylesheet" href="style.css" media="screen" type="text/css" />
</head>
<body>
<div id="canvasContainer"></div>
<span id="textInputSpan">
1.输入内容,2.点击屏幕开始游戏，请输入内容(最大8个字符)：
<input id="textInput" maxlength="10" type="text" width="150" />
<button onclick="changeText()">确定!</button>
</span>
<script src="index.js"></script>
</body>
</html>
JavaScript脚本文件(index.js)如下：
(function (window){
var Sakri = window.Sakri || {};
window.Sakri = window.Sakri || Sakri;
Sakri.MathUtil = {};
//used for radiansToDegrees and degreesToRadians
Sakri.MathUtil.PI_180 = Math.PI/180;
Sakri.MathUtil.ONE80_PI = 180/Math.PI;
//precalculations for values of 90, 270 and 360 in radians
Sakri.MathUtil.PI2 = Math.PI*2;
Sakri.MathUtil.HALF_PI = Math.PI/2;
//return number between 1 and 0
Sakri.MathUtil.normalize = function(value, minimum, maximum){
return (value - minimum) / (maximum - minimum);
};
//map normalized number to values
Sakri.MathUtil.interpolate = function(normValue, minimum, maximum){
return minimum + (maximum - minimum) * normValue;
};
//map a value from one set to another
Sakri.MathUtil.map = function(value, min1, max1, min2, max2){
return Sakri.MathUtil.interpolate( Sakri.MathUtil.normalize(value, min1, max1), min2, max2);
};
Sakri.MathUtil.getRandomNumberInRange = function(min, max){
return min + Math.random() * (max - min);
};
Sakri.MathUtil.getRandomIntegerInRange = function(min, max){
return Math.round(Sakri.MathUtil.getRandomNumberInRange(min, max));
};
}(window));
(function (window){
var Sakri = window.Sakri || {};
window.Sakri = window.Sakri || Sakri;
Sakri.Geom = {};
//==================================================
//=====================::POINT::====================
//==================================================
Sakri.Geom.Point = function (x,y){
this.x = isNaN(x) ? 0 : x;
this.y = isNaN(y) ? 0 : y;
};
Sakri.Geom.Point.prototype.clone = function(){
return new Sakri.Geom.Point(this.x,this.y);
};
Sakri.Geom.Point.prototype.update = function(x, y){
this.x = isNaN(x) ? this.x : x;
this.y = isNaN(y) ? this.y : y;
};
Sakri.Geom.Point.prototype.equals = function(point){
return this.x==point.x && this.y==point.y;
};
Sakri.Geom.Point.prototype.toString = function(){
return "{x:"+this.x+" , y:"+this.y+"}";
};
//==================================================
//===================::RECTANGLE::==================
//==================================================
Sakri.Geom.Rectangle = function (x, y, width, height){
this.update(x, y, width, height);
};
Sakri.Geom.Rectangle.prototype.update = function(x, y, width, height){
this.x = isNaN(x) ? 0 : x;
this.y = isNaN(y) ? 0 : y;
this.width = isNaN(width) ? 0 : width;
this.height = isNaN(height) ? 0 : height;
};
Sakri.Geom.Rectangle.prototype.getRight = function(){
return this.x + this.width;
};
Sakri.Geom.Rectangle.prototype.getBottom = function(){
return this.y + this.height;
};
Sakri.Geom.Rectangle.prototype.getCenterX = function(){
return this.x + this.width/2;
};
Sakri.Geom.Rectangle.prototype.getCenterY = function(){
return this.y + this.height/2;
};
Sakri.Geom.Rectangle.prototype.containsPoint = function(x, y){
return x >= this.x && y >= this.y && x <= this.getRight() && y <= this.getBottom();
};
Sakri.Geom.Rectangle.prototype.clone = function(){
return new Sakri.Geom.Rectangle(this.x, this.y, this.width, this.height);
};
Sakri.Geom.Rectangle.prototype.toString = function(){
return "Rectangle{x:"+this.x+" , y:"+this.y+" , width:"+this.width+" , height:"+this.height+"}";
};
}(window));
(function (window){
var Sakri = window.Sakri || {};
window.Sakri = window.Sakri || Sakri;
Sakri.CanvasTextUtil = {};
//returns the biggest font size that best fits into rect
Sakri.CanvasTextUtil.getFontSizeForRect = function(string, fontProps, rect, canvas, fillStyle){
if(!canvas){
var canvas = document.createElement("canvas");
}
if(!fillStyle){
fillStyle = "#000000";
}
var context = canvas.getContext('2d');
context.font = fontProps.getFontString();
context.textBaseline = "top";
var copy = fontProps.clone();
//console.log("getFontSizeForRect() 1 : ", copy.fontSize);
context.font = copy.getFontString();
var width = context.measureText(string).width;
//console.log(width, rect.width);
//SOME DISAGREEMENT WHETHER THIS SHOOULD BE WITH && or ||
if(width < rect.width){
while(context.measureText(string).width < rect.width || copy.fontSize*1.5 < rect.height){
copy.fontSize++;
context.font = copy.getFontString();
}
}else if(width > rect.width){
while(context.measureText(string).width > rect.width || copy.fontSize*1.5 > rect.height){
copy.fontSize--;
context.font = copy.getFontString();
}
}
//console.log("getFontSizeForRect() 2 : ", copy.fontSize);
return copy.fontSize;
}
//=========================================================================================
//==============::CANVAS TEXT PROPERTIES::====================================
//========================================================
Sakri.CanvasTextProperties = function(fontWeight, fontStyle, fontSize, fontFace){
this.setFontWeight(fontWeight);
this.setFontStyle(fontStyle);
this.setFontSize(fontSize);
this.fontFace = fontFace ? fontFace : "sans-serif";
};
Sakri.CanvasTextProperties.NORMAL = "normal";
Sakri.CanvasTextProperties.BOLD = "bold";
Sakri.CanvasTextProperties.BOLDER = "bolder";
Sakri.CanvasTextProperties.LIGHTER = "lighter";
Sakri.CanvasTextProperties.ITALIC = "italic";
Sakri.CanvasTextProperties.OBLIQUE = "oblique";
Sakri.CanvasTextProperties.prototype.setFontWeight = function(fontWeight){
switch (fontWeight){
case Sakri.CanvasTextProperties.NORMAL:
case Sakri.CanvasTextProperties.BOLD:
case Sakri.CanvasTextProperties.BOLDER:
case Sakri.CanvasTextProperties.LIGHTER:
this.fontWeight = fontWeight;
break;
default:
this.fontWeight = Sakri.CanvasTextProperties.NORMAL;
}
};
Sakri.CanvasTextProperties.prototype.setFontStyle = function(fontStyle){
switch (fontStyle){
case Sakri.CanvasTextProperties.NORMAL:
case Sakri.CanvasTextProperties.ITALIC:
case Sakri.CanvasTextProperties.OBLIQUE:
this.fontStyle = fontStyle;
break;
default:
this.fontStyle = Sakri.CanvasTextProperties.NORMAL;
}
};
Sakri.CanvasTextProperties.prototype.setFontSize = function(fontSize){
if(fontSize && fontSize.indexOf && fontSize.indexOf("px")>-1){
var size = fontSize.split("px")[0];
fontProperites.fontSize = isNaN(size) ? 24 : size;//24 is just an arbitrary number
return;
}
this.fontSize = isNaN(fontSize) ? 24 : fontSize;//24 is just an arbitrary number
};
Sakri.CanvasTextProperties.prototype.clone = function(){
return new Sakri.CanvasTextProperties(this.fontWeight, this.fontStyle, this.fontSize, this.fontFace);
};
Sakri.CanvasTextProperties.prototype.getFontString = function(){
return this.fontWeight + " " + this.fontStyle + " " + this.fontSize + "px " + this.fontFace;
};
}(window));
window.requestAnimationFrame =
window.__requestAnimationFrame ||
window.requestAnimationFrame ||
window.webkitRequestAnimationFrame ||
window.mozRequestAnimationFrame ||
window.oRequestAnimationFrame ||
window.msRequestAnimationFrame ||
(function () {
return function (callback, element) {
var lastTime = element.__lastTime;
if (lastTime === undefined) {
lastTime = 0;
}
var currTime = Date.now();
var timeToCall = Math.max(1, 33 - (currTime - lastTime));
window.setTimeout(callback, timeToCall);
element.__lastTime = currTime + timeToCall;
};
})();
var readyStateCheckInterval = setInterval( function() {
if (document.readyState === "complete") {
clearInterval(readyStateCheckInterval);
init();
}
}, 10);
//========================
//general properties for demo set up
//========================
var canvas;
var context;
var canvasContainer;
var htmlBounds;
var bounds;
var minimumStageWidth = 300;
var minimumStageHeight = 300;
var maxStageWidth = 800;
var maxStageHeight = 1100;
var resizeTimeoutId = -1;
//var stats;
function init(){
canvasContainer = document.getElementById("canvasContainer");
window.onresize = resizeHandler;
//stats = new Stats();
//canvasContainer.appendChild( stats.getDisplayElement() );
window.addEventListener( "keydown", keyUpEventHandler, false )
commitResize();
}
function getWidth( element ){return Math.max(element.scrollWidth,element.offsetWidth,element.clientWidth );}
function getHeight( element ){return Math.max(element.scrollHeight,element.offsetHeight,element.clientHeight );}
//avoid running resize scripts repeatedly if a browser window is being resized by dragging
function resizeHandler(){
context.clearRect(0,0,canvas.width, canvas.height);
clearTimeout(resizeTimeoutId);
clearTimeoutsAndIntervals();
resizeTimeoutId = setTimeout(commitResize, 300 );
}
function commitResize(){
if(canvas){
canvasContainer.removeChild(canvas);
}
canvas = document.createElement('canvas');
canvas.style.position = "absolute";
context = canvas.getContext("2d");
canvasContainer.appendChild(canvas);
htmlBounds = new Sakri.Geom.Rectangle(0,0, getWidth(canvasContainer) , getHeight(canvasContainer));
if(htmlBounds.width >= maxStageWidth){
canvas.width = maxStageWidth;
canvas.style.left = htmlBounds.getCenterX() - (maxStageWidth/2)+"px";
}else{
canvas.width = htmlBounds.width;
canvas.style.left ="0px";
}
if(htmlBounds.height > maxStageHeight){
canvas.height = maxStageHeight;
canvas.style.top = htmlBounds.getCenterY() - (maxStageHeight/2)+"px";
}else{
canvas.height = htmlBounds.height;
canvas.style.top ="0px";
}
bounds = new Sakri.Geom.Rectangle(0,0, canvas.width, canvas.height);
context.clearRect(0,0,canvas.width, canvas.height);
if(bounds.width<minimumStageWidth || bounds.height<minimumStageHeight){
stageTooSmallHandler();
return;
}
var textInputSpan = document.getElementById("textInputSpan");
var textInputSpanY = (canvas.height - canvas.height*.85)/2 + 15;//15 is an estimate for half of textInputHeight
textInputSpan.style.top = htmlBounds.getCenterY() + (bounds.height/2) - textInputSpanY +"px";
textInputSpan.style.left = (htmlBounds.getCenterX() - getWidth(textInputSpan)/2)+"px";
startDemo();
}
function stageTooSmallHandler(){
var warning = "Sorry, bigger screen required :(";
context.font = "bold normal 24px sans-serif";
context.fillText(warning, bounds.getCenterX() - context.measureText(warning).width/2, bounds.getCenterY()-12);
}
//========================
//Demo specific properties
//========================
var HOME = 0;
var GAME = 1;
var GAME_OVER = 2;
var gameState;
var scrollSpeed = 3;
var score;
var fontProperties = new Sakri.CanvasTextProperties(Sakri.CanvasTextProperties.BOLD, null, 100);
var word = "张董";
function startDemo(){
canvas.addEventListener('touchstart', handleUserTap, false);
canvas.addEventListener('mousedown', handleUserTap, false);
var logoText = "飞翔的字母";
if(!logoCanvas){
logoCanvas = document.createElement("canvas");
logoCanvasBG = document.createElement("canvas");
}
createLogo("飞翔的字母", logoCanvas, logoCanvasBG);
if(!gameOverCanvas){
gameOverCanvas = document.createElement("canvas");
gameOverCanvasBG = document.createElement("canvas");
}
createLogo("行了 到此为止吧", gameOverCanvas, gameOverCanvasBG);
createGroundPattern();
createBird();
createTubes();
createCityGraphic();
score = 0;
gameState = HOME;
loop();
}
function loop(){
switch(gameState){
case HOME:
renderHome();
break;
case GAME :
renderGame();
break;
case GAME_OVER:
renderGameOver();
break;
}
//stats.tick();
}
function handleUserTap(event){
switch(gameState){
case HOME:
gameState = GAME;
break;
case GAME :
birdYSpeed = -tapBoost;
break;
case GAME_OVER:
commitResize();
break;
}
if(event){
event.preventDefault();
}
}
function keyUpEventHandler(event){
//event.keyCode == 32 -> Space
if(event.keyCode == 38){
handleUserTap(event);
}
}
function renderHome(){
context.clearRect(0, 0, canvas.width, canvas.height);
renderGroundPattern();
renderLogo();
renderInstructions();
window.requestAnimationFrame(loop, canvas);
}
function renderGame(){
context.clearRect(0, 0, canvas.width, canvas.height);
updateTubes();
renderTubes();
updateBird();
if(!characters.length){
gameOverHandler();
return;
}
renderBird();
renderGroundPattern();
updateScore();
renderScore();
window.requestAnimationFrame(loop, canvas);
}
function gameOverHandler(){
context.clearRect(0, 0, canvas.width, canvas.height);
gameState = GAME_OVER;
renderGameOver();
}
function renderGameOver(){
//game over logo
context.drawImage(gameOverCanvas, bounds.getCenterX() - logoCanvas.width/2, canvas.height *.2);
var instruction = "点击重新任性、";
context.font = "bold normal 24px sans-serif";
context.fillStyle = "#FFFFFF";
context.fillText(instruction, bounds.getCenterX() - context.measureText(instruction).width/2, canvas.height *.25 + gameOverCanvas.height);
renderScore();
//window.requestAnimationFrame(loop, canvas);
}
function renderLogo(){
logoCurrentY += logoDirection;
context.drawImage(logoCanvas, bounds.getCenterX() - logoCanvas.width/2, logoCurrentY);
if(logoCurrentY <= logoY || logoCurrentY >= logoMaxY){
logoDirection *= -1;
}
}
function renderInstructions(){
var instruction = "飞翔的字母 - 孤影";
context.font = "bold normal 24px sans-serif";
context.fillStyle = "#FFFFFF";
context.fillText(instruction, bounds.getCenterX() - context.measureText(instruction).width/2, canvas.height *.2);
}
function renderScore(){
context.font = fontProperties.getFontString();
context.fillStyle = "#FFFFFF";
context.strokeStyle = "#000000";
context.lineWidth = 3;
var x = bounds.getCenterX() - context.measureText(score).width/2;
var y = bounds.height*.1;
context.fillText(score, x, y);
context.strokeText(score, x, y);
}
//========================================================================
//========================:: LOGO ::======================================
//========================================================================
var logoCanvas;
var logoCanvasBG;
var gameOverCanvas;
var gameOverCanvasBG;
var logoY;
var logoCurrentY;
var logoMaxY;
var logoDirection;
function createLogo(logoText, logoCanvas, logoCanvassBG){
logoCanvas.width = logoCanvasBG.width = canvas.width;
logoCanvas.height = logoCanvasBG.height = canvas.height / 4;
logoCurrentY = logoY = canvas.height * .25;
logoMaxY = canvas.height * .35;
logoDirection = 1;
var logoContext = logoCanvas.getContext("2d");
logoContext.textBaseline = "top";
var textRect = new Sakri.Geom.Rectangle(0, 0, logoCanvas.width * .8, logoCanvas.height);
var logoFontProps = fontProperties.clone();
logoFontProps.fontSize = Sakri.CanvasTextUtil.getFontSizeForRect(logoText, fontProperties, textRect);
var logoBGContext = logoCanvasBG.getContext("2d");
logoBGContext.fillStyle = "#f5eea5";
logoBGContext.fillRect(0, 0, logoCanvasBG.width, logoCanvasBG.height);
logoBGContext.fillStyle = "#9ce358";
logoBGContext.fillRect(0, logoFontProps.fontSize/2, logoCanvasBG.width, logoCanvasBG.height);
logoContext.font = logoFontProps.getFontString();
logoContext.fillStyle = logoContext.createPattern(logoCanvasBG, "repeat-x");
logoContext.strokeStyle = "#000000";
logoContext.lineWidth = 3;
var x = logoCanvas.width/2 - logoContext.measureText(logoText).width/2;
var y = logoFontProps.fontSize/2;
logoContext.fillText(logoText, x, 0);
logoContext.strokeText(logoText, x, 0);
}
//========================================================================
//========================:: BIRD ::==================================
//========================================================================
var birdCanvas;
var birdYSpeed = 0;
var gravity = 1;
var tapBoost = 12;
var birdSize = 60;
function updateBird(){
characters[0].y += birdYSpeed;
birdYSpeed += gravity;
//floor
if(characters[0].y >= groundGraphicRect.y - birdCanvas.height){
characters[0].y = groundGraphicRect.y - birdCanvas.height;
birdYSpeed = 0;
}
//celing
if(characters[0].y<=0){
characters[0].y = 1;
birdYSpeed = 0;
}
//tube collision
if(!isHit && checkTubesCollision()){
context.fillStyle = "#FFFFFF";
context.fillRect(0,0,canvas.width, canvas.height);
removeCharacter();
isHit = true;
}
}
var currentTube;
var isHit = false;
var ffScoreBugFix = 0;// for some reason the score would fire multiple times on firefox
function updateScore(){
if(ffScoreBugFix>10 && currentTube.topRect.getRight() < characters[0].x){
if(!isHit){
score++;
}
isHit = false;
var index = tubes.indexOf(currentTube) + 1;
index %= tubes.length;
currentTube = tubes[index];
ffScoreBugFix = 0;
}
ffScoreBugFix++;
}
function renderBird(){
context.drawImage(characters[0].image, characters[0].x, characters[0].y );
for(var i = 1; i < characters.length; i++){
characters[i].y = characters[i-1].y - (characters[i-1].y - characters[i].y) * .9;
context.drawImage(characters[i].image, characters[i].x, characters[i].y );
}
}
function removeCharacter(){
if(characters.length==1){
//game over
gameState = GAME_OVER;
}
for(var i=0; i<characters.length-1;i++){
characters[i].image = characters[i+1].image;
}
characters.pop();
}
function checkTubesCollision(){
for(var i= 0; i<tubes.length;i++){
if(checkTubeCollision(tubes[i])){
return true;
}
}
return false;
}
var collisionPoint = new Sakri.Geom.Point();
var birdPoints = [];
function checkTubeCollision(tube){
birdPoints[0] = characters[0].x;
birdPoints[1] = characters[0].y;
birdPoints[2] = characters[0].x + birdSize;
birdPoints[3] = characters[0].y;
birdPoints[4] = characters[0].x + birdSize;
birdPoints[5] = characters[0].y + birdSize;
birdPoints[6] = characters[0].x;
birdPoints[7] = characters[0].y + birdSize;
for(var i=0; i<8; i+=2){
collisionPoint.x = birdPoints[i];
collisionPoint.y = birdPoints[i+1];
if(tube.topRect.containsPoint(collisionPoint.x, collisionPoint.y) || tube.bottomRect.containsPoint(collisionPoint.x, collisionPoint.y)){
return true;
}
}
return false;
}
var characters;
var birdFontProperties = new Sakri.CanvasTextProperties(Sakri.CanvasTextProperties.BOLD, null, 50);
function createBird(){
if(!birdCanvas){
birdCanvas = document.createElement("canvas");
}
birdCanvas.width = birdSize;
birdCanvas.height = birdSize;
characters = [];
characters[0] = {}
characters[0].x = canvas.width / 3;
characters[0].y = groundGraphicRect.y / 2;
characters[0].image = createCharacterImage(word.charAt(word.length - 1));
var x = characters[0].x -(birdCanvas.width + birdCanvas.width*.2);
for(var i=1; i<word.length ; i++){
characters[i] = {};
characters[i].x = x;
characters[i].y = characters[0].y;
x -= (birdCanvas.width + birdCanvas.width*.2);
characters[i].image = createCharacterImage(word.charAt(word.length - i - 1));
}
}
function createCharacterImage(character){
var birdContext = birdCanvas.getContext("2d");
birdContext.textBaseline = "top";
birdContext.font = birdFontProperties.getFontString();
birdContext.fillStyle = "#d5bb22";
birdContext.fillRect(0, 0, birdSize, birdSize/2);
birdContext.fillStyle = "#e97b13";
birdContext.fillRect(0, birdSize/2, birdSize, birdSize/2);
//hilite
birdContext.fillStyle = "#e0e9a9";
birdContext.fillRect(0, 0, birdSize, 6);
//"mouth"
birdContext.fillStyle = "#da473b";
birdContext.fillRect(0, birdSize - 10, birdSize, birdSize);
birdContext.lineWidth = 3;
birdContext.strokeStyle = "#4d2f3b";
birdContext.strokeRect(2, 2, birdSize-4, birdSize-4);
birdContext.fillStyle = "#e8fcd6";
birdContext.fillText(character, birdSize/2 - birdContext.measureText(character).width/2, 0);
birdContext.strokeText(character, birdSize/2 - birdContext.measureText(character).width/2, 0);
var image = new Image();
image.width = birdSize;
image.height = birdSize;
image.src = birdCanvas.toDataURL();
return image;
}
//========================================================================
//========================:: TUBES ::==================================
//========================================================================
var tubeGapHeight = 230;//needs some logic
var tubesGapWidth;
var tubes;
var tubeWidth = 100;//needs some logic
var minTubeHeight = 50;//needs some logic
function updateTubes(){
for(var i= 0; i<tubes.length;i++){
updateTube(tubes[i]);
}
}
function updateTube(tube){
tube.topRect.x -= scrollSpeed;
tube.bottomRect.x = tube.topRect.x;
if(tube.topRect.x <= -tubeWidth ){
tube.topRect.x = tube.bottomRect.x = canvas.width;
renderTube(tube);
}
}
function renderTubes(){
for(var i= 0; i<tubes.length;i++){
context.drawImage(tubes[i].canvas, tubes[i].bottomRect.x, 0);
}
}
function createTubes(){
tubes = [];
var totalTubes = 2;
tubesGapWidth = Math.floor(canvas.width/totalTubes);
for(var i = 0; i < totalTubes; i++){
tubes[i] = {};
tubes[i].canvas = document.createElement("canvas");
tubes[i].topRect = new Sakri.Geom.Rectangle(canvas.width+(i * tubesGapWidth));
tubes[i].bottomRect = new Sakri.Geom.Rectangle(canvas.width+(i * tubesGapWidth));
renderTube(tubes[i]);
}
currentTube = tubes[0];
}
var tubeOutlineColor = "#534130";
var tubeMainColor = "#75be2f";
var tubeCapHeight = 40;
function renderTube(tube){
tube.canvas.width = tubeWidth;
tube.canvas.height = groundGraphicRect.y;
tube.bottomRect.width = tube.topRect.width = tubeWidth;
tube.topRect.y = 0;
tube.topRect.height = minTubeHeight + Math.round(Math.random()*(groundGraphicRect.y-tubeGapHeight-minTubeHeight*2));
tube.bottomRect.y = tube.topRect.getBottom() + tubeGapHeight;
tube.bottomRect.height = groundGraphicRect.y - tube.bottomRect.y - 1;//minus one for stroke
var tubeContext = tube.canvas.getContext("2d");
tubeContext.lineWidth = 2;
//top tube
renderTubeElement(tubeContext , 3, 0, tubeWidth-6, tube.topRect.height);
renderTubeElement(tubeContext , 1, tube.topRect.getBottom() - tubeCapHeight, tubeWidth-2, tubeCapHeight);
//bottom tube
renderTubeElement(tubeContext , 3, tube.bottomRect.y, tubeWidth-6, tube.bottomRect.height);
renderTubeElement(tubeContext , 1, tube.bottomRect.y, tubeWidth-2, tubeCapHeight);
}
function renderTubeElement(ctx, x, y, width, height){
ctx.fillStyle = tubeMainColor;
ctx.fillRect(x, y, width, height);
ctx.fillStyle = "#9de85a";
ctx.fillRect(x, y, width*.25, height);
ctx.fillStyle = "#d9f881";
ctx.fillRect(x+width *.05, y, width *.05, height);
ctx.fillStyle = "#547e25";
ctx.fillRect(x+width- width * .1, y, width *.1, height);
ctx.fillRect(x+width- width * .2, y, width *.05, height);
ctx.strokeRect(x, y, width, height);
}
//========================================================================
//========================:: CITY BG ::==================================
//========================================================================
var cityGraphicCanvas;
function createCityGraphic(){
if(cityGraphicCanvas){
canvasContainer.removeChild(cityGraphicCanvas);
}
cityGraphicCanvas = document.createElement("canvas");
cityGraphicCanvas.style.position = "absolute";
cityGraphicCanvas.style.left = canvas.style.left;
cityGraphicCanvas.style.top = canvas.style.top;
cityGraphicCanvas.width = canvas.width;
cityGraphicCanvas.height = canvas.height;
var cgContext = cityGraphicCanvas.getContext("2d");
var cityGraphicHeight = canvas.height * .25;
//fill with blue sky
cgContext.fillStyle = "#71c5cf";
cgContext.fillRect(0, 0, canvas.width, canvas.height);
cgContext.fillStyle = "#e9fad8";
cgContext.save();
cgContext.translate(0, groundGraphicRect.y - cityGraphicHeight);
//CLOUDS
var maxCloudRadius = cityGraphicHeight * .4;
var minCloudRadius = maxCloudRadius * .5;
for(iterator=0; iterator<canvas.width; iterator+=minCloudRadius){
cgContext.beginPath();
cgContext.arc( iterator , maxCloudRadius, Sakri.MathUtil.getRandomNumberInRange(minCloudRadius, maxCloudRadius), 0, Sakri.MathUtil.PI2);
cgContext.closePath();
cgContext.fill();
}
cgContext.fillRect(0,maxCloudRadius, canvas.width, cityGraphicHeight );
//HOUSES
var houseWidth;
var houseHeight;
cgContext.fillStyle = "#deefcb";
for(iterator=0; iterator<canvas.width; iterator+=(houseWidth+8)){
houseWidth = 20 + Math.floor(Math.random()*30);
houseHeight = Sakri.MathUtil.getRandomNumberInRange(cityGraphicHeight *.5 , cityGraphicHeight - maxCloudRadius *.8);
cgContext.fillRect(iterator, cityGraphicHeight - houseHeight, houseWidth, houseHeight);
}
cgContext.fillStyle = "#dff1c4";
cgContext.strokeStyle = "#9fd5d5";
cgContext.lineWidth = 3;
for(iterator=0; iterator<canvas.width; iterator+=(houseWidth+8)){
houseWidth = 20 + Math.floor(Math.random()*30);
houseHeight = Sakri.MathUtil.getRandomNumberInRange(cityGraphicHeight *.5 , cityGraphicHeight - maxCloudRadius *.8);
cgContext.fillRect(iterator, cityGraphicHeight - houseHeight, houseWidth, houseHeight);
cgContext.strokeRect(iterator, cityGraphicHeight - houseHeight, houseWidth, houseHeight);
}
//TREES
var maxTreeRadius = cityGraphicHeight * .3;
var minTreeRadius = maxTreeRadius * .5;
var radius;
var strokeStartRadian = Math.PI + Math.PI/4;
var strokeEndRadian = Math.PI + Math.PI/4;
cgContext.fillStyle = "#81e18b";
cgContext.strokeStyle = "#72c887";
for(iterator=0; iterator<canvas.width; iterator+=minTreeRadius){
cgContext.beginPath();
radius = Sakri.MathUtil.getRandomNumberInRange(minCloudRadius, maxCloudRadius)
cgContext.arc( iterator , cityGraphicHeight, radius, 0, Sakri.MathUtil.PI2);
cgContext.closePath();
cgContext.fill();
cgContext.beginPath();
cgContext.arc( iterator , cityGraphicHeight, radius, strokeStartRadian, strokeEndRadian);
cgContext.closePath();
cgContext.stroke();
}
cgContext.restore();
//sand
cgContext.fillStyle = sand;
cgContext.fillRect(0,groundGraphicRect.y, canvas.width, canvas.height);
canvasContainer.insertBefore(cityGraphicCanvas, canvasContainer.firstChild);
}
//========================================================================
//========================:: GROUND ::==================================
//========================================================================
var groundX = 0;
function renderGroundPattern(){
context.drawImage(groundPatternCanvas, groundX, groundGraphicRect.y);
groundX -= scrollSpeed;
groundX %= 16;
}
//colors
var groundLightGreen = "#97e556";
var groundDarkGreen = "#73be29";
var groundDarkerGreen = "#4b7e19";
var groundShadow = "#d1a649";
var groundBorder = "#4c3f48";
var sand = "#dcd795";
var groundGraphicRect = new Sakri.Geom.Rectangle();
var groundPatternCanvas;
function createGroundPattern(){
groundGraphicRect.y = canvas.height*.85;
if(!groundPatternCanvas){
groundPatternCanvas = document.createElement("canvas");
}
groundPatternCanvas.width = 16;
groundPatternCanvas.height = 16;
var groundContext = groundPatternCanvas.getContext("2d");
groundContext.fillStyle = groundLightGreen;
groundContext.fillRect(0,0,16,16);
//diagonal graphic
groundContext.fillStyle = groundDarkGreen;
groundContext.beginPath();
groundContext.moveTo(8,3);
groundContext.lineTo(16,3);
groundContext.lineTo(8,13);
groundContext.lineTo(0,13);
groundContext.closePath();
groundContext.fill();
//top border
groundContext.fillStyle = groundBorder;
groundContext.globalAlpha = .2;
groundContext.fillRect(0,0,16,1);
groundContext.globalAlpha = 1;
groundContext.fillRect(0,1,16,1);
groundContext.globalAlpha = .6;
groundContext.fillRect(0,2,16,1);
//hilite
groundContext.fillStyle = "#FFFFFF";
groundContext.globalAlpha = .3;
groundContext.fillRect(0,3,16,2);
//bottom border
groundContext.fillStyle = groundDarkerGreen;
groundContext.globalAlpha = .3;
groundContext.fillRect(0,10,16,3);
groundContext.globalAlpha = 1;
groundContext.fillRect(0,11,16,1);
//shadow
groundContext.fillStyle = groundShadow;
groundContext.fillRect(0,13,16,3);
var groundPattern = context.createPattern(groundPatternCanvas, "repeat-x");
groundPatternCanvas.width = canvas.width + 16;
groundPatternCanvas.height = 16;
groundContext.fillStyle = groundPattern;
groundContext.fillRect(0, 0, groundPatternCanvas.width, 16);
}
function clearTimeoutsAndIntervals(){
gameState = -1;
}
var maxCharacters = 8;
function changeText(){
var textInput = document.getElementById("textInput");
if(textInput.value && textInput.text!=""){
if(textInput.value.length > maxCharacters){
alert("Sorry, there is only room for "+maxCharacters+" characters. Try a shorter name.");
return;
}
if(textInput.value.indexOf(" ")>-1){
alert("Sorry, no support for spaces right now :(");
return;
}
word = textInput.value;
clearTimeoutsAndIntervals();
animating = false;
setTimeout(commitResize, 100);
}
}
CSS页面样式文件(style.css)如下：
html, body{
margin : 0px;
width : 100%;
height : 100%;
overflow: hidden;
background-color: #FFFFFF;
}
#canvasContainer{
margin : 0px;
width : 100%;
height : 100%;
}
#textInputSpan{
position: absolute;
color: #000000;
font-family: sans-serif;
}
如果需要源码 复制不了代码的，留言邮箱我给大家打包发过去。
当然还有，不要忘了点赞哦~谢谢大家的支持。谢谢大家了，哈哈。
(*^_^*)
原程序来自：HTML5资源教程
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