/**** * Classes ****/ // Assets will be automatically created and loaded by the LK engine based on usage in the game code. // Player's Bullet var Bullet = Container.expand(function () { var self = Container.call(this); var bulletGraphics = self.attachAsset('bullet', { anchorX: 0.5, anchorY: 0.5 }); self.speed = 10; self.update = function () { self.y -= self.speed; if (self.y < 0) { self.destroy(); } }; }); // Target var Target = Container.expand(function () { var self = Container.call(this); var targetGraphics = self.attachAsset('target', { anchorX: 0.5, anchorY: 0.5 }); self.update = function () { // Targets just float in space, could add movement or other behaviors here }; }); /**** * Initialize Game ****/ var game = new LK.Game({ backgroundColor: 0x000000 // Initialize game with a black background }); /**** * Game Code ****/ var bullets = []; var targets = []; var score = 0; // Create a target at a random position function spawnTarget() { var target = new Target(); target.x = Math.random() * 2048; target.y = 0; game.addChild(target); targets.push(target); } // Check for bullet collisions with targets function checkCollisions() { bullets.forEach(function (bullet, bulletIndex) { targets.forEach(function (target, targetIndex) { if (bullet.intersects(target)) { bullet.destroy(); target.destroy(); bullets.splice(bulletIndex, 1); targets.splice(targetIndex, 1); score += 1; LK.effects.flashObject(target, 0xff0000, 500); // Flash target red on hit } }); }); } // Shoot a bullet from the bottom center of the screen function shoot(x, y) { var bullet = new Bullet(); bullet.x = x; bullet.y = 2732; // Start from the bottom of the screen game.addChild(bullet); bullets.push(bullet); } // Game update function game.update = function () { if (LK.ticks % 120 == 0) { // Spawn a target every 2 seconds spawnTarget(); } checkCollisions(); }; // Touch event to shoot game.down = function (x, y, obj) { shoot(x, y); }; // Initialize a few targets for (var i = 0; i < 5; i++) { spawnTarget(); }
===================================================================
--- original.js
+++ change.js
@@ -1,91 +1,91 @@
-/****
+/****
* Classes
-****/
+****/
// Assets will be automatically created and loaded by the LK engine based on usage in the game code.
// Player's Bullet
var Bullet = Container.expand(function () {
- var self = Container.call(this);
- var bulletGraphics = self.attachAsset('bullet', {
- anchorX: 0.5,
- anchorY: 0.5
- });
- self.speed = 10;
- 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 = 10;
+ self.update = function () {
+ self.y -= self.speed;
+ if (self.y < 0) {
+ self.destroy();
+ }
+ };
});
// Target
var Target = Container.expand(function () {
- var self = Container.call(this);
- var targetGraphics = self.attachAsset('target', {
- anchorX: 0.5,
- anchorY: 0.5
- });
- self.update = function () {
- // Targets just float in space, could add movement or other behaviors here
- };
+ var self = Container.call(this);
+ var targetGraphics = self.attachAsset('target', {
+ anchorX: 0.5,
+ anchorY: 0.5
+ });
+ self.update = function () {
+ // Targets just float in space, could add movement or other behaviors here
+ };
});
-/****
+/****
* Initialize Game
-****/
+****/
var game = new LK.Game({
- backgroundColor: 0x000000 // Initialize game with a black background
+ backgroundColor: 0x000000 // Initialize game with a black background
});
-/****
+/****
* Game Code
-****/
+****/
var bullets = [];
var targets = [];
var score = 0;
// Create a target at a random position
function spawnTarget() {
- var target = new Target();
- target.x = Math.random() * 2048;
- target.y = Math.random() * 2732;
- game.addChild(target);
- targets.push(target);
+ var target = new Target();
+ target.x = Math.random() * 2048;
+ target.y = 0;
+ game.addChild(target);
+ targets.push(target);
}
// Check for bullet collisions with targets
function checkCollisions() {
- bullets.forEach(function (bullet, bulletIndex) {
- targets.forEach(function (target, targetIndex) {
- if (bullet.intersects(target)) {
- bullet.destroy();
- target.destroy();
- bullets.splice(bulletIndex, 1);
- targets.splice(targetIndex, 1);
- score += 1;
- LK.effects.flashObject(target, 0xff0000, 500); // Flash target red on hit
- }
- });
- });
+ bullets.forEach(function (bullet, bulletIndex) {
+ targets.forEach(function (target, targetIndex) {
+ if (bullet.intersects(target)) {
+ bullet.destroy();
+ target.destroy();
+ bullets.splice(bulletIndex, 1);
+ targets.splice(targetIndex, 1);
+ score += 1;
+ LK.effects.flashObject(target, 0xff0000, 500); // Flash target red on hit
+ }
+ });
+ });
}
// Shoot a bullet from the bottom center of the screen
function shoot(x, y) {
- var bullet = new Bullet();
- bullet.x = x;
- bullet.y = 2732; // Start from the bottom of the screen
- game.addChild(bullet);
- bullets.push(bullet);
+ var bullet = new Bullet();
+ bullet.x = x;
+ bullet.y = 2732; // Start from the bottom of the screen
+ game.addChild(bullet);
+ bullets.push(bullet);
}
// Game update function
game.update = function () {
- if (LK.ticks % 120 == 0) {
- // Spawn a target every 2 seconds
- spawnTarget();
- }
- checkCollisions();
+ if (LK.ticks % 120 == 0) {
+ // Spawn a target every 2 seconds
+ spawnTarget();
+ }
+ checkCollisions();
};
// Touch event to shoot
game.down = function (x, y, obj) {
- shoot(x, y);
+ shoot(x, y);
};
// Initialize a few targets
for (var i = 0; i < 5; i++) {
- spawnTarget();
+ spawnTarget();
}
\ No newline at end of file