===================================================================
--- original.js
+++ change.js
@@ -1,6 +1,414 @@
-/****
+/**** 
+* Plugins
+****/ 
+var tween = LK.import("@upit/tween.v1");
+var storage = LK.import("@upit/storage.v1");
+
+/**** 
+* Classes
+****/ 
+// Block (static, can be placed in build mode)
+var Block = Container.expand(function () {
+	var self = Container.call(this);
+	var blockGfx = self.attachAsset('block', {
+		anchorX: 0.5,
+		anchorY: 0.5
+	});
+	self.type = 'block';
+	return self;
+});
+// Bot (friendly or infected)
+var Bot = Container.expand(function () {
+	var self = Container.call(this);
+	var botGfx = self.attachAsset('bot', {
+		anchorX: 0.5,
+		anchorY: 0.5
+	});
+	self.type = 'bot';
+	self.infected = false;
+	self.cured = false;
+	self.speed = 6;
+	self.direction = 1;
+	self.update = function () {
+		// Simple left-right movement for demo
+		self.x += self.speed * self.direction;
+		if (self.x < 200 || self.x > 2048 - 200) {
+			self.direction *= -1;
+		}
+	};
+	return self;
+});
+// Chip (collectible)
+var Chip = Container.expand(function () {
+	var self = Container.call(this);
+	var chipGfx = self.attachAsset('chip', {
+		anchorX: 0.5,
+		anchorY: 0.5
+	});
+	self.type = 'chip';
+	self.collected = false;
+	return self;
+});
+// InfectedBot (enemy)
+var InfectedBot = Container.expand(function () {
+	var self = Container.call(this);
+	var botGfx = self.attachAsset('infectedBot', {
+		anchorX: 0.5,
+		anchorY: 0.5
+	});
+	self.type = 'infectedBot';
+	self.speed = 8;
+	self.direction = 1;
+	self.update = function () {
+		// Simple left-right movement for demo
+		self.x += self.speed * self.direction;
+		if (self.x < 200 || self.x > 2048 - 200) {
+			self.direction *= -1;
+		}
+	};
+	return self;
+});
+// Sign (shows a message)
+var Sign = Container.expand(function () {
+	var self = Container.call(this);
+	var signGfx = self.attachAsset('sign', {
+		anchorX: 0.5,
+		anchorY: 0.5
+	});
+	self.type = 'sign';
+	self.message = "Welcome!";
+	return self;
+});
+// Trap (triggers on contact)
+var Trap = Container.expand(function () {
+	var self = Container.call(this);
+	var trapGfx = self.attachAsset('trap', {
+		anchorX: 0.5,
+		anchorY: 0.5
+	});
+	self.type = 'trap';
+	self.armed = true;
+	return self;
+});
+// Wire (for future wiring, just visual for now)
+var Wire = Container.expand(function () {
+	var self = Container.call(this);
+	var wireGfx = self.attachAsset('wire', {
+		anchorX: 0.5,
+		anchorY: 0.0
+	});
+	self.type = 'wire';
+	return self;
+});
+// Zin (player robot)
+var Zin = Container.expand(function () {
+	var self = Container.call(this);
+	var zinGfx = self.attachAsset('zin', {
+		anchorX: 0.5,
+		anchorY: 0.5
+	});
+	self.type = 'zin';
+	self.speed = 12;
+	self.targetX = self.x;
+	self.targetY = self.y;
+	self.moving = false;
+	self.update = function () {
+		// Move towards target if needed
+		if (self.moving) {
+			var dx = self.targetX - self.x;
+			var dy = self.targetY - self.y;
+			var dist = Math.sqrt(dx * dx + dy * dy);
+			if (dist > self.speed) {
+				self.x += self.speed * dx / dist;
+				self.y += self.speed * dy / dist;
+			} else {
+				self.x = self.targetX;
+				self.y = self.targetY;
+				self.moving = false;
+			}
+		}
+	};
+	return self;
+});
+
+/**** 
 * Initialize Game
-****/
+****/ 
 var game = new LK.Game({
-	backgroundColor: 0x000000
-});
\ No newline at end of file
+	backgroundColor: 0x222233
+});
+
+/**** 
+* Game Code
+****/ 
+// Sounds
+// Robots
+// World blocks
+// --- Game State ---
+var buildMode = true; // true: Build Mode, false: Play Mode
+var selectedTool = 'block'; // block, chip, trap, sign, wire, zin, bot, infectedBot
+var worldObjects = []; // All placed objects
+var chips = [];
+var traps = [];
+var bots = [];
+var infectedBots = [];
+var zin = null;
+var draggingObj = null;
+var dragOffsetX = 0;
+var dragOffsetY = 0;
+var lastIntersectingTrap = false;
+var collectedChips = 0;
+var totalChips = 0;
+// --- UI ---
+var modeTxt = new Text2('Build Mode', {
+	size: 90,
+	fill: "#fff"
+});
+modeTxt.anchor.set(0.5, 0);
+LK.gui.top.addChild(modeTxt);
+var toolTxt = new Text2('Tool: Block', {
+	size: 60,
+	fill: "#fff"
+});
+toolTxt.anchor.set(0.5, 0);
+LK.gui.top.addChild(toolTxt);
+var chipTxt = new Text2('Chips: 0/0', {
+	size: 80,
+	fill: 0x00E0FF
+});
+chipTxt.anchor.set(0.5, 0);
+LK.gui.top.addChild(chipTxt);
+modeTxt.y = 120;
+toolTxt.y = 220;
+chipTxt.y = 320;
+// --- Tool Buttons (simple text buttons) ---
+var toolNames = ['block', 'chip', 'trap', 'sign', 'wire', 'zin', 'bot', 'infectedBot'];
+var toolButtons = [];
+for (var i = 0; i < toolNames.length; i++) {
+	var btn = new Text2(toolNames[i].charAt(0).toUpperCase() + toolNames[i].slice(1), {
+		size: 60,
+		fill: "#fff"
+	});
+	btn.anchor.set(0.5, 0.5);
+	btn.x = 200 + i * 250;
+	btn.y = 420;
+	(function (tool) {
+		btn.down = function (x, y, obj) {
+			selectedTool = tool;
+			toolTxt.setText('Tool: ' + tool.charAt(0).toUpperCase() + tool.slice(1));
+		};
+	})(toolNames[i]);
+	LK.gui.top.addChild(btn);
+	toolButtons.push(btn);
+}
+// --- Mode Switch Button ---
+var modeBtn = new Text2('Switch to Play', {
+	size: 70,
+	fill: "#ff0"
+});
+modeBtn.anchor.set(0.5, 0.5);
+modeBtn.x = 2048 - 300;
+modeBtn.y = 420;
+modeBtn.down = function (x, y, obj) {
+	buildMode = !buildMode;
+	if (buildMode) {
+		modeTxt.setText('Build Mode');
+		modeBtn.setText('Switch to Play');
+	} else {
+		modeTxt.setText('Play Mode');
+		modeBtn.setText('Switch to Build');
+		startPlayMode();
+	}
+};
+LK.gui.top.addChild(modeBtn);
+// --- Helper: Place object at (x, y) ---
+function placeObject(tool, x, y) {
+	var obj = null;
+	if (tool === 'block') {
+		obj = new Block();
+		obj.x = x;
+		obj.y = y;
+		worldObjects.push(obj);
+		game.addChild(obj);
+	} else if (tool === 'chip') {
+		obj = new Chip();
+		obj.x = x;
+		obj.y = y;
+		chips.push(obj);
+		worldObjects.push(obj);
+		game.addChild(obj);
+		totalChips++;
+		chipTxt.setText('Chips: ' + collectedChips + '/' + totalChips);
+	} else if (tool === 'trap') {
+		obj = new Trap();
+		obj.x = x;
+		obj.y = y;
+		traps.push(obj);
+		worldObjects.push(obj);
+		game.addChild(obj);
+	} else if (tool === 'sign') {
+		obj = new Sign();
+		obj.x = x;
+		obj.y = y;
+		worldObjects.push(obj);
+		game.addChild(obj);
+	} else if (tool === 'wire') {
+		obj = new Wire();
+		obj.x = x;
+		obj.y = y;
+		worldObjects.push(obj);
+		game.addChild(obj);
+	} else if (tool === 'zin') {
+		if (!zin) {
+			zin = new Zin();
+			zin.x = x;
+			zin.y = y;
+			game.addChild(zin);
+		} else {
+			zin.x = x;
+			zin.y = y;
+		}
+	} else if (tool === 'bot') {
+		var bot = new Bot();
+		bot.x = x;
+		bot.y = y;
+		bots.push(bot);
+		worldObjects.push(bot);
+		game.addChild(bot);
+	} else if (tool === 'infectedBot') {
+		var ibot = new InfectedBot();
+		ibot.x = x;
+		ibot.y = y;
+		infectedBots.push(ibot);
+		worldObjects.push(ibot);
+		game.addChild(ibot);
+	}
+	return obj;
+}
+// --- Build Mode: Place or drag objects ---
+game.down = function (x, y, obj) {
+	if (buildMode) {
+		// Check if touching an object to drag
+		for (var i = worldObjects.length - 1; i >= 0; i--) {
+			var o = worldObjects[i];
+			if (o.intersectsPoint(x, y)) {
+				draggingObj = o;
+				dragOffsetX = x - o.x;
+				dragOffsetY = y - o.y;
+				return;
+			}
+		}
+		// Place new object
+		placeObject(selectedTool, x, y);
+	} else {
+		// Play mode: move Zin
+		if (zin) {
+			zin.targetX = x;
+			zin.targetY = y;
+			zin.moving = true;
+		}
+	}
+};
+game.move = function (x, y, obj) {
+	if (buildMode && draggingObj) {
+		draggingObj.x = x - dragOffsetX;
+		draggingObj.y = y - dragOffsetY;
+	}
+};
+game.up = function (x, y, obj) {
+	draggingObj = null;
+};
+// --- Play Mode: Reset state, count chips, etc ---
+function startPlayMode() {
+	collectedChips = 0;
+	totalChips = 0;
+	for (var i = 0; i < chips.length; i++) {
+		chips[i].collected = false;
+		chips[i].visible = true;
+		totalChips++;
+	}
+	chipTxt.setText('Chips: 0/' + totalChips);
+	// Reset traps
+	for (var i = 0; i < traps.length; i++) {
+		traps[i].armed = true;
+		traps[i].alpha = 1;
+	}
+	// Reset bots
+	for (var i = 0; i < bots.length; i++) {
+		bots[i].cured = false;
+		bots[i].visible = true;
+	}
+	// Reset infected bots
+	for (var i = 0; i < infectedBots.length; i++) {
+		infectedBots[i].visible = true;
+	}
+	// Place Zin at start if not present
+	if (!zin) {
+		zin = new Zin();
+		zin.x = 400;
+		zin.y = 400;
+		game.addChild(zin);
+	}
+	zin.moving = false;
+	zin.targetX = zin.x;
+	zin.targetY = zin.y;
+}
+// --- Main Game Loop ---
+game.update = function () {
+	// Only update in play mode
+	if (!buildMode) {
+		// Update Zin
+		if (zin) zin.update();
+		// Update bots
+		for (var i = 0; i < bots.length; i++) {
+			bots[i].update();
+		}
+		for (var i = 0; i < infectedBots.length; i++) {
+			infectedBots[i].update();
+		}
+		// Zin collects chips
+		for (var i = 0; i < chips.length; i++) {
+			var chip = chips[i];
+			if (!chip.collected && zin && zin.intersects(chip)) {
+				chip.collected = true;
+				chip.visible = false;
+				collectedChips++;
+				chipTxt.setText('Chips: ' + collectedChips + '/' + totalChips);
+				LK.getSound('chipCollect').play();
+				// Win if all chips collected
+				if (collectedChips >= totalChips && totalChips > 0) {
+					LK.showYouWin();
+				}
+			}
+		}
+		// Zin triggers traps
+		for (var i = 0; i < traps.length; i++) {
+			var trap = traps[i];
+			if (trap.armed && zin && zin.intersects(trap)) {
+				trap.armed = false;
+				LK.effects.flashObject(trap, 0xff0000, 600);
+				trap.alpha = 0.3;
+				LK.getSound('trapTrigger').play();
+				LK.effects.flashScreen(0xff0000, 800);
+				LK.showGameOver();
+			}
+		}
+		// Zin cures infected bots
+		for (var i = 0; i < infectedBots.length; i++) {
+			var ibot = infectedBots[i];
+			if (ibot.visible && zin && zin.intersects(ibot)) {
+				ibot.visible = false;
+				LK.getSound('botCured').play();
+			}
+		}
+	}
+};
+// --- Utility: intersectsPoint for drag selection ---
+Container.prototype.intersectsPoint = function (x, y) {
+	// Simple bounding box check
+	var left = this.x - this.width / 2;
+	var right = this.x + this.width / 2;
+	var top = this.y - this.height / 2;
+	var bottom = this.y + this.height / 2;
+	return x >= left && x <= right && y >= top && y <= bottom;
+};
\ No newline at end of file