テトリスをつくってみました その２ ソースコードtetris2.js

tetris2.js

function blockGenerate () {
    var i = Math.floor ((Math.random() *10 )% SHAPES.length );
    var CopyOfROTATE_CHANGE = deepCopy ( ROTATE_CHANGE) ;
    playerBlock.rotatePattern = CopyOfROTATE_CHANGE [ COLOR [ i ] ];
    var CopyOfTETRIS_BLOCK = deepCopy ( TETRIS_BLOCK [i ] );

    //adjustment: make one time rotation
    var itsShapes = playerBlock.rotatePattern.shift();
    playerBlock.rotatePattern.push (itsShapes );

    return CopyOfTETRIS_BLOCK;  // if it isn't copy but original, occurs bug.
                                                                //start block got wrong shape
}

function checkLine() {

    var line = [];
    for ( var i =0 ; i <RECT_W; i++) {
        for ( var a = 0; a < COLS; a++){
            if ( !Board [a ] [ playerBlock.y + i ] )  {
                break;
            }
            else{
                if ( a == COLS -1) line.unshift( playerBlock.y + i);
            }
        }
    }

    return line;
}


function clearLine ( line ) {
    var i;
    line.sort( function (a, b) {
        return a > b;
        }
    );

    while( i = line.shift() ) {
        for ( var j = 0; j < COLS; j++) {
            for ( var k = i; k >= 0; k--) {
                BoardWithColor [ j ] [ k ].Board    = BoardWithColor [ j ] [ k - 1 ].Board;
                BoardWithColor [ j ] [ k ].Color    = BoardWithColor [ j ] [ k - 1 ].Color;

            }
        }
    }
    render.drawBoard();
}



function start () {


    var     START_PLACE_X = 4, START_PLACE_Y = 0;

    playerBlock.x = START_PLACE_X;
    playerBlock.y = START_PLACE_Y;
    playerBlock.tetrisBlock = blockGenerate ();

    render.drawBlockType ( playerBlock.x, playerBlock.y, playerBlock.tetrisBlock );
    if ( check.overBlock(0, 0) ) gameOver();

}

var timerID;

function gameOver () {
    clearInterval (timerID );
    alert( "gameover") ;
    init();                                     //  clear board and so on.
    start();
}


function Check ()    {

    this.overBlock =
    function overBlock ( offsetX, offsetY, rotate ) {
        var tmpPB = {};
        tmpPB.tetrisBlock = {};

        tmpPB.x = playerBlock.x + offsetX;
        tmpPB.y = playerBlock.y + offsetY;
        if (rotate) {
            tmpPB.tetrisBlock.blockColor = playerBlock.tetrisBlock.blockColor;
            var tmpShapes = deepCopy (playerBlock.rotatePattern);
            tmpPB.tetrisBlock.blockShape = rotateBlock ( tmpShapes );
        }
        else {
            tmpPB.tetrisBlock.blockColor = playerBlock.tetrisBlock.blockColor;
            tmpPB.tetrisBlock.blockShape = playerBlock.tetrisBlock.blockShape;
        }

        for (var i = tmpPB.x, j = tmpPB.y , k = 0;  
        k < tmpPB.tetrisBlock.blockShape.length ; 
        i ++, k++ ) {
                                                            //0123456789
            var a = Math.floor (k/4);       //0000111122223333
            var b = i - a*RECT_W;           //012301230123
            var c = j + a;                          //

//          console.table(Board);
            if ( 
                (Board [ b] [ c ] == 1 && tmpPB.tetrisBlock.blockShape [ k ]  == 1)
            ||  (Board [ b] [ c ] == undefined && tmpPB.tetrisBlock.blockShape [ k ] == 1)
             ) {
                 return true;
             } 
        }
        return false;
}

    function attach () {
        for (var i = playerBlock.x, j = playerBlock.y , k = 0;  
        k < playerBlock.tetrisBlock.blockShape.length ; 
        i ++, k++ , j += k / CUBEUNIT_LENGTH) {
            if ( Board [ i ] [ j + 1 ] == 1
            && playerBlock.tetrisBlock.blockShape [ k ]  == 1 ) {
                return true;
            }
            return false
        }
    }
}


function moveBlock ( offsetX, offsetY, rotate ) {

    if (check.overBlock (offsetX, offsetY, rotate ) ){
        if ( offsetY == 1 ) {
            attachBlock ();
            var line = checkLine();
            if ( line.length  ) clearLine ( line ) ; 
            playerBlock = {};
            start ();
        }

    }
    else {
        var nullBlock ={};
        nullBlock.tetrisBlock = {};
        nullBlock.tetrisBlock.blockColor = INIT_BACKCOLOR;
        nullBlock.tetrisBlock.blockShape = [].concat(playerBlock.tetrisBlock.blockShape );
        render.nullBlock = 'true';
        render.drawBlockType ( playerBlock.x, playerBlock.y, nullBlock.tetrisBlock );
        render.nullBlock = null;

        playerBlock.x += offsetX;
        playerBlock.y += offsetY;
        if ( rotate ) {
            playerBlock.tetrisBlock.blockShape = rotateBlock ( playerBlock.rotatePattern );
        }

        render.drawBoard();     //消した元あったブロック場所に、接するブロックの枠線が消えてしまう　みっともない
                                                    //なくても動く
        render.drawBlockType ( playerBlock.x, playerBlock.y, playerBlock.tetrisBlock )

    }
}


function attachBlock () { 

    for ( var i =0, j = playerBlock.y, k = playerBlock.x;
     i < playerBlock.tetrisBlock.blockShape.length;
    i++ , k++) {
         var a = j + Math.floor( i / RECT_W);
         var b = k - Math.floor( i / RECT_W)* RECT_W;

         if ( 1 == playerBlock.tetrisBlock.blockShape [ i ] ) {
             Board [ b ] [ a ] = playerBlock.tetrisBlock.blockShape [ i ];
             BoardWithColor [ b ][ a ].Color = playerBlock.tetrisBlock.blockColor;
        }
    }
}


function gameInit () {
         render = new Render();
         check  = new Check();
         //~ control = new Control();
         //~ block = new Block();
         //~ time = new Time();
         //~ clearLine = new clearLine();
         //~ attach = new Attach();
         //~ gameover = new Gameover;
}

function rotateBlock ( shapes ) {
    var i = shapes.shift();
    shapes.push ( i );

    return i ;
}


function init () {

    // init Board & BoardWithColor
    for (var i = -3;  i < COLS + 3; i ++) {                 // at [ -1 ] [ -1], Board == 0, Color == 0  
        for ( var j = -1; j < ROWS + 3; j++) {
            if ( i < 0 || j >= ROWS || i >= COLS ) Board [ i ] [ j ] = null;
            else if (j < 0) Board [i ] [j ] = 0;
            else Board [ i ] [ j ] = 0; 
            BoardWithColor [ i ] [ j ] .Color =  'white';       // initiate Color

        }
    }

    render.init();


    timerID = setInterval ("moveBlock( 0, 1)", 1550 );

}

gameInit();
init ();
start ();






//function dataBreak () {
    return null;
}

//TETRIS_BLOCK.watch('0', dataBreak);
//TETRIS_BLOCK[0].watch('blockShape', dataBreak);
//TETRIS_BLOCK[0].blockShape.watch('2', dataBreak);