【成图】

【Canvas与六边六角】六角立体贪吃蛇_六边

【Canvas与六边六角】六角立体贪吃蛇_六边_02

【Canvas与六边六角】六角立体贪吃蛇_六边_03

【Canvas与六边六角】六角立体贪吃蛇_六边_04

【Canvas与六边六角】六角立体贪吃蛇_六边_05

120*120的png图标：

【Canvas与六边六角】六角立体贪吃蛇_六角_06

【代码】

<!DOCTYPE html>
<html lang="utf-8">
<meta http-equiv="Content-Type" content="text/html; charset=utf-8"/>
<head><title>六角立体贪吃蛇 Draft2</title><style type="text/css">.centerlize{margin:0 auto;width:1200px;}</style></head><body onload="init();"><div class="centerlize"><canvas id="myCanvas" width="12px" height="12px" style="border:1px dotted black;">如果看到这段文字说您的浏览器尚不支持HTML5 Canvas，请更换浏览器再试.</canvas></div></body>
</html>
<script type="text/javascript">
<!--
/*****************************************************************
* 将全体代码(从<!DOCTYPE到script>)拷贝下来，粘贴到文本编辑器中，
* 另存为.html文件，再用chrome浏览器打开，就能看到实现效果。
******************************************************************/// canvas的绘图环境
var ctx;// 高宽
const WIDTH=512;
const HEIGHT=512;// 舞台对象
var stage;//-------------------------------
// 初始化
//-------------------------------
function init(){// 获得canvas对象var canvas=document.getElementById('myCanvas');  canvas.width=WIDTH;canvas.height=HEIGHT;// 初始化canvas的绘图环境ctx=canvas.getContext('2d');  ctx.translate(WIDTH/2,HEIGHT/2);// 原点平移// 准备stage=new Stage();    stage.init();// 开幕animate();
}// 播放动画
function animate(){    stage.update();    stage.paintBg(ctx);stage.paintFg(ctx);     // 循环if(true){//sleep(100);window.requestAnimationFrame(animate);   }
}// 舞台类
function Stage(){// 初始化this.init=function(){}// 更新this.update=function(){    }// 画背景this.paintBg=function(ctx){ctx.clearRect(-WIDTH/2,-HEIGHT/2,WIDTH,HEIGHT);// 清屏    }// 画前景this.paintFg=function(ctx){// 底色ctx.save();ctx.fillStyle = "rgb(109,110,104)";ctx.fillRect(-WIDTH/2,-HEIGHT/2,WIDTH,HEIGHT);ctx.restore();const R=220;//基准尺寸var r=R*1.00;const BW=r/5;//blockWidthvar center=createPt(0,0);var initPts=[];for(var i=0;i<6;i++){var theta=Math.PI/3*i+Math.PI/6;var p=createPt2(center.x,center.y,r,theta);initPts[i]=p;}// #1 右下灰色L条ctx.save();    var a=initPts[0];var b=createPt2(a.x,a.y,r,Math.PI/6*5);var c=createPt2(b.x,b.y,BW,-Math.PI/2);var d=createPt2(c.x,c.y,r-BW,-Math.PI/6);var e=createPt2(d.x,d.y,BW,-Math.PI/2);var f=createPt2(e.x,e.y,BW,-Math.PI/6);ctx.fillStyle="rgb(63,64,58)";ctx.beginPath();ctx.moveTo(a.x,a.y);ctx.lineTo(b.x,b.y);ctx.lineTo(c.x,c.y);ctx.lineTo(d.x,d.y);ctx.lineTo(e.x,e.y);ctx.lineTo(f.x,f.y);ctx.closePath();ctx.fill();ctx.restore();// #2 右下白方块ctx.save();    var a=createPt(f.x,f.y);var b=createPt2(a.x,a.y,BW,Math.PI/6*5);var c=createPt2(b.x,b.y,BW,Math.PI/6*7);var d=createPt2(c.x,c.y,BW,-Math.PI/6);ctx.fillStyle="white";ctx.beginPath();ctx.moveTo(a.x,a.y);ctx.lineTo(b.x,b.y);ctx.lineTo(c.x,c.y);ctx.lineTo(d.x,d.y);ctx.closePath();ctx.fill();ctx.restore();// #3 右下红方块ctx.save();    var a=createPt(b.x,b.y);var b=createPt2(a.x,a.y,BW,Math.PI/2);var c=createPt2(b.x,b.y,BW,Math.PI/6*7);var d=createPt2(c.x,c.y,BW,-Math.PI/2);var gnt=ctx.createLinearGradient(d.x,d.y,b.x,b.y);// 渐变gnt.addColorStop(0,"rgb(209,105,104)");gnt.addColorStop(1,"rgb(247,70,99)");ctx.fillStyle=gnt;ctx.beginPath();ctx.moveTo(a.x,a.y);ctx.lineTo(b.x,b.y);ctx.lineTo(c.x,c.y);ctx.lineTo(d.x,d.y);ctx.closePath();ctx.fill();ctx.restore();// #4 下方白L条ctx.save();    var a=createPt(b.x,b.y);var b=createPt2(a.x,a.y,r-BW,Math.PI/6*5);var c=createPt2(b.x,b.y,r-BW,Math.PI/6*7);var d=createPt2(c.x,c.y,BW,-Math.PI/6);var e=createPt2(d.x,d.y,r-BW*2,Math.PI/6);var f=createPt2(e.x,e.y,r-BW*2,-Math.PI/6);ctx.fillStyle="white";ctx.beginPath();ctx.moveTo(a.x,a.y);ctx.lineTo(b.x,b.y);ctx.lineTo(c.x,c.y);ctx.lineTo(d.x,d.y);ctx.lineTo(e.x,e.y);ctx.lineTo(f.x,f.y);ctx.closePath();ctx.fill();ctx.restore();// #5 左下方黄红L条ctx.save();    var a=initPts[1];var b=createPt2(a.x,a.y,r,Math.PI/6*7);var c=createPt2(b.x,b.y,r,-Math.PI/2);var d=createPt2(c.x,c.y,BW,Math.PI/6);var e=createPt2(d.x,d.y,r-BW*1,Math.PI/2);var f=createPt2(e.x,e.y,r-BW*1,Math.PI/6);var gnt=ctx.createLinearGradient(c.x,c.y,a.x,a.y);// 渐变gnt.addColorStop(0,"rgb(234,209,55)");gnt.addColorStop(1,"rgb(245,99,102)");ctx.fillStyle=gnt;ctx.beginPath();ctx.moveTo(a.x,a.y);ctx.lineTo(b.x,b.y);ctx.lineTo(c.x,c.y);ctx.lineTo(d.x,d.y);ctx.lineTo(e.x,e.y);ctx.lineTo(f.x,f.y);ctx.closePath();ctx.fill();ctx.restore();// #6 左上方灰L条ctx.save();    var a=createPt(d.x,d.y);var b=createPt2(a.x,a.y,r-BW,-Math.PI/6);var c=createPt2(b.x,b.y,BW,Math.PI/2);var d=createPt2(c.x,c.y,r-BW*2,Math.PI/6*5);var e=createPt2(d.x,d.y,r-BW*2,Math.PI/2);var f=createPt2(e.x,e.y,BW,Math.PI/6*5);ctx.fillStyle="rgb(63,64,58)";ctx.beginPath();ctx.moveTo(a.x,a.y);ctx.lineTo(b.x,b.y);ctx.lineTo(c.x,c.y);ctx.lineTo(d.x,d.y);ctx.lineTo(e.x,e.y);ctx.lineTo(f.x,f.y);ctx.closePath();ctx.fill();ctx.restore();// #7 右上方梯形渐变条ctx.save();    var a=createPt(b.x,b.y);var b=createPt2(a.x,a.y,r-BW*2,Math.PI/6);var c=createPt2(b.x,b.y,BW,Math.PI/6*5);var d=createPt2(c.x,c.y,r-BW*3,Math.PI/6*7);var gnt=ctx.createLinearGradient(a.x,0,b.x,0);// 渐变gnt.addColorStop(0,"rgb(242,168,71)");gnt.addColorStop(1,"rgb(243,127,86)");ctx.fillStyle=gnt;ctx.beginPath();ctx.moveTo(a.x,a.y);ctx.lineTo(b.x,b.y);ctx.lineTo(c.x,c.y);ctx.lineTo(d.x,d.y);ctx.closePath();ctx.fill();ctx.restore();// #8 上方近乎封口白圈ctx.save();    var a=initPts[3];var b=createPt2(a.x,a.y,r,-Math.PI/6);var c=createPt2(b.x,b.y,r,Math.PI/6);var d=createPt2(c.x,c.y,r,Math.PI/6*5);var e=createPt2(d.x,d.y,BW*2,Math.PI/6*7);var f=createPt2(e.x,e.y,BW*1,-Math.PI/6);var g=createPt2(f.x,f.y,BW*1,Math.PI/6);var h=createPt2(g.x,g.y,r-BW*2,-Math.PI/6);var ii=createPt2(h.x,h.y,r-BW*2,Math.PI/6*7);var jj=createPt2(ii.x,ii.y,r-BW*1,Math.PI/6*5);ctx.fillStyle="white";ctx.beginPath();ctx.moveTo(a.x,a.y);ctx.lineTo(b.x,b.y);ctx.lineTo(c.x,c.y);ctx.lineTo(d.x,d.y);ctx.lineTo(e.x,e.y);ctx.lineTo(f.x,f.y);ctx.lineTo(g.x,g.y);ctx.lineTo(h.x,h.y);ctx.lineTo(ii.x,ii.y);ctx.lineTo(jj.x,jj.y);ctx.closePath();ctx.fill();ctx.restore();// #9 中间灰条ctx.save();    var a=initPts[5];var b=createPt2(a.x,a.y,BW*1,Math.PI/2);var c=createPt2(b.x,b.y,r,Math.PI/6*5);var d=createPt2(c.x,c.y,BW,-Math.PI/2);ctx.fillStyle="rgb(63,64,58)";ctx.beginPath();ctx.moveTo(a.x,a.y);ctx.lineTo(b.x,b.y);ctx.lineTo(c.x,c.y);ctx.lineTo(d.x,d.y);        ctx.closePath();ctx.fill();ctx.restore();// #10 中间渐变块ctx.save();    var a=center;var b=createPt2(a.x,a.y,BW*1,Math.PI/2);var c=createPt2(b.x,b.y,BW*2,Math.PI/6*7);var d=createPt2(c.x,c.y,BW,-Math.PI/2);var gnt=ctx.createLinearGradient(d.x,0,a.x,0);// 渐变gnt.addColorStop(0,"rgb(240,162,87)");gnt.addColorStop(1,"rgb(230,132,97)");ctx.fillStyle=gnt;ctx.beginPath();ctx.moveTo(a.x,a.y);ctx.lineTo(b.x,b.y);ctx.lineTo(c.x,c.y);ctx.lineTo(d.x,d.y);        ctx.closePath();ctx.fill();ctx.restore();writeText(ctx,WIDTH/2-30,HEIGHT/2-5,"逆火制图","8px consolas","lightgrey");// 版权}
}/*----------------------------------------------------------
函数:用于绘制矩形
ctx:绘图上下文
x:矩形中心横坐标
y:矩形中心纵坐标
width:矩形宽
height:矩形高
----------------------------------------------------------*/
function drawRect(ctx,x,y,width,height){ctx.beginPath();ctx.moveTo(x-width/2,y-height/2);ctx.lineTo(x+width/2,y-height/2);ctx.lineTo(x+width/2,y+height/2);ctx.lineTo(x-width/2,y+height/2);ctx.closePath();
}/*----------------------------------------------------------
函数:用于绘制实心圆
ctx:绘图上下文
x:矩形中心横坐标
y:矩形中心纵坐标
r:圆半径
style:填充圆的方案
----------------------------------------------------------*/
function drawSolidCircle(ctx,x,y,r,style){ctx.fillStyle=style;ctx.beginPath();ctx.arc(x,y,r,0,Math.PI*2,false);ctx.closePath();ctx.fill();
}/*----------------------------------------------------------
函数:创建一个二维坐标点
baseX:基准点横坐标
baseY:基准点纵坐标
radius:当前点到基准点的距离
theta:当前点到基准点的角度
Pt即Point
----------------------------------------------------------*/
function createPt2(baseX,baseY,radius,theta){var retval={};retval.x=baseX+radius*Math.cos(theta);retval.y=baseY+radius*Math.sin(theta);return retval;
}/*----------------------------------------------------------
函数:创建一个二维坐标点
x:横坐标
y:纵坐标
Pt即Point
----------------------------------------------------------*/
function createPt(x,y){var retval={};retval.x=x;retval.y=y;return retval;
}/*----------------------------------------------------------
函数:延时若干毫秒
milliseconds:毫秒数
----------------------------------------------------------*/
function sleep(milliSeconds) {const date = Date.now();let currDate = null;while (currDate - date < milliSeconds) {currDate = Date.now();} 
}/*----------------------------------------------------------
函数:书写文字
ctx:绘图上下文
x:横坐标
y:纵坐标
text:文字
font:字体
color:颜色
----------------------------------------------------------*/
function writeText(ctx,x,y,text,font,color){ctx.save();ctx.textBaseline="bottom";ctx.textAlign="center";ctx.font = font;ctx.fillStyle=color;ctx.fillText(text,x,y);ctx.restore();
}/*-------------------------------------------------------------
任凭风浪起，稳坐钓鱼台；
得之我之幸，失之非我运。
--------------------------------------------------------------*/
//-->
</script>

END