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