===================================================================
--- original.js
+++ change.js
@@ -1,10 +1,5 @@
 /**** 
-* Plugins
-****/ 
-var tween = LK.import("@upit/tween.v1");
-
-/**** 
 * Classes
 ****/ 
 // test
 var ButtonBot = Container.expand(function () {
@@ -22,50 +17,54 @@
 		LK.setTimeout(function () {
 			self.isPressed = false; // Reset pressed state after a short delay
 		}, 200); // 200ms debounce delay
 		self.scale.set(0.9); // Add press effect by scaling down
-		if (!character.inAir && !character.doubleJump) {
-			character.rotation -= Math.PI / 2.25; // Rotate 80 degrees counter-clockwise
-		} else if (character.inAir || character.doubleJump) {
-			tween(character, {
-				y: 2732 / 2 - 250
-			}, {
-				duration: 100,
-				onFinish: function onFinish() {
-					character.inAir = false;
-					character.doubleJump = false;
-					character.y = 2732 / 2 - 250;
+		if (!player.inAir && !player.doubleJump) {
+			player.rotation -= Math.PI / 2.25; // Rotate 80 degrees counter-clockwise
+		} else if (player.inAir || player.doubleJump) {
+			var jumpDuration = 100;
+			var jumpStartTime = Date.now();
+			var jumpInterval = LK.setInterval(function () {
+				var elapsed = Date.now() - jumpStartTime;
+				var progress = elapsed / jumpDuration;
+				if (progress >= 1) {
+					player.y = 2732 / 2 - 250;
+					player.inAir = false;
+					player.doubleJump = false;
+					LK.clearInterval(jumpInterval);
+				} else {
+					player.y = player.y - 400 * progress;
 				}
-			});
+			}, 16);
 		}
-		if (character.inAir || character.doubleJump) {
-			if (!character.hasRotated) {
-				character.rotation -= Math.PI / 2.25; // Rotate 80 degrees counter-clockwise
-				character.hasRotated = true; // Ensure rotation only occurs once
+		if (player.inAir || player.doubleJump) {
+			if (!player.hasRotated) {
+				player.rotation -= Math.PI / 2.25; // Rotate 80 degrees counter-clockwise
+				player.hasRotated = true; // Ensure rotation only occurs once
 			}
-			tween(character, {
+			tween(player, {
 				y: 2732 / 2 - 250
 			}, {
 				duration: 100,
 				onFinish: function onFinish() {
-					character.inAir = false;
-					character.doubleJump = false;
-					character.y = 2732 / 2 - 250;
-					character.hasRotated = false; // Reset rotation flag
+					player.inAir = false;
+					player.doubleJump = false;
+					player.y = 2732 / 2 - 250;
+					player.hasRotated = false; // Reset rotation flag
 				}
 			});
 		} else {
-			character.hasRotated = false; // Reset rotation flag if not in air or double jump
+			player.hasRotated = false; // Reset rotation flag if not in air or double jump
 		}
 	};
 	// Add up event to reset rotation
 	self.up = function (x, y, obj) {
 		self.isPressed = false; // Reset pressed state
 		self.scale.set(1); // Reset scale to original size
-		if (!character.inAir && !character.doubleJump) {
-			character.rotation += Math.PI / 2.25; // Rotate back 80 degrees clockwise
-		} else if (character.inAir || character.doubleJump) {
-			character.rotation += Math.PI / 2.25; // Rotate back 80 degrees clockwise
+		if (!player.inAir && !player.doubleJump) {
+			player.rotation += Math.PI / 2.25; // Rotate back 80 degrees clockwise
+		} else if (player.inAir || player.doubleJump) {
+			player.rotation += Math.PI / 2.25; // Rotate back 80 degrees clockwise
 		}
 	};
 });
 // Create a button top class
@@ -84,56 +83,73 @@
 		LK.setTimeout(function () {
 			self.isPressed = false; // Reset pressed state after a short delay
 		}, 200); // 200ms debounce delay
 		self.scale.set(0.9); // Add press effect by scaling down
-		if (!character.doubleJump || character.inAir && !character.doubleJump) {
-			if (character.inAir) {
-				character.doubleJump = true;
-				tween(character, {
-					y: character.y - 400,
-					rotation: character.rotation - Math.PI * 2
-				}, {
-					duration: 230,
-					easing: tween.easeInOut,
-					onFinish: function onFinish() {
-						character.inAir = true; // Allow another jump
-						tween(character, {
-							y: 2732 / 2 - 250
-						}, {
-							duration: 800,
-							onFinish: function onFinish() {
-								character.inAir = false;
-								character.doubleJump = false;
-								character.y = 2732 / 2 - 250;
+		if (!player.doubleJump || player.inAir && !player.doubleJump) {
+			if (player.inAir) {
+				player.doubleJump = true;
+				var doubleJumpDuration = 230;
+				var doubleJumpStartTime = Date.now();
+				var doubleJumpInterval = LK.setInterval(function () {
+					var elapsed = Date.now() - doubleJumpStartTime;
+					var progress = elapsed / doubleJumpDuration;
+					if (progress >= 1) {
+						player.y = player.y - 400;
+						player.rotation -= Math.PI * 2;
+						player.inAir = true;
+						LK.clearInterval(doubleJumpInterval);
+						var fallDuration = 800;
+						var fallStartTime = Date.now();
+						var fallInterval = LK.setInterval(function () {
+							var fallElapsed = Date.now() - fallStartTime;
+							var fallProgress = fallElapsed / fallDuration;
+							if (fallProgress >= 1) {
+								player.y = 2732 / 2 - 250;
+								player.inAir = false;
+								player.doubleJump = false;
+								LK.clearInterval(fallInterval);
+							} else {
+								player.y = player.y - 400 * (1 - fallProgress);
 							}
-						});
+						}, 16);
+					} else {
+						player.y = player.y - 400 * progress;
 					}
-				});
+				}, 16);
 				return;
 			}
-			character.inAir = true;
-			character.doubleJump = false;
-			character.lastY = character.y; // Update lastY immediately after jump initiation
-			character.lastX = character.x; // Update lastX immediately after jump initiation
-			character.lastY = character.y; // Update lastY immediately after jump initiation
-			character.lastX = character.x; // Update lastX immediately after jump initiation
-			tween(character, {
-				y: character.y - 400
-			}, {
-				duration: 100,
-				// Reduced duration to allow quicker second jump
-				onFinish: function onFinish() {
-					character.inAir = true; // Allow another jump
-					tween(character, {
-						y: 2732 / 2 - 250
-					}, {
-						duration: 800,
-						onFinish: function onFinish() {
-							character.inAir = false;
+			player.inAir = true;
+			player.doubleJump = false;
+			player.lastY = player.y; // Update lastY immediately after jump initiation
+			player.lastX = player.x; // Update lastX immediately after jump initiation
+			player.lastY = player.y; // Update lastY immediately after jump initiation
+			player.lastX = player.x; // Update lastX immediately after jump initiation
+			var initialJumpDuration = 100;
+			var initialJumpStartTime = Date.now();
+			var initialJumpInterval = LK.setInterval(function () {
+				var elapsed = Date.now() - initialJumpStartTime;
+				var progress = elapsed / initialJumpDuration;
+				if (progress >= 1) {
+					player.y = player.y - 400;
+					player.inAir = true;
+					LK.clearInterval(initialJumpInterval);
+					var fallDuration = 800;
+					var fallStartTime = Date.now();
+					var fallInterval = LK.setInterval(function () {
+						var fallElapsed = Date.now() - fallStartTime;
+						var fallProgress = fallElapsed / fallDuration;
+						if (fallProgress >= 1) {
+							player.y = 2732 / 2 - 250;
+							player.inAir = false;
+							LK.clearInterval(fallInterval);
+						} else {
+							player.y = player.y - 400 * (1 - fallProgress);
 						}
-					});
+					}, 16);
+				} else {
+					player.y = player.y - 400 * progress;
 				}
-			});
+			}, 16);
 		}
 	};
 	// Add up event to reset scale
 	self.up = function (x, y, obj) {
@@ -338,9 +354,9 @@
 		anchorY: 0.5
 	}));
 	vzriv.x = vzriv.width / 2 + 90; // Position Vzriv at the left center of the screen
 	vzriv.y = 2732 / 2 - 280; // Center Vzriv vertically
-	game.setChildIndex(character, game.children.length - 1); // Move character to the top
+	game.setChildIndex(player, game.children.length - 1); // Move player to the top
 	game.setChildIndex(buttonBot, game.children.length - 1); // Ensure buttonBot is on top
 	game.setChildIndex(buttonTop, game.children.length - 1); // Ensure buttonTop is on top
 	// Remove Vzriv 2.1 seconds after the game starts
 	LK.setTimeout(function () {
@@ -414,15 +430,19 @@
 domImage.rotation = Math.PI / 9; // Rotate image by 20 degrees clockwise
 domImage.alpha = 0.2; // Set transparency to 50%
 domImage.blendMode = BLEND_MODES.NORMAL; // Ensure transparency does not sum up
 // Add a glow effect to the 'Dom' image
-tween(domImage, {
-	alpha: 0.2
-}, {
-	duration: 1000,
-	yoyo: true,
-	repeat: Infinity
-});
+var glowDuration = 1000;
+var glowDirection = 1;
+var glowStartTime = Date.now();
+var glowInterval = LK.setInterval(function () {
+	var elapsed = Date.now() - glowStartTime;
+	var progress = elapsed % glowDuration / glowDuration;
+	if (progress >= 1) {
+		glowDirection *= -1;
+	}
+	domImage.alpha = 0.2 + 0.8 * progress * glowDirection;
+}, 16);
 // Add image 'niz' to the bottom of the screen
 var niz = game.addChild(LK.getAsset('NIZ', {
 	anchorX: 0.5,
 	// Center horizontally
@@ -518,12 +538,12 @@
 		}
 	});
 }, 1500);
 game.down = function (x, y, obj) {};
-var character = game.addChild(new Player());
-character.x = character.width / 2 + 200; // Position character 200 units to the right of the center left of the screen
-character.y = 2732 / 2 - 250; // Move character 150 units down
-character.rotation = Math.PI / 12; // Set initial rotation to 15 degrees clockwise
+var player = game.addChild(new Player());
+player.x = player.width / 2 + 200; // Position player 200 units to the right of the center left of the screen
+player.y = 2732 / 2 - 250; // Move player 150 units down
+player.rotation = Math.PI / 12; // Set initial rotation to 15 degrees clockwise
 // Add background to the game
 var background = game.addChild(LK.getAsset('background_1', {
 	anchorX: 0.5,
 	anchorY: 0.5
@@ -592,17 +612,17 @@
 		return;
 	}
 	buttonTop.interactive = true;
 	buttonBot.interactive = true;
-	// Update lastY and lastX for character
-	character.lastY = character.y;
-	character.lastX = character.x;
+	// Update lastY and lastX for player
+	player.lastY = player.y;
+	player.lastX = player.x;
 	game.children.forEach(function (child) {
-		if (child !== character && child !== buttonTop && child !== buttonBot && child !== uskorenie) {
+		if (child !== player && child !== buttonTop && child !== buttonBot && child !== uskorenie) {
 			// Check for intersection with prep or prepf objects
-			if ((prepImages.includes(child.assetId) || prepFImages.includes(child.assetId)) && character.intersects(child)) {
-				LK.effects.flashScreen(0xff0000, 1000); // Flash screen red for 1 second
-				LK.showGameOver(); // Trigger game over
+			if ((prepImages.includes(child.assetId) || prepFImages.includes(child.assetId)) && player.intersects(child)) {
+				LK.setScore(LK.getScore() + 1); // Increment score
+				scoreText.setText(LK.getScore().toString()); // Update score display
 			}
 			if (child === domImage) {
 				if (child.lastX === undefined) {
 					child.lastX = child.x;
@@ -630,21 +650,21 @@
 				// If the image is completely off the screen
 				child.destroy(); // Remove the image
 			}
 		}
-		game.setChildIndex(character, game.children.length - 1); // Move character to the top
+		game.setChildIndex(player, game.children.length - 1); // Move player to the top
 		game.setChildIndex(buttonBot, game.children.length - 1); // Ensure buttonBot is on top
 		game.setChildIndex(buttonTop, game.children.length - 1); // Ensure buttonTop is on top
 	});
-	// Add shaking effect to the character
+	// Add shaking effect to the player
 	if (gameStarted) {
 		if (LK.ticks < 130) {
 			// Strong shake for the first second (assuming 60 FPS)
-			character.x = character.lastX + Math.sin(LK.ticks / 0.5) * 10;
-			character.y = character.lastY + Math.cos(LK.ticks / 0.5) * 10;
+			player.x = player.lastX + Math.sin(LK.ticks / 0.5) * 10;
+			player.y = player.lastY + Math.cos(LK.ticks / 0.5) * 10;
 		} else {
-			character.x = character.lastX + Math.sin(LK.ticks / 0.5) * 3;
-			character.y = character.lastY + Math.cos(LK.ticks / 0.5) * 3;
+			player.x = player.lastX + Math.sin(LK.ticks / 0.5) * 3;
+			player.y = player.lastY + Math.cos(LK.ticks / 0.5) * 3;
 		}
 		if (vzriv && vzriv.parent) {
 			vzriv.destroy();
 		}