/**** * Classes ****/ // Define a class for bullets var Bullet = Container.expand(function () { var self = Container.call(this); var bulletGraphics = self.attachAsset('bullet', { anchorX: 0.5, anchorY: 0.5 }); self.speed = -15; self.update = function () { self.y += self.speed; if (self.y < 0) { self.destroy(); } }; }); // 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 = 5; self.update = function () { self.y += self.speed; if (self.y > 2732) { self.y = 0; self.x = Math.random() * 2048; } }; }); //<Assets used in the game will automatically appear here> //<Write imports for supported plugins 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, scaleX: 2, // scale player bigger scaleY: 2 // scale player bigger }); self.speed = 10; self.update = function () { // Player update logic }; }); /**** * Initialize Game ****/ var game = new LK.Game({ backgroundColor: 0x000000 //Init game with black background }); /**** * Game Code ****/ // Initialize player var player = game.addChild(new Player()); player.x = 1024; player.y = 2500; // Initialize enemies var enemies = []; for (var i = 0; i < 5; i++) { var enemy = new Enemy(); enemy.x = Math.random() * 2048; enemy.y = Math.random() * 1000; enemies.push(enemy); game.addChild(enemy); } // Initialize bullets var bullets = []; // Handle player movement game.move = function (x, y, obj) { player.x = x; player.y = y; }; // Handle shooting game.down = function (x, y, obj) { var bullet = new Bullet(); bullet.x = player.x; bullet.y = player.y; bullets.push(bullet); game.addChild(bullet); }; // Update game state game.update = function () { // Update enemies for (var i = 0; i < enemies.length; i++) { enemies[i].update(); } // Update bullets for (var j = bullets.length - 1; j >= 0; j--) { bullets[j].update(); if (bullets[j].y < 0) { bullets.splice(j, 1); } } // Check for collisions for (var k = bullets.length - 1; k >= 0; k--) { for (var l = enemies.length - 1; l >= 0; l--) { if (bullets[k].intersects(enemies[l])) { bullets[k].destroy(); enemies[l].destroy(); bullets.splice(k, 1); enemies.splice(l, 1); break; } } } };
===================================================================
--- original.js
+++ change.js
@@ -1,113 +1,116 @@
-/****
+/****
* Classes
-****/
+****/
// Define a class for bullets
var Bullet = Container.expand(function () {
- var self = Container.call(this);
- var bulletGraphics = self.attachAsset('bullet', {
- anchorX: 0.5,
- anchorY: 0.5
- });
- self.speed = -15;
- self.update = function () {
- self.y += self.speed;
- if (self.y < 0) {
- self.destroy();
- }
- };
+ var self = Container.call(this);
+ var bulletGraphics = self.attachAsset('bullet', {
+ anchorX: 0.5,
+ anchorY: 0.5
+ });
+ self.speed = -15;
+ self.update = function () {
+ self.y += self.speed;
+ if (self.y < 0) {
+ self.destroy();
+ }
+ };
});
// 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 = 5;
- self.update = function () {
- self.y += self.speed;
- if (self.y > 2732) {
- self.y = 0;
- self.x = Math.random() * 2048;
- }
- };
+ var self = Container.call(this);
+ var enemyGraphics = self.attachAsset('enemy', {
+ anchorX: 0.5,
+ anchorY: 0.5
+ });
+ self.speed = 5;
+ self.update = function () {
+ self.y += self.speed;
+ if (self.y > 2732) {
+ self.y = 0;
+ self.x = Math.random() * 2048;
+ }
+ };
});
//<Assets used in the game will automatically appear here>
//<Write imports for supported plugins 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 = 10;
- self.update = function () {
- // Player update logic
- };
+ var self = Container.call(this);
+ var playerGraphics = self.attachAsset('player', {
+ anchorX: 0.5,
+ anchorY: 0.5,
+ scaleX: 2,
+ // scale player bigger
+ scaleY: 2 // scale player bigger
+ });
+ self.speed = 10;
+ self.update = function () {
+ // Player update logic
+ };
});
-/****
+/****
* Initialize Game
-****/
+****/
var game = new LK.Game({
- backgroundColor: 0x000000 //Init game with black background
+ backgroundColor: 0x000000 //Init game with black background
});
-/****
+/****
* Game Code
-****/
+****/
// Initialize player
var player = game.addChild(new Player());
player.x = 1024;
player.y = 2500;
// Initialize enemies
var enemies = [];
for (var i = 0; i < 5; i++) {
- var enemy = new Enemy();
- enemy.x = Math.random() * 2048;
- enemy.y = Math.random() * 1000;
- enemies.push(enemy);
- game.addChild(enemy);
+ var enemy = new Enemy();
+ enemy.x = Math.random() * 2048;
+ enemy.y = Math.random() * 1000;
+ enemies.push(enemy);
+ game.addChild(enemy);
}
// Initialize bullets
var bullets = [];
// Handle player movement
game.move = function (x, y, obj) {
- player.x = x;
- player.y = y;
+ player.x = x;
+ player.y = y;
};
// Handle shooting
game.down = function (x, y, obj) {
- var bullet = new Bullet();
- bullet.x = player.x;
- bullet.y = player.y;
- bullets.push(bullet);
- game.addChild(bullet);
+ var bullet = new Bullet();
+ bullet.x = player.x;
+ bullet.y = player.y;
+ bullets.push(bullet);
+ game.addChild(bullet);
};
// Update game state
game.update = function () {
- // Update enemies
- for (var i = 0; i < enemies.length; i++) {
- enemies[i].update();
- }
- // Update bullets
- for (var j = bullets.length - 1; j >= 0; j--) {
- bullets[j].update();
- if (bullets[j].y < 0) {
- bullets.splice(j, 1);
- }
- }
- // Check for collisions
- for (var k = bullets.length - 1; k >= 0; k--) {
- for (var l = enemies.length - 1; l >= 0; l--) {
- if (bullets[k].intersects(enemies[l])) {
- bullets[k].destroy();
- enemies[l].destroy();
- bullets.splice(k, 1);
- enemies.splice(l, 1);
- break;
- }
- }
- }
+ // Update enemies
+ for (var i = 0; i < enemies.length; i++) {
+ enemies[i].update();
+ }
+ // Update bullets
+ for (var j = bullets.length - 1; j >= 0; j--) {
+ bullets[j].update();
+ if (bullets[j].y < 0) {
+ bullets.splice(j, 1);
+ }
+ }
+ // Check for collisions
+ for (var k = bullets.length - 1; k >= 0; k--) {
+ for (var l = enemies.length - 1; l >= 0; l--) {
+ if (bullets[k].intersects(enemies[l])) {
+ bullets[k].destroy();
+ enemies[l].destroy();
+ bullets.splice(k, 1);
+ enemies.splice(l, 1);
+ break;
+ }
+ }
+ }
};
\ No newline at end of file
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