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

/**** 
* Classes
****/ 
var Basketball = Container.expand(function () {
	var self = Container.call(this);
	var ballGraphics = self.attachAsset('basketball', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	// Set z-index to render behind net and hoop
	ballGraphics.zIndex = -1;
	self.velocityX = 0;
	self.velocityY = 0;
	self.gravity = 0.5;
	self.bounceDecay = 0.7;
	self.hasScored = false;
	self.isActive = true;
	self.update = function () {
		if (!self.isActive) return;
		self.velocityY += self.gravity;
		self.x += self.velocityX;
		self.y += self.velocityY;
		// Check hoop collision
		if (hoop) {
			var hoopX = hoop.x;
			var hoopY = hoop.y - 350; // Adjust for hoop position within container
			var relativeX = self.x - hoopX;
			var relativeY = self.y - hoopY;
			// Check for scoring through hoop first (ball going through net area)
			if (Math.abs(relativeX) <= 60 && relativeY >= -10 && relativeY <= 50 && self.velocityY > 0 && !self.hasScored) {
				// Ball is going through hoop - animate net and score
				self.hasScored = true;
				self.isActive = false;
				// Set ball to render behind net and hoop
				ballGraphics.zIndex = -2;
				// Animate ball going through and down
				tween(self, {
					y: self.y + 100,
					x: hoopX + (Math.random() - 0.5) * 20
				}, {
					duration: 500,
					easing: tween.easeIn
				});
				// Animate net pulsate
				tween(hoop.net, {
					scaleX: 1.8,
					scaleY: 1.8
				}, {
					duration: 200,
					easing: tween.easeOut,
					onFinish: function onFinish() {
						tween(hoop.net, {
							scaleX: 1.5,
							scaleY: 1.5
						}, {
							duration: 200,
							easing: tween.easeIn
						});
					}
				});
				// Score the basket
				currentStreak++;
				var points = 10 * currentStreak;
				if (self.isPerfectShot) {
					points *= 2;
					LK.effects.flashScreen(0xFFD700, 400);
				}
				LK.setScore(LK.getScore() + points);
				LK.getSound('swish').play();
				scoreTxt.setText('Score: ' + LK.getScore());
				streakTxt.setText('Streak: ' + currentStreak);
				LK.effects.flashObject(hoop, self.isPerfectShot ? 0xFFD700 : 0x00FF00, 300);
				return;
			}
			// Check if ball is hitting the hoop rim
			if (relativeX >= -125 && relativeX <= 125 && relativeY >= -25 && relativeY <= 25) {
				// Determine which side of the hoop was hit
				if (Math.abs(relativeX) > 90) {
					// Hit the sides of the rim
					self.velocityX = -self.velocityX * self.bounceDecay;
					if (relativeX < 0) {
						self.x = hoopX - 125;
					} else {
						self.x = hoopX + 125;
					}
					LK.getSound('bounce').play();
				} else if (relativeY >= -25 && relativeY <= 0 && self.velocityY > 0) {
					// Hit the top of the rim (bouncing up)
					self.velocityY = -Math.abs(self.velocityY) * self.bounceDecay;
					self.y = hoopY - 25;
					self.velocityX *= 0.8; // Reduce horizontal velocity slightly
					LK.getSound('bounce').play();
				}
			}
			// Check if ball is resting on the rim (low velocity and on top)
			if (Math.abs(relativeX) <= 90 && relativeY >= -30 && relativeY <= -20 && Math.abs(self.velocityY) < 2 && Math.abs(self.velocityX) < 3) {
				// Ball is resting on rim, make it roll into the hoop
				self.isActive = false; // Stop normal physics
				self.hasScored = true; // Mark as scored
				// Set ball to render behind net and hoop
				ballGraphics.zIndex = -2;
				// Animate rolling into hoop
				tween(self, {
					x: hoopX,
					y: hoopY + 40,
					rotation: self.rotation + Math.PI * 2
				}, {
					duration: 800,
					easing: tween.easeInOut,
					onFinish: function onFinish() {
						// Animate net pulsate
						tween(hoop.net, {
							scaleX: 1.8,
							scaleY: 1.8
						}, {
							duration: 200,
							easing: tween.easeOut,
							onFinish: function onFinish() {
								tween(hoop.net, {
									scaleX: 1.5,
									scaleY: 1.5
								}, {
									duration: 200,
									easing: tween.easeIn
								});
							}
						});
						// Score the basket
						currentStreak++;
						var points = 10 * currentStreak;
						LK.setScore(LK.getScore() + points);
						// Play swish sound
						LK.getSound('swish').play();
						// Update displays
						scoreTxt.setText('Score: ' + LK.getScore());
						streakTxt.setText('Streak: ' + currentStreak);
						// Visual feedback
						LK.effects.flashObject(hoop, 0x00FF00, 300);
					}
				});
			}
		}
		// Ground collision removed - ball can fall through
		// Remove if off screen
		if (self.x < -100 || self.x > 2148 || self.y > 2800) {
			self.isActive = false;
		}
	};
	return self;
});
var Hoop = Container.expand(function () {
	var self = Container.call(this);
	var backboard = self.attachAsset('backboard', {
		anchorX: 0.5,
		anchorY: 1
	});
	backboard.y = -20;
	var hoop = self.attachAsset('hoop', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	hoop.y = -350;
	// Set z-index to render in front of basketball
	hoop.zIndex = 1;
	var net = self.attachAsset('net', {
		anchorX: 0.5,
		anchorY: 0,
		scaleX: 1.5,
		scaleY: 1.5
	});
	net.y = -325;
	net.alpha = 0.8;
	// Set z-index to render in front of basketball
	net.zIndex = 2;
	// Store net reference for animation access
	self.net = net;
	self.hoopBounds = {
		left: -90,
		right: 90,
		top: -20,
		bottom: 20
	};
	// Enable z-index sorting for proper rendering order
	self.sortableChildren = true;
	return self;
});
var ShotBar = Container.expand(function () {
	var self = Container.call(this);
	// Background bar
	var bgBar = self.attachAsset('shotBarBg', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	// Green zone
	var greenZone = self.attachAsset('shotBarGreen', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	greenZone.x = 0; // Start at center, will move
	// Moving basketball indicator
	var indicator = self.attachAsset('basketball', {
		anchorX: 0.5,
		anchorY: 0.5,
		scaleX: 0.6,
		scaleY: 0.6
	});
	self.isActive = false;
	self.isMoving = false;
	self.moveDirection = 1; // 1 for right, -1 for left
	self.moveSpeed = 8;
	self.maxDistance = 240; // Half of bar width minus indicator size
	self.perfectShot = false;
	self.startMoving = function () {
		self.isActive = true;
		self.isMoving = true;
		self.perfectShot = false;
		// Position green zone randomly
		greenZone.x = (Math.random() - 0.5) * 360; // Random position within bar
		// Reset indicator position
		indicator.x = -self.maxDistance;
		self.moveDirection = 1;
		self.visible = true;
	};
	self.stopMoving = function () {
		self.isMoving = false;
		// Check if indicator is within green zone
		var greenLeft = greenZone.x - 60;
		var greenRight = greenZone.x + 60;
		self.perfectShot = indicator.x >= greenLeft && indicator.x <= greenRight;
		// Hide shot bar after a short delay
		var self_ref = self;
		LK.setTimeout(function () {
			self_ref.visible = false;
			self_ref.isActive = false;
		}, 200);
		return self.perfectShot;
	};
	self.update = function () {
		if (!self.isMoving) return;
		// Move indicator back and forth
		indicator.x += self.moveSpeed * self.moveDirection;
		// Bounce off edges
		if (indicator.x >= self.maxDistance) {
			indicator.x = self.maxDistance;
			self.moveDirection = -1;
		} else if (indicator.x <= -self.maxDistance) {
			indicator.x = -self.maxDistance;
			self.moveDirection = 1;
		}
	};
	self.visible = false;
	return self;
});

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

/**** 
* Game Code
****/ 
var basketballs = [];
var hoop = null;
var ground = null;
var scoreTxt = null;
var streakTxt = null;
var currentStreak = 0;
var swipeStartX = 0;
var swipeStartY = 0;
var swipeStartTime = 0;
var isSwipeStarted = false;
var lastShotTime = 0;
var musicNotes = ['note1', 'note2', 'note3', 'note4', 'note5'];
var currentNoteIndex = 0;
var shotBar = null;
var isChargingShot = false;
// Enable z-index sorting for proper rendering order
game.sortableChildren = true;
// Add background
var background = game.addChild(LK.getAsset('Background', {
	anchorX: 0,
	anchorY: 0
}));
background.x = 0;
background.y = 0;
// Set background to render behind everything
background.zIndex = -10;
// Ground removed - no longer needed
// Create hoop
hoop = game.addChild(new Hoop());
hoop.x = 624;
hoop.y = 1300;
// Create score display
scoreTxt = new Text2('Score: 0', {
	size: 80,
	fill: 0xFFFFFF
});
scoreTxt.anchor.set(0.5, 0);
LK.gui.top.addChild(scoreTxt);
// Create streak display
streakTxt = new Text2('Streak: 0', {
	size: 60,
	fill: 0xFFD700
});
streakTxt.anchor.set(0.5, 0);
streakTxt.y = 100;
LK.gui.top.addChild(streakTxt);
// Create shot bar
shotBar = game.addChild(new ShotBar());
shotBar.x = 624;
shotBar.y = 2200;
function createBasketball(startX, startY, velocityX, velocityY) {
	var ball = new Basketball();
	ball.x = startX;
	ball.y = startY;
	ball.velocityX = velocityX;
	ball.velocityY = velocityY;
	ball.isPerfectShot = false;
	basketballs.push(ball);
	game.addChild(ball);
	return ball;
}
function checkBasketScore(ball) {
	// Scoring is now handled in Basketball class update method
	// This function is kept for compatibility but does nothing
	return;
}
game.down = function (x, y, obj) {
	if (LK.ticks - lastShotTime < 60) return; // Prevent rapid firing
	if (shotBar.isActive) {
		// Stop the shot bar and check for perfect shot
		var isPerfect = shotBar.stopMoving();
		isChargingShot = false;
		// Calculate shooting parameters
		var startX = 624;
		var startY = 2500;
		var velocityX = 0;
		var velocityY = -15; // Base upward velocity
		if (isPerfect) {
			// Perfect shot - straight to hoop with precise trajectory
			var targetX = hoop.x;
			var targetY = hoop.y - 300; // Aim slightly above hoop center for perfect arc
			var deltaX = targetX - startX;
			var deltaY = targetY - startY;
			// Calculate perfect trajectory for swish
			var time = 45; // frames to reach target
			velocityX = deltaX / time;
			velocityY = deltaY / time - 0.5 * time * 0.5; // Account for gravity
			// Create perfect shot basketball
			var ball = createBasketball(startX, startY, velocityX, velocityY);
			ball.isPerfectShot = true;
			// Visual feedback for perfect shot
			LK.effects.flashScreen(0x00FF00, 200);
			// Add tween animation to ensure ball goes straight in
			tween(ball, {
				tint: 0xFFD700
			}, {
				duration: 300,
				onFinish: function onFinish() {
					tween(ball, {
						tint: 0xFFFFFF
					}, {
						duration: 300
					});
				}
			});
			// Add vertical rotation animation
			tween(ball, {
				rotation: ball.rotation + Math.PI * 4
			}, {
				duration: 1500,
				easing: tween.easeOut
			});
		} else {
			// Regular shot with some randomness
			velocityX = (Math.random() - 0.5) * 8;
			velocityY = -12 - Math.random() * 6;
			var ball = createBasketball(startX, startY, velocityX, velocityY);
			// Add vertical rotation animation for regular shot
			tween(ball, {
				rotation: ball.rotation + Math.PI * 3
			}, {
				duration: 1200,
				easing: tween.easeOut
			});
		}
		lastShotTime = LK.ticks;
	} else {
		// Start charging shot
		isChargingShot = true;
		shotBar.startMoving();
		swipeStartX = x;
		swipeStartY = y;
		swipeStartTime = LK.ticks;
	}
};
game.up = function (x, y, obj) {
	// Shot bar system handles shooting now, remove swipe-based shooting
};
game.update = function () {
	// Update basketballs
	for (var i = basketballs.length - 1; i >= 0; i--) {
		var ball = basketballs[i];
		if (!ball.isActive) {
			ball.destroy();
			basketballs.splice(i, 1);
			continue;
		}
		// Check for scoring
		checkBasketScore(ball);
		// Check collision with other basketballs
		for (var j = i + 1; j < basketballs.length; j++) {
			var otherBall = basketballs[j];
			if (!otherBall.isActive) continue;
			var dx = ball.x - otherBall.x;
			var dy = ball.y - otherBall.y;
			var distance = Math.sqrt(dx * dx + dy * dy);
			var minDistance = 120; // Combined radius of two basketballs
			if (distance < minDistance && distance > 0) {
				// Calculate collision normal
				var normalX = dx / distance;
				var normalY = dy / distance;
				// Separate balls to prevent overlap
				var overlap = minDistance - distance;
				var separationX = normalX * overlap * 0.5;
				var separationY = normalY * overlap * 0.5;
				ball.x += separationX;
				ball.y += separationY;
				otherBall.x -= separationX;
				otherBall.y -= separationY;
				// Calculate relative velocity
				var relativeVelX = ball.velocityX - otherBall.velocityX;
				var relativeVelY = ball.velocityY - otherBall.velocityY;
				// Calculate relative velocity along collision normal
				var relativeSpeed = relativeVelX * normalX + relativeVelY * normalY;
				// Only resolve if objects are moving towards each other
				if (relativeSpeed > 0) continue;
				// Calculate impulse scalar (assuming equal mass)
				var impulse = -2 * relativeSpeed / 2;
				var impulseX = impulse * normalX;
				var impulseY = impulse * normalY;
				// Apply impulse with bounce decay
				var bounceDecay = 0.8;
				ball.velocityX += impulseX * bounceDecay;
				ball.velocityY += impulseY * bounceDecay;
				otherBall.velocityX -= impulseX * bounceDecay;
				otherBall.velocityY -= impulseY * bounceDecay;
				// Play bounce sound
				LK.getSound('bounce').play();
			}
		}
	}
	// Reset streak if no balls scored recently
	if (basketballs.length === 0 && LK.ticks - lastShotTime > 180) {
		if (currentStreak > 0) {
			currentStreak = 0;
			streakTxt.setText('Streak: 0');
			currentNoteIndex = 0; // Reset musical progression
		}
	}
	// Check win condition
	if (LK.getScore() >= 500) {
		LK.showYouWin();
	}
};
// Start background music
LK.playMusic('backgroundMusic');

===================================================================
--- original.js
+++ change.js
@@ -144,18 +144,9 @@
 					}
 				});
 			}
 		}
-		// Check ground collision
-		if (self.y > 2632) {
-			self.y = 2632;
-			self.velocityY = -self.velocityY * self.bounceDecay;
-			self.velocityX *= 0.9;
-			LK.getSound('bounce').play();
-			if (Math.abs(self.velocityY) < 1) {
-				self.isActive = false;
-			}
-		}
+		// Ground collision removed - ball can fall through
 		// Remove if off screen
 		if (self.x < -100 || self.x > 2148 || self.y > 2800) {
 			self.isActive = false;
 		}
@@ -301,14 +292,9 @@
 background.x = 0;
 background.y = 0;
 // Set background to render behind everything
 background.zIndex = -10;
-// Create ground
-ground = game.addChild(LK.getAsset('ground', {
-	anchorX: 0,
-	anchorY: 0
-}));
-ground.y = 2632;
+// Ground removed - no longer needed
 // Create hoop
 hoop = game.addChild(new Hoop());
 hoop.x = 624;
 hoop.y = 1300;