diff --git a/src/css/main.css b/src/css/main.css
new file mode 100644
index 0000000..a9876d3
--- /dev/null
+++ b/src/css/main.css
@@ -0,0 +1,23 @@
+/* Main styles for retro 80s aesthetic */
+:root {
+ --primary-color: #00FF00;
+ --secondary-color: #000080;
+ --background-color: #000000;
+ --text-color: #FFFFFF;
+ --border-color: #00FF00;
+}
+
+* {
+ margin: 0;
+ padding: 0;
+ box-sizing: border-box;
+}
+
+body {
+ font-family: 'Courier New', monospace;
+ background-color: var(--background-color);
+ color: var(--text-color);
+ overflow: hidden;
+ height: 100vh;
+}
+
diff --git a/src/css/screens.css b/src/css/screens.css
new file mode 100644
index 0000000..c5cc933
--- /dev/null
+++ b/src/css/screens.css
@@ -0,0 +1,62 @@
+/* Loading screen styles */
+.loading-screen {
+ display: flex;
+ justify-content: center;
+ align-items: center;
+ height: 100vh;
+ width: 100vw;
+ background-color: var(--background-color);
+ position: relative;
+}
+
+.loading-content {
+ text-align: center;
+ padding: 20px;
+ border: 2px solid var(--border-color);
+ background-color: rgba(0, 0, 0, 0.8);
+}
+
+.logo {
+ margin-bottom: 20px;
+}
+
+.logo-block {
+ width: 40px;
+ height: 40px;
+ background-color: var(--primary-color);
+ margin: 0 auto 5px;
+ display: block;
+}
+
+.logo-text {
+ font-size: 24px;
+ font-weight: bold;
+ color: var(--primary-color);
+ margin-bottom: 15px;
+}
+
+.copyright {
+ font-size: 12px;
+ color: var(--text-color);
+ margin-bottom: 20px;
+}
+
+.loading-bar {
+ width: 200px;
+ height: 20px;
+ background-color: var(--secondary-color);
+ margin: 0 auto 10px;
+ position: relative;
+}
+
+.loading-progress {
+ width: 0%;
+ height: 100%;
+ background-color: var(--primary-color);
+ transition: width 0.3s ease;
+}
+
+.loading-text {
+ font-size: 14px;
+ color: var(--text-color);
+}
diff --git a/src/index.html b/src/index.html
new file mode 100644
index 0000000..9d59bef
--- /dev/null
+++ b/src/index.html
@@ -0,0 +1,29 @@
+
+
+
+
+
+ 3D Flight Simulator - Loading
+
+
+
+
+
+
+
+
(c) 1988 RetroWeb Games
+
+
Loading assets...
+
+
+
+
+
+
diff --git a/src/js/screens/loading.js b/src/js/screens/loading.js
new file mode 100644
index 0000000..8082946
--- /dev/null
+++ b/src/js/screens/loading.js
@@ -0,0 +1,100 @@
+/**
+ * Loading screen functionality for WINGS88 3D Flight Simulator
+ */
+
+class LoadingScreen {
+ constructor() {
+ this.progress = 0;
+ this.assets = [
+ 'texture1.png',
+ 'texture2.png',
+ 'sound1.mp3',
+ 'sound2.mp3',
+ 'model1.obj',
+ 'model2.obj'
+ ];
+ this.audioContext = null;
+ this.audioBuffer = null;
+ }
+
+ init() {
+ this.setupEventListeners();
+ this.startLoading();
+ this.initAudio();
+ }
+
+ setupEventListeners() {
+ document.addEventListener('DOMContentLoaded', () => {
+ this.init();
+ });
+ }
+
+ startLoading() {
+ const progressBar = document.querySelector('.loading-progress');
+ const loadingText = document.querySelector('.loading-text');
+
+ const interval = setInterval(() => {
+ this.progress += 5;
+ if (progressBar) progressBar.style.width = `${this.progress}%`;
+
+ if (this.progress >= 100) {
+ clearInterval(interval);
+ if (loadingText) loadingText.textContent = 'Loading complete! Starting game...';
+ setTimeout(() => {
+ this.transitionToIntro();
+ }, 1000);
+ }
+ }, 200);
+ }
+
+ initAudio() {
+ try {
+ // Check if audio is supported
+ if (typeof AudioContext !== 'undefined') {
+ this.audioContext = new AudioContext();
+ this.loadBackgroundMusic();
+ }
+ } catch (e) {
+ console.log('Audio initialization error:', e);
+ }
+ }
+
+ loadBackgroundMusic() {
+ // In a real implementation, this would load actual audio files
+ // For now, we'll simulate loading
+ setTimeout(() => {
+ console.log('Background music loaded');
+ }, 500);
+ }
+
+ playBackgroundMusic() {
+ if (this.audioContext && this.audioBuffer) {
+ const source = this.audioContext.createBufferSource();
+ source.buffer = this.audioBuffer;
+ source.connect(this.audioContext.destination);
+ source.start(0);
+ }
+ }
+
+ transitionToIntro() {
+ // In a real implementation, this would transition to the intro screen
+ console.log('Transitioning to intro screen');
+ // For now, we'll just log the transition
+ document.querySelector('.loading-text').textContent = 'Welcome to WINGS88!';
+ }
+
+ getProgress() {
+ return this.progress;
+ }
+}
+
+// Initialize loading screen when DOM is ready
+document.addEventListener('DOMContentLoaded', () => {
+ const loadingScreen = new LoadingScreen();
+ loadingScreen.init();
+});
+
+// Export for testing
+if (typeof module !== 'undefined' && module.exports) {
+ module.exports = LoadingScreen;
+}
diff --git a/tests/unit/loading.test.js b/tests/unit/loading.test.js
new file mode 100644
index 0000000..cb4bc39
--- /dev/null
+++ b/tests/unit/loading.test.js
@@ -0,0 +1,46 @@
+/**
+ * Unit tests for LoadingScreen class
+ */
+
+const LoadingScreen = require('../../src/js/screens/loading');
+
+describe('LoadingScreen', () => {
+ let loadingScreen;
+
+ beforeEach(() => {
+ loadingScreen = new LoadingScreen();
+ });
+
+ describe('constructor', () => {
+ it('should initialize with progress 0', () => {
+ expect(loadingScreen.getProgress()).toBe(0);
+ });
+
+ it('should have assets array', () => {
+ expect(loadingScreen.assets).toBeDefined();
+ expect(Array.isArray(loadingScreen.assets)).toBe(true);
+ expect(loadingScreen.assets.length).toBeGreaterThan(0);
+ });
+ });
+
+ describe('getProgress', () => {
+ it('should return current progress', () => {
+ expect(loadingScreen.getProgress()).toBe(0);
+
+ // Simulate progress update
+ loadingScreen.progress = 50;
+ expect(loadingScreen.getProgress()).toBe(50);
+ });
+ });
+
+ describe('asset loading', () => {
+ it('should have expected assets', () => {
+ expect(loadingScreen.assets).toContain('texture1.png');
+ expect(loadingScreen.assets).toContain('texture2.png');
+ expect(loadingScreen.assets).toContain('sound1.mp3');
+ expect(loadingScreen.assets).toContain('sound2.mp3');
+ expect(loadingScreen.assets).toContain('model1.obj');
+ expect(loadingScreen.assets).toContain('model2.obj');
+ });
+ });
+});