canvas版本的俄罗斯方块，少一个全行填充消除，有兴趣再加，俄罗斯方块还是复杂一些

标签：canvas color pieces tmp3 var tmp1 俄罗斯方块 tmp2
代码：
<!Doctype html>
<html lang="zh_cn">
    <head>
        <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
        <title>俄罗斯方块</title>
        <meta name="Keywords" content="">
        <meta name="Description" content="">
        <meta name="viewport" content="width=device-width, initial-scale=1.0, maximum-scale=1.0, user-scalable=no" />

    </head>
<body>

<canvas id="myCanvas" width="600" height="600" style="border:1px solid #FF0000;bgcolor:#FF0000;">
</canvas>

<script>
var margin = 30;
var pading = 3;
var maxLineNum = 25;
var maxFieldNum = 25;
var score = 0;

var myCanvas = document.getElementById("myCanvas");

var page_width = window.innerWidth;
var page_height = window.innerHeight;
//console.log("页面尺寸：宽："+page_width+"，高："+page_height);

var paint_width = page_width - 2 * margin;
var paint_height = page_height - 2 * margin;
myCanvas.width = paint_width;
myCanvas.height = paint_height;
//console.log("画布尺寸：宽："+paint_width+"，高："+paint_height);

var left_width = paint_height - 2 * pading;
var left_height = paint_height - 2 * pading;
var right_width = paint_width - 2 * pading - left_width;
var right_height = paint_height - 2 * pading;

var perWidth = left_width / maxFieldNum;
var perHeight = left_height / maxLineNum;

var pieceNow = createRandPiece();
var pieceWill = createRandPiece();
var nowStatus = 0;
var jileiList = new Array();

function getT(){
    var mystartx = maxFieldNum % 2 == 1 ? (maxFieldNum-1) / 2 : maxFieldNum / 2;
    var mystarty = 0;
    var color = "rgb("+getRandomInt(1, 255)+","+getRandomInt(1, 255)+","+getRandomInt(1, 255)+")";
    var piecesList = new Array();
    
    //状态0
    var pieces = new Array();
    var tmp1 = new Object();
    tmp1.x = mystartx-1;
    tmp1.y = mystarty;
    tmp1.color = color;
    pieces.push(tmp1);
    
    var tmp2 = new Object();
    tmp2.x = tmp1.x+1;
    tmp2.y = tmp1.y;
    tmp2.color = color;
    pieces.push(tmp2);
    
    var tmp3 = new Object();
    tmp3.x = tmp2.x+1;
    tmp3.y = tmp1.y;
    tmp3.color = color;
    pieces.push(tmp3);
    
    var tmp4 = new Object();
    tmp4.x = tmp2.x;
    tmp4.y = tmp2.y+1;
    tmp4.color = color;
    pieces.push(tmp4);
    
    var tmp5 = new Object();
    tmp5.x = tmp4.x;
    tmp5.y = tmp4.y+1;
    tmp5.color = color;
    pieces.push(tmp5);
    piecesList.push(pieces);
    
    //状态1
    var pieces = new Array();
    var tmp1 = new Object();
    tmp1.x = mystartx-1;
    tmp1.y = mystarty+1;
    tmp1.color = color;
    pieces.push(tmp1);
    
    var tmp2 = new Object();
    tmp2.x = tmp1.x+1;
    tmp2.y = tmp1.y;
    tmp2.color = color;
    pieces.push(tmp2);
    
    var tmp3 = new Object();
    tmp3.x = tmp2.x+1;
    tmp3.y = tmp1.y;
    tmp3.color = color;
    pieces.push(tmp3);
    
    var tmp4 = new Object();
    tmp4.x = tmp3.x;
    tmp4.y = tmp3.y-1;
    tmp4.color = color;
    pieces.push(tmp4);
    
    var tmp5 = new Object();
    tmp5.x = tmp3.x;
    tmp5.y = tmp3.y+1;
    tmp5.color = color;
    pieces.push(tmp5);
    piecesList.push(pieces);
    
    //状态2
    var pieces = new Array();
    var tmp1 = new Object();
    tmp1.x = mystartx;
    tmp1.y = mystarty;
    tmp1.color = color;
    pieces.push(tmp1);
    
    var tmp2 = new Object();
    tmp2.x = tmp1.x;
    tmp2.y = tmp1.y+1;
    tmp2.color = color;
    pieces.push(tmp2);
    
    var tmp3 = new Object();
    tmp3.x = tmp2.x;
    tmp3.y = tmp2.y+1;
    tmp3.color = color;
    pieces.push(tmp3);
    
    var tmp4 = new Object();
    tmp4.x = tmp3.x-1;
    tmp4.y = tmp3.y;
    tmp4.color = color;
    pieces.push(tmp4);
    
    var tmp5 = new Object();
    tmp5.x = tmp3.x+1;
    tmp5.y = tmp3.y;
    tmp5.color = color;
    pieces.push(tmp5);
    piecesList.push(pieces);
    
    //状态3
    var pieces = new Array();
    var tmp1 = new Object();
    tmp1.x = mystartx-1;
    tmp1.y = mystarty;
    tmp1.color = color;
    pieces.push(tmp1);
    
    var tmp2 = new Object();
    tmp2.x = tmp1.x;
    tmp2.y = tmp1.y+1;
    tmp2.color = color;
    pieces.push(tmp2);
    
    var tmp3 = new Object();
    tmp3.x = tmp2.x;
    tmp3.y = tmp2.y+1;
    tmp3.color = color;
    pieces.push(tmp3);
    
    var tmp4 = new Object();
    tmp4.x = tmp2.x+1;
    tmp4.y = tmp2.y;
    tmp4.color = color;
    pieces.push(tmp4);
    
    var tmp5 = new Object();
    tmp5.x = tmp4.x+1;
    tmp5.y = tmp4.y;
    tmp5.color = color;
    pieces.push(tmp5);
    piecesList.push(pieces);
    
    return piecesList;
}

function getL(){
    var mystartx = maxFieldNum % 2 == 1 ? (maxFieldNum-1) / 2 : maxFieldNum / 2;
    var mystarty = 0;
    var color = "rgb("+getRandomInt(1, 255)+","+getRandomInt(1, 255)+","+getRandomInt(1, 255)+")";
    var piecesList = new Array();
    
    //状态0
    var pieces = new Array();
    var tmp1 = new Object();
    tmp1.x = mystartx;
    tmp1.y = mystarty;
    tmp1.color = color;
    pieces.push(tmp1);
    
    var tmp2 = new Object();
    tmp2.x = tmp1.x;
    tmp2.y = tmp1.y+1;
    tmp2.color = color;
    pieces.push(tmp2);
    
    var tmp3 = new Object();
    tmp3.x = tmp2.x;
    tmp3.y = tmp2.y+1;
    tmp3.color = color;
    pieces.push(tmp3);
    
    var tmp4 = new Object();
    tmp4.x = tmp3.x+1;
    tmp4.y = tmp3.y;
    tmp4.color = color;
    pieces.push(tmp4);
    piecesList.push(pieces);
    
    //状态1
    var pieces = new Array();
    var tmp1 = new Object();
    tmp1.x = mystartx;
    tmp1.y = mystarty;
    tmp1.color = color;
    pieces.push(tmp1);
    
    var tmp2 = new Object();
    tmp2.x = tmp1.x+1;
    tmp2.y = tmp1.y;
    tmp2.color = color;
    pieces.push(tmp2);
    
    var tmp3 = new Object();
    tmp3.x = tmp1.x-1;
    tmp3.y = tmp1.y;
    tmp3.color = color;
    pieces.push(tmp3);
    
    var tmp4 = new Object();
    tmp4.x = tmp3.x;
    tmp4.y = tmp3.y+1;
    tmp4.color = color;
    pieces.push(tmp4);
    piecesList.push(pieces);
    
    //状态2
    var pieces = new Array();
    var tmp1 = new Object();
    tmp1.x = mystartx-1;
    tmp1.y = mystarty;
    tmp1.color = color;
    pieces.push(tmp1);
    
    var tmp2 = new Object();
    tmp2.x = tmp1.x+1;
    tmp2.y = tmp1.y;
    tmp2.color = color;
    pieces.push(tmp2);
    
    var tmp3 = new Object();
    tmp3.x = tmp2.x;
    tmp3.y = tmp2.y+1;
    tmp3.color = color;
    pieces.push(tmp3);
    
    var tmp4 = new Object();
    tmp4.x = tmp3.x;
    tmp4.y = tmp3.y+1;
    tmp4.color = color;
    pieces.push(tmp4);
    piecesList.push(pieces);
    
    //状态3
    var pieces = new Array();
    var tmp1 = new Object();
    tmp1.x = mystartx-1;
    tmp1.y = mystarty+1;
    tmp1.color = color;
    pieces.push(tmp1);
    
    var tmp2 = new Object();
    tmp2.x = tmp1.x+1;
    tmp2.y = tmp1.y;
    tmp2.color = color;
    pieces.push(tmp2);
    
    var tmp3 = new Object();
    tmp3.x = tmp2.x+1;
    tmp3.y = tmp2.y;
    tmp3.color = color;
    pieces.push(tmp3);
    
    var tmp4 = new Object();
    tmp4.x = tmp3.x;
    tmp4.y = tmp3.y-1;
    tmp4.color = color;
    pieces.push(tmp4);
    piecesList.push(pieces);
    
    return piecesList;
}

function getJ(){
    var mystartx = maxFieldNum % 2 == 1 ? (maxFieldNum-1) / 2 : maxFieldNum / 2;
    var mystarty = 0;
    var color = "rgb("+getRandomInt(1, 255)+","+getRandomInt(1, 255)+","+getRandomInt(1, 255)+")";
    var piecesList = new Array();
    
    //状态0
    var pieces = new Array();
    var tmp1 = new Object();
    tmp1.x = mystartx;
    tmp1.y = mystarty;
    tmp1.color = color;
    pieces.push(tmp1);
    
    var tmp2 = new Object();
    tmp2.x = tmp1.x;
    tmp2.y = tmp1.y+1;
    tmp2.color = color;
    pieces.push(tmp2);
    
    var tmp3 = new Object();
    tmp3.x = tmp2.x;
    tmp3.y = tmp2.y+1;
    tmp3.color = color;
    pieces.push(tmp3);
    
    var tmp4 = new Object();
    tmp4.x = tmp3.x-1;
    tmp4.y = tmp3.y;
    tmp4.color = color;
    pieces.push(tmp4);
    piecesList.push(pieces);
    
    //状态1
    var pieces = new Array();
    var tmp1 = new Object();
    tmp1.x = mystartx-1;
    tmp1.y = mystarty;
    tmp1.color = color;
    pieces.push(tmp1);
    
    var tmp2 = new Object();
    tmp2.x = tmp1.x;
    tmp2.y = tmp1.y+1;
    tmp2.color = color;
    pieces.push(tmp2);
    
    var tmp3 = new Object();
    tmp3.x = tmp2.x+1;
    tmp3.y = tmp2.y;
    tmp3.color = color;
    pieces.push(tmp3);
    
    var tmp4 = new Object();
    tmp4.x = tmp3.x+1;
    tmp4.y = tmp3.y;
    tmp4.color = color;
    pieces.push(tmp4);
    piecesList.push(pieces);
    
    //状态2
    var pieces = new Array();
    var tmp1 = new Object();
    tmp1.x = mystartx;
    tmp1.y = mystarty;
    tmp1.color = color;
    pieces.push(tmp1);
    
    var tmp2 = new Object();
    tmp2.x = tmp1.x+1;
    tmp2.y = tmp1.y;
    tmp2.color = color;
    pieces.push(tmp2);
    
    var tmp3 = new Object();
    tmp3.x = tmp1.x;
    tmp3.y = tmp1.y+1;
    tmp3.color = color;
    pieces.push(tmp3);
    
    var tmp4 = new Object();
    tmp4.x = tmp3.x;
    tmp4.y = tmp3.y+1;
    tmp4.color = color;
    pieces.push(tmp4);
    piecesList.push(pieces);
    
    //状态3
    var pieces = new Array();
    var tmp1 = new Object();
    tmp1.x = mystartx-1;
    tmp1.y = mystarty;
    tmp1.color = color;
    pieces.push(tmp1);
    
    var tmp2 = new Object();
    tmp2.x = tmp1.x+1;
    tmp2.y = tmp1.y;
    tmp2.color = color;
    pieces.push(tmp2);
    
    var tmp3 = new Object();
    tmp3.x = tmp2.x+1;
    tmp3.y = tmp2.y;
    tmp3.color = color;
    pieces.push(tmp3);
    
    var tmp4 = new Object();
    tmp4.x = tmp3.x;
    tmp4.y = tmp3.y+1;
    tmp4.color = color;
    pieces.push(tmp4);
    piecesList.push(pieces);
    
    return piecesList;
}

function getZ(){
    var mystartx = maxFieldNum % 2 == 1 ? (maxFieldNum-1) / 2 : maxFieldNum / 2;
    var mystarty = 0;
    var color = "rgb("+getRandomInt(1, 255)+","+getRandomInt(1, 255)+","+getRandomInt(1, 255)+")";
    var piecesList = new Array();
    
    //状态0
    var pieces = new Array();
    var tmp1 = new Object();
    tmp1.x = mystartx-1;
    tmp1.y = mystarty;
    tmp1.color = color;
    pieces.push(tmp1);
    
    var tmp2 = new Object();
    tmp2.x = tmp1.x+1;
    tmp2.y = tmp1.y;
    tmp2.color = color;
    pieces.push(tmp2);
    
    var tmp3 = new Object();
    tmp3.x = tmp2.x;
    tmp3.y = tmp2.y+1;
    tmp3.color = color;
    pieces.push(tmp3);
    
    var tmp4 = new Object();
    tmp4.x = tmp3.x;
    tmp4.y = tmp3.y+1;
    tmp4.color = color;
    pieces.push(tmp4);
    
    var tmp5 = new Object();
    tmp5.x = tmp4.x+1;
    tmp5.y = tmp4.y;
    tmp5.color = color;
    pieces.push(tmp5);
    piecesList.push(pieces);
    
    //状态1
    var pieces = new Array();
    var tmp1 = new Object();
    tmp1.x = mystartx-1;
    tmp1.y = mystarty+1;
    tmp1.color = color;
    pieces.push(tmp1);
    
    var tmp2 = new Object();
    tmp2.x = tmp1.x;
    tmp2.y = tmp1.y+1;
    tmp2.color = color;
    pieces.push(tmp2);
    
    var tmp3 = new Object();
    tmp3.x = tmp1.x+1;
    tmp3.y = tmp1.y;
    tmp3.color = color;
    pieces.push(tmp3);
    
    var tmp4 = new Object();
    tmp4.x = tmp3.x+1;
    tmp4.y = tmp3.y;
    tmp4.color = color;
    pieces.push(tmp4);
    
    var tmp5 = new Object();
    tmp5.x = tmp4.x;
    tmp5.y = tmp4.y-1;
    tmp5.color = color;
    pieces.push(tmp5);
    piecesList.push(pieces);
    
    //状态2
    var pieces = new Array();
    var tmp1 = new Object();
    tmp1.x = mystartx-1;
    tmp1.y = mystarty;
    tmp1.color = color;
    pieces.push(tmp1);
    
    var tmp2 = new Object();
    tmp2.x = tmp1.x+1;
    tmp2.y = tmp1.y;
    tmp2.color = color;
    pieces.push(tmp2);
    
    var tmp3 = new Object();
    tmp3.x = tmp2.x;
    tmp3.y = tmp2.y+1;
    tmp3.color = color;
    pieces.push(tmp3);
    
    var tmp4 = new Object();
    tmp4.x = tmp3.x;
    tmp4.y = tmp3.y+1;
    tmp4.color = color;
    pieces.push(tmp4);
    
    var tmp5 = new Object();
    tmp5.x = tmp4.x+1;
    tmp5.y = tmp4.y;
    tmp5.color = color;
    pieces.push(tmp5);
    piecesList.push(pieces);
    
    //状态3
    var pieces = new Array();
    var tmp1 = new Object();
    tmp1.x = mystartx-1;
    tmp1.y = mystarty+1;
    tmp1.color = color;
    pieces.push(tmp1);
    
    var tmp2 = new Object();
    tmp2.x = tmp1.x;
    tmp2.y = tmp1.y+1;
    tmp2.color = color;
    pieces.push(tmp2);
    
    var tmp3 = new Object();
    tmp3.x = tmp1.x+1;
    tmp3.y = tmp1.y;
    tmp3.color = color;
    pieces.push(tmp3);
    
    var tmp4 = new Object();
    tmp4.x = tmp3.x+1;
    tmp4.y = tmp3.y;
    tmp4.color = color;
    pieces.push(tmp4);
    
    var tmp5 = new Object();
    tmp5.x = tmp4.x;
    tmp5.y = tmp4.y-1;
    tmp5.color = color;
    pieces.push(tmp5);
    piecesList.push(pieces);
    
    return piecesList;
}

function getS(){
    var mystartx = maxFieldNum % 2 == 1 ? (maxFieldNum-1) / 2 : maxFieldNum / 2;
    var mystarty = 0;
    var color = "rgb("+getRandomInt(1, 255)+","+getRandomInt(1, 255)+","+getRandomInt(1, 255)+")";
    var piecesList = new Array();
    
    //状态0
    var pieces = new Array();
    var tmp1 = new Object();
    tmp1.x = mystartx;
    tmp1.y = mystarty;
    tmp1.color = color;
    pieces.push(tmp1);
    
    var tmp2 = new Object();
    tmp2.x = tmp1.x+1;
    tmp2.y = tmp1.y;
    tmp2.color = color;
    pieces.push(tmp2);
    
    var tmp3 = new Object();
    tmp3.x = tmp1.x;
    tmp3.y = tmp1.y+1;
    tmp3.color = color;
    pieces.push(tmp3);
    
    var tmp4 = new Object();
    tmp4.x = tmp3.x-1;
    tmp4.y = tmp3.y;
    tmp4.color = color;
    pieces.push(tmp4);
    piecesList.push(pieces);
    
    //状态1
    var pieces = new Array();
    var tmp1 = new Object();
    tmp1.x = mystartx;
    tmp1.y = mystarty;
    tmp1.color = color;
    pieces.push(tmp1);
    
    var tmp2 = new Object();
    tmp2.x = tmp1.x;
    tmp2.y = tmp1.y+1;
    tmp2.color = color;
    pieces.push(tmp2);
    
    var tmp3 = new Object();
    tmp3.x = tmp2.x+1;
    tmp3.y = tmp2.y;
    tmp3.color = color;
    pieces.push(tmp3);
    
    var tmp4 = new Object();
    tmp4.x = tmp3.x;
    tmp4.y = tmp3.y+1;
    tmp4.color = color;
    pieces.push(tmp4);
    piecesList.push(pieces);
    
    //状态2
    var pieces = new Array();
    var tmp1 = new Object();
    tmp1.x = mystartx;
    tmp1.y = mystarty;
    tmp1.color = color;
    pieces.push(tmp1);
    
    var tmp2 = new Object();
    tmp2.x = tmp1.x+1;
    tmp2.y = tmp1.y;
    tmp2.color = color;
    pieces.push(tmp2);
    
    var tmp3 = new Object();
    tmp3.x = tmp1.x;
    tmp3.y = tmp1.y+1;
    tmp3.color = color;
    pieces.push(tmp3);
    
    var tmp4 = new Object();
    tmp4.x = tmp3.x-1;
    tmp4.y = tmp3.y;
    tmp4.color = color;
    pieces.push(tmp4);
    piecesList.push(pieces);
    
    //状态3
    var pieces = new Array();
    var tmp1 = new Object();
    tmp1.x = mystartx;
    tmp1.y = mystarty;
    tmp1.color = color;
    pieces.push(tmp1);
    
    var tmp2 = new Object();
    tmp2.x = tmp1.x;
    tmp2.y = tmp1.y+1;
    tmp2.color = color;
    pieces.push(tmp2);
    
    var tmp3 = new Object();
    tmp3.x = tmp2.x+1;
    tmp3.y = tmp2.y;
    tmp3.color = color;
    pieces.push(tmp3);
    
    var tmp4 = new Object();
    tmp4.x = tmp3.x;
    tmp4.y = tmp3.y+1;
    tmp4.color = color;
    pieces.push(tmp4);
    piecesList.push(pieces);
    
    return piecesList;
}

function getO(){
    var mystartx = maxFieldNum % 2 == 1 ? (maxFieldNum-1) / 2 : maxFieldNum / 2;
    var mystarty = 0;
    var color = "rgb("+getRandomInt(1, 255)+","+getRandomInt(1, 255)+","+getRandomInt(1, 255)+")";
    var piecesList = new Array();
    
    //状态0
    var pieces = new Array();
    var tmp1 = new Object();
    tmp1.x = mystartx;
    tmp1.y = mystarty;
    tmp1.color = color;
    pieces.push(tmp1);
    
    var tmp2 = new Object();
    tmp2.x = tmp1.x+1;
    tmp2.y = tmp1.y;
    tmp2.color = color;
    pieces.push(tmp2);
    
    var tmp3 = new Object();
    tmp3.x = tmp1.x;
    tmp3.y = tmp1.y+1;
    tmp3.color = color;
    pieces.push(tmp3);
    
    var tmp4 = new Object();
    tmp4.x = tmp2.x;
    tmp4.y = tmp2.y+1;
    tmp4.color = color;
    pieces.push(tmp4);
    piecesList.push(pieces);
    
    //状态1
    var pieces = new Array();
    var tmp1 = new Object();
    tmp1.x = mystartx;
    tmp1.y = mystarty;
    tmp1.color = color;
    pieces.push(tmp1);
    
    var tmp2 = new Object();
    tmp2.x = tmp1.x+1;
    tmp2.y = tmp1.y;
    tmp2.color = color;
    pieces.push(tmp2);
    
    var tmp3 = new Object();
    tmp3.x = tmp1.x;
    tmp3.y = tmp1.y+1;
    tmp3.color = color;
    pieces.push(tmp3);
    
    var tmp4 = new Object();
    tmp4.x = tmp2.x;
    tmp4.y = tmp2.y+1;
    tmp4.color = color;
    pieces.push(tmp4);
    piecesList.push(pieces);
    
    //状态2
    var pieces = new Array();
    var tmp1 = new Object();
    tmp1.x = mystartx;
    tmp1.y = mystarty;
    tmp1.color = color;
    pieces.push(tmp1);
    
    var tmp2 = new Object();
    tmp2.x = tmp1.x+1;
    tmp2.y = tmp1.y;
    tmp2.color = color;
    pieces.push(tmp2);
    
    var tmp3 = new Object();
    tmp3.x = tmp1.x;
    tmp3.y = tmp1.y+1;
    tmp3.color = color;
    pieces.push(tmp3);
    
    var tmp4 = new Object();
    tmp4.x = tmp2.x;
    tmp4.y = tmp2.y+1;
    tmp4.color = color;
    pieces.push(tmp4);
    piecesList.push(pieces);
    
    //状态3
    var pieces = new Array();
    var tmp1 = new Object();
    tmp1.x = mystartx;
    tmp1.y = mystarty;
    tmp1.color = color;
    pieces.push(tmp1);
    
    var tmp2 = new Object();
    tmp2.x = tmp1.x+1;
    tmp2.y = tmp1.y;
    tmp2.color = color;
    pieces.push(tmp2);
    
    var tmp3 = new Object();
    tmp3.x = tmp1.x;
    tmp3.y = tmp1.y+1;
    tmp3.color = color;
    pieces.push(tmp3);
    
    var tmp4 = new Object();
    tmp4.x = tmp2.x;
    tmp4.y = tmp2.y+1;
    tmp4.color = color;
    pieces.push(tmp4);
    piecesList.push(pieces);
    
    return piecesList;
}

function getI(){
    var mystartx = maxFieldNum % 2 == 1 ? (maxFieldNum-1) / 2 : maxFieldNum / 2;
    var mystarty = 0;
    var color = "rgb("+getRandomInt(1, 255)+","+getRandomInt(1, 255)+","+getRandomInt(1, 255)+")";
    var piecesList = new Array();
    
    //状态0
    var pieces = new Array();
    var tmp1 = new Object();
    tmp1.x = mystartx-1;
    tmp1.y = mystarty;
    tmp1.color = color;
    pieces.push(tmp1);
    
    var tmp2 = new Object();
    tmp2.x = tmp1.x+1;
    tmp2.y = tmp1.y;
    tmp2.color = color;
    pieces.push(tmp2);
    
    var tmp3 = new Object();
    tmp3.x = tmp2.x+1;
    tmp3.y = tmp2.y;
    tmp3.color = color;
    pieces.push(tmp3);
    
    var tmp4 = new Object();
    tmp4.x = tmp3.x+1;
    tmp4.y = tmp3.y;
    tmp4.color = color;
    pieces.push(tmp4);
    piecesList.push(pieces);
    
    //状态1
    var pieces = new Array();
    var tmp1 = new Object();
    tmp1.x = mystartx;
    tmp1.y = mystarty;
    tmp1.color = color;
    pieces.push(tmp1);
    
    var tmp2 = new Object();
    tmp2.x = tmp1.x;
    tmp2.y = tmp1.y+1;
    tmp2.color = color;
    pieces.push(tmp2);
    
    var tmp3 = new Object();
    tmp3.x = tmp2.x;
    tmp3.y = tmp2.y+1;
    tmp3.color = color;
    pieces.push(tmp3);
    
    var tmp4 = new Object();
    tmp4.x = tmp3.x;
    tmp4.y = tmp3.y+1;
    tmp4.color = color;
    pieces.push(tmp4);
    piecesList.push(pieces);
    
    //状态2
    var pieces = new Array();
    var tmp1 = new Object();
    tmp1.x = mystartx-1;
    tmp1.y = mystarty;
    tmp1.color = color;
    pieces.push(tmp1);
    
    var tmp2 = new Object();
    tmp2.x = tmp1.x+1;
    tmp2.y = tmp1.y;
    tmp2.color = color;
    pieces.push(tmp2);
    
    var tmp3 = new Object();
    tmp3.x = tmp2.x+1;
    tmp3.y = tmp2.y;
    tmp3.color = color;
    pieces.push(tmp3);
    
    var tmp4 = new Object();
    tmp4.x = tmp3.x+1;
    tmp4.y = tmp3.y;
    tmp4.color = color;
    pieces.push(tmp4);
    piecesList.push(pieces);
    
    //状态3
    var pieces = new Array();
    var tmp1 = new Object();
    tmp1.x = mystartx;
    tmp1.y = mystarty;
    tmp1.color = color;
    pieces.push(tmp1);
    
    var tmp2 = new Object();
    tmp2.x = tmp1.x;
    tmp2.y = tmp1.y+1;
    tmp2.color = color;
    pieces.push(tmp2);
    
    var tmp3 = new Object();
    tmp3.x = tmp2.x;
    tmp3.y = tmp2.y+1;
    tmp3.color = color;
    pieces.push(tmp3);
    
    var tmp4 = new Object();
    tmp4.x = tmp3.x;
    tmp4.y = tmp3.y+1;
    tmp4.color = color;
    pieces.push(tmp4);
    piecesList.push(pieces);
    
    return piecesList;
}

//生成随机方块坐标
function createRandPiece(){
    var shapes = new Array('T','L','J','Z','S','O','I');
    var shapeType = shapes[getRandomInt(0, shapes.length-1)];
    //console.log(shapeType);
    var res = new Array();
    
    if(shapeType == 'T'){
        res = getT();
    } else if(shapeType == 'L'){
        res = getL();
    } else if(shapeType == 'J'){
        res = getJ();
    } else if(shapeType == 'Z'){
        res = getZ();
    } else if(shapeType == 'S'){
        res = getS();
    } else if(shapeType == 'O'){
        res = getO();
    } else if(shapeType == 'I'){
        res = getI();
    } else {
        console.log('我擦，你想干啥');
    }
    
    return res;
}

//处理键盘事件
function doKeyDown(e){
    var keyId = e.keyCode ? e.keyCode : e.which;
    var key = e.key ? e.key : e.key;
    var code = e.code ? e.code : e.code;
    console.log('keyId:'+keyId+' key:'+key+' code:'+code);
    
    //验证是否越界
    //a
    if(keyId == 65 || keyId == 37){
        for(var j = 0; j < pieceNow[nowStatus].length; j++){
            if(pieceNow[nowStatus][j].x-1 < 0){
                return false;
            }
        }
    }
    
    //d
    if(keyId == 68 || keyId == 39){
        for(var j = 0; j < pieceNow[nowStatus].length; j++){
            if(pieceNow[nowStatus][j].x+1 > maxFieldNum-1){
                return false;
            }
        }
    }
    
    //w
    if(keyId == 87 || keyId == 38){
        return false;
        for(var j = 0; j < pieceNow[nowStatus].length; j++){
            if(pieceNow[nowStatus][j].y-1 < 0){
                return false;
            }
        }
    }
    
    //s
    if(keyId == 83 || keyId == 40){
        for(var j = 0; j < pieceNow[nowStatus].length; j++){
            if(pieceNow[nowStatus][j].y+1 > maxLineNum-1){
                return false;
            }
        }
    }
    
    //移动
    //a
    if(keyId == 65 || keyId == 37){
        for(var i = 0; i < pieceNow.length; i++){
            for(var j = 0; j < pieceNow[i].length; j++){
                pieceNow[i][j].x--;
            }
        }
    }
    
    //d
    if(keyId == 68 || keyId == 39){
        for(var i = 0; i < pieceNow.length; i++){
            for(var j = 0; j < pieceNow[i].length; j++){
                pieceNow[i][j].x++;
            }
        }
    }
    
    //w
    if(keyId == 87 || keyId == 38){
        for(var i = 0; i < pieceNow.length; i++){
            for(var j = 0; j < pieceNow[i].length; j++){
                pieceNow[i][j].y--;
            }
        }
    }
    
    //s
    if(keyId == 83 || keyId == 40){
        for(var i = 0; i < pieceNow.length; i++){
            for(var j = 0; j < pieceNow[i].length; j++){
                pieceNow[i][j].y++;
            }
        }
    }
    
    var changeFlag = false;
    for(var j = 0; j < pieceNow[nowStatus].length; j++){
        if(pieceNow[nowStatus][j].y+1 > maxLineNum-1){
            changeFlag = true;
            score++;
            break;
        }
    }
    
    for(var j = 0; j < pieceNow[nowStatus].length; j++){
        for(var i = 0; i < jileiList.length; i++){
            if(pieceNow[nowStatus][j].x == jileiList[i].x && pieceNow[nowStatus][j].y+1 == jileiList[i].y){
                changeFlag = true;
                score++;
                break;
            }
        }
    }
    
    if(changeFlag == true){
        for(var j = 0; j < pieceNow[nowStatus].length; j++){
            var tmp = new Object();
            tmp.x = pieceNow[nowStatus][j].x;
            tmp.y = pieceNow[nowStatus][j].y;
            tmp.color = pieceNow[nowStatus][j].color;
            jileiList.push(tmp);
        }
        
        pieceNow = pieceWill;
        pieceWill = createRandPiece();
        nowStatus = 0;
    }
    
    
    //换方向
    if(code == 'Space'){
        nowStatus = (nowStatus + 1) % 4;
    }
    
    draw();
}

function draw(){
    //清理画布
    var ctx = myCanvas.getContext("2d");
    ctx.beginPath();
    ctx.clearRect(0, 0, paint_width, paint_height);
    
    //画布背景
    var ctx = myCanvas.getContext("2d");
    ctx.beginPath();
    ctx.fillStyle = "rgb(147,112,219)";
    ctx.fillRect(0,0,paint_width,paint_height);
    //console.log("画布背景尺寸：宽："+paint_width+"，高："+paint_height);
    
    //左侧背景
    var ctx = myCanvas.getContext("2d");
    ctx.beginPath();
    ctx.fillStyle = "rgb(255,250,240)";
    ctx.fillRect(pading,pading,left_width,left_height);
    //console.log("左侧背景尺寸：宽："+left_width+"，高："+left_height);
    
    //右侧背景
    var ctx = myCanvas.getContext("2d");
    ctx.beginPath();
    ctx.fillStyle = "rgb(230,230,250)";
    ctx.fillRect(left_width+pading,pading,right_width,right_height);
    //console.log("右侧背景尺寸：宽："+right_width+"，高："+right_height);
    
    //横线
    for(var i = 0; i <= maxLineNum; i++){
        var ctx = myCanvas.getContext("2d");
        ctx.beginPath();
        ctx.moveTo(pading, pading+perHeight*i);
        ctx.lineTo(pading+left_width, pading+perHeight*i);
        ctx.strokeStyle = 'black';
        ctx.lineWidth = 1;
        ctx.stroke();
    }
    
    //竖线
    for(var i = 0; i <= maxFieldNum; i++){
        var ctx = myCanvas.getContext("2d");
        ctx.beginPath();
        ctx.moveTo(pading+perWidth*i, pading);
        ctx.lineTo(pading+perWidth*i, pading+left_height);
        ctx.strokeStyle = 'black';
        ctx.lineWidth = 1;
        ctx.stroke();
    }
    
    //画当前的块
    //console.log(pieceNow);
    if(nowStatus < pieceNow.length){
        for(var i = 0; i < pieceNow[nowStatus].length; i++){
            var ctx = myCanvas.getContext("2d");
            ctx.beginPath();
            ctx.fillStyle = pieceNow[nowStatus][i].color;
            ctx.fillRect(pieceNow[nowStatus][i].x*perWidth+pading,pieceNow[nowStatus][i].y*perHeight+pading,perWidth,perHeight);
        }
    }
    
    //画积累的块
    for(var i = 0; i < jileiList.length; i++){
        var ctx = myCanvas.getContext("2d");
        ctx.beginPath();
        ctx.fillStyle = jileiList[i].color;
        ctx.fillRect(jileiList[i].x*perWidth+pading,jileiList[i].y*perHeight+pading,perWidth,perHeight);
    }
    
    //画未来的块部分的文字
    ctx.beginPath();
    ctx.fillStyle="rgb(255,130,71)";
    ctx.font="14px Arial";
    ctx.fillText('下一个', left_width+pading+right_width/3,right_height/4);
    
    //画未来的块
    //console.log(pieceWill);
    if(0 < pieceWill.length){
        for(var i = 0; i < pieceWill[0].length; i++){
            var ctx = myCanvas.getContext("2d");
            ctx.beginPath();
            ctx.fillStyle = pieceWill[0][i].color;
            ctx.fillRect((pieceWill[0][i].x+16)*perWidth+pading,(pieceWill[0][i].y+7)*perHeight+pading,perWidth,perHeight);
        }
    }
    
    //显示得分按钮和文字
    var tmpcolor = "rgb(238,197,145)";
    var ctx = myCanvas.getContext("2d");
    ctx.beginPath();
    ctx.fillStyle = tmpcolor;
    ctx.fillRect(left_width+pading+right_width/4,perHeight/2,120,35);
    
    //获取反色，展示文字序号
    var pattern = /[0-9]+/g;
    var matches = tmpcolor.match(pattern);
    var r = 255-matches[0];
    var g = 255-matches[1];
    var b = 255-matches[2];
    ctx.beginPath();
    ctx.fillStyle="rgb("+r+","+g+","+b+")";
    ctx.font="14px Arial";
    ctx.fillText("得分："+score, left_width+pading+right_width/4+35,perHeight/2+23);
    
    myCanvas.addEventListener('keydown', doKeyDown,true);
    myCanvas.focus();
    window.addEventListener('keydown', doKeyDown, true);
}

function getUnixTime(){
    return Math.floor(Date.now() / 1000);
}

function getRandomInt(min, max) {
    min = Math.ceil(min);
    max = Math.floor(max);
    return Math.floor(Math.random() * (max - min + 1)) + min;
}

draw();

</script>

</body>
</html>
截图：
标签：canvas,color,pieces,tmp3,var,tmp1,俄罗斯,方块,tmp2
From： https://www.cnblogs.com/xuxiaobo/p/18398937
canvas版本的俄罗斯方块，少一个全行填充消除，有兴趣再加，俄罗斯方块还是复杂一些

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