Add Game2048 example

examples/2048/Game2048.js

@@ -0,0 +1,324 @@
+/**
+ * The examples provided by Facebook are for non-commercial testing and
+ * evaluation purposes only.
+ *
+ * Facebook reserves all rights not expressly granted.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NON INFRINGEMENT. IN NO EVENT SHALL
+ * FACEBOOK BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
+ * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * @providesModule Game2048
+ * @flow
+ */
+'use strict';
+
+var React = require('react-native');
+var {
+  Animated,
+  AppRegistry,
+  StyleSheet,
+  Text,
+  TouchableBounce,
+  View,
+} = React;
+
+var GameBoard = require('./GameBoard');
+
+var BOARD_PADDING = 3;
+var CELL_MARGIN = 4;
+var CELL_SIZE = 60;
+
+class Cell extends React.Component {
+  render() {
+    return <View style={styles.cell} />;
+  }
+}
+
+class Board extends React.Component {
+  render() {
+    return (
+      <View style={styles.board}>
+        <View style={styles.row}><Cell/><Cell/><Cell/><Cell/></View>
+        <View style={styles.row}><Cell/><Cell/><Cell/><Cell/></View>
+        <View style={styles.row}><Cell/><Cell/><Cell/><Cell/></View>
+        <View style={styles.row}><Cell/><Cell/><Cell/><Cell/></View>
+        {this.props.children}
+      </View>
+    );
+  }
+}
+
+class Tile extends React.Component {
+  state: any;
+
+  static _getPosition(index): number {
+    return BOARD_PADDING + (index * (CELL_SIZE + CELL_MARGIN * 2) + CELL_MARGIN);
+  }
+
+  constructor(props: {}) {
+    super(props);
+
+    var tile = this.props.tile;
+
+    this.state = {
+      opacity: new Animated.Value(0),
+      top: new Animated.Value(Tile._getPosition(tile.toRow())),
+      left: new Animated.Value(Tile._getPosition(tile.toColumn())),
+    };
+  }
+
+  calculateOffset(): {top: number; left: number; opacity: number} {
+    var tile = this.props.tile;
+
+    var offset = {
+      top: this.state.top,
+      left: this.state.left,
+      opacity: this.state.opacity,
+    };
+
+    if (tile.isNew()) {
+      Animated.timing(this.state.opacity, {
+        duration: 100,
+        toValue: 1,
+      }).start();
+    } else {
+      Animated.parallel([
+        Animated.timing(offset.top, {
+          duration: 100,
+          toValue: Tile._getPosition(tile.toRow()),
+        }),
+        Animated.timing(offset.left, {
+          duration: 100,
+          toValue: Tile._getPosition(tile.toColumn()),
+        }),
+      ]).start();
+    }
+    return offset;
+  }
+
+  render() {
+    var tile = this.props.tile;
+
+    var tileStyles = [
+      styles.tile,
+      styles['tile' + tile.value],
+      this.calculateOffset(),
+    ];
+
+    var textStyles = [
+      styles.value,
+      tile.value > 4 && styles.whiteText,
+      tile.value > 100 && styles.threeDigits,
+      tile.value > 1000 && styles.fourDigits,
+    ];
+
+    return (
+      <Animated.View style={tileStyles}>
+        <Text style={textStyles}>{tile.value}</Text>
+      </Animated.View>
+    );
+  }
+}
+
+class GameEndOverlay extends React.Component {
+  render() {
+    var board = this.props.board;
+
+    if (!board.hasWon() && !board.hasLost()) {
+      return <View/>;
+    }
+
+    var message = board.hasWon() ?
+      'Good Job!' : 'Game Over';
+
+    return (
+      <View style={styles.overlay}>
+        <Text style={styles.overlayMessage}>{message}</Text>
+        <TouchableBounce onPress={this.props.onRestart} style={styles.tryAgain}>
+          <Text style={styles.tryAgainText}>Try Again?</Text>
+        </TouchableBounce>
+      </View>
+    );
+  }
+}
+
+class Game2048 extends React.Component {
+  startX: number;
+  startY: number;
+  state: any;
+
+  constructor(props: {}) {
+    super(props);
+    this.state = {
+      board: new GameBoard(),
+    };
+    this.startX = 0;
+    this.startY = 0;
+  }
+
+  restartGame() {
+    this.setState({board: new GameBoard()});
+  }
+
+  handleTouchStart(event: Object) {
+    if (this.state.board.hasWon()) {
+      return;
+    }
+
+    this.startX = event.nativeEvent.pageX;
+    this.startY = event.nativeEvent.pageY;
+  }
+
+  handleTouchEnd(event: Object) {
+    if (this.state.board.hasWon()) {
+      return;
+    }
+
+    var deltaX = event.nativeEvent.pageX - this.startX;
+    var deltaY = event.nativeEvent.pageY - this.startY;
+
+    var direction = -1;
+    if (Math.abs(deltaX) > 3 * Math.abs(deltaY) && Math.abs(deltaX) > 30) {
+      direction = deltaX > 0 ? 2 : 0;
+    } else if (Math.abs(deltaY) > 3 * Math.abs(deltaX) && Math.abs(deltaY) > 30) {
+      direction = deltaY > 0 ? 3 : 1;
+    }
+
+    if (direction !== -1) {
+      this.setState({board: this.state.board.move(direction)});
+    }
+  }
+
+  render() {
+    var tiles = this.state.board.tiles
+      .filter((tile) => tile.value)
+      .map((tile) => <Tile ref={tile.id} key={tile.id} tile={tile} />);
+
+    return (
+      <View
+        style={styles.container}
+        onTouchStart={(event) => this.handleTouchStart(event)}
+        onTouchEnd={(event) => this.handleTouchEnd(event)}>
+        <Board>
+          {tiles}
+        </Board>
+        <GameEndOverlay board={this.state.board} onRestart={() => this.restartGame()} />
+      </View>
+    );
+  }
+}
+
+var styles = StyleSheet.create({
+  container: {
+    flex: 1,
+    justifyContent: 'center',
+    alignItems: 'center',
+  },
+  board: {
+    padding: BOARD_PADDING,
+    backgroundColor: '#bbaaaa',
+    borderRadius: 5,
+  },
+  overlay: {
+    position: 'absolute',
+    top: 0,
+    bottom: 0,
+    left: 0,
+    right: 0,
+    backgroundColor: 'rgba(221, 221, 221, 0.5)',
+    flex: 1,
+    flexDirection: 'column',
+    justifyContent: 'center',
+    alignItems: 'center',
+  },
+  overlayMessage: {
+    fontSize: 40,
+    marginBottom: 20,
+  },
+  tryAgain: {
+    backgroundColor: '#887761',
+    padding: 20,
+    borderRadius: 5,
+  },
+  tryAgainText: {
+    color: '#ffffff',
+    fontSize: 20,
+    fontWeight: '500',
+  },
+  cell: {
+    width: CELL_SIZE,
+    height: CELL_SIZE,
+    borderRadius: 5,
+    backgroundColor: '#ddccbb',
+    margin: CELL_MARGIN,
+  },
+  row: {
+    flexDirection: 'row',
+  },
+  tile: {
+    position: 'absolute',
+    width: CELL_SIZE,
+    height: CELL_SIZE,
+    backgroundColor: '#ddccbb',
+    borderRadius: 5,
+    flex: 1,
+    justifyContent: 'center',
+    alignItems: 'center',
+  },
+  value: {
+    fontSize: 24,
+    color: '#776666',
+    fontFamily: 'Verdana',
+    fontWeight: '500',
+  },
+  tile2: {
+    backgroundColor: '#eeeeee',
+  },
+  tile4: {
+    backgroundColor: '#eeeecc',
+  },
+  tile8: {
+    backgroundColor: '#ffbb87',
+  },
+  tile16: {
+    backgroundColor: '#ff9966',
+  },
+  tile32: {
+    backgroundColor: '#ff7755',
+  },
+  tile64: {
+    backgroundColor: '#ff5533',
+  },
+  tile128: {
+    backgroundColor: '#eecc77',
+  },
+  tile256: {
+    backgroundColor: '#eecc66',
+  },
+  tile512: {
+    backgroundColor: '#eecc55',
+  },
+  tile1024: {
+    backgroundColor: '#eecc33',
+  },
+  tile2048: {
+    backgroundColor: '#eecc22',
+  },
+  whiteText: {
+    color: '#ffffff',
+  },
+  threeDigits: {
+    fontSize: 20,
+  },
+  fourDigits: {
+    fontSize: 18,
+  },
+});
+
+AppRegistry.registerComponent('Game2048', () => Game2048);
+
+module.exports = Game2048;

examples/2048/GameBoard.js

@@ -0,0 +1,201 @@
+/**
+ * The examples provided by Facebook are for non-commercial testing and
+ * evaluation purposes only.
+ *
+ * Facebook reserves all rights not expressly granted.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NON INFRINGEMENT. IN NO EVENT SHALL
+ * FACEBOOK BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
+ * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * @providesModule GameBoard
+ * @flow
+ */
+'use strict';
+
+// NB: Taken straight from: https://github.com/IvanVergiliev/2048-react/blob/master/src/board.js
+//     with no modification except to format it for CommonJS and fix lint/flow errors
+
+var rotateLeft = function (matrix) {
+  var rows = matrix.length;
+  var columns = matrix[0].length;
+  var res = [];
+  for (var row = 0; row < rows; ++row) {
+    res.push([]);
+    for (var column = 0; column < columns; ++column) {
+      res[row][column] = matrix[column][columns - row - 1];
+    }
+  }
+  return res;
+};
+
+var Tile = function (value?: number, row?: number, column?: number) {
+  this.value = value || 0;
+  this.row = row || -1;
+
+  this.column = column || -1;
+  this.oldRow = -1;
+  this.oldColumn = -1;
+  this.markForDeletion = false;
+  this.mergedInto = null;
+  this.id = Tile.id++;
+};
+
+Tile.id = 0;
+
+Tile.prototype.moveTo = function (row, column) {
+  this.oldRow = this.row;
+  this.oldColumn = this.column;
+  this.row = row;
+  this.column = column;
+};
+
+Tile.prototype.isNew = function () {
+  return this.oldRow === -1 && !this.mergedInto;
+};
+
+Tile.prototype.hasMoved = function () {
+  return (this.fromRow() !== -1 && (this.fromRow() !== this.toRow() || this.fromColumn() !== this.toColumn())) ||
+    this.mergedInto;
+};
+
+Tile.prototype.fromRow = function () {
+  return this.mergedInto ? this.row : this.oldRow;
+};
+
+Tile.prototype.fromColumn = function () {
+  return this.mergedInto ? this.column : this.oldColumn;
+};
+
+Tile.prototype.toRow = function () {
+  return this.mergedInto ? this.mergedInto.row : this.row;
+};
+
+Tile.prototype.toColumn = function () {
+  return this.mergedInto ? this.mergedInto.column : this.column;
+};
+
+var Board = function () {
+  this.tiles = [];
+  this.cells = [];
+  for (var i = 0; i < Board.size; ++i) {
+    this.cells[i] = [this.addTile(), this.addTile(), this.addTile(), this.addTile()];
+  }
+  this.addRandomTile();
+  this.setPositions();
+  this.won = false;
+};
+
+Board.prototype.addTile = function () {
+  var res = new Tile();
+  Tile.apply(res, arguments);
+  this.tiles.push(res);
+  return res;
+};
+
+Board.size = 4;
+
+Board.prototype.moveLeft = function () {
+  var hasChanged = false;
+  for (var row = 0; row < Board.size; ++row) {
+    var currentRow = this.cells[row].filter(function (tile) { return tile.value !== 0; });
+    var resultRow = [];
+    for (var target = 0; target < Board.size; ++target) {
+      var targetTile = currentRow.length ? currentRow.shift() : this.addTile();
+      if (currentRow.length > 0 && currentRow[0].value === targetTile.value) {
+        var tile1 = targetTile;
+        targetTile = this.addTile(targetTile.value);
+        tile1.mergedInto = targetTile;
+        var tile2 = currentRow.shift();
+        tile2.mergedInto = targetTile;
+        targetTile.value += tile2.value;
+      }
+      resultRow[target] = targetTile;
+      this.won = this.won || (targetTile.value === 2048);
+      hasChanged = hasChanged || (targetTile.value !== this.cells[row][target].value);
+    }
+    this.cells[row] = resultRow;
+  }
+  return hasChanged;
+};
+
+Board.prototype.setPositions = function () {
+  this.cells.forEach(function (row, rowIndex) {
+    row.forEach(function (tile, columnIndex) {
+      tile.oldRow = tile.row;
+      tile.oldColumn = tile.column;
+      tile.row = rowIndex;
+      tile.column = columnIndex;
+      tile.markForDeletion = false;
+    });
+  });
+};
+
+Board.fourProbability = 0.1;
+
+Board.prototype.addRandomTile = function () {
+  var emptyCells = [];
+  for (var r = 0; r < Board.size; ++r) {
+    for (var c = 0; c < Board.size; ++c) {
+      if (this.cells[r][c].value === 0) {
+        emptyCells.push({r: r, c: c});
+      }
+    }
+  }
+  var index = Math.floor(Math.random() * emptyCells.length);
+  var cell = emptyCells[index];
+  var newValue = Math.random() < Board.fourProbability ? 4 : 2;
+  this.cells[cell.r][cell.c] = this.addTile(newValue);
+};
+
+Board.prototype.move = function (direction) {
+  // 0 -> left, 1 -> up, 2 -> right, 3 -> down
+  this.clearOldTiles();
+  for (var i = 0; i < direction; ++i) {
+    this.cells = rotateLeft(this.cells);
+  }
+  var hasChanged = this.moveLeft();
+  for (var i = direction; i < 4; ++i) {
+    this.cells = rotateLeft(this.cells);
+  }
+  if (hasChanged) {
+    this.addRandomTile();
+  }
+  this.setPositions();
+  return this;
+};
+
+Board.prototype.clearOldTiles = function () {
+  this.tiles = this.tiles.filter(function (tile) { return tile.markForDeletion === false; });
+  this.tiles.forEach(function (tile) { tile.markForDeletion = true; });
+};
+
+Board.prototype.hasWon = function () {
+  return this.won;
+};
+
+Board.deltaX = [-1, 0, 1, 0];
+Board.deltaY = [0, -1, 0, 1];
+
+Board.prototype.hasLost = function () {
+  var canMove = false;
+  for (var row = 0; row < Board.size; ++row) {
+    for (var column = 0; column < Board.size; ++column) {
+      canMove = canMove || (this.cells[row][column].value === 0);
+      for (var dir = 0; dir < 4; ++dir) {
+        var newRow = row + Board.deltaX[dir];
+        var newColumn = column + Board.deltaY[dir];
+        if (newRow < 0 || newRow >= Board.size || newColumn < 0 || newColumn >= Board.size) {
+          continue;
+        }
+        canMove = canMove || (this.cells[row][column].value === this.cells[newRow][newColumn].value);
+      }
+    }
+  }
+  return !canMove;
+};
+
+module.exports = Board;

examples/index.html

@@ -3,4 +3,4 @@
 <title>React Native for Web</title>
 <meta name="viewport" content="width=device-width, initial-scale=1">
 <div id="react-root"></div>
-<script src="/examples.js"></script>
+<script src="/bundle.js"></script>

examples/index.js

@@ -1,23 +1,7 @@
-import { MediaProvider, matchMedia } from 'react-media-queries'
-import App from './components/App'
-import createGetter from 'react-media-queries/lib/createMediaQueryGetter'
-import createListener from 'react-media-queries/lib/createMediaQueryListener'
 import React, { AppRegistry } from 'react-native'
+import Game2048 from './2048/Game2048'
+import TicTacToeApp from './TicTacToe/TicTacToe'
 
-const mediaQueries = {
+AppRegistry.runApplication('Game2048', {
-  small: '(min-width: 300px)',
-  medium: '(min-width: 400px)',
-  large: '(min-width: 500px)'
-}
-const ResponsiveApp = matchMedia()(App)
-const WrappedApp = () => (
-  <MediaProvider getMedia={createGetter(mediaQueries)} listener={createListener(mediaQueries)}>
-    <ResponsiveApp />
-  </MediaProvider>
-)
-
-AppRegistry.registerComponent('Example', () => WrappedApp)
-
-AppRegistry.runApplication('Example', {
   rootTag: document.getElementById('react-root')
 })