music-video-gen/party-cathedral/src/core/animate.js
2025-11-22 14:41:09 +01:00

70 lines
2.2 KiB
JavaScript

import * as THREE from 'three';
import { state } from '../state.js';
import { onResizePostprocessing } from './postprocessing.js';
import { updateScreenEffect } from '../scene/magic-mirror.js'
import sceneFeatureManager from '../scene/SceneFeatureManager.js';
function updateScreenLight() {
if (state.isVideoLoaded && state.screenLight.intensity > 0) {
const pulseTarget = state.originalScreenIntensity + (Math.random() - 0.5) * state.screenIntensityPulse;
state.screenLight.intensity = THREE.MathUtils.lerp(state.screenLight.intensity, pulseTarget, 0.1);
const lightTime = Date.now() * 0.0001;
const radius = 0.01;
const centerX = 0;
const centerY = 1.5;
state.screenLight.position.x = centerX + Math.cos(lightTime) * radius;
state.screenLight.position.y = centerY + Math.sin(lightTime * 1.5) * radius * 0.5; // Slightly different freq for Y
}
}
function updateShaderTime() {
if (state.tvScreen && state.tvScreen.material.uniforms && state.tvScreen.material.uniforms.u_time) {
state.tvScreen.material.uniforms.u_time.value = state.clock.getElapsedTime();
}
}
function updateVideo() {
if (state.videoTexture) {
state.videoTexture.needsUpdate = true;
}
}
// --- Animation Loop ---
let lastTime = -1;
export function animate() {
requestAnimationFrame(animate);
let deltaTime = 0;
if (lastTime !== -1) {
const newTime = state.clock.getElapsedTime();
deltaTime = newTime - lastTime;
lastTime = newTime;
} else {
lastTime = state.clock.getElapsedTime();
}
sceneFeatureManager.update(deltaTime);
state.effectsManager.update();
updateScreenLight();
updateVideo();
updateShaderTime();
updateScreenEffect();
// RENDER!
if (state.composer) {
state.composer.render();
} else {
state.renderer.render(state.scene, state.camera);
}
}
// --- Window Resize Handler ---
export function onWindowResize() {
state.camera.aspect = window.innerWidth / window.innerHeight;
state.camera.updateProjectionMatrix();
state.renderer.setSize(window.innerWidth, window.innerHeight);
onResizePostprocessing();
}