minecraft-cloneandClaude
1049253d54
- Weltgenerierung: FBM-Terrain, 3 Biome (Plains/Wald/Wüste), Höhlen, Wasser, Bäume - Blöcke: Grass, Dirt, Stein, Sand, Holz, Blätter, Wasser (+Bedrock) - Interaktion: DDA-Voxel-Raycast, Abbauen (LMB) & Setzen (RMB), Hotbar 1-6 - Spieler: First-Person, Gravitation, AABB-Kollision, Springen, Fly-Mode (F) - Engine: Chunk-Streaming (16x16x64), Face-Culling, opaker+transparenter Pass - Stack: Three.js + simplex-noise via CDN, prozedurale Texturen, kein Build-Step Co-Authored-By: Claude <noreply@anthropic.com>
31 lines
930 B
JavaScript
31 lines
930 B
JavaScript
// Seeded PRNG (mulberry32) + deterministische Hashes fuer Weltgenerierung
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// mulberry32: erzeugt aus einem 32-bit Seed eine PRNG-Funktion in [0,1)
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export function mulberry32(seed) {
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let a = seed >>> 0;
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return function () {
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a |= 0;
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a = (a + 0x6d2b79f5) | 0;
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let t = Math.imul(a ^ (a >>> 15), 1 | a);
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t = (t + Math.imul(t ^ (t >>> 7), 61 | t)) ^ t;
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return ((t ^ (t >>> 14)) >>> 0) / 4294967296;
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};
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}
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// Hash aus String -> 32-bit unsigned (fuer Seed-Eingabe)
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export function hashSeed(str) {
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let h = 2166136261 >>> 0;
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for (let i = 0; i < str.length; i++) {
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h ^= str.charCodeAt(i);
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h = Math.imul(h, 16777619);
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}
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return h >>> 0;
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}
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// Deterministische 2D-Hash -> [0,1), fuer Baum-Platzierung etc.
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export function hash2(x, z) {
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let h = Math.imul(x | 0, 374761393) ^ Math.imul(z | 0, 668265263);
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h = Math.imul(h ^ (h >>> 13), 1274126177);
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return ((h ^ (h >>> 16)) >>> 0) / 4294967296;
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}
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