react-animation

npx shadcn@latest add https://reactbits.dev/r/<Component>-TS-CSS

const ElegantScene: React.FC = () => {
  const frame = useCurrentFrame();
  const { fps } = useVideoConfig();
  
  return (
    <AbsoluteFill>
      <Aurora time={frame / fps} colorStops={['#3A29FF', '#FF94B4', '#FF3232']} />
      <BlurText text="Elegant Title" startFrame={15} />
    </AbsoluteFill>
  );
};

const TechScene: React.FC = () => (
  <AbsoluteFill style={{ background: '#000' }}>
    <Iridescence mouseReact={false} color={[0.3, 0.1, 0.8]} speed={1} />
    <GlitchText speed={0.5} enableShadows enableOnHover={false}>
      FUTURE IS NOW
    </GlitchText>
  </AbsoluteFill>
);

const LuxuryScene: React.FC = () => (
  <AbsoluteFill style={{ background: '#0a0a0a' }}>
    <Silk speed={0.5} color="#1a1a2e" />
    <StarBorder color="#gold" speed="4s">
      <ShinyText text="PREMIUM" color="#c9b037" shineColor="#fff" />
    </StarBorder>
  </AbsoluteFill>
);

const RetroScene: React.FC = () => (
  <AbsoluteFill style={{ background: '#000' }}>
    <LetterGlitch glitchSpeed={100} glitchColors={['#0f0', '#00ff41']} />
    <GlitchText>SYSTEM OVERRIDE</GlitchText>
  </AbsoluteFill>
);

const DramaticScene: React.FC = () => (
  <AbsoluteFill>
    <Lightning hue={45} intensity={0.8} speed={2} />
    <BlurText text="THUNDER STRIKE" />
  </AbsoluteFill>
);

const SceneWithGrain: React.FC = () => {
  const frame = useCurrentFrame();
  const { width, height } = useVideoConfig();
  const canvasRef = useRef<HTMLCanvasElement>(null);
  
  useEffect(() => {
    const ctx = canvasRef.current?.getContext('2d');
    if (!ctx || frame % 2 !== 0) return;
    
    const imageData = ctx.createImageData(width, height);
    for (let i = 0; i < imageData.data.length; i += 4) {
      const seed = frame * 100000 + i / 4;
      const val = Math.floor((Math.sin(seed) * 10000 % 1) * 255);
      imageData.data[i] = imageData.data[i + 1] = imageData.data[i + 2] = val;
      imageData.data[i + 3] = 15;
    }
    ctx.putImageData(imageData, 0, 0);
  }, [frame]);
  
  return (
    <>
      <YourScene />
      <canvas ref={canvasRef} style={{ position: 'absolute', inset: 0, pointerEvents: 'none' }} />
    </>
  );
};

import { useCurrentFrame, useVideoConfig, interpolate, Easing } from 'remotion';

// Before: time accumulation
// After: deterministic from frame
const frame = useCurrentFrame();
const { fps } = useVideoConfig();
const progress = interpolate(frame, [0, 30], [0, 1], {
  easing: Easing.out(Easing.cubic),
  extrapolateLeft: 'clamp',
  extrapolateRight: 'clamp',
});

function seededRandom(seed: number): number {
  const x = Math.sin(seed) * 10000;
  return x - Math.floor(x);
}

const rand = seededRandom(frame * 1000 + index);

// Time uniform
uniforms.iTime.value = frame / fps;

// Scripted mouse path (optional)
uniforms.iMouse.value.set(
  0.5 + 0.3 * Math.sin(frame / fps),
  0.5 + 0.2 * Math.cos(frame / fps * 0.7)
);