piece queue wip

pull/1/head
PolicyChanges1@gmail.com 2021-02-05 04:19:09 -05:00
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README.md Normal file
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# Tetris
This is a small html5 tetris game , written by pure javascript and html5 canvas,modular by browserify.
Just a practice, if you are interested in writing html5 games,check the code and have fun!
# Demo
[Tetris Game](http://sandywalker.github.io/Tetris/)
#License
MIT © Sandy Duan# Tetrion Opening Trainer PolicyChanges (2021) MIT Liecense

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html,body{
height:100%;
}
body{
background: #3f3f3f;
margin:0;
padding:0;
position: relative;
font-family: 'American Typewriter','Marker Felt';
}
#tetris{
left:50%;
top:50%;
position: absolute;
background: #555;
}
#scene{
height:100%;
position: absolute;
background: #2f2f2f;
}
#gameOver{
height:100%;
position: absolute;
background:rgba(0,0,0,.75);
z-index:999;
color:#ffe100;
text-align: center;
display: none;
}
#gameOver h1{
margin-top:50%;
}
#gameOver a,#gameOver a:visited{
color:#66bc29;
text-decoration: none;
}
#gameOver h3{
color:orange;
}
#side{
height:100%;
position: absolute;
top:0;
right:0;
text-align: center;
}
#info{
width:120px;
margin:0 auto;
}
#preview{
width:80px;
height:360px;
background: #2f2f2f;
margin:10px auto;
}
#levelInfo{
color:#fff;
font-size:18px;
margin:10px 0;
}
#level{
color:orange;
font-size:32px;
}
#scoreInfo{
color:#fff;
font-size: 18px;
margin-top:0;
}
#score{
color:orange;
font-family: 'Chalkboard SE';
}
#rewardInfo{
color:yellow;
font-weight: bold;
height:20px;
}
.invisible{
visibility: hidden;
}
.animated {
-webkit-animation-duration: 1.5s;
animation-duration: 1.5s;
-webkit-animation-fill-mode: both;
animation-fill-mode: both;
}
@-webkit-keyframes fadeOutUp {
0% {
opacity: 1;
}
100% {
opacity: 0;
-webkit-transform: translate3d(0, -100%, 0);
transform: translate3d(0, -100%, 0);
}
}
@keyframes fadeOutUp {
0% {
opacity: 1;
}
100% {
opacity: 0;
-webkit-transform: translate3d(0, -100%, 0);
-ms-transform: translate3d(0, -100%, 0);
transform: translate3d(0, -100%, 0);
}
}
.fadeOutUp {
-webkit-animation-name: fadeOutUp;
animation-name: fadeOutUp;
}

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browserify ./src/main.js -o ./dist/tetrion.js

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<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<meta http-equiv="x-ua-compatible" content="ie=edge">
<meta name="viewport" content="width=device-width, initial-scale=1">
<title>Tetrion Opening Trainer</title>
<link rel="stylesheet" href="css/styles.css">
</head>
<body>
<div id="tetris">
<canvas id="scene"></canvas>
<div id="gameOver">
<h1>Game Over !</h1>
<h3>Score: <span id="finalScore">0</span></h3>
<h2><a href="#" id="restart">Restart</a></h2>
</div>
<div id="side">
<div id="info">
<h1 id="levelInfo">Level: <br><span id="level">1</span></h1>
<h2 id="scoreInfo">Score: <br><span id="score" >0</span></h2>
<div id="rewardInfo" class="invisible">+<span id="reward">0</span></div>
<canvas id="preview"></canvas>
</div>
</div>
</div>
</body>
<script src="dist/tetrion.js"></script>
<script>
(function(){
var tetris = new Tetris('tetris');
tetris.start();
})();
</script>
</html>

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var utils = require('./utils.js');
var consts = require('./consts.js');
var lineColor = consts.GRID_LINE_COLOR;
var boxBorderColor = consts.BOX_BORDER_COLOR;
//Draw a single line in canvas context
var drawLine = function(ctx,p1,p2,color){
ctx.beginPath();
ctx.moveTo(p1.x,p1.y);
ctx.lineTo(p2.x,p2.y);
ctx.lineWidth=1;
ctx.strokeStyle= color;
ctx.stroke();
ctx.closePath();
};
//Draw game grids
var drawGrids = function(el,gridSize,colCount,rowCount,color1,color2){
var ctx = el.getContext('2d');
var width = el.width;
var height = el.height;
ctx.rect(0, 0, width, height);
var grd = ctx.createLinearGradient(0, 0, 0, height);
grd.addColorStop(0, color1);
grd.addColorStop(1, color2);
ctx.fillStyle = grd;
ctx.fill();
for (var i = 1; i < colCount; i++) {
var x = gridSize*i+0.5;
drawLine(ctx,{x:x,y:0},{x:x,y:height},lineColor);
};
for (var i = 1; i < rowCount; i++) {
var y = gridSize*i+0.5;
drawLine(ctx,{x:0,y:y},{x:width,y:y},lineColor);
};
};
//Draw box of shape (shape is the composition of boxes)
var drawBox = function(ctx,color,x,y,gridSize){
if (y<0){
return;
}
ctx.beginPath();
ctx.rect(x,y,gridSize,gridSize);
ctx.fillStyle = color;
ctx.fill();
ctx.strokeStyle= boxBorderColor;
ctx.lineWidth=1;
ctx.stroke();
ctx.closePath();
}
/*
Canvas main object, use to draw all games data.
*/
var tetrisCanvas = {
init:function(scene,preview){
this.scene = scene;
this.preview = preview;
this.sceneContext = scene.getContext('2d');
this.previewContext = preview.getContext('2d');
this.gridSize = scene.width / consts.COLUMN_COUNT;
this.previewGridSize = preview.width / consts.PREVIEW_COUNT;
this.drawScene();
},
//Clear game canvas
clearScene:function(){
this.sceneContext.clearRect(0, 0, this.scene.width, this.scene.height);
},
//Clear preview canvas
clearPreview:function(){
this.previewContext.clearRect(0,0,this.preview.width,this.preview.height);
},
//Draw game scene, grids
drawScene:function(){
this.clearScene();
drawGrids(this.scene,this.gridSize,
consts.COLUMN_COUNT,consts.ROW_COUNT,
consts.SCENE_BG_START,consts.SCENE_BG_END);
},
//Draw game data
drawMatrix:function(matrix){
for(var i = 0;i<matrix.length;i++){
var row = matrix[i];
for(var j = 0;j<row.length;j++){
if (row[j]!==0){
drawBox(this.sceneContext,row[j],j*this.gridSize,i*this.gridSize,this.gridSize);
}
}
}
},
//Draw preview data
drawPreview:function(){
drawGrids(this.preview,this.previewGridSize,
consts.PREVIEW_COUNT,consts.PREVIEW_COUNT,
consts.PREVIEW_BG,consts.PREVIEW_BG);
},
//Draw acitve shape in game
drawShape:function(shape){
if (!shape){
return;
}
var matrix = shape.matrix();
var gsize = this.gridSize;
for(var i = 0;i<matrix.length;i++){
for(var j = 0;j<matrix[i].length;j++){
var value = matrix[i][j];
if (value === 1){
var x = gsize *(shape.x + j);
var y = gsize *(shape.y + i);
drawBox(this.sceneContext,shape.color,x,y,gsize);
}
}
}
},
//Draw preview shape in preview canvas
drawPreviewShape:function(shape){
if (!shape){
return;
}
this.clearPreview();
var matrix = shape.matrix();
var gsize = this.previewGridSize;
var startX = (this.preview.width - gsize*shape.getColumnCount()) / 2;
var startY = (this.preview.height - gsize*shape.getRowCount()) / 2;
for(var i = 0;i<matrix.length;i++){
for(var j = 0;j<matrix[i].length;j++){
var value = matrix[i][j];
if (value === 1){
var x = startX + gsize * j;
var y = startY + gsize * i;
drawBox(this.previewContext,shape.color,x,y,gsize);
}
}
}
}
};
module.exports = tetrisCanvas;

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//colors for shapes
var colors = ['#00af9d','#ffb652','#cd66cc','#66bc29','#0096db','#3a7dda','#ffe100'];
//sidebar width
var sideWidth = 120;
//scene column count
var columnCount = 10;
//scene row count;
var rowCount = 20;
//scene piece entry count;
var entryRowCount = 3;
//previewCount
var previewCount = 6;
//scene gradient start color
var sceneBgStart = '#8e9ba6';
//scene gradient end color
var sceneBgEnd = '#5c6975';
//preview background color
var previewBg = '#2f2f2f';
//grid line color
var gridLineColor = 'rgba(255,255,255,0.2)';
//box border color
var boxBorderColor = 'rgba(255,255,255,0.5)';
// Game speed
var defaultInterval = 600;
// Level update interval
var levelInterval = 120 * 1000;
var exports = module.exports = {};
exports.COLORS = colors;
exports.SIDE_WIDTH = sideWidth;
exports.ROW_COUNT = rowCount;
exports.COLUMN_COUNT = columnCount;
exports.SCENE_BG_START = sceneBgStart;
exports.SCENE_BG_END = sceneBgEnd;
exports.PREVIEW_BG = previewBg;
exports.PREVIEW_COUNT = previewCount;
exports.GRID_LINE_COLOR = gridLineColor;
exports.BOX_BORDER_COLOR = boxBorderColor;
exports.DEFAULT_INTERVAL = defaultInterval;
exports.LEVEL_INTERVAL = levelInterval;

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var gamepadAPI = {
controller: {},
turbo: false,
connect: function(evt) {
gamepadAPI.controller = evt.gamepad;
gamepadAPI.turbo = true;
console.log('Gamepad connected.');
},
disconnect: function(evt) {
gamepadAPI.turbo = false;
delete gamepadAPI.controller;
console.log('Gamepad disconnected.');
},
update: function() {
gamepadAPI.buttonsCache = [];
for (var k = 0; k < gamepadAPI.buttonsStatus.length; k++) {
gamepadAPI.buttonsCache[k] = gamepadAPI.buttonsStatus[k];
}
gamepadAPI.buttonsStatus = [];
var c = gamepadAPI.controller || {};
var pressed = [];
if (c.buttons) {
for (var b = 0, t = c.buttons.length; b < t; b++) {
if (c.buttons[b].pressed) {
pressed.push(gamepadAPI.buttons[b]);
}
}
}
var axes = [];
if (c.axes) {
for (var a = 0, x = c.axes.length; a < x; a++) {
axes.push(c.axes[a].toFixed(2));
}
}
gamepadAPI.axesStatus = axes;
gamepadAPI.buttonsStatus = pressed;
return pressed;
},
buttonPressed: function(button, hold) {
var newPress = false;
for (var i = 0, s = gamepadAPI.buttonsStatus.length; i < s; i++) {
if (gamepadAPI.buttonsStatus[i] == button) {
newPress = true;
if (!hold) {
for (var j = 0, p = gamepadAPI.buttonsCache.length; j < p; j++) {
if (gamepadAPI.buttonsCache[j] == button) {
newPress = false;
}
}
}
}
}
return newPress;
},
buttons: [ // XBox360 layout
'A', 'B', 'X', 'Y',
'LB', 'RB', 'Axis-Left', 'DPad-Right',
'Back', 'Start', 'Power', 'Axis-Right','DPad-Up', 'DPad-Down' , 'DPad-Left','DPad-Right'
],
/*
'DPad-Up', 'DPad-Down', 'DPad-Left', 'DPad-Right',
'Start', 'Back', 'Axis-Left', 'Axis-Right',
'LB', 'RB', 'Power', 'A', 'B', 'X', 'Y',
],*/
buttonsCache: [],
buttonsStatus: [],
axesStatus: []
};
window.addEventListener("gamepadconnected", gamepadAPI.connect);
window.addEventListener("gamepaddisconnected", gamepadAPI.disconnect);
module.exports = gamepadAPI;

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var gamepad = require('./gamepad.js');
const gamepadLeftPressedEvent = new Event('leftPressed');
//const gamepadRightPressedEvent = new Event('rightPressed');
//const gamepadUpPressedEvent = new Event('upPressed');
//const gamepadPressedEvent = new Event('leftPressed');
var UserInputs = {
init() {
document.addEventListener('keydown', this.keyDown.bind(this));
document.addEventListener('keyup', this.keyUp.bind(this));
},
updateGamepad() {
this.gpButtons = gamepad.update();
},
incFrame() {
this.nframe++;
},
incDeciframes() {
this.nDeciframes++;
},
processGamepadInput() {
this.gamepadDown("DPad-Left");
this.gamepadDown("DPad-Right");
this.gamepadDown("DPad-Down");
return;
},
processButtons() {
this.gamepadButtonsDown("RB");
this.gamepadButtonsDown("LB");
this.gamepadButtonsDown("A");
this.gamepadButtonsDown("B");
//this.gamepadButtonsDown("X");
//this.gamepadButtonsDown("Y");
return;
},
gamepadButtonsDown(finds) {
var isContained = this.gpButtons.includes(finds);
if (!this.isGamepadButtonDown) {
if (this.nDeciframes >= 20) {
this.nDeciframes = 0;
this.isGamepadButtonDown = true;
}
} else {
if (this.nDeciframes >= 40 && isContained) {
//console.log("Pushdown: " + finds);
this.gamepadQueue.push(finds);
this.nDeciframes = 0;
}
}
},
gamepadDown(finds) {
var DAS = 8;
var ARR = 5;
var isContained = this.gpButtons.includes(finds);
var isDas = true; //this.gpButtons.includes("DPad-Left") || this.gpButtons.includes("DPad-Right") ||
this.gpButtons.includes("DPad-Up") || this.gpButtons.includes("DPad-Down");
if(isDas) {
//console.log("frame no.: " + this.nframe + this.isGamepadDown);
if (!this.isGamepadDown) {
if (this.nframe >= DAS) {
this.nframe = 0;
this.isGamepadDown = true;
}
} else {
if (this.nframe >= ARR && isContained) {
this.gamepadQueue.push(finds);
this.nframe = 0;
}
}
}
return;
},
processInput() {
var DAS = 4;
var ARR = 2;
if (this.isDown.key == 65 || this.isDown.key == 68 || this.keyDown.key == 38) {
return;
}
//console.log("Henlo: " + this.isDown.frames);
if (this.isDown) {
console.log("Henlo: " + this.isDown.key);
this.isDown.frames++;
if (!this.isDown.held) {
if (this.isDown.frames == DAS) {
this.isDown.frames = 0;
this.isDown.held = true;
}
} else {
if (this.isDown.frames == ARR) {
this.inputqueue.push(this.isDown.key);
this.isDown.frames = 0;
}
}
}
},
keyDown(event) {
if (this.isDown == false) {
var key = {
key: event.keyCode,
held: false,
frames: 0
}
this.isDown = key;
this.inputqueue.push(this.isDown.key);
}
},
keyUp(event) {
this.isDown = false;
},
isDown: false,
isGamepadDown: false,
isGamepadButtonDown: false,
nframe: 0,
nDeciframes: 0,
gpButtons: [],
inputqueue: [],
prevButton: "",
gamepadQueue: []
};
module.exports = UserInputs;

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var utils = require('./utils.js');
var consts = require('./consts.js');
var shapes = require('./shapes.js');
var views = require('./views.js');
var canvas = require('./canvas.js');
var inputs = require('./input.js');
/**
Init game matrix
*/
var initMatrix = function(rowCount, columnCount) {
var result = [];
for (var i = 0; i < rowCount; i++) {
var row = [];
result.push(row);
for (var j = 0; j < columnCount; j++) {
row.push(0);
}
}
return result;
};
/**
Clear game matrix
*/
var clearMatrix = function(matrix) {
for (var i = 0; i < matrix.length; i++) {
for (var j = 0; j < matrix[i].length; j++) {
matrix[i][j] = 0;
}
}
};
/**
Check all full rows in game matrix
return rows number array. eg: [18,19];
*/
var checkFullRows = function(matrix) {
var rowNumbers = [];
for (var i = 0; i < matrix.length; i++) {
var row = matrix[i];
var full = true;
for (var j = 0; j < row.length; j++) {
full = full && row[j] !== 0;
}
if (full) {
rowNumbers.push(i);
}
}
return rowNumbers;
};
/**
Remove one row from game matrix.
copy each previous row data to next row which row number less than row;
*/
var removeOneRow = function(matrix, row) {
var colCount = matrix[0].length;
for (var i = row; i >= 0; i--) {
for (var j = 0; j < colCount; j++) {
if (i > 0) {
matrix[i][j] = matrix[i - 1][j];
} else {
matrix[i][j] = 0;
}
}
}
};
/**
Remove rows from game matrix by row numbers.
*/
var removeRows = function(matrix, rows) {
for (var i in rows) {
removeOneRow(matrix, rows[i]);
}
};
/**
Check game data to determin wether the game is over
*/
var checkGameOver = function(matrix) {
var firstRow = matrix[0];
for (var i = 0; i < firstRow.length; i++) {
if (firstRow[i] !== 0) {
return true;
};
}
return false;
};
/**
Calculate the extra rewards add to the score
*/
var calcRewards = function(rows) {
if (rows && rows.length > 1) {
return Math.pow(2, rows.length - 1) * 100;
}
return 0;
};
/**
Calculate game score
*/
var calcScore = function(rows) {
if (rows && rows.length) {
return rows.length * 100;
}
return 0;
};
/**
Calculate time interval by level, the higher the level,the faster shape moves
*/
var calcIntervalByLevel = function(level) {
return consts.DEFAULT_INTERVAL - (level - 1) * 60;
};
// Default max scene size
var defaults = {
maxHeight: 700,
maxWidth: 600
};
/**
Tetris main object definition
*/
function Tetris(id) {
this.id = id;
this.init();
}
Tetris.prototype = {
init: function(options) {
var cfg = this.config = utils.extend(options, defaults);
this.interval = consts.DEFAULT_INTERVAL;
views.init(this.id, cfg.maxWidth, cfg.maxHeight);
canvas.init(views.scene, views.preview);
inputs.init();
this.matrix = initMatrix(consts.ROW_COUNT, consts.COLUMN_COUNT);
this.reset();
this._initEvents();
this._fireShape();
},
//Reset game
reset: function() {
this.running = false;
this.isGameOver = false;
this.level = 1;
this.score = 0;
this.startTime = new Date().getTime();
this.currentTime = this.startTime;
this.prevTime = this.startTime;
this.levelTime = this.startTime;
clearMatrix(this.matrix);
views.setLevel(this.level);
views.setScore(this.score);
views.setGameOver(this.isGameOver);
this._draw();
},
//Start game
start: function() {
this.running = true;
window.requestAnimationFrame(utils.proxy(this._refresh, this));
},
//Pause game
pause: function() {
this.running = false;
this.currentTime = new Date().getTime();
this.prevTime = this.currentTime;
},
//Game over
gamveOver: function() {
},
// All key event handlers
_keydownHandler: function(e) {
var matrix = this.matrix;
if (!e) {
var e = window.event;
}
if (this.isGameOver || !this.shape) {
return;
}
switch (e.keyCode) {
case 37: {
//this.shape.goLeft(matrix);
this._draw();
}
break;
case 39: {
//this.shape.goRight(matrix);
this._draw();
}
break;
case 90: {
this.shape.rotate(matrix);
this._draw();
}
break;
case 88: {
this.shape.rotateClockwise(matrix);
this._draw();
}
break;
case 40: {
this.shape.goDown(matrix);
this._draw();
}
break;
case 32: {
this.shape.goBottom(matrix);
this._update();
}
break;
}
},
// Restart game
_restartHandler: function() {
this.reset();
this.start();
},
// Bind game events
_initEvents: function() {
//window.addEventListener('keydown', utils.proxy(this._keydownHandler, this), false);
views.btnRestart.addEventListener('click', utils.proxy(this._restartHandler, this), false);
},
// Fire a new random shape
_fireShape: function() {
this.shape = this.preparedShape || shapes.randomShape();
this.preparedShape = shapes.randomShape();
this._draw();
canvas.drawPreviewShape(this.preparedShape);
},
// Draw game data
_draw: function() {
canvas.drawScene();
canvas.drawShape(this.shape);
canvas.drawMatrix(this.matrix);
},
// Refresh game canvas
_refresh: function() {
if (!this.running) {
return;
}
this.currentTime = new Date().getTime();
var deltaTime = this.currentTime - this.prevTime;
if(deltaTime > 10)
{
inputs.incFrame();
inputs.processGamepadInput();
}
if (deltaTime > 10) { // 60hz DAS
// Keyboard inputs
inputs.processInput();
while((inputs.inputqueue != undefined && inputs.inputqueue.length >= 1)){
var curkey = inputs.inputqueue.pop();
if(curkey == 37) {
this.shape.goLeft(this.matrix);
this._draw();
}
if(curkey == 39){
this.shape.goRight(this.matrix);
this._draw();
}
}
}
if(deltaTime > 1)
inputs.incDeciframes();
inputs.updateGamepad();
if(deltaTime > 5)
{
inputs.processButtons();
}
// drain gamepad queue
if(deltaTime > 10)
{
while((inputs.gamepadQueue != undefined && inputs.gamepadQueue.length >= 1)){
var curkey = inputs.gamepadQueue.pop();
if(curkey == "DPad-Left") {
this.shape.goLeft(this.matrix);
this._draw();
}
if(curkey == "DPad-Right") {
this.shape.goRight(this.matrix);
this._draw();
}
if(curkey == "A") {
this.shape.rotate(this.matrix);
this._draw();
}
if(curkey == "B") {
this.shape.rotateClockwise(this.matrix);;
this._draw();
}
if(curkey == "DPad-Down") {
this.shape.goDown(this.matrix);
this._draw();
}
if(curkey == "RB") {
this.shape.goBottom(this.matrix);
this._update();
}
}
inputs.gamepadQueue = [];
}
if (deltaTime > this.interval) {
this._update();
this.prevTime = this.currentTime;
this._checkLevel();
}
if (!this.isGameOver) {
window.requestAnimationFrame(utils.proxy(this._refresh, this));
}
},
// Update game data
_update: function() {
if (this.shape.canDown(this.matrix)) {
this.shape.goDown(this.matrix);
} else {
this.shape.copyTo(this.matrix);
this._check();
this._fireShape();
}
this._draw();
this.isGameOver = checkGameOver(this.matrix);
views.setGameOver(this.isGameOver);
if (this.isGameOver) {
views.setFinalScore(this.score);
}
},
// Check and update game data
_check: function() {
var rows = checkFullRows(this.matrix);
if (rows.length) {
removeRows(this.matrix, rows);
var score = calcScore(rows);
var reward = calcRewards(rows);
this.score += score + reward;
views.setScore(this.score);
views.setReward(reward);
}
},
// Check and update game level
_checkLevel: function() {
var currentTime = new Date().getTime();
if (currentTime - this.levelTime > consts.LEVEL_INTERVAL) {
this.level += 1;
this.interval = calcIntervalByLevel(this.level);
views.setLevel(this.level);
this.levelTime = currentTime;
}
}
}
window.Tetris = Tetris;

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var consts = require('./consts.js');
var COLORS = consts.COLORS;
var COLUMN_COUNT = consts.COLUMN_COUNT;
/**
Defined all shapes used in Tetris game.
You can add more shapes if you wish.
*/
function ShapeL() {
var state1 = [
[1, 0],
[1, 0],
[1, 1]
];
var state2 = [
[0, 0, 1],
[1, 1, 1]
];
var state3 = [
[1, 1],
[0, 1],
[0, 1]
];
var state4 = [
[1, 1, 1],
[1, 0, 0]
];
this.states = [state1, state2, state3, state4];
this.x = 4;
this.y = -3;
this.flag = 'L';
}
function ShapeLR() {
var state1 = [
[0, 1],
[0, 1],
[1, 1]
];
var state2 = [
[1, 1, 1],
[0, 0, 1]
];
var state3 = [
[1, 1],
[1, 0],
[1, 0]
];
var state4 = [
[1, 0, 0],
[1, 1, 1]
];
this.states = [state1, state2, state3, state4];
this.x = 4;
this.y = -3;
this.flag = 'LR';
}
function ShapeO() {
var state1 = [
[1, 1],
[1, 1]
];
this.states = [state1];
this.x = 4;
this.y = -2;
this.flag = 'O';
}
function ShapeI() {
var state1 = [
[1],
[1],
[1],
[1]
];
var state2 = [
[1, 1, 1, 1]
];
this.states = [state1, state2];
this.x = 5;
this.y = -4;
this.flag = 'I';
}
function ShapeT() {
var state1 = [
[1, 1, 1],
[0, 1, 0]
];
var state2 = [
[1, 0],
[1, 1],
[1, 0]
];
var state3 = [
[0, 1, 0],
[1, 1, 1]
];
var state4 = [
[0, 1],
[1, 1],
[0, 1]
];
this.states = [state1, state2, state3, state4];
this.x = 4;
this.y = -2;
this.flag = 'T';
}
function ShapeZ() {
var state1 = [
[1, 1, 0],
[0, 1, 1]
];
var state2 = [
[0, 1],
[1, 1],
[1, 0]
];
this.states = [state1, state2];
this.x = 4;
this.y = -2;
this.flag = 'Z';
}
function ShapeZR() {
var state1 = [
[0, 1, 1],
[1, 1, 0]
];
var state2 = [
[1, 0],
[1, 1],
[0, 1]
];
this.states = [state1, state2];
this.x = 4;
this.y = -2;
this.flag = 'ZR';
}
/**
Is shape can move
@param shape: tetris shape
@param matrix: game matrix
@param action: 'left','right','down','rotate'
*/
var isShapeCanMove = function(shape, matrix, action) {
var rows = matrix.length;
var cols = matrix[0].length;
var rotationDirection = 0;
var isBoxCanMove = function(box) {
var x = shape.x + box.x;
var y = shape.y + box.y;
if (y < 0) {
return true;
}
if (action === 'left') {
x -= 1;
return x >= 0 && x < cols && matrix[y][x] == 0;
} else if (action === 'right') {
x += 1;
return x >= 0 && x < cols && matrix[y][x] == 0;
} else if (action === 'down') {
y += 1;
return y < rows && matrix[y][x] == 0;
} else if (action === 'rotate') {
rotationDirection = 1;
return y < rows && !matrix[y][x];
} else if (action === 'rotateclockwise') {
rotationDirection = -1;
return y < rows && !matrix[y][x];
}
};
//var boxes = action === 'rotate'?shape.getBoxes(shape.nextState()) : shape.getBoxes(shape.state);
var boxes;
if(rotationDirection != 0)
boxes = shape.getBoxes(shape.nextState(rotationDirection));
else
boxes = shape.getBoxes(shape.state);
for (var i in boxes) {
if (!isBoxCanMove(boxes[i])) {
return false;
}
}
return true;
};
/**
All shapes shares the same method, use prototype for memory optimized
*/
ShapeL.prototype =
ShapeLR.prototype =
ShapeO.prototype =
ShapeI.prototype =
ShapeT.prototype =
ShapeZ.prototype =
ShapeZR.prototype = {
init: function(result) {
this.color = COLORS[result];
this.state = 0;
this.allBoxes = {};
this.y = 0;
},
// Get boxes matrix which composite the shape
getBoxes: function(state) {
var boxes = this.allBoxes[state] || [];
if (boxes.length) {
return boxes;
}
var matrix = this.matrix(state);
for (var i = 0; i < matrix.length; i++) {
var row = matrix[i];
for (var j = 0; j < row.length; j++) {
if (row[j] === 1) {
boxes.push({
x: j,
y: i
});
}
}
}
this.allBoxes[state] = boxes;
return boxes;
},
//Get matrix for specified state
matrix: function(state) {
var st = state !== undefined ? state : this.state;
return this.states[st];
},
//Rotate shape
rotate: function(matrix) {
if (isShapeCanMove(this,matrix,'rotate')){
this.state = this.nextState(1);
//fix position if shape is out of right border
var right = this.getRight();
if ( right >= COLUMN_COUNT){
this.x -= right - COLUMN_COUNT + 1;
}
/*var left = this.getLeft();
if(left <= 0)
this.x += 1;*/
}
},
//Rotate shape clockwise
rotateClockwise: function(matrix) {
if (isShapeCanMove(this, matrix, 'rotateclockwise')) {
this.state = this.nextState(-1);
//fix position if shape is out of right border
var right = this.getRight();
if (right >= COLUMN_COUNT) {
this.x -= right - COLUMN_COUNT + 1;
}
}
},
//Caculate the max column of the shape
getColumnCount: function() {
var mtx = this.matrix();
var colCount = 0;
for (var i = 0; i < mtx.length; i++) {
colCount = Math.max(colCount, mtx[i].length);
}
return colCount;
},
//Caculate the max row of the shape
getRowCount: function() {
return this.matrix().length;
},
//Get the right pos of the shape
getRight: function() {
var boxes = this.getBoxes(this.state);
var right = 0;
for (var i in boxes) {
right = Math.max(boxes[i].x, right);
}
return this.x + right;
},
//Return the next state of the shape
nextState: function(direction) {
var rotate = this.state;
rotate += direction;
if(rotate < 0)
return this.states.length - 1;
return rotate % this.states.length;
},
//Check if the shape can move down
canDown: function(matrix) {
return isShapeCanMove(this, matrix, 'down');
},
//Move the shape down
goDown: function(matrix) {
if (isShapeCanMove(this, matrix, 'down')) {
this.y += 1;
}
},
//Move the shape to the Bottommost
goBottom: function(matrix) {
while (isShapeCanMove(this, matrix, 'down')) {
this.y += 1;
}
},
//Move the shape to the left
goLeft: function(matrix) {
if (isShapeCanMove(this, matrix, 'left')) {
this.x -= 1;
}
},
//Move the shape to the right
goRight: function(matrix) {
if (isShapeCanMove(this, matrix, 'right')) {
this.x += 1;
}
},
//Copy the shape data to the game data
copyTo: function(matrix) {
var smatrix = this.matrix();
for (var i = 0; i < smatrix.length; i++) {
var row = smatrix[i];
for (var j = 0; j < row.length; j++) {
if (row[j] === 1) {
var x = this.x + j;
var y = this.y + i;
if (x >= 0 && x < matrix[0].length && y >= 0 && y < matrix.length) {
matrix[y][x] = this.color;
}
}
}
}
}
}
/**
Create a random shape for game
*/
// Handles randomly generating and returning a tetromino
var RandomGenerator = {
bag: [],
getTetrimino() {
if (this.bag.length === 0) {
this.bag = this.generateNewBag();
}
return this.bag.shift();
},
generateNewBag() {
//var tetrominoes = ['I', 'J', 'L', 'O', 'S', 'T', 'Z'];
var tetrominoes = ['0', '1', '2', '3', '4', '5', '6'];
//var tetrominoes = ['L','L','L','L','L','L','L',];
var bag = [];
for (var i = 7; i > 0; i--) {
var tetrominoIndex = Math.floor(Math.random() * i);
bag.push(tetrominoes[tetrominoIndex]);
tetrominoes.splice(tetrominoIndex, 1);
}
return bag;
}
};
function randomShape() {
var result = parseInt(RandomGenerator.getTetrimino(),10);//Math.floor(Math.random() * 7);
var shape;
switch (result) {
case 0:
shape = new ShapeL();
break;
case 1:
shape = new ShapeO();
break;
case 2:
shape = new ShapeZ();
break;
case 3:
shape = new ShapeT();
break;
case 4:
shape = new ShapeLR();
break;
case 5:
shape = new ShapeZR();
break;
case 6:
shape = new ShapeI();
break;
}
shape.init(result);
return shape;
}
module.exports.randomShape = randomShape;

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var exports = module.exports = {};
var $ = function(id){
return document.getElementById(id);
};
//if object is plain object
var _isPlainObject = function(obj) {
if (typeof obj !== 'object') {
return false;
}
if (obj.constructor &&
!hasOwnProperty.call(obj.constructor.prototype, 'isPrototypeOf')) {
return false;
}
// If the function hasn't returned already, we're confident that
// |obj| is a plain object, created by {} or constructed with new Object
return true;
};
// this method source code is from jquery 2.0.x
// merge object's value and return
var extend = function() {
var src, copyIsArray, copy, name, options, clone,
target = arguments[0] || {},
i = 1,
length = arguments.length,
deep = true;
// Handle a deep copy situation
if (typeof target === 'boolean') {
deep = target;
// skip the boolean and the target
target = arguments[i] || {};
i++;
}
// Handle case when target is a string or something (possible in deep copy)
if (typeof target !== 'object' && typeof obj !== 'function') {
target = {};
}
if (i === length) {
target = this;
i--;
}
for (; i < length; i++) {
// Only deal with non-null/undefined values
if ((options = arguments[i]) != null) {
// Extend the base object
for (name in options) {
src = target[name];
copy = options[name];
// Prevent never-ending loop
if (target === copy) {
continue;
}
// Recurse if we're merging plain objects or arrays
if (deep && copy && (_isPlainObject(copy) || (copyIsArray = Array.isArray(copy)))) {
if (copyIsArray) {
copyIsArray = false;
clone = src && Array.isArray(src) ? src : [];
} else {
clone = src && _isPlainObject(src) ? src : {};
}
// Never move original objects, clone them
//console.log('abc');
target[name] = extend(deep, clone, copy);
// Don't bring in undefined values
} else if (copy !== undefined) {
target[name] = copy;
}
}
}
}
// Return the modified object
return target;
};
var proxy = function(fn,context){
var args = [].slice.call( arguments, 2 );
proxy = function() {
return fn.apply( context || this, args.concat( [].slice.call( arguments ) ) );
};
return proxy;
};
var aniFrame = window.requestAnimationFrame || window.mozRequestAnimationFrame ||
window.webkitRequestAnimationFrame || window.msRequestAnimationFrame;
window.requestAnimationFrame = aniFrame;
exports.$ = $;
exports.extend = extend;
exports.proxy = proxy;

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/**
All dom definitions and actions
*/
var utils = require('./utils.js');
var consts = require('./consts.js');
var $ = utils.$;
//doms
var scene = $('scene');
var side = $('side');
var info = $('info');
var preview = $('preview');
var level = $('level');
var score = $('score');
var rewardInfo = $('rewardInfo');
var reward = $('reward');
var gameOver = $('gameOver');
var btnRestart = $('restart');
var finalScore = $('finalScore');
//defaults
var SIDE_WIDTH = consts.SIDE_WIDTH;
/**
Caculate the game container size
*/
var getContainerSize = function(maxW,maxH){
var dw = document.documentElement.clientWidth;
var dh = document.documentElement.clientHeight;
var size = {};
if (dw>dh){
size.height = Math.min(maxH,dh);
size.width = Math.min(size.height /2 + SIDE_WIDTH,maxW);
}else{
size.width = Math.min(maxW,dw);
size.height = Math.min(maxH,dh);
}
return size;
};
/**
Layout game elements
*/
var layoutView = function(container,maxW,maxH){
var size = getContainerSize(maxW,maxH);
var st = container.style;
st.height = size.height + 'px';
st.width = size.width + 'px';
st.marginTop = (-(size.height/2)) + 'px';
st.marginLeft = (-(size.width/2)) + 'px';
//layout scene
scene.height = size.height;
scene.width = scene.height / 2;
var sideW = size.width - scene.width;
side.style.width = sideW+ 'px';
if (sideW< SIDE_WIDTH ){
info.style.width = side.style.width;
}
preview.width = 80;
preview.height = 80;
gameOver.style.width = scene.width +'px';
}
/**
Main tetris game view
*/
var tetrisView = {
init:function(id, maxW,maxH){
this.container = $(id);
this.scene = scene;
this.preview = preview;
this.btnRestart = btnRestart;
layoutView(this.container,maxW,maxH);
this.scene.focus();
rewardInfo.addEventListener('animationEnd',function(e){
rewardInfo.className = 'invisible';
});
},
// Update the score
setScore:function(scoreNumber){
score.innerHTML = scoreNumber;
},
// Update the finnal score
setFinalScore:function(scoreNumber){
finalScore.innerHTML = scoreNumber;
},
// Update the level
setLevel:function(levelNumber){
level.innerHTML = levelNumber;
},
// Update the extra reward score
setReward:function(rewardScore){
if (rewardScore>0){
reward.innerHTML = rewardScore;
rewardInfo.className = 'fadeOutUp animated';
}else{
rewardInfo.className = 'invisible';
}
},
// Set game over view
setGameOver:function(isGameOver){
gameOver.style.display = isGameOver?'block':'none';
}
};
module.exports = tetrisView;

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"python3 -m http.server"