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

/**** 
* Classes
****/ 
var Obstacle = Container.expand(function (type) {
	var self = Container.call(this);
	// Type can be "harmful" or "collectible"
	self.type = type || "harmful";
	// Set properties based on type
	if (self.type === "harmful") {
		var obstacleGraphics = self.attachAsset('Shape', {
			width: 80,
			height: 80,
			shape: 'box',
			color: 0xFF0000,
			anchorX: 0.5,
			anchorY: 0.5
		});
		// Add spike-like appearance
		obstacleGraphics.rotation = Math.PI / 4; // 45 degrees rotation
	} else {
		var obstacleGraphics = self.attachAsset('Shape', {
			width: 60,
			height: 60,
			shape: 'ellipse',
			color: 0x00FF00,
			anchorX: 0.5,
			anchorY: 0.5
		});
		// Make collectibles pulsate
		tween(obstacleGraphics, {
			scaleX: 1.2,
			scaleY: 1.2
		}, {
			duration: 500,
			easing: tween.easeInOut,
			loop: true,
			yoyo: true
		});
	}
	// Movement properties
	self.speedX = 0;
	self.speedY = 0;
	self.lastX = 0;
	self.lastY = 0;
	// Update position and check boundaries
	self.update = function () {
		// Store last position
		self.lastX = self.x;
		self.lastY = self.y;
		// Move obstacle
		self.x += self.speedX;
		self.y += self.speedY;
		// Check if off-screen
		if (self.x < -100 || self.x > 2148 || self.y < -100 || self.y > 2832) {
			return true; // Return true to indicate this obstacle should be removed
		}
		return false;
	};
	return self;
});
// Set background color
var SlimePhysics = Container.expand(function () {
	var self = Container.call(this);
	// State variables for slime physics
	self.baseY = 0;
	self.jumping = false;
	self.deforming = false;
	self.defaultRadius = 100;
	self.currentRadius = self.defaultRadius;
	self.pulseAmount = 0;
	self.pulseDirection = 1;
	self.lastIntersecting = false;
	// Create the slime body
	var slimeBody = self.attachAsset('Slime', {
		anchorX: 0.5,
		anchorY: 0.5,
		scaleX: 1,
		scaleY: 1,
		alpha: 0.9
	});
	// Reference to body for animations
	self.body = slimeBody;
	// Apply initial deformation for idle state
	self.pulseIdle = function () {
		if (!self.deforming && !self.jumping) {
			self.pulseAmount += 0.005 * self.pulseDirection;
			if (self.pulseAmount > 0.1 || self.pulseAmount < -0.05) {
				self.pulseDirection *= -1;
			}
			// Apply subtle breathing deformation
			self.body.scaleX = 1 + self.pulseAmount;
			self.body.scaleY = 1 - self.pulseAmount;
		}
	};
	// Jump method with deformation
	self.jump = function () {
		if (!self.jumping) {
			self.jumping = true;
			// Squish before jumping
			tween(self.body, {
				scaleY: 0.7,
				scaleX: 1.3
			}, {
				duration: 200,
				easing: tween.easeOut,
				onFinish: function onFinish() {
					// Start actual jump
					tween(self, {
						y: self.baseY - 300
					}, {
						duration: 600,
						easing: tween.easeOutQuad,
						onFinish: function onFinish() {
							// Start falling
							tween(self, {
								y: self.baseY
							}, {
								duration: 600,
								easing: tween.easeInQuad,
								onFinish: function onFinish() {
									// Land with impact deformation
									tween(self.body, {
										scaleY: 0.6,
										scaleX: 1.4
									}, {
										duration: 200,
										easing: tween.easeOut,
										onFinish: function onFinish() {
											// Return to normal shape
											tween(self.body, {
												scaleY: 1,
												scaleX: 1
											}, {
												duration: 400,
												easing: tween.elasticOut,
												onFinish: function onFinish() {
													self.jumping = false;
												}
											});
										}
									});
								}
							});
							// While in air, stretch vertically
							tween(self.body, {
								scaleY: 1.2,
								scaleX: 0.9
							}, {
								duration: 300,
								easing: tween.easeInOut
							});
						}
					});
				}
			});
		}
	};
	// React to approaching objects
	self.reactToObject = function (objectX, objectY) {
		if (!self.deforming && !self.jumping) {
			// Calculate which direction to deform based on object position
			var dx = objectX - self.x;
			var dy = objectY - self.y;
			var distance = Math.sqrt(dx * dx + dy * dy);
			if (distance < 300) {
				self.deforming = true;
				// Deform away from the approaching object
				var deformX = 1 - Math.abs(dx) / 500;
				var deformY = 1 - Math.abs(dy) / 500;
				if (dx > 0) {
					deformX = 1 / deformX;
				}
				if (dy > 0) {
					deformY = 1 / deformY;
				}
				// Apply deformation
				tween(self.body, {
					scaleX: deformX,
					scaleY: deformY
				}, {
					duration: 200,
					easing: tween.easeOut,
					onFinish: function onFinish() {
						// Return to normal shape
						tween(self.body, {
							scaleX: 1,
							scaleY: 1
						}, {
							duration: 400,
							easing: tween.elasticOut,
							onFinish: function onFinish() {
								self.deforming = false;
							}
						});
					}
				});
			}
		}
	};
	// Down handler for jumping
	self.down = function (x, y, obj) {
		self.jump();
	};
	// Update method called automatically by LK
	self.update = function () {
		self.pulseIdle();
	};
	return self;
});

/**** 
* Initialize Game
****/ 
var game = new LK.Game({
	backgroundColor: 0x000000
});

/**** 
* Game Code
****/ 
// Set background color
game.setBackgroundColor(0x2C3E50);
// Create score text
var scoreTxt = new Text2('0', {
	size: 100,
	fill: 0xFFFFFF
});
scoreTxt.anchor.set(0.5, 0);
LK.gui.top.addChild(scoreTxt);
// Add instruction text
var instructionTxt = new Text2('Tap to JUMP!\nDodge red obstacles\nCollect green items', {
	size: 70,
	fill: 0xFFFFFF,
	align: 'center'
});
instructionTxt.anchor.set(0.5, 0.5);
instructionTxt.x = 1024;
instructionTxt.y = 300;
game.addChild(instructionTxt);
// Hide instructions after a few seconds
LK.setTimeout(function () {
	tween(instructionTxt, {
		alpha: 0
	}, {
		duration: 1000,
		easing: tween.easeOut
	});
}, 5000);
// Add automatic tutorial jump after 2 seconds
LK.setTimeout(function () {
	slime.jump();
}, 2000);
// Create slime character
var slime = new SlimePhysics();
slime.x = 150; // Position on left side of screen
slime.y = 2732 / 2; // Middle of screen height
slime.baseY = slime.y;
game.addChild(slime);
// Create arrays to track game objects
var obstacles = [];
var score = 0;
// Spawn obstacles on a timer
var obstacleTimer = LK.setInterval(function () {
	var type = Math.random() > 0.3 ? "harmful" : "collectible"; // 70% harmful, 30% collectible
	var obstacle = new Obstacle(type);
	// Position obstacles to come from right side
	obstacle.x = 2148; // Start from right edge
	// Random Y position - either at slime level or above for jumping
	var positionType = Math.random() > 0.5 ? "level" : "above";
	if (positionType === "level") {
		// At same level as slime
		obstacle.y = slime.y;
	} else {
		// Above slime requiring a jump to collect
		obstacle.y = slime.y - 250;
	}
	// Always move from right to left
	obstacle.speedX = -5 - Math.random() * 3;
	obstacle.speedY = 0; // No vertical movement
	obstacle.lastX = obstacle.x;
	obstacle.lastY = obstacle.y;
	obstacle.lastIntersecting = false;
	obstacles.push(obstacle);
	game.addChild(obstacle);
}, 1000);
// Game update loop
game.update = function () {
	// Update obstacles and check collisions
	for (var i = obstacles.length - 1; i >= 0; i--) {
		var obstacle = obstacles[i];
		// Update obstacle and check if it's gone off-screen
		if (obstacle.update()) {
			obstacle.destroy();
			obstacles.splice(i, 1);
			continue;
		}
		// Check for intersections with slime
		var currentIntersecting = obstacle.intersects(slime);
		if (!obstacle.lastIntersecting && currentIntersecting) {
			// We just started intersecting
			if (obstacle.type === "harmful") {
				// Harmful object collision
				LK.effects.flashScreen(0xFF0000, 500);
				LK.getSound('Shut').play();
				// Game over after a brief delay
				LK.setTimeout(function () {
					LK.showGameOver();
				}, 500);
			} else {
				// Collectible object collision
				LK.getSound('Bonus').play();
				score += 10;
				scoreTxt.setText(score);
				// Flash slime with green tint
				LK.effects.flashObject(slime, 0x00FF00, 500);
				// Remove collectible
				obstacle.destroy();
				obstacles.splice(i, 1);
			}
			continue;
		}
		// Update lastIntersecting state
		obstacle.lastIntersecting = currentIntersecting;
		// Make slime react to close obstacles
		if (obstacle.type === "harmful" && obstacle.y === slime.y) {
			// Calculate distance to slime
			var dx = obstacle.x - slime.x;
			var dy = obstacle.y - slime.y;
			var distance = Math.sqrt(dx * dx + dy * dy);
			// React when obstacle gets close - suggest jumping
			if (distance < 400 && distance > 300) {
				// Visual cue to jump - flash slime
				if (Math.floor(LK.ticks / 5) % 2 === 0) {
					slime.body.alpha = 0.7;
				} else {
					slime.body.alpha = 1;
				}
				slime.reactToObject(obstacle.x, obstacle.y);
			} else if (distance <= 300) {
				slime.body.alpha = 1;
				slime.reactToObject(obstacle.x, obstacle.y);
			} else {
				slime.body.alpha = 0.9;
			}
		} else if (obstacle.type === "collectible" && obstacle.y < slime.y) {
			// Visual cue for collectibles above - suggest jumping to collect
			var dx = obstacle.x - slime.x;
			var distance = Math.abs(dx);
			if (distance < 400 && distance > 300) {
				// Visual cue to jump for collectible
				if (Math.floor(LK.ticks / 5) % 2 === 0) {
					slime.body.tint = 0x00FFFF;
				} else {
					slime.body.tint = 0xFFFFFF;
				}
			} else {
				slime.body.tint = 0xFFFFFF;
			}
		}
	}
};
// Handle touch/mouse events for the game
game.down = function (x, y, obj) {
	slime.jump();
};

===================================================================
--- original.js
+++ change.js
@@ -19,8 +19,10 @@
 			color: 0xFF0000,
 			anchorX: 0.5,
 			anchorY: 0.5
 		});
+		// Add spike-like appearance
+		obstacleGraphics.rotation = Math.PI / 4; // 45 degrees rotation
 	} else {
 		var obstacleGraphics = self.attachAsset('Shape', {
 			width: 60,
 			height: 60,
@@ -28,8 +30,18 @@
 			color: 0x00FF00,
 			anchorX: 0.5,
 			anchorY: 0.5
 		});
+		// Make collectibles pulsate
+		tween(obstacleGraphics, {
+			scaleX: 1.2,
+			scaleY: 1.2
+		}, {
+			duration: 500,
+			easing: tween.easeInOut,
+			loop: true,
+			yoyo: true
+		});
 	}
 	// Movement properties
 	self.speedX = 0;
 	self.speedY = 0;
@@ -219,12 +231,35 @@
 	fill: 0xFFFFFF
 });
 scoreTxt.anchor.set(0.5, 0);
 LK.gui.top.addChild(scoreTxt);
+// Add instruction text
+var instructionTxt = new Text2('Tap to JUMP!\nDodge red obstacles\nCollect green items', {
+	size: 70,
+	fill: 0xFFFFFF,
+	align: 'center'
+});
+instructionTxt.anchor.set(0.5, 0.5);
+instructionTxt.x = 1024;
+instructionTxt.y = 300;
+game.addChild(instructionTxt);
+// Hide instructions after a few seconds
+LK.setTimeout(function () {
+	tween(instructionTxt, {
+		alpha: 0
+	}, {
+		duration: 1000,
+		easing: tween.easeOut
+	});
+}, 5000);
+// Add automatic tutorial jump after 2 seconds
+LK.setTimeout(function () {
+	slime.jump();
+}, 2000);
 // Create slime character
 var slime = new SlimePhysics();
-slime.x = 2048 / 2;
-slime.y = 2732 - 300;
+slime.x = 150; // Position on left side of screen
+slime.y = 2732 / 2; // Middle of screen height
 slime.baseY = slime.y;
 game.addChild(slime);
 // Create arrays to track game objects
 var obstacles = [];
@@ -232,40 +267,22 @@
 // Spawn obstacles on a timer
 var obstacleTimer = LK.setInterval(function () {
 	var type = Math.random() > 0.3 ? "harmful" : "collectible"; // 70% harmful, 30% collectible
 	var obstacle = new Obstacle(type);
-	// Position on random edge of screen with direction toward slime
-	var side = Math.floor(Math.random() * 4); // 0: top, 1: right, 2: bottom, 3: left
-	switch (side) {
-		case 0:
-			// top
-			obstacle.x = Math.random() * 2048;
-			obstacle.y = -50;
-			obstacle.speedY = 3 + Math.random() * 2;
-			obstacle.speedX = (slime.x - obstacle.x) / 200;
-			break;
-		case 1:
-			// right
-			obstacle.x = 2148;
-			obstacle.y = Math.random() * 2732;
-			obstacle.speedX = -3 - Math.random() * 2;
-			obstacle.speedY = (slime.y - obstacle.y) / 200;
-			break;
-		case 2:
-			// bottom
-			obstacle.x = Math.random() * 2048;
-			obstacle.y = 2832;
-			obstacle.speedY = -3 - Math.random() * 2;
-			obstacle.speedX = (slime.x - obstacle.x) / 200;
-			break;
-		case 3:
-			// left
-			obstacle.x = -50;
-			obstacle.y = Math.random() * 2732;
-			obstacle.speedX = 3 + Math.random() * 2;
-			obstacle.speedY = (slime.y - obstacle.y) / 200;
-			break;
+	// Position obstacles to come from right side
+	obstacle.x = 2148; // Start from right edge
+	// Random Y position - either at slime level or above for jumping
+	var positionType = Math.random() > 0.5 ? "level" : "above";
+	if (positionType === "level") {
+		// At same level as slime
+		obstacle.y = slime.y;
+	} else {
+		// Above slime requiring a jump to collect
+		obstacle.y = slime.y - 250;
 	}
+	// Always move from right to left
+	obstacle.speedX = -5 - Math.random() * 3;
+	obstacle.speedY = 0; // No vertical movement
 	obstacle.lastX = obstacle.x;
 	obstacle.lastY = obstacle.y;
 	obstacle.lastIntersecting = false;
 	obstacles.push(obstacle);
@@ -309,17 +326,42 @@
 		}
 		// Update lastIntersecting state
 		obstacle.lastIntersecting = currentIntersecting;
 		// Make slime react to close obstacles
-		if (obstacle.type === "harmful") {
+		if (obstacle.type === "harmful" && obstacle.y === slime.y) {
 			// Calculate distance to slime
 			var dx = obstacle.x - slime.x;
 			var dy = obstacle.y - slime.y;
 			var distance = Math.sqrt(dx * dx + dy * dy);
-			// React when obstacle gets close
-			if (distance < 300) {
+			// React when obstacle gets close - suggest jumping
+			if (distance < 400 && distance > 300) {
+				// Visual cue to jump - flash slime
+				if (Math.floor(LK.ticks / 5) % 2 === 0) {
+					slime.body.alpha = 0.7;
+				} else {
+					slime.body.alpha = 1;
+				}
 				slime.reactToObject(obstacle.x, obstacle.y);
+			} else if (distance <= 300) {
+				slime.body.alpha = 1;
+				slime.reactToObject(obstacle.x, obstacle.y);
+			} else {
+				slime.body.alpha = 0.9;
 			}
+		} else if (obstacle.type === "collectible" && obstacle.y < slime.y) {
+			// Visual cue for collectibles above - suggest jumping to collect
+			var dx = obstacle.x - slime.x;
+			var distance = Math.abs(dx);
+			if (distance < 400 && distance > 300) {
+				// Visual cue to jump for collectible
+				if (Math.floor(LK.ticks / 5) % 2 === 0) {
+					slime.body.tint = 0x00FFFF;
+				} else {
+					slime.body.tint = 0xFFFFFF;
+				}
+			} else {
+				slime.body.tint = 0xFFFFFF;
+			}
 		}
 	}
 };
 // Handle touch/mouse events for the game