User prompt
Please fix the bug: 'ReferenceError: coins is not defined' in or related to this line: 'for (var i = coins.length - 1; i >= 0; i--) {' Line Number: 96
Code edit (1 edits merged)
Please save this source code
User prompt
increase player jump value
User prompt
increase speed value
Initial prompt
Mario Game
/**** * Classes ****/ // Define a class for coins var Coin = Container.expand(function () { var self = Container.call(this); var coinGraphics = self.attachAsset('coin', { anchorX: 0.5, anchorY: 0.5 }); self.collected = false; self.collect = function () { if (!self.collected) { self.collected = true; self.destroy(); LK.setScore(LK.getScore() + 1); } }; }); // Define a class for enemies var Enemy = Container.expand(function () { var self = Container.call(this); var enemyGraphics = self.attachAsset('enemy', { anchorX: 0.5, anchorY: 0.5 }); self.speed = 2; self.update = function () { self.x -= self.speed; if (self.x < -50) { self.destroy(); } }; }); //<Assets used in the game will automatically appear here> // Define a class for the player character var Player = Container.expand(function () { var self = Container.call(this); var playerGraphics = self.attachAsset('player', { anchorX: 0.5, anchorY: 0.5 }); self.speed = 5; self.jumpHeight = 15; self.isJumping = false; self.velocityY = 0; self.update = function () { if (self.isJumping) { self.y += self.velocityY; self.velocityY += 1; // Gravity effect if (self.y >= 200) { // Ground level self.y = 200; self.isJumping = false; self.velocityY = 0; } } }; self.jump = function () { if (!self.isJumping) { self.isJumping = true; self.velocityY = -self.jumpHeight; } }; }); /**** * Initialize Game ****/ var game = new LK.Game({ backgroundColor: 0x87CEEB // Sky blue background }); /**** * Game Code ****/ // Initialize player var player = game.addChild(new Player()); player.x = 200; player.y = 200; // Initialize coins var coins = []; for (var i = 0; i < 5; i++) { var coin = new Coin(); coin.x = 400 + i * 200; coin.y = 150; coins.push(coin); game.addChild(coin); } // Initialize enemies var enemies = []; var enemySpawnInterval = 100; var enemySpawnCounter = 0; // Handle game updates game.update = function () { player.update(); // Check for coin collection for (var i = coins.length - 1; i >= 0; i--) { if (player.intersects(coins[i])) { coins[i].collect(); coins.splice(i, 1); } } // Spawn enemies enemySpawnCounter++; if (enemySpawnCounter >= enemySpawnInterval) { var enemy = new Enemy(); enemy.x = 2048; enemy.y = 200; enemies.push(enemy); game.addChild(enemy); enemySpawnCounter = 0; } // Update enemies for (var j = enemies.length - 1; j >= 0; j--) { enemies[j].update(); if (player.intersects(enemies[j])) { LK.effects.flashScreen(0xff0000, 1000); LK.showGameOver(); } } }; // Handle player jump game.down = function (x, y, obj) { player.jump(); };
/****
* Classes
****/
// Define a class for coins
var Coin = Container.expand(function () {
var self = Container.call(this);
var coinGraphics = self.attachAsset('coin', {
anchorX: 0.5,
anchorY: 0.5
});
self.collected = false;
self.collect = function () {
if (!self.collected) {
self.collected = true;
self.destroy();
LK.setScore(LK.getScore() + 1);
}
};
});
// Define a class for enemies
var Enemy = Container.expand(function () {
var self = Container.call(this);
var enemyGraphics = self.attachAsset('enemy', {
anchorX: 0.5,
anchorY: 0.5
});
self.speed = 2;
self.update = function () {
self.x -= self.speed;
if (self.x < -50) {
self.destroy();
}
};
});
//<Assets used in the game will automatically appear here>
// Define a class for the player character
var Player = Container.expand(function () {
var self = Container.call(this);
var playerGraphics = self.attachAsset('player', {
anchorX: 0.5,
anchorY: 0.5
});
self.speed = 5;
self.jumpHeight = 15;
self.isJumping = false;
self.velocityY = 0;
self.update = function () {
if (self.isJumping) {
self.y += self.velocityY;
self.velocityY += 1; // Gravity effect
if (self.y >= 200) {
// Ground level
self.y = 200;
self.isJumping = false;
self.velocityY = 0;
}
}
};
self.jump = function () {
if (!self.isJumping) {
self.isJumping = true;
self.velocityY = -self.jumpHeight;
}
};
});
/****
* Initialize Game
****/
var game = new LK.Game({
backgroundColor: 0x87CEEB // Sky blue background
});
/****
* Game Code
****/
// Initialize player
var player = game.addChild(new Player());
player.x = 200;
player.y = 200;
// Initialize coins
var coins = [];
for (var i = 0; i < 5; i++) {
var coin = new Coin();
coin.x = 400 + i * 200;
coin.y = 150;
coins.push(coin);
game.addChild(coin);
}
// Initialize enemies
var enemies = [];
var enemySpawnInterval = 100;
var enemySpawnCounter = 0;
// Handle game updates
game.update = function () {
player.update();
// Check for coin collection
for (var i = coins.length - 1; i >= 0; i--) {
if (player.intersects(coins[i])) {
coins[i].collect();
coins.splice(i, 1);
}
}
// Spawn enemies
enemySpawnCounter++;
if (enemySpawnCounter >= enemySpawnInterval) {
var enemy = new Enemy();
enemy.x = 2048;
enemy.y = 200;
enemies.push(enemy);
game.addChild(enemy);
enemySpawnCounter = 0;
}
// Update enemies
for (var j = enemies.length - 1; j >= 0; j--) {
enemies[j].update();
if (player.intersects(enemies[j])) {
LK.effects.flashScreen(0xff0000, 1000);
LK.showGameOver();
}
}
};
// Handle player jump
game.down = function (x, y, obj) {
player.jump();
};