chore(workspace): add gitea repository url to all packages

components/home/hero-webgl/Landscape.tsx

@@ -0,0 +1,61 @@
+import React, { useMemo } from 'react';
+import * as THREE from 'three';
+import { createNoise2D } from 'simplex-noise';
+import { getTerrainHeight } from './math';
+
+export const Landscape: React.FC<{ seed: number }> = ({ seed }) => {
+    const geometry = useMemo(() => {
+        // Generate a very large plane with many segments
+        const size = 1200;
+        const segments = 128;
+        const geo = new THREE.PlaneGeometry(size, size, segments, segments);
+        geo.rotateX(-Math.PI / 2); // Lay flat on XZ plane
+
+        const pos = geo.attributes.position;
+        const vertex = new THREE.Vector3();
+
+        // Recreate same noise instance the Generator used
+        let rSeed = seed;
+        const rng = () => {
+            const x = Math.sin(rSeed++) * 10000;
+            return x - Math.floor(x);
+        };
+        const noise2D = createNoise2D(() => rng());
+
+        for (let i = 0; i < pos.count; i++) {
+            vertex.fromBufferAttribute(pos, i);
+
+            // Main height from the math utility so objects match exactly
+            const h = getTerrainHeight(noise2D, vertex.x, vertex.z);
+
+            // Curve down massively at edges to form a "planet" horizon
+            // If we are at dist R from center, we drop it down smoothly.
+            const dist = Math.sqrt(vertex.x * vertex.x + vertex.z * vertex.z);
+            const edgeRadius = 400;
+            let drop = 0;
+            if (dist > edgeRadius) {
+                // Drop quadratically beyond edgeRadius
+                const d = dist - edgeRadius;
+                drop = (d * d) * 0.05;
+            }
+
+            pos.setY(i, h - drop);
+        }
+
+        geo.computeVertexNormals();
+        return geo;
+    }, [seed]);
+
+    return (
+        <mesh geometry={geometry} receiveShadow>
+            <meshStandardMaterial
+                color="#081830" // Dark blueish surface
+                roughness={0.9}
+                metalness={0.1}
+                wireframe={false}
+            />
+        </mesh>
+    );
+};
+
+export default Landscape;