/**** 
* Plugins
****/ 
var tween = LK.import("@upit/tween.v1");
var storage = LK.import("@upit/storage.v1");

/**** 
* Classes
****/ 
var Block = Container.expand(function (blockType) {
	var self = Container.call(this);
	self.blockType = blockType;
	// Create the block visual based on type
	var blockAsset = 'grassBlock';
	if (blockType === 'stone') blockAsset = 'stoneBlock';else if (blockType === 'wood') blockAsset = 'woodBlock';else if (blockType === 'special') blockAsset = 'specialBlock';
	var blockGraphics = self.attachAsset(blockAsset, {
		anchorX: 0.5,
		anchorY: 0.5
	});
	// Add isometric depth effect
	var shadowGraphics = self.attachAsset(blockAsset, {
		anchorX: 0.5,
		anchorY: 0.5,
		x: 4,
		y: 4,
		alpha: 0.3
	});
	// Animate block placement
	self.animatePlace = function () {
		blockGraphics.scaleX = 0.1;
		blockGraphics.scaleY = 0.1;
		tween(blockGraphics, {
			scaleX: 1,
			scaleY: 1
		}, {
			duration: 200,
			easing: tween.bounceOut
		});
	};
	// Animate block removal
	self.animateRemove = function () {
		tween(blockGraphics, {
			scaleX: 0.1,
			scaleY: 0.1,
			alpha: 0
		}, {
			duration: 150,
			easing: tween.easeIn,
			onFinish: function onFinish() {
				self.destroy();
			}
		});
	};
	return self;
});
var GridSlot = Container.expand(function (gridX, gridY) {
	var self = Container.call(this);
	self.gridX = gridX;
	self.gridY = gridY;
	self.hasBlock = false;
	self.blockObj = null;
	// Background grid visual
	var slotGraphics = self.attachAsset('gridSlot', {
		anchorX: 0.5,
		anchorY: 0.5,
		alpha: 0.1
	});
	self.placeBlock = function (blockType) {
		if (self.hasBlock) return false;
		self.blockObj = new Block(blockType);
		self.addChild(self.blockObj);
		self.hasBlock = true;
		self.blockObj.animatePlace();
		LK.getSound('placeBlock').play();
		return true;
	};
	self.removeBlock = function () {
		if (!self.hasBlock) return false;
		self.blockObj.animateRemove();
		self.hasBlock = false;
		self.blockObj = null;
		LK.getSound('removeBlock').play();
		return true;
	};
	self.down = function (x, y, obj) {
		if (currentSelectedBlock) {
			if (!self.hasBlock) {
				self.placeBlock(currentSelectedBlock);
			} else {
				self.removeBlock();
			}
		}
	};
	return self;
});
var InventorySlot = Container.expand(function (blockType, index) {
	var self = Container.call(this);
	self.blockType = blockType;
	self.index = index;
	self.isSelected = false;
	// Slot background
	var slotBg = self.attachAsset('inventorySlot', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	// Selected indicator
	var selectedBg = self.attachAsset('inventorySelected', {
		anchorX: 0.5,
		anchorY: 0.5,
		alpha: 0
	});
	// Block preview
	var blockAsset = 'grassBlock';
	if (blockType === 'stone') blockAsset = 'stoneBlock';else if (blockType === 'wood') blockAsset = 'woodBlock';else if (blockType === 'special') blockAsset = 'specialBlock';
	var blockPreview = self.attachAsset(blockAsset, {
		anchorX: 0.5,
		anchorY: 0.5,
		scaleX: 0.7,
		scaleY: 0.7
	});
	self.setSelected = function (selected) {
		self.isSelected = selected;
		selectedBg.alpha = selected ? 1 : 0;
		if (selected) {
			tween(blockPreview, {
				scaleX: 0.8,
				scaleY: 0.8
			}, {
				duration: 150
			});
		} else {
			tween(blockPreview, {
				scaleX: 0.7,
				scaleY: 0.7
			}, {
				duration: 150
			});
		}
	};
	self.down = function (x, y, obj) {
		selectInventorySlot(self.index);
		LK.getSound('selectBlock').play();
	};
	return self;
});

/**** 
* Initialize Game
****/ 
var game = new LK.Game({
	backgroundColor: 0x87CEEB
});

/**** 
* Game Code
****/ 
// Block assets with different colors and appearances
// Sound effects
var gridSize = 20;
var blockSize = 80;
var gridOffsetX = 1024;
var gridOffsetY = 400;
var currentSelectedBlock = 'grass';
// Game state
var gameGrid = [];
var inventorySlots = [];
var blockTypes = ['grass', 'stone', 'wood', 'special'];
// Initialize grid
for (var x = 0; x < gridSize; x++) {
	gameGrid[x] = [];
	for (var y = 0; y < gridSize; y++) {
		var slot = new GridSlot(x, y);
		// Calculate isometric position
		var isoX = (x - y) * (blockSize / 2);
		var isoY = (x + y) * (blockSize / 4);
		slot.x = gridOffsetX + isoX;
		slot.y = gridOffsetY + isoY;
		gameGrid[x][y] = slot;
		game.addChild(slot);
	}
}
// Create inventory UI
var inventoryContainer = new Container();
inventoryContainer.x = 1024;
inventoryContainer.y = 2500;
game.addChild(inventoryContainer);
// Create inventory slots
for (var i = 0; i < blockTypes.length; i++) {
	var invSlot = new InventorySlot(blockTypes[i], i);
	invSlot.x = (i - (blockTypes.length - 1) / 2) * 120;
	invSlot.y = 0;
	inventorySlots.push(invSlot);
	inventoryContainer.addChild(invSlot);
}
// Create clear all button
var clearAllButton = new Container();
var clearButtonBg = clearAllButton.attachAsset('clearAllButton', {
	anchorX: 0.5,
	anchorY: 0.5
});
var clearButtonText = new Text2('CLEAR\nALL', {
	size: 24,
	fill: '#ffffff'
});
clearButtonText.anchor.set(0.5, 0.5);
clearAllButton.addChild(clearButtonText);
clearAllButton.x = (blockTypes.length / 2 + 1) * 120;
clearAllButton.y = 0;
inventoryContainer.addChild(clearAllButton);
clearAllButton.down = function (x, y, obj) {
	// Clear all blocks from grid
	for (var x = 0; x < gridSize; x++) {
		for (var y = 0; y < gridSize; y++) {
			if (gameGrid[x][y].hasBlock) {
				gameGrid[x][y].removeBlock();
			}
		}
	}
	// Save the cleared state
	saveGame();
};
// Select first inventory slot by default
inventorySlots[0].setSelected(true);
// Title text
var titleText = new Text2('BlockCraft Builder', {
	size: 80,
	fill: '#ffffff'
});
titleText.anchor.set(0.5, 0);
LK.gui.top.addChild(titleText);
titleText.y = 50;
// Instructions text
var instructionsText = new Text2('Tap blocks to select, then tap grid to place/remove', {
	size: 40,
	fill: '#ffffff'
});
instructionsText.anchor.set(0.5, 0);
LK.gui.top.addChild(instructionsText);
instructionsText.y = 150;
// Functions
function selectInventorySlot(index) {
	// Deselect all slots
	for (var i = 0; i < inventorySlots.length; i++) {
		inventorySlots[i].setSelected(false);
	}
	// Select the clicked slot
	inventorySlots[index].setSelected(true);
	currentSelectedBlock = blockTypes[index];
}
// Load saved game state
var savedGrid = storage.savedGrid || {};
for (var x = 0; x < gridSize; x++) {
	for (var y = 0; y < gridSize; y++) {
		var key = x + '_' + y;
		if (savedGrid[key]) {
			gameGrid[x][y].placeBlock(savedGrid[key]);
		}
	}
}
// Auto-save function
function saveGame() {
	var saveData = {};
	for (var x = 0; x < gridSize; x++) {
		for (var y = 0; y < gridSize; y++) {
			if (gameGrid[x][y].hasBlock) {
				var key = x + '_' + y;
				saveData[key] = gameGrid[x][y].blockObj.blockType;
			}
		}
	}
	storage.savedGrid = saveData;
}
// Auto-save timer
var saveTimer = 0;
game.update = function () {
	saveTimer++;
	// Auto-save every 3 seconds (180 ticks at 60fps)
	if (saveTimer >= 180) {
		saveGame();
		saveTimer = 0;
	}
};

===================================================================
--- original.js
+++ change.js
@@ -82,38 +82,15 @@
 		LK.getSound('removeBlock').play();
 		return true;
 	};
 	self.down = function (x, y, obj) {
-		var currentTime = Date.now();
-		// Check for double-tap
-		if (lastTapSlot === self && currentTime - lastTapTime < doubleTapDelay) {
-			// Double-tap detected - start area selection
-			if (areaFillMode) {
-				// Exit area fill mode
-				exitAreaFillMode();
+		if (currentSelectedBlock) {
+			if (!self.hasBlock) {
+				self.placeBlock(currentSelectedBlock);
 			} else {
-				// Enter area fill mode
-				enterAreaFillMode(self);
+				self.removeBlock();
 			}
-			return;
 		}
-		// Single tap logic
-		if (areaFillMode) {
-			// In area fill mode, add/remove from selected area
-			toggleAreaSelection(self);
-		} else {
-			// Normal block placement/removal
-			if (currentSelectedBlock) {
-				if (!self.hasBlock) {
-					self.placeBlock(currentSelectedBlock);
-				} else {
-					self.removeBlock();
-				}
-			}
-		}
-		// Update last tap info
-		lastTapTime = currentTime;
-		lastTapSlot = self;
 	};
 	return self;
 });
 var InventorySlot = Container.expand(function (blockType, index) {
@@ -214,8 +191,35 @@
 	invSlot.y = 0;
 	inventorySlots.push(invSlot);
 	inventoryContainer.addChild(invSlot);
 }
+// Create clear all button
+var clearAllButton = new Container();
+var clearButtonBg = clearAllButton.attachAsset('clearAllButton', {
+	anchorX: 0.5,
+	anchorY: 0.5
+});
+var clearButtonText = new Text2('CLEAR\nALL', {
+	size: 24,
+	fill: '#ffffff'
+});
+clearButtonText.anchor.set(0.5, 0.5);
+clearAllButton.addChild(clearButtonText);
+clearAllButton.x = (blockTypes.length / 2 + 1) * 120;
+clearAllButton.y = 0;
+inventoryContainer.addChild(clearAllButton);
+clearAllButton.down = function (x, y, obj) {
+	// Clear all blocks from grid
+	for (var x = 0; x < gridSize; x++) {
+		for (var y = 0; y < gridSize; y++) {
+			if (gameGrid[x][y].hasBlock) {
+				gameGrid[x][y].removeBlock();
+			}
+		}
+	}
+	// Save the cleared state
+	saveGame();
+};
 // Select first inventory slot by default
 inventorySlots[0].setSelected(true);
 // Title text
 var titleText = new Text2('BlockCraft Builder', {
@@ -265,106 +269,14 @@
 		}
 	}
 	storage.savedGrid = saveData;
 }
-// Area selection functions
-function enterAreaFillMode(startSlot) {
-	areaFillMode = true;
-	if (startSlot.hasBlock) {
-		areaFillBlockType = startSlot.blockObj.blockType;
-	} else {
-		areaFillBlockType = currentSelectedBlock;
-	}
-	selectedArea = [startSlot];
-	updateAreaVisuals();
-	updateInstructions('Area mode: Tap slots to select, double-tap to apply');
-}
-function exitAreaFillMode() {
-	areaFillMode = false;
-	selectedArea = [];
-	areaFillBlockType = null;
-	clearAreaVisuals();
-	updateInstructions('Tap blocks to select, then tap grid to place/remove');
-}
-function toggleAreaSelection(slot) {
-	var index = selectedArea.indexOf(slot);
-	if (index > -1) {
-		selectedArea.splice(index, 1);
-	} else {
-		selectedArea.push(slot);
-	}
-	updateAreaVisuals();
-}
-function updateAreaVisuals() {
-	// Clear all previous selections
-	for (var x = 0; x < gridSize; x++) {
-		for (var y = 0; y < gridSize; y++) {
-			var slot = gameGrid[x][y];
-			if (slot.selectionIndicator) {
-				slot.selectionIndicator.destroy();
-				slot.selectionIndicator = null;
-			}
-		}
-	}
-	// Add selection indicators to selected slots
-	for (var i = 0; i < selectedArea.length; i++) {
-		var slot = selectedArea[i];
-		slot.selectionIndicator = slot.attachAsset('selectedSlot', {
-			anchorX: 0.5,
-			anchorY: 0.5,
-			alpha: 0.7
-		});
-	}
-}
-function clearAreaVisuals() {
-	for (var x = 0; x < gridSize; x++) {
-		for (var y = 0; y < gridSize; y++) {
-			var slot = gameGrid[x][y];
-			if (slot.selectionIndicator) {
-				slot.selectionIndicator.destroy();
-				slot.selectionIndicator = null;
-			}
-		}
-	}
-}
-function applyAreaFill() {
-	if (!areaFillMode || selectedArea.length === 0) return;
-	for (var i = 0; i < selectedArea.length; i++) {
-		var slot = selectedArea[i];
-		if (areaFillBlockType === 'remove') {
-			slot.removeBlock();
-		} else {
-			if (slot.hasBlock) {
-				slot.removeBlock();
-			}
-			slot.placeBlock(areaFillBlockType);
-		}
-	}
-	exitAreaFillMode();
-}
-function updateInstructions(text) {
-	instructionsText.setText(text);
-}
 // Auto-save timer
 var saveTimer = 0;
-var lastTapTime = 0;
-var lastTapSlot = null;
-var doubleTapDelay = 300; // milliseconds
-var areaFillMode = false;
-var areaFillBlockType = null;
-var selectedArea = [];
 game.update = function () {
 	saveTimer++;
 	// Auto-save every 3 seconds (180 ticks at 60fps)
 	if (saveTimer >= 180) {
 		saveGame();
 		saveTimer = 0;
 	}
-	// Check for double-tap to apply area fill
-	if (areaFillMode && selectedArea.length > 0) {
-		var currentTime = Date.now();
-		if (lastTapSlot && selectedArea.indexOf(lastTapSlot) > -1 && currentTime - lastTapTime < doubleTapDelay) {
-			// Double-tap on selected area - apply fill
-			applyAreaFill();
-		}
-	}
 };
\ No newline at end of file