lightswind
Version:
A professionally designed animate react component library & templates market that brings together functionality, accessibility, and beautiful aesthetics for modern applications.
111 lines (104 loc) • 4.24 kB
JavaScript
"use client";
import { jsx as _jsx, jsxs as _jsxs } from "react/jsx-runtime";
import { useEffect, useRef } from "react";
const vertexShaderSource = `
attribute vec4 a_position;
void main() {
gl_Position = a_position;
}
`;
const fragmentShaderSource = `
precision mediump float;
uniform vec2 iResolution;
uniform float iTime;
void mainImage(out vec4 fragColor, in vec2 fragCoord) {
vec2 uv = (2.0 * fragCoord - iResolution.xy) / min(iResolution.x, iResolution.y);
for(float i = 1.0; i < 8.0; i++) {
uv.y += i * 0.1 / i *
sin(uv.x * i * i + iTime * 0.5) * sin(uv.y * i * i + iTime * 0.5);
}
vec3 col;
col.r = uv.y - 0.1;
col.g = uv.y + 0.3;
col.b = uv.y + 0.95;
fragColor = vec4(col, 1.0);
}
void main() {
mainImage(gl_FragColor, gl_FragCoord.xy);
}
`;
const blurClassMap = {
none: "backdrop-blur-none",
sm: "backdrop-blur-sm",
md: "backdrop-blur-md",
lg: "backdrop-blur-lg",
xl: "backdrop-blur-xl",
"2xl": "backdrop-blur-2xl",
"3xl": "backdrop-blur-3xl",
};
function WaveBackground({ backdropBlurAmount = "sm", className = "", }) {
const canvasRef = useRef(null);
useEffect(() => {
const canvas = canvasRef.current;
if (!canvas)
return;
const gl = canvas.getContext("webgl");
if (!gl) {
console.error("WebGL not supported");
return;
}
const compileShader = (type, source) => {
const shader = gl.createShader(type);
if (!shader)
return null;
gl.shaderSource(shader, source);
gl.compileShader(shader);
if (!gl.getShaderParameter(shader, gl.COMPILE_STATUS)) {
console.error("Shader compilation error:", gl.getShaderInfoLog(shader));
gl.deleteShader(shader);
return null;
}
return shader;
};
const vertexShader = compileShader(gl.VERTEX_SHADER, vertexShaderSource);
const fragmentShader = compileShader(gl.FRAGMENT_SHADER, fragmentShaderSource);
if (!vertexShader || !fragmentShader)
return;
const program = gl.createProgram();
if (!program)
return;
gl.attachShader(program, vertexShader);
gl.attachShader(program, fragmentShader);
gl.linkProgram(program);
if (!gl.getProgramParameter(program, gl.LINK_STATUS)) {
console.error("Program linking error:", gl.getProgramInfoLog(program));
return;
}
gl.useProgram(program);
const positionBuffer = gl.createBuffer();
gl.bindBuffer(gl.ARRAY_BUFFER, positionBuffer);
gl.bufferData(gl.ARRAY_BUFFER, new Float32Array([-1, -1, 1, -1, -1, 1, -1, 1, 1, -1, 1, 1]), gl.STATIC_DRAW);
const positionLocation = gl.getAttribLocation(program, "a_position");
gl.enableVertexAttribArray(positionLocation);
gl.vertexAttribPointer(positionLocation, 2, gl.FLOAT, false, 0, 0);
const iResolutionLocation = gl.getUniformLocation(program, "iResolution");
const iTimeLocation = gl.getUniformLocation(program, "iTime");
let startTime = Date.now();
const render = () => {
const width = canvas.clientWidth;
const height = canvas.clientHeight;
canvas.width = width;
canvas.height = height;
gl.viewport(0, 0, width, height);
const currentTime = (Date.now() - startTime) / 1000;
gl.uniform2f(iResolutionLocation, width, height);
gl.uniform1f(iTimeLocation, currentTime);
gl.drawArrays(gl.TRIANGLES, 0, 6);
requestAnimationFrame(render);
};
render();
}, []);
const finalBlurClass = blurClassMap[backdropBlurAmount] || blurClassMap["sm"];
return (_jsxs("div", { className: `w-full max-w-screen h-full overflow-hidden ${className}`, children: [_jsx("canvas", { ref: canvasRef, className: "absolute inset-0 w-full max-w-screen h-full overflow-hidden", style: { display: "block" } }), _jsx("div", { className: `absolute inset-0 ${finalBlurClass}` })] }));
}
export default WaveBackground;