H5GG/examples-HTML5/H5DrawEsp(3.0).html at main · Happy-Secret/H5GG · GitHub

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<!DOCTYPE html>
<html>
<head>
<title>DrawESP</title>
<meta name="viewport" content="width=device-width,initial-scale=1.0,user-scalable=no" />
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<style type="text/css">
* {
    /*默认文字颜色*/
    color: #000;
    font-size: 12px;
    font-family: Arial, sans-serif;
    -webkit-tap-highlight-color: transparent;
    outline: none;
}
*:not(input,checkbox,textarea) {
    /*禁止文本选择*/
   -webkit-touch-callout: none;
   -webkit-user-select: none;
   user-select: none; /* Non-prefixed version, currently */
}

html,body{
    padding: 0;
    margin: 0;
    width: 100%;
    height: 100%;
    background-color: transparent;
}

.popup_container {
    position:absolute;
    z-index: 1000;
    left:50%;
    top:0;
}

#H5AlertView {
    width:220px;
    height:300px;
    position:absolute;
    left:-110px; top:130px;
    text-align:center;
    zoom:0.8;
}

#title-text{
padding-top:0px;
font-size:18px;
color: #494949;
}

#info-text{
padding:10px;
color:#494949;
}

#content-view{
z-index:0;
background: #fff;
position: relative;
top: 0px;
border: 1px solid #E8E8E8;
border-radius:5px;
padding: 10px;
}

button {
    width: 100%;
    height: 40px;
    color: #fff;
    background-color: #23B574;
    display: inline-block;
    cursor: pointer;
    text-align: center;
    text-decoration: none;
    outline: none;
    border: none;
    border-radius: 3px;
    padding: 0 8px;
    margin: 5px 0;
    font-size:15px;
}

button:active {
    background-color: #007E40;
    transform: translateY(2px);
}

</style>
<script src="https://apps.bdimg.com/libs/jquery/2.1.4/jquery.min.js"></script>
<script>
if(typeof $ == 'undefined') alert("网络异常无法访问百度CDN!");

//页面显示完毕事件
$(document).ready(function(){
    /*禁止文本选择和拖动*/
    document.body.onselectstart = document.body.ondrag =function(){
        return false;
    }
    //文本框等输入完毕后页面自动滚动到顶部
    $("input").blur(function(){
        window.scroll(0,0);
    });

    //激活webkit的button:active
    document.body.addEventListener('touchstart', function () {});


    if(typeof h5gg != 'undefined')
    {
        //设置不可拖动
        setWindowDrag(0, 0, 0, 0);

        var layout = function()
        {
            //window.orientation是设备握持方向, 不是屏幕显示方向
            if(window.lastorientation==window.orientation) return;
            window.lastorientation=window.orientation;

            //获取画布
            var canvas = document.querySelector("#cav");
            //设置按照屏幕像素尺寸绘图(高清模式)
            var scale = window.devicePixelRatio;

            //window.screen中的宽高不会随着屏幕旋转更新(只会在初始化的时候固定)
            if(Math.abs(window.orientation)==90) {
                //横屏模式
                setWindowRect(0,0,window.screen.height,window.screen.width);
                canvas.width = window.screen.height * scale;
                canvas.height = window.screen.width * scale;
            } else {
                //竖屏模式
                setWindowRect(0,0,window.screen.width,window.screen.height);
                canvas.height = window.screen.height * scale;
                canvas.width = window.screen.width * scale;
            }
        }

        layout(); //设置旋转屏幕时自动调整布局和画布
        window.addEventListener("orientationchange", layout, false);

       //设置自定义的悬浮按钮图标点击动作
       setButtonAction(function(){

            var menu = document.querySelector("#H5AlertView");
            if(menu.style.display=='none') {
                menu.style.display='block';
                //隐藏菜单之后, 设置触控穿透悬浮窗口
                setWindowTouch(true);
            } else {
                menu.style.display='none';
                //显示菜单之后, 设置触控不可穿透悬浮窗口
                setWindowTouch(false);
            }

       });
    }

    //添加圆角矩形功能
    CanvasRenderingContext2D.prototype.roundRect = function (x, y, w, h, r) {
        if (w < 2 * r) r = w / 2;
        if (h < 2 * r) r = h / 2;
        this.beginPath();
        this.moveTo(x+r, y);
        this.arcTo(x+w, y, x+w, y+h, r);
        this.arcTo(x+w, y+h, x, y+h, r);
        this.arcTo(x, y+h, x, y, r);
        this.arcTo(x, y, x+w, y, r);
        this.closePath();
        return this;
    }

    //获取画布
    var canvas = document.querySelector("#cav");

    //获取绘图
    var ctx = canvas.getContext("2d", {
        alpha: false,
        desynchronized: false,
    });


    //演示数据:添加一些随机角色
    var gRoles = [];
    for(var i=0; i<10; i++) {
        gRoles[i] = {
            x:canvas.width*Math.random(),
            y:canvas.height*(0.3+Math.random()/2),
            dist: Math.max(0.5,Math.random()),
            xt: Math.random()-0.5,
            yt: Math.random()-0.5,
            dt: (Math.random()-0.5)/200,
        };
    }
    //演示数据:角色随机移动
    setInterval(function(){
        for(var i=0; i<10; i++) {
            gRoles[i].x += gRoles[i].xt;
            if(gRoles[i].x<0||gRoles[i].x>canvas.width) gRoles[i].xt*=-1;
            gRoles[i].y += gRoles[i].yt;
            if(gRoles[i].y<200||gRoles[i].y>canvas.height) gRoles[i].yt*=-1;
            gRoles[i].dist += gRoles[i].dt;
            if(gRoles[i].dist<0.5||gRoles[i].dist>2) gRoles[i].dt*=-1;
        }
    }, 1);


    function startdraw()
    {
        //清理画布开始新一轮绘图
        ctx.clearRect(0,0,canvas.width,canvas.height);

        if(window.draw_state==0) return;

        ctx.lineWidth=0;
        ctx.fillStyle="#FFFF0080";
        ctx.strokeStyle="#FFFF0080";
        ctx.roundRect((canvas.width-200)/2, 30, 200, 60, 15).fill();

        ctx.textBaseline="top";
        ctx.textAlign="center";
        ctx.fillStyle="white";
        ctx.font='60px "Arial, sans-serif"';
        ctx.fillText("88", canvas.width/2,25);

        for(var i=0; i<gRoles.length; i++)
        {
            ctx.lineWidth=5; //线宽
            ctx.strokeStyle="#2DEC00"; //颜色
            var w = 100*gRoles[i].dist; var h=200*gRoles[i].dist; //长宽
            ctx.strokeRect(gRoles[i].x, gRoles[i].y, w, h); //方框

            ctx.beginPath();
            ctx.lineWidth=2; //线宽
            ctx.strokeStyle="#2DEC00"; //颜色
            ctx.moveTo((canvas.width)/2, 30+60); //起始点
            ctx.lineTo(gRoles[i].x+w/2, gRoles[i].y); //结束点
            ctx.stroke(); //射线
        }

        //画个圆圈
        ctx.beginPath();
        ctx.lineWidth = 5; //线宽
        ctx.strokeStyle = 'red'; //颜色
        ctx.arc((canvas.width)/2, (canvas.height)/2, 300, 0, Math.PI * 2, false);
        ctx.stroke();

        //计算FPS
        if(!window.fpscount) window.fpscount=0;
        if(!window.fpstime) window.fpstime=performance.now();
        window.fpscount++;
        if((performance.now()-window.fpstime)>2000)
        {
            window.fps = window.fpscount;
            window.fpstime = performance.now();
            window.fpscount = 0;
        }

        ctx.fillStyle="red";
        if(window.fps) ctx.fillText(window.fps, 80,30);
    }

    //默认关闭绘图
    window.draw_state = 0;

    //* 定时器绘图, 在JS线程, 不影响APP帧率, 不要使用requestAnimationFrame会导致APP卡顿
    setInterval(function(){
        startdraw();

    }, 30);//*/
});

</script>
</head>
<body>
<!--全屏画板-->
<canvas id="cav" width="100%" height="100%" style="width:100%;height:100%;"></canvas>

<!--悬浮菜单-->
<div class="popup_container">
<div id="H5AlertView">
<script>
function anniu1() {
    window.draw_state = 1;
    alert("start draw");
}

function anniu2() {
    window.draw_state = 0;
    setTimeout(function(){alert("stop draw")},100);
}

function anniu3() {
    var menu = document.querySelector("#H5AlertView");
    menu.style.display='none';

    //隐藏菜单之后, 设置触控穿透悬浮窗口
    setWindowTouch(false);
}

</script>
<div id="content-view">
<div id="title-text">H5GG</div>
<div id="info-text">Draw Test</div>
<div>
<button onclick="anniu1()">start Draw</button>
<button onclick="anniu2()">stop Draw</button>
<button onclick="anniu3()">close Menu</button>
</div>
</div>
</div>
</div>
</body>
</html>