#javascript-processing-example-basic-math-noise1d.htm / htm
<!DOCTYPE html> <html><head> <script src="javascript-processing-example-processing.js"></script> <script src="javascript-processing-example-init.js"></script> <link rel="stylesheet" href="javascript-processing-example-style.css"> </head><body><h1><a href="http://ejohn.org/blog/processingjs/">Processing.js</a></h1> <h2>Noise1D</h2> <p>Using 1D Perlin Noise to assign location.</p> <p><a href="http://processing.org/learning/basics/noise1d.html"><b>Original Processing.org Example:</b> Noise1D</a><br> <script type="application/processing"> float xoff = 0.0; float xincrement = 0.01; void setup() { size(200,200); background(0); frameRate(30); smooth(); noStroke(); } void draw() { // Create an alpha blended background fill(0, 10); rect(0,0,width,height); //float n = random(0,width); // Try this line instead of noise // Get a noise value based on xoff and scale it according to the window's width float n = noise(xoff)*width; // With each cycle, increment xoff xoff += xincrement; // Draw the ellipse at the value produced by perlin noise fill(200); ellipse(n,height/2,16,16); } </script><canvas width="200" height="200"></canvas></p> <div style="overflow: hidden; height: 0px; width: 0px;"></div> <pre><b>// All Examples Written by <a href="http://reas.com/">Casey Reas</a> and <a href="http://benfry.com/">Ben Fry</a> // unless otherwise stated.</b> float xoff = 0.0; float xincrement = 0.01; void setup() { size(200,200); background(0); frameRate(30); smooth(); noStroke(); } void draw() { // Create an alpha blended background fill(0, 10); rect(0,0,width,height); //float n = random(0,width); // Try this line instead of noise // Get a noise value based on xoff and scale it according to the window's width float n = noise(xoff)*width; // With each cycle, increment xoff xoff += xincrement; // Draw the ellipse at the value produced by perlin noise fill(200); ellipse(n,height/2,16,16); }</pre> </body></html>
(C) Æliens 20/2/2008
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