Smooth curves

Developer
Alex Permyakov
Size
2,606 Kb
Views
34,408
  1. Smooth curves Previews
  2. Smooth curves HTML Codes
  3. Smooth curves CSS Codes
  4. Smooth curves JS Codes

How do I make an smooth curves?

What is a smooth curves? How do you make a smooth curves? This script and codes were developed by Alex Permyakov on 27 August 2022, Saturday.

Smooth curves Previews
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Smooth curves - Script Codes HTML Codes

<!DOCTYPE html>
<html >
<head> <meta charset="UTF-8"> <title>Smooth curves</title> <style> /* NOTE: The styles were added inline because Prefixfree needs access to your styles and they must be inlined if they are on local disk! */ * { margin: 0; padding: 0;
} </style> <script src="https://cdnjs.cloudflare.com/ajax/libs/prefixfree/1.0.7/prefixfree.min.js"></script>
</head>
<body> <canvas></canvas>
<script id="sv" type="x-shader/x-vertex"> attribute vec4 vPosition; void main (void) { gl_Position = vPosition; } </script>
<script id="sf" type="x-shader/x-fragment"> precision mediump float; uniform float time; uniform vec2 resolution; void main(void) { vec2 q = gl_FragCoord.xy / resolution.xy; vec2 p = -1.0 + 2.0 * q; p.x *= resolution.x / resolution.y; float v = p.x + cos(time + p.y); vec3 col = vec3(0.1 * max(0.0, p.y), 0.1 * max(0.0, p.x), 0.2 * max(0.0, p.x)) / abs(v * 2.0); gl_FragColor = vec4(col, 1.0); }
</script> <script src="js/index.js"></script>
</body>
</html>

Smooth curves - Script Codes CSS Codes

* { margin: 0; padding: 0;
}

Smooth curves - Script Codes JS Codes

var canvas = document.querySelector('canvas'); canvas.width = window.innerWidth; canvas.height = window.innerHeight; var ut, st = Date.now(); function initShaders (gl, vertexShaderId, fragmentShaderId) { var vertexEl = document.querySelector(vertexShaderId); var vertexShader = gl.createShader(gl.VERTEX_SHADER); gl.shaderSource(vertexShader, vertexEl.text); gl.compileShader(vertexShader); if (!gl.getShaderParameter(vertexShader, gl.COMPILE_STATUS) ) { debugger } var fragmentEl = document.querySelector(fragmentShaderId); var fragmentShader = gl.createShader(gl.FRAGMENT_SHADER); gl.shaderSource(fragmentShader, fragmentEl.text); gl.compileShader(fragmentShader); if (!gl.getShaderParameter(fragmentShader, gl.COMPILE_STATUS)) { debugger } var program = gl.createProgram(); gl.attachShader(program, vertexShader); gl.attachShader(program, fragmentShader); gl.linkProgram(program); gl.useProgram(program); return program; } function initGraphics () { gl = canvas.getContext('webgl'); var width = canvas.width; var height = canvas.height; gl.viewport(0, 0, width, height); var program = initShaders(gl, '#sv', '#sf'); var buffer = gl.createBuffer(); gl.bindBuffer(gl.ARRAY_BUFFER, buffer); gl.bufferData( gl.ARRAY_BUFFER, new Float32Array([-1, 1, -1, -1, 1, -1, 1, 1]), gl.STATIC_DRAW ); var vPosition = gl.getAttribLocation(program, 'vPosition'); gl.vertexAttribPointer(vPosition, 2, gl.FLOAT, false, 0, 0); gl.enableVertexAttribArray(vPosition); ut = gl.getUniformLocation(program, 'time'); var resolution = new Float32Array([canvas.width, canvas.height]); gl.uniform2fv(gl.getUniformLocation(program, 'resolution'), resolution); } function render () { gl.uniform1f(ut, (Date.now() - st) / 1000); gl.drawArrays(gl.TRIANGLE_FAN, 0, 4); requestAnimationFrame(render); } initGraphics(); render();
Smooth curves - Script Codes
Smooth curves - Script Codes
Home Page Home
Developer Alex Permyakov
Username alexdevp
Uploaded August 27, 2022
Rating 4.5
Size 2,606 Kb
Views 34,408
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