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这篇“怎么用git实现羊了个羊游戏”文章的知识点大部分人都不太理解，所以小编给大家总结了以下内容，内容详细，步骤清晰，具有一定的借鉴价值，希望大家阅读完这篇文章能有所收获，下面我们一起来看看这篇“怎么用git实现羊了个羊游戏”文章吧。
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以下就是基础的Hap的page文件：index.ets
build() {
Row() {
Column() {
Canvas(this.context)
.width('100%')
.height('100%')
.onClick((ev: ClickEvent) => {
console.log("screen.xy:"+ev.screenX+":"+ev.screenY)
console.log("xy:"+ev.x+":"+ev.y)
})
.onReady(() =>{
this.context.imageSmoothingEnabled = false
this.drawBlock()
})
}
.height("80%")
.width("100%")
}
.height('100%')
.width('100%')
.backgroundImage($r("app.media.grass"))
.backgroundImageSize(ImageSize.Cover)
}build是基础页面的构造函数，用于界面的元素构造，其他的页面的生命周期函数如下：
declare class CustomComponent {
/**
* Customize the pop-up content constructor.
* @since 7
*/
build(): void;
/**
* aboutToAppear Method
* @since 7
*/
aboutToAppear?(): void;
/**
* aboutToDisappear Method
* @since 7
*/
aboutToDisappear?(): void;
/**
* onPageShow Method
* @since 7
*/
onPageShow?(): void;
/**
* onPageHide Method
* @since 7
*/
onPageHide?(): void;
/**
* onBackPress Method
* @since 7
*/
onBackPress?(): void;
}canvas是画布组件用于自定义绘制图形
页面显示前会调用aboutToAppear()函数，此函数为页面生命周期函数
canvas组件初始化完毕后会调用onReady()函数，函数内部实现小游戏的初始页面的绘制
initBlocks() {
for (let i=0;i小游戏的每个卡片都是用canvas绘制的图片资源，用于进行排列以及点击判断所以在此设计了个数据结构
{
img: 卡片资源类型，用于图片渲染和相似图片消除
isShow: 卡片是否显示标志，用于渲染的时候进行判断
x：卡片渲染左上角横坐标
y：卡片渲染左上角纵坐标
w：卡片渲染宽度
h: 卡片渲染高度
}现在制作的是用固定方法初始化卡片的方法即渲染3行，每行3个图片，之后改进可以改成明确一个区域，然后采用随机算法进行位置和卡片类型生成。
2.2 初始化页面绘制
drawBlock() {
//初始化消除区域的卡片
this.blockList.forEach((block)=>{
if (block.isShow) {
let imgItem:ImageBitmap = null
switch(block.img) {
case "censer":
imgItem = this.censerImg
break
case "cloud":
imgItem = this.cloudImg
break
case "knif":
imgItem = this.knifImg
break
default:
imgItem = this.censerImg
break
}
this.context.drawImage( this.cardImg,block.x,block.y,this.blockw,this.blockh)
this.context.drawImage( imgItem,block.x+5,block.y+5,block.w,block.h)
}
})
//初始化选择卡片区域
this.context.drawImage( this.slotImg,this.slotX,this.slotY,300,39)
let pos = 0
for (let i=0;i<5;i++) {
this.context.drawImage( this.cardImg,this.slotX + pos,this.slotY+40,61,69)
if (i < this.emptyList.length) {
let emptyText = this.emptyList[i]
let pItem = null;
switch (emptyText) {
case "censer":
pItem = this.censerImg;
break;
case "cloud":
pItem = this.cloudImg;
break;
case "knif":
pItem = this.knifImg;
break;
default:
break;
}
if (pItem) {
this.context.drawImage(pItem,this.slotX + pos + 3,this.slotY+40,55,59)
}
}
pos += 60
}
}整个绘制区域分两个区域：
消除区域：绘制卡片背景和卡片类型，利用初始化的卡片数据进行卡片绘制；
选择区域：绘制栏杆，卡片背景，以及选择的卡片
3. 游戏逻辑
简单的小游戏主体游戏逻辑为：初始化（之前的章节已经介绍），点击（选中，选不中，消除，选择区域满，消除区域空）流程图如下：
graph LR
init[初始化] --> click[点击]
click[点击] --> isSelect{是否点中}
isSelect -->|点中| yes[点中]
isSelect -->|没点中| no[没点中]
yes --> isEmpty{是否选择区域满}
isEmpty -->|满| full[无法消除]
isEmpty -->|不满| notfull[加入选择区域]
notfull --> canClear{有3个相同}
canClear -->|能消除| clear[消除]
canClear -->|不能消除| append[进入选择区域]
append --> 重绘.onClick((ev: ClickEvent) => {
if (this.needRestart) {
this.needRestart = false
this.emptyList.splice(0, this.emptyList.length)
this.blockList.splice(0, this.blockList.length)
this.emptyCnt = 5
this.avaliableCnt = 9
this.initBlocks()
this.context.clearRect(0,0,this.context.width,this.context.height)
this.drawBlock()
return
}
console.log("screen.xy:"+ev.screenX+":"+ev.screenY)
console.log("xy:"+ev.x+":"+ev.y)
//判断是否点中方块
let flag = this.isSelect(ev.x, ev.y)
console.info("flag:"+flag)
if (flag == 1) {
//如果可以移动或消除则清空重填
this.context.clearRect(0,0,this.context.width,this.context.height)
this.drawBlock();
} else if (flag == 2) {
//如果清空显示胜利画面
this.context.drawImage( this.blackImg,0,0,this.context.width,this.context.height)
this.context.drawImage( this.winImg,this.slotX+50,this.slotY-300,200,200)
this.context.font="100px bold"
this.context.fillText("欢迎你加入羊群", this.slotX+50,this.slotY-350,500)
this.needRestart = true
} else if (flag == 3) {
this.context.clearRect(0,0,this.context.width,this.context.height)
this.drawBlock();
this.context.drawImage( this.blackImg,0,0,this.context.width,this.context.height)
this.context.drawImage( this.ylgyImg,this.slotX+50,this.slotY-300,200,100)
this.context.font="100px bold"
this.context.fillText("加入羊群失败", this.slotX+50,this.slotY-350,500)
this.needRestart = true
}
})4. 完整逻辑
@Entry
@Component
struct Index {
@State message: string = 'Hello World'
@State _translate: TranslateOptions = {
x: 0,
y: 0,
z: 0
}
@State _scale: ScaleOptions = {
x: 1,
y: 1,
z: 1
}
private settings: RenderingContextSettings = new RenderingContextSettings(true);
private context: CanvasRenderingContext2D = new CanvasRenderingContext2D(this.settings);
private cardImg:ImageBitmap = new ImageBitmap("common/images/iback.png")
private slotImg:ImageBitmap = new ImageBitmap("common/images/lan.png")
private ylgyImg:ImageBitmap = new ImageBitmap("common/images/ylgy.png")
private blackImg:ImageBitmap = new ImageBitmap("common/images/black.png")
private censerImg:ImageBitmap = new ImageBitmap("common/images/censer.png")
private cloudImg:ImageBitmap = new ImageBitmap("common/images/cloud.png")
private knifImg:ImageBitmap = new ImageBitmap("common/images/knif.png")
private winImg:ImageBitmap = new ImageBitmap("common/images/win.png")
private startX = 50;
private startY = 10;
private slotX = 20;
private slotY = 450;
private blockw = 62;
private blockh = 69;
private blockList = []
private emptyList = []
private emptyCnt = 5;
private avaliableCnt = 9;
private clearLen = 3;
private needRestart = false;
animationStep(value: AnimateParam, event: () => void) {
return () => {
return new Promise((resolve) => {
let onFinish = value.onFinish
value.onFinish = () => {
if(onFinish) onFinish()
resolve(true)
}
animateTo(value, event)
})
}
}
async pulse(time) {
// 0% - 50%
let step1 = this.animationStep({
duration: time * 0.5, // 动画时长
tempo: 0.5, // 播放速率
curve: Curve.EaseInOut, // 动画曲线
delay: 0, // 动画延迟
iterations: 1, // 播放次数
playMode: PlayMode.Normal, // 动画模式
}, () => {
this._scale = {
x: 1.05,
y: 1.05,
z: 1.05
}
})
// 50% - 100%
let step2 = this.animationStep({
duration: time * 0.5, // 动画时长
tempo: 0.5, // 播放速率
curve: Curve.EaseInOut, // 动画曲线
delay: 0, // 动画延迟
iterations: 1, // 播放次数
playMode: PlayMode.Normal, // 动画模式
}, () => {
this._scale = {
x: 1,
y: 1,
z: 1
}
})
await step1()
await step2()
}
initBlocks() {
for (let i=0;i { //设置'dataLoad'事件回调，src属性设置成功后，触发此回调
console.info('audio set source success');
audioPlayer.play(); //开始播放，并触发'play'事件回调
});
// audioPlayer.src = $r("app.media.background")
}
clearEmpty() {
let emptyMap:Map = new Map()
console.info("emptylen:"+this.emptyList.length)
for (let i=0;i{
let block = this.blockList[i]
noshowCnt += 1
x = Math.ceil(x)
y = Math.ceil(y)
// console.info("x:"+x+"y:"+y)
// console.info("blockx:"+block.x+"block.y:"+block.y)
let endx = block.x+this.blockw
let endy = block.y+this.blockh
if ((block.x <= x && endx >= x) &&
(block.y <= y && endy >= y)) {
console.info("isFind")
if (block.isShow == true && this.emptyCnt > 0) {
block.isShow = false;
this.emptyCnt -= 1;
this.avaliableCnt -= 1;
this.emptyList.push(block.img)
this.clearEmpty()
//找到block
if (this.avaliableCnt == 0) {
return 2
} else {
if (this.emptyList.length == 5) {
return 3
} else {
return 1
}
}
} else if (this.emptyCnt == 0) {
//没有空闲空间
return 3
} else if (block.isShow == false) {
nofind += 1
}
} else {
console.info("noFind")
nofind += 1
}
}
if (nofind == this.blockList.length) {
//没有点中
return 0
}
if (noshowCnt == this.blockList.length) {
//没有block
return 2
}
}
drawBlock() {
this.blockList.forEach((block)=>{
if (block.isShow) {
let imgItem:ImageBitmap = null
switch(block.img) {
case "censer":
imgItem = this.censerImg
break
case "cloud":
imgItem = this.cloudImg
break
case "knif":
imgItem = this.knifImg
break
default:
imgItem = this.censerImg
break
}
this.context.drawImage( this.cardImg,block.x,block.y,this.blockw,this.blockh)
this.context.drawImage( imgItem,block.x+5,block.y+5,block.w,block.h)
}
})
this.context.drawImage( this.slotImg,this.slotX,this.slotY,300,39)
let pos = 0
for (let i=0;i<5;i++) {
this.context.drawImage( this.cardImg,this.slotX + pos,this.slotY+40,61,69)
if (i < this.emptyList.length) {
let emptyText = this.emptyList[i]
let pItem = null;
switch (emptyText) {
case "censer":
pItem = this.censerImg;
break;
case "cloud":
pItem = this.cloudImg;
break;
case "knif":
pItem = this.knifImg;
break;
default:
break;
}
if (pItem) {
this.context.drawImage(pItem,this.slotX + pos + 3,this.slotY+40,55,59)
}
}
pos += 60
}
}
build() {
Row() {
Column() {
Canvas(this.context)
.width('100%')
.height('100%')
.onClick((ev: ClickEvent) => {
if (this.needRestart) {
this.needRestart = false
this.emptyList.splice(0, this.emptyList.length)
this.blockList.splice(0, this.blockList.length)
this.emptyCnt = 5
this.avaliableCnt = 9
this.initBlocks()
this.context.clearRect(0,0,this.context.width,this.context.height)
this.drawBlock()
return
}
console.log("screen.xy:"+ev.screenX+":"+ev.screenY)
console.log("xy:"+ev.x+":"+ev.y)
//判断是否点中方块
let flag = this.isSelect(ev.x, ev.y)
console.info("flag:"+flag)
if (flag == 1) {
//如果可以移动或消除则清空充填
this.context.clearRect(0,0,this.context.width,this.context.height)
this.drawBlock();
} else if (flag == 2) {
//如果清空显示胜利画面
this.context.drawImage( this.blackImg,0,0,this.context.width,this.context.height)
this.context.drawImage( this.winImg,this.slotX+50,this.slotY-300,200,200)
this.context.font="100px bold"
this.context.fillText("欢迎你加入羊群", this.slotX+50,this.slotY-350,500)
this.needRestart = true
} else if (flag == 3) {
this.context.clearRect(0,0,this.context.width,this.context.height)
this.drawBlock();
this.context.drawImage( this.blackImg,0,0,this.context.width,this.context.height)
this.context.drawImage( this.ylgyImg,this.slotX+50,this.slotY-300,200,100)
this.context.font="100px bold"
this.context.fillText("加入羊群失败", this.slotX+50,this.slotY-350,500)
this.needRestart = true
}
})
.onReady(() =>{
this.context.imageSmoothingEnabled = false
this.drawBlock()
})
}
.height("80%")
.width("100%")
}
.height('100%')
.width('100%')
.backgroundImage($r("app.media.grass"))
.backgroundImageSize(ImageSize.Cover)
}
} 
遗留问题：
点击选择没有判断图层：可以在卡片数据结构里增加图层标识，最下面的卡片为图层标识为1，上面的多一层加1，点中选择的时候可以判断，增加是否可以选中的逻辑；
消除区域布局可灵活配置：增加布局配置逻辑，使用数据结构设定布局逻辑，可规定卡片种类，数量，布局行数，列数以及层级
游戏声音问题：目前ohos不支持音频播放资源音频，看之后版本是否支持
以上就是关于“怎么用git实现羊了个羊游戏”这篇文章的内容，相信大家都有了一定的了解，希望小编分享的内容对大家有帮助，若想了解更多相关的知识内容，请关注创新互联行业资讯频道。
文章名称：怎么用git实现羊了个羊游戏
分享地址：http://njwzjz.com/article/jipjej.html
