From d988d7d1bca3107a60bfaac71b27ffb8d641d547 Mon Sep 17 00:00:00 2001
From: Victor Giers <mail@victorgiers.com>
Date: Wed, 28 May 2025 00:53:08 +0200
Subject: [PATCH] Initial commit (generated by auto-git)

---
 .gitignore |   1 +
 README.md  |   1 +
 index.html | 384 +++++++++++++++++++++++++++++++++++++++++++++++++++++
 3 files changed, 386 insertions(+)
 create mode 100644 .gitignore
 create mode 100644 README.md
 create mode 100644 index.html
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+assets
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diff --git a/README.md b/README.md
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+# Projekt in virtual_interdimensional_spirit_summoner
diff --git a/index.html b/index.html
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+<!DOCTYPE html>
+<html lang="en">
+<head>
+  <meta charset="UTF-8" />
+  <title>Three.js Spirits Szene</title>
+  <script type="importmap">
+  {
+    "imports": {
+      "three":       "https://cdn.jsdelivr.net/npm/three@0.155.0/build/three.module.js",
+      "GLTFLoader":  "https://cdn.jsdelivr.net/npm/three@0.155.0/examples/jsm/loaders/GLTFLoader.js",
+      "DRACOLoader": "https://cdn.jsdelivr.net/npm/three@0.155.0/examples/jsm/loaders/DRACOLoader.js"
+    }
+  }
+  </script>
+  <style>
+    #viewer {
+      position: absolute; top:50%; left:50%;
+      transform: translate(-50%,-50%);
+      width:1200px; height:800px;
+      max-width:100%; max-height:100%;
+      background:#000; border-radius:15px; overflow:hidden;
+    }
+    canvas { display:block; }
+    body { margin:0; overflow:hidden; background:#000; }
+  </style>
+</head>  
+<body> 
+  <div id="viewer"></div>
+  <script type="module">
+    import * as THREE      from 'three';
+    import { GLTFLoader }  from 'GLTFLoader';
+    import { DRACOLoader } from 'DRACOLoader';
+    import { EffectComposer } from 'https://cdn.jsdelivr.net/npm/three@0.155.0/examples/jsm/postprocessing/EffectComposer.js';
+    import { RenderPass }     from 'https://cdn.jsdelivr.net/npm/three@0.155.0/examples/jsm/postprocessing/RenderPass.js';
+    import { ShaderPass }     from 'https://cdn.jsdelivr.net/npm/three@0.155.0/examples/jsm/postprocessing/ShaderPass.js';
+    import { UnrealBloomPass }from 'https://cdn.jsdelivr.net/npm/three@0.155.0/examples/jsm/postprocessing/UnrealBloomPass.js';
+    import { GammaCorrectionShader }    from 'https://cdn.jsdelivr.net/npm/three@0.155.0/examples/jsm/shaders/GammaCorrectionShader.js';
+    import { VignetteShader }           from "https://cdn.jsdelivr.net/npm/three@0.155.0/examples/jsm/shaders/VignetteShader.js";
+
+    // --- Szene / Kamera / Renderer ---
+    const scene = new THREE.Scene();
+    const ASPECT = 3/2, SCALE = 15;
+    const hw = SCALE/2, hh = (SCALE/ASPECT)/2;
+    const camera = new THREE.OrthographicCamera(-hw, hw, hh, -hh, 0.1, 1000);
+    camera.position.set(0, -14.424, 20);
+    camera.rotation.set(THREE.MathUtils.degToRad(55), 0, 0);
+
+    const container = document.getElementById('viewer');
+    const renderer  = new THREE.WebGLRenderer({ antialias:true });
+    renderer.outputColorSpace = THREE.SRGBColorSpace;
+    renderer.shadowMap.enabled = true;
+    renderer.shadowMap.type = THREE.PCFSoftShadowMap;
+    container.appendChild(renderer.domElement);
+
+    // Foliage-Shader
+    const foliageTexture = new THREE.TextureLoader().load('assets/sprites/foliage.png');
+    foliageTexture.colorSpace = THREE.SRGBColorSpace;
+    const FoliageOverlayShader = {
+      uniforms: {
+        'tDiffuse':    { value: null },
+        'tFoliage':    { value: foliageTexture },
+        'opacity':     { value: 1.0 }
+      },
+      vertexShader: `
+        varying vec2 vUv;
+        void main() {
+          vUv = uv;
+          gl_Position = projectionMatrix * modelViewMatrix * vec4(position,1.0);
+        }
+      `,
+      fragmentShader: `
+        uniform sampler2D tDiffuse;
+        uniform sampler2D tFoliage;
+        uniform float opacity;
+        varying vec2 vUv;
+        void main() {
+          vec4 base = texture2D(tDiffuse, vUv);
+          vec4 foliage = texture2D(tFoliage, vUv);
+          gl_FragColor = mix(base, vec4(foliage.rgb, base.a), foliage.a * opacity);
+        }
+      `
+    };
+    const foliageOverlayPass = new ShaderPass(FoliageOverlayShader);
+
+    // Postprocessing
+    const composer = new EffectComposer(renderer);
+    composer.addPass(new RenderPass(scene, camera));
+    composer.addPass(foliageOverlayPass);
+    composer.addPass(new UnrealBloomPass(
+      new THREE.Vector2(container.clientWidth, container.clientHeight),
+      0.8, 0.2, 0.4
+    ));
+    const vignettePass = new ShaderPass(VignetteShader);
+    vignettePass.uniforms['offset'].value = 0.3;
+    vignettePass.uniforms['darkness'].value = 1.35;
+    composer.addPass(vignettePass);
+    composer.addPass(new ShaderPass(GammaCorrectionShader));
+
+    // Resize-Handler
+    function onResize(){
+      const W=container.clientWidth, H=container.clientHeight, winA=W/H;
+      let vw,vh,vx,vy;
+      if(winA>ASPECT){
+        vh=H; vw=H*ASPECT; vx=(W-vw)/2; vy=0;
+      } else {
+        vw=W; vh=W/ASPECT; vx=0; vy=(H-vh)/2;
+      }
+      renderer.setSize(W,H);
+      renderer.setViewport(vx,vy,vw,vh);
+      renderer.setScissor(vx,vy,vw,vh);
+      renderer.setScissorTest(true);
+      renderer.toneMapping = THREE.ACESFilmicToneMapping;
+      renderer.toneMappingExposure = 1.2;
+      renderer.outputColorSpace = THREE.SRGBColorSpace;
+      composer.setSize(W, H);
+      const dpr = window.devicePixelRatio || 1;
+      renderer.setPixelRatio(dpr);
+      composer.setPixelRatio(dpr);
+      camera.updateProjectionMatrix();
+    }
+    window.addEventListener('resize',onResize);
+    onResize();
+
+    // --- HDRI Environment ---
+    const texLoader = new THREE.TextureLoader();
+    const pmremGen  = new THREE.PMREMGenerator(renderer);
+    texLoader.load('assets/hdri/environment.jpg', tex => {
+      const envRT = pmremGen.fromEquirectangular(tex).texture;
+      scene.environment = envRT;
+      scene.background  = envRT;
+      tex.dispose();
+      pmremGen.dispose();
+    });
+
+    // --- Schatten-gebendes Licht ---
+    const sun = new THREE.DirectionalLight(0xFFA230, 2);
+    sun.position.set(21, -25, 30);
+    sun.castShadow = true;
+    sun.shadow.mapSize.width  = 2048;
+    sun.shadow.mapSize.height = 2048;
+    sun.shadow.camera.near    = 1;
+    sun.shadow.camera.far     = 100;
+    sun.shadow.camera.left    = -30;
+    sun.shadow.camera.right   = 30;
+    sun.shadow.camera.top     = 30;
+    sun.shadow.camera.bottom  = -30;
+    scene.add(sun);
+
+    // --- GLTF/DRACO Loader ---
+    const draco      = new DRACOLoader();
+    draco.setDecoderPath('https://www.gstatic.com/draco/versioned/decoders/1.5.6/');
+    const gltfLoader = new GLTFLoader();
+    gltfLoader.setDRACOLoader(draco);
+
+    // --- Spirits automatisch einsammeln ---
+    let spiritModels = [];
+    async function fetchSpirits(){
+      const res = await fetch('assets/models/spirits/');
+      const html = await res.text();
+      const doc  = new DOMParser().parseFromString(html,'text/html');
+      spiritModels = [...doc.querySelectorAll('a')]
+        .map(a => a.getAttribute('href'))
+        .filter(h=>h.endsWith('.glb'))
+        .map(name=>`assets/models/spirits/${name}`);
+    }
+
+    // --- GLBs laden ---
+    async function loadGLB(path, pos, rotDeg, {receiveShadow=false, castShadow=false, emissive=null, visible=true, shadowOnly=false} = {}) {
+      const { scene: obj } = await gltfLoader.loadAsync(path);
+      obj.position.set(pos[0], pos[1], pos[2]);
+      obj.rotation.set(
+        THREE.MathUtils.degToRad(rotDeg[0]),
+        THREE.MathUtils.degToRad(rotDeg[1]),
+        THREE.MathUtils.degToRad(rotDeg[2])
+      );
+      obj.traverse(c => {
+        c.visible = visible;
+        if (c.isMesh) {
+          c.castShadow = castShadow;
+          c.receiveShadow = receiveShadow;
+          if (shadowOnly) c.material = shadowOnlyMaterial;
+          if (emissive && c.material && c.material.isMeshStandardMaterial) {
+            c.material.emissive = new THREE.Color(emissive);
+            c.material.emissiveIntensity = 1.0;
+          }
+        }
+      });
+      scene.add(obj);
+      return obj;
+    }
+
+    // --- Shadow-Only-Material ---
+    const shadowOnlyMaterial = new THREE.MeshBasicMaterial({
+      color: 0x000000,
+      opacity: 0.01,
+      transparent: true,
+      depthWrite: false
+    });
+
+    // --- Variablen für Animation ---
+    let spinnerRed, spinnerBlue, torigate, landscape, shadowTree;
+    const clock     = new THREE.Clock();
+    let   lastSpawn = 0;
+    const SPAWN_INT = 5;
+    const MOVE_SPEED= 1;
+    const spawned   = [];
+
+    // --- Rotierende Lichter um Spinner (nur um Y!) ---
+    const rotatingLights = [];
+    const counterRotatingLights = [];
+    const LIGHT_RADIUS   = 1;
+    for(let i=0;i<3;i++){
+      const L = new THREE.PointLight(0xFFA230, 5, 30);
+      L.castShadow = true;
+      rotatingLights.push(L);
+      scene.add(L);
+
+      const L2 = new THREE.PointLight(0xFFA230, 5, 30);
+      L2.castShadow = true;
+      counterRotatingLights.push(L2);
+      scene.add(L2);
+    }
+
+    // --- Spirit-Klasse ohne Partikel & Sound ---
+    class Spirit {
+      constructor(position) {
+        this.clock = new THREE.Clock();
+        this.grp = new THREE.Group();
+        this.spiritMeshes = [];
+        this.isFading = true;
+        this.grp.position.copy(position);
+        this.grp.position.z -= 0.6;
+        scene.add(this.grp);
+
+        // Laden Spirit-GLB
+        const path = spiritModels[Math.floor(Math.random()*spiritModels.length)];
+        gltfLoader.load(path, ({ scene: s }) => {
+          s.traverse(mesh => {
+            if(mesh.isMesh){
+              mesh.castShadow = true;
+              mesh.receiveShadow = true;
+              mesh.userData.originalMaterial = mesh.material.clone();
+              mesh.material = mesh.material.clone();
+              mesh.material.color.set(0xffffcc);
+              mesh.material.opacity = 0.0;
+              mesh.material.emissive?.set(0xffffcc);
+              mesh.material.emissiveIntensity = 2.0;
+              this.spiritMeshes.push(mesh);
+            }
+          });
+          s.rotation.x = -Math.PI;
+          this.grp.add(s);
+        });
+      }
+
+      update(dt) {
+        const t = this.clock.getElapsedTime();
+        if(this.spiritMeshes && this.isFading){
+          for(const mesh of this.spiritMeshes){
+            if(t < 0.5){
+              mesh.material.opacity = 1;
+              mesh.material.color.lerp(mesh.userData.originalMaterial.color, t/0.5);
+              if(mesh.material.emissive)
+                mesh.material.emissive.lerp(mesh.userData.originalMaterial.emissive || new THREE.Color(0x000000), t/0.5);
+              mesh.material.emissiveIntensity = 2.0 * (1-t/0.5) + (mesh.userData.originalMaterial.emissiveIntensity||1.0)*(t/0.5);
+            } else {
+              mesh.material.opacity = mesh.userData.originalMaterial.opacity ?? 1.0;
+              mesh.material.color.copy(mesh.userData.originalMaterial.color);
+              if(mesh.material.emissive)
+                mesh.material.emissive.copy(mesh.userData.originalMaterial.emissive || new THREE.Color(0x000000));
+              mesh.material.emissiveIntensity = mesh.userData.originalMaterial.emissiveIntensity ?? 1.0;
+              this.isFading = false;
+            }
+          }
+        }
+        this.grp.position.y -= MOVE_SPEED * dt;
+        if (t > 15) {
+          scene.remove(this.grp);
+          return false;
+        }
+        return true;
+      }
+    }
+
+    // --- Spinner (mit Transparenz) ---
+    async function loadSpinner(path, pos, rotDeg, color, opacity) {
+      const { scene: obj } = await gltfLoader.loadAsync(path);
+      obj.position.set(...pos);
+      obj.rotation.set(
+        THREE.MathUtils.degToRad(rotDeg[0]),
+        THREE.MathUtils.degToRad(rotDeg[1]),
+        THREE.MathUtils.degToRad(rotDeg[2])
+      );
+      obj.traverse(c => {
+        c.visible = true;
+        if (c.isMesh && c.material && c.material.isMeshStandardMaterial) {
+          c.material.transparent = true;
+          c.material.opacity = opacity;
+          c.material.emissive = new THREE.Color(color);
+          c.material.emissiveIntensity = 3.0;
+          c.material.vertexColors = true;
+          c.castShadow = true;
+        }
+      });
+      scene.add(obj);
+      return obj;
+    }
+
+    // --- Haupt-Flow ---
+    (async()=>{
+      await fetchSpirits();
+      landscape = await loadGLB(
+        'assets/models/landscape.glb',
+        [0,0,0], [90,0,0],
+        {receiveShadow:true, castShadow:true}
+      );
+      torigate = await loadGLB(
+        'assets/models/tori.glb',
+        [0,6.59,0.375], [90,0,0],
+        {receiveShadow:true, castShadow:true}
+      );
+      spinnerRed = await loadSpinner(
+        'assets/models/spinner_red.glb', [0,16.55,0.88], [90,0,0], "#ff3333", 0.2
+      );
+      spinnerBlue = await loadSpinner(
+        'assets/models/spinner_blue.glb', [0,16.55,0.88], [90,0,0], "#3380ff", 0.2
+      );
+      shadowTree = await loadGLB(
+        'assets/models/tree_low.glb',
+        [0.0,0.0,0.0], [90,0,0],
+        {receiveShadow:false, castShadow:true, shadowOnly: true}
+      );
+
+      function animate(){
+        const dt = clock.getDelta(), t = clock.getElapsedTime();
+
+        // Spinner Animation
+        const bob = Math.sin(t*1.2)*0.5;
+        const baseY = 16.55 + bob;
+        spinnerRed.position.y = baseY + 0.8;
+        spinnerBlue.position.y = baseY;
+        spinnerRed.rotation.y  -= 1.2 * dt;
+        spinnerBlue.rotation.y += 1.2 * dt;
+
+        // Rotierende Lichter
+        const center = new THREE.Vector3(0, 16.55, 1.5);
+        const lightZ = center.z;
+        for(let i=0; i<rotatingLights.length; i++){
+          const ang = t * 0.8 + i * 2 * Math.PI / 3;
+          rotatingLights[i].position.set(
+            center.x + Math.cos(ang) * LIGHT_RADIUS,
+            center.y + Math.sin(ang) * LIGHT_RADIUS,
+            lightZ
+          );
+        }
+        for(let i=0; i<counterRotatingLights.length; i++){
+          const ang = -t * 0.8 + i * 2 * Math.PI / 3;
+          counterRotatingLights[i].position.set(
+            center.x + Math.cos(ang) * LIGHT_RADIUS,
+            center.y + Math.sin(ang) * LIGHT_RADIUS,
+            lightZ
+          );
+        }
+
+        // Spawn Spirits
+        if (t - lastSpawn > SPAWN_INT) {
+          lastSpawn = t;
+          spawned.push(new Spirit(spinnerRed.position.clone().add(new THREE.Vector3(0,-1.5,0))));
+        }
+
+        // update & cleanup
+        for (let i = spawned.length-1; i >= 0; i--) {
+          if (!spawned[i].update(dt)) spawned.splice(i,1);
+        }
+
+        composer.render(scene, camera);
+        requestAnimationFrame(animate);
+      }
+      animate();
+    })();
+
+  </script>
+</body>
+</html>
\ No newline at end of file
