Files
peroxy_site/components/R3Background.tsx
Lukas Moungos 9b8b59d4e6
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add Blur
2023-02-24 13:16:50 +01:00

67 lines
1.6 KiB
TypeScript

import { useRef, useMemo } from "react";
import { Canvas, useFrame } from "@react-three/fiber";
import { BufferGeometry, Material, MathUtils, Mesh } from "three";
import { vertexShader } from "./Shaders/Background/vertex";
import { fragmentShader } from "./Shaders/Background/fragment";
const Fragment = () => {
// This reference will give us direct access to the mesh
const meshRef = useRef<Mesh<BufferGeometry, Material | Material[]>>(null);
const uniforms = useMemo(
() => ({
u_intensity: {
value: 1.0,
},
u_time: {
value: 0.0,
},
}),
[]
);
useFrame((state) => {
if (!meshRef.current) {
return;
}
const { clock } = state;
//@ts-ignore
meshRef.current.material.uniforms.u_time.value =
(0.4 * clock.getElapsedTime()) / 5;
//@ts-ignore
meshRef.current.material.uniforms.u_intensity.value = MathUtils.lerp(
//@ts-ignore
meshRef.current.material.uniforms.u_intensity.value,
1.0,
0.02
);
});
return (
<mesh
ref={meshRef}
position={[0, 0, 0]}
rotation={[-Math.PI / 17, Math.PI / 20, 0]}
scale={1.5}
>
<planeGeometry args={[30, 30, 200, 200]} />
<shaderMaterial
fragmentShader={fragmentShader}
vertexShader={vertexShader}
uniforms={uniforms}
wireframe={false}
/>
</mesh>
);
};
export const R3Gradient = () => {
return (
<div className="-z-40 h-screen w-screen fixed bg-black opacity-60 top-0 left-0 blur">
<Canvas camera={{ position: [0.0, 0.0, 5.0] }}>
<Fragment />
</Canvas>
</div>
);
};