// AmidaDaMida.as // Lead robots to a green lamp. // <Operation> // Mouse: Move a bar. package { import flash.display.Sprite; [SWF(width="465", height="465", backgroundColor="0", frameRate="30")] public class AmidaDaMida extends Sprite { public function AmidaDaMida() { main = this; initialize(); } } } import flash.display.*; import flash.geom.*; import flash.text.*; import flash.events.*; const SCREEN_WIDTH:int = 465, SCREEN_HEIGHT:int = 465; var main:Sprite, screen:BitmapData = new BitmapData(SCREEN_WIDTH, SCREEN_HEIGHT, false, 0); var scoreField:TextField = new TextField, messageField:TextField = new TextField; // Initialize UIs. function initialize():void { main.addChild(new Bitmap(screen)); main.stage.addEventListener(MouseEvent.CLICK, function(e:Event):void { startGame(); } ); scoreField = createTextField(SCREEN_WIDTH - 120, 0, 120, 24, 0xff6666); messageField = createTextField(SCREEN_WIDTH - 360, SCREEN_HEIGHT * 0.9, 360, 20, 0xff6666); main.addChild(scoreField); main.addChild(messageField); initializeLamps(); startGame(); startGameOver(); main.addEventListener(Event.ENTER_FRAME, update); } // Update the game frame. const LINE_INTERVAL:Number = 60, LINE_START_X:Number = 50, LINE_START_Y:Number = 50; const LINE_COUNT:int = 7; var mouseBar:Bar = new Bar, existsMouseBar:Boolean; function update(event:Event):void { screen.fillRect(screen.rect, 0); var i:int; for (i = 0; i < LINE_COUNT; i++) fillRect(LINE_START_X + LINE_INTERVAL * i - 2, LINE_START_Y, 5, SCREEN_HEIGHT - LINE_START_Y * 2); for each (var l:Lamp in lamps) l.draw(); for each (var b:Bar in bars) b.draw(); for (i = 0; i < robots.length; i++) if (!robots[i].update()) { robots.splice(i, 1); i--; } if (robots.length <= 0) startGameOver(); existsMouseBar = false; if (!isInGame) return; var mx:int = main.stage.mouseX, my:int = main.stage.mouseY; var ml:int = (mx - LINE_START_X) / LINE_INTERVAL; if (mx >= LINE_START_X && ml >= 0 && ml < LINE_COUNT - 1 && my > LINE_START_Y + NEAR_BAR_WIDTH && my < SCREEN_HEIGHT - LINE_START_Y - NEAR_BAR_WIDTH) { if (!haveNearBar(ml, my)) { existsMouseBar = true; mouseBar.lineX = ml; mouseBar.y = my; mouseBar.draw(); } } } // Robots. var robots:Vector.<Robot>; class Robot { public var pos:Vector3D = new Vector3D, lineX:int, velX:int, velY:int, speed:Number; public function update():Boolean { if (velX == 0) { var py:Number = pos.y; pos.y += velY * speed; var cb:Bar = checkBars(lineX, py, velY, abs(pos.y - py)); if (cb != null) { if (cb.lineX == lineX) velX = 1; else velX = -1; lineX += velX; pos.y = cb.y; } } else { pos.x += velX * speed; var tx:Number = LINE_START_X + LINE_INTERVAL * lineX; if ((pos.x - tx) * velX >= 0) { velX = 0; pos.x = tx; } } fillRect(pos.x - 7, pos.y - 7, 15, 15, 0x44ee66); if (pos.y <= LINE_START_Y || pos.y >= SCREEN_HEIGHT - LINE_START_Y) { var li:int = lineX + int((velY + 1) / 2) * LINE_COUNT; velY *= -1; pos.y += velY * speed; if (!isInGame) return true; if (!lamps[li].isGreen) return false; lamps[li].isGreen = false; var areAllLampsRed:Boolean = true; for each (var l:Lamp in lamps) if (l.isGreen) { areAllLampsRed = false; break; } if (areAllLampsRed) { setLamps(); rank++; for each (var r:Robot in robots) r.speed *= 1.5; } scoreField.text = String(score += robots.length); var ar:Robot = addRobot(lineX, pos.y, velY); if (ar.speed == speed) ar.speed += 0.5; } return true; } } function addRobot(lx:int, y:int, vy:int = 0):Robot { var r:Robot = new Robot; r.lineX = lx; r.pos.x = LINE_START_X + LINE_INTERVAL * r.lineX; r.pos.y = y; r.velX = 0; if (vy == 0) r.velY = int(rand() * 2) * 2 - 1; else r.velY = vy; r.speed = (((robots.length + 3) % 4) + 2) * (1 + rank * 0.5); robots.push(r); return r; } // Bars. const BAR_DISAPPEAR_COUNT:int = 12; var bars:Vector.<Bar>; class Bar { public var lineX:int, y:Number, count:int = BAR_DISAPPEAR_COUNT; public function draw():void { var c:int = count * 155 / BAR_DISAPPEAR_COUNT + 100; if (count <= 1) c -= 50; c = c * 0x10000 + 0x100 * c + c; fillRect(LINE_START_X + LINE_INTERVAL * lineX, y - 2, LINE_INTERVAL, 5, c); } public function getDistance(lx:int, by:Number, velY:int):int { if (lineX != lx || (by - y) * velY >= 0) return 99999; return abs(by - y); } } function addBar(c:int):void { var lx:int, y:Number; do { lx = rand() * (LINE_COUNT - 1); y = rand() * (SCREEN_HEIGHT - LINE_START_Y * 4) + LINE_START_Y * 2; } while (haveNearBar(lx, y)); var b:Bar = new Bar; b.lineX = lx; b.y = y; b.count = c; bars.push(b); } function checkBars(lineX:int, y:Number, velY:int, range:Number):Bar { var lBar:Bar = getNearestBar(lineX - 1, y, velY); var rBar:Bar = getNearestBar(lineX , y, velY); var lr:Number = 99999, rr:Number= 99999; if (lBar != null) lr = abs(lBar.y - y); if (rBar != null) rr = abs(rBar.y - y); if (lr <= range || rr <= range) { if (lr < rr) { if (lBar == mouseBar) addMouseBar(); return lBar; } else { if (rBar == mouseBar) addMouseBar(); return rBar; } } return null; } function addMouseBar():void { for (var i:int = 0; i < bars.length; i++) { bars[i].count--; if (bars[i].count <= 0) { bars.splice(i, 1); i--; } } bars.push(mouseBar); mouseBar = new Bar; } const NEAR_BAR_WIDTH:Number = 7; function haveNearBar(lineX:int, y:Number):Boolean { var b1:Bar = getNearestBar(lineX - 1, y - NEAR_BAR_WIDTH, 1); var b2:Bar = getNearestBar(lineX , y - NEAR_BAR_WIDTH, 1); var b3:Bar = getNearestBar(lineX + 1, y - NEAR_BAR_WIDTH, 1); var r1:Number = 99999, r2:Number = 99999, r3:Number = 99999; if (b1 != null) r1 = abs(b1.y - y); if (b2 != null) r2 = abs(b2.y - y); if (b3 != null) r3 = abs(b3.y - y); return (r1 < NEAR_BAR_WIDTH * 2 || r2 < NEAR_BAR_WIDTH * 2 || r3 < NEAR_BAR_WIDTH * 2); } function getNearestBar(lineX:int, y:Number, velY:int):Bar { var bar:Bar; var md:Number = 99999, d:Number; for each (var b:Bar in bars) { d = b.getDistance(lineX, y, velY); if (d < md) { md = d; bar = b; } } if (existsMouseBar) { d = mouseBar.getDistance(lineX, y, velY); if (d < md) bar = mouseBar; } return bar; } // Lamps. var lamps:Vector.<Lamp> = new Vector.<Lamp>; class Lamp { public var lineX:int, isOnTop:Boolean, isGreen:Boolean; public function draw():void { var x:Number = LINE_START_X + LINE_INTERVAL * lineX, y:Number, c:int; if (isOnTop) y = LINE_START_Y; else y = SCREEN_HEIGHT - LINE_START_Y; if (isGreen) c = 0x22ff22; else c = 0xff2222; fillRect(x - 5, y - 5, 11, 11, c); } } function initializeLamps():void { for (var i:int = 0; i < LINE_COUNT * 2; i++) { var l:Lamp = new Lamp; l.lineX = i % LINE_COUNT; l.isOnTop = (i < LINE_COUNT); lamps.push(l); } } function setLamps():void { for each (var l:Lamp in lamps) l.isGreen = true; } // Handle the game lifecycle. var isInGame:Boolean, score:int, rank:int, robotAddCount:int; function startGame():void { if (isInGame) return; isInGame = true; messageField.text = ""; scoreField.text = String(score = 0); rank = 0; robotAddCount = 0; robots = null; robots = new Vector.<Robot>; bars = null; bars = new Vector.<Bar>; for (var i:int = 0; i < BAR_DISAPPEAR_COUNT; i++) addBar(i + 1); addRobot(rand() * LINE_COUNT, SCREEN_HEIGHT / 2); setLamps(); } function startGameOver():void { isInGame = false; messageField.text = "AmidaDaMida\nClick to start"; setLamps(); } // Utility functions and variables. var rand:Function = Math.random, abs:Function = Math.abs, rect:Rectangle = new Rectangle; function fillRect(x:Number, y:Number, w:Number, h:Number, c:int = 0xffffff):void { rect.x = x; rect.y = y; rect.width = w; rect.height = h; screen.fillRect(rect, c); } function createTextField(x:int, y:int, width:int, size:int, color:int):TextField { var fm:TextFormat = new TextFormat, fi:TextField = new TextField; fm.font = "_typewriter"; fm.bold = true; fm.size = size; fm.color = color; fm.align = TextFormatAlign.RIGHT; fi.defaultTextFormat = fm; fi.x = x; fi.y = y; fi.width = width; fi.selectable = false; return fi; }