tetrixpiece.js Example Filescript/qstetrix/tetrixpiece.jsTetrixShape = { NoShape:0, ZShape:1, SShape:2, LineShape:3, TShape:4, SquareShape:5, LShape:6, MirroredLShape:7 } TetrixCoordsTable = [ [ [ 0, 0 ], [ 0, 0 ], [ 0, 0 ], [ 0, 0 ] ], [ [ 0, -1 ], [ 0, 0 ], [ -1, 0 ], [ -1, 1 ] ], [ [ 0, -1 ], [ 0, 0 ], [ 1, 0 ], [ 1, 1 ] ], [ [ 0, -1 ], [ 0, 0 ], [ 0, 1 ], [ 0, 2 ] ], [ [ -1, 0 ], [ 0, 0 ], [ 1, 0 ], [ 0, 1 ] ], [ [ 0, 0 ], [ 1, 0 ], [ 0, 1 ], [ 1, 1 ] ], [ [ -1, -1 ], [ 0, -1 ], [ 0, 0 ], [ 0, 1 ] ], [ [ 1, -1 ], [ 0, -1 ], [ 0, 0 ], [ 0, 1 ] ] ] function TetrixPiece() { this.shape = TetrixShape.NoShape; } TetrixPiece.prototype.__defineGetter__( "shape", function() { return this._shape; } ); TetrixPiece.prototype.__defineSetter__( "shape", function(shape) { this._shape = shape; this._coords = new Array(4); for (var i = 0; i < 4; ++i) this._coords[i] = TetrixCoordsTable[shape][i].slice(); } ); TetrixPiece.prototype.setRandomShape = function() { this.shape = Math.floor(((Math.random() * 100000) % 7) + 1); } TetrixPiece.prototype.getX = function(index) { return this._coords[index][0]; } TetrixPiece.prototype.getY = function(index) { return this._coords[index][1]; } TetrixPiece.prototype._setX = function(index, x) { this._coords[index][0] = x; } TetrixPiece.prototype._setY = function(index, y) { this._coords[index][1] = y; } TetrixPiece.prototype.__defineGetter__( "minX", function() { var min = this._coords[0][0]; for (var i = 1; i < 4; ++i) min = Math.min(min, this._coords[i][0]); return min; } ); TetrixPiece.prototype.__defineGetter__( "maxX", function() { var max = this._coords[0][0]; for (var i = 1; i < 4; ++i) max = Math.max(max, this._coords[i][0]); return max; } ); TetrixPiece.prototype.__defineGetter__( "minY", function() { var min = this._coords[0][1]; for (var i = 1; i < 4; ++i) min = Math.min(min, this._coords[i][1]); return min; } ); TetrixPiece.prototype.__defineGetter__( "maxY", function() { var max = this._coords[0][1]; for (var i = 1; i < 4; ++i) max = Math.max(max, this._coords[i][1]); return max; } ); TetrixPiece.prototype.rotatedLeft = function() { var result = new TetrixPiece(); if (this._shape == TetrixShape.SquareShape) { result.shape = this._shape; return result; } result._shape = this._shape; for (var i = 0; i < 4; ++i) { result._setX(i, this.getY(i)); result._setY(i, -this.getX(i)); } return result; } TetrixPiece.prototype.rotatedRight = function() { var result = new TetrixPiece(); if (this._shape == TetrixShape.SquareShape) { result.shape = this._shape; return result; } result._shape = this._shape; for (var i = 0; i < 4; ++i) { result._setX(i, -this.getY(i)); result._setY(i, this.getX(i)); } return result; } © 2008-2011 Nokia Corporation and/or its subsidiaries. Nokia, Qt and their respective logos are trademarks of Nokia Corporation in Finland and/or other countries worldwide. All other trademarks are property of their respective owners. Privacy Policy Licensees holding valid Qt Commercial licenses may use this document in accordance with the Qt Commercial License Agreement provided with the Software or, alternatively, in accordance with the terms contained in a written agreement between you and Nokia. Alternatively, this document may be used under the terms of the GNU Free Documentation License version 1.3 as published by the Free Software Foundation. |