From 5040da28e3561168ecd5c355091d707cf4115dee Mon Sep 17 00:00:00 2001
From: Natasha Moongrave <natasha@256phi.eu>
Date: Sun, 22 Mar 2026 22:50:26 +0100
Subject: Moved the background JavaScript code from . to src/Background

---
 src/Background/main.js | 82 ++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 82 insertions(+)
 create mode 100644 src/Background/main.js

(limited to 'src/Background/main.js')

diff --git a/src/Background/main.js b/src/Background/main.js
new file mode 100644
index 0000000..2fc398b
--- /dev/null
+++ b/src/Background/main.js
@@ -0,0 +1,82 @@
+import * as THREE from 'https://unpkg.com/three@0.160.0/build/three.module.js';
+import { createSun } from './sun.js';
+import { createMountains } from './mountains.js';
+
+// Scene setup
+const scene = new THREE.Scene();
+scene.background = new THREE.Color(0x090012);
+scene.fog = new THREE.Fog(0x090012, 20, 120);
+
+const camera = new THREE.PerspectiveCamera(
+  60,
+  window.innerWidth / window.innerHeight,
+  0.1,
+  500
+);
+camera.position.set(0, 2, 15);
+camera.rotation.x = -0.1;
+
+const renderer = new THREE.WebGLRenderer({
+  canvas: document.getElementById('bg'),
+  antialias: true
+});
+renderer.setSize(window.innerWidth, window.innerHeight);
+renderer.setPixelRatio(Math.min(window.devicePixelRatio, 1.5));
+
+// Grid
+const size = 200;
+const divisions = 200;
+const grid = new THREE.GridHelper(size, divisions, 0xff00ff, 0xff00ff);
+grid.material.transparent = true;
+grid.material.opacity = 0.4;
+scene.add(grid);
+
+// --- Occlusion floor (invisible) ---
+const floorGeometry = new THREE.PlaneGeometry(size, size);
+const floorMaterial = new THREE.MeshBasicMaterial({
+    color: 0x090012,   // matches background
+    opacity: 0.5,        // invisible
+    transparent: true
+});
+const floor = new THREE.Mesh(floorGeometry, floorMaterial);
+floor.rotation.x = -Math.PI / 2; // horizontal
+floor.position.y = 0;             // same height as grid
+scene.add(floor);
+
+// Sun
+const { sun, glow } = createSun();
+scene.add(sun);
+scene.add(glow);
+
+let scroll = 0;
+let sunAngle = 0;
+
+// Mountains
+const mountains = createMountains();
+scene.add(mountains);
+
+// Animation function
+function animate() {
+  scroll += 0.05;
+  grid.position.z = scroll % 10;
+
+  renderer.render(scene, camera);
+}
+
+// Start loop with pause/resume on tab visibility
+renderer.setAnimationLoop(animate);
+
+document.addEventListener('visibilitychange', () => {
+  if (document.hidden) {
+    renderer.setAnimationLoop(null);
+  } else {
+    renderer.setAnimationLoop(animate);
+  }
+});
+
+// Handle window resize
+window.addEventListener('resize', () => {
+  camera.aspect = window.innerWidth / window.innerHeight;
+  camera.updateProjectionMatrix();
+  renderer.setSize(window.innerWidth, window.innerHeight);
+});
-- 
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