var scripts=document.getElementsByTagName("script"); for(var i=0;i<scripts.length;i++) { if(scripts[i].type=="application/processing"){ var src=scripts[i].src,canvas=scripts[i].nextSibling; if(src&&src.indexOf("#")){ canvas=document.getElementById(src.substr(src.indexOf("#")+1)); }else{ while(canvas&&canvas.nodeName.toUpperCase()!="CANVAS") canvas=canvas.nextSibling; } if(canvas){ new Processing(canvas,scripts[i].text); } } }
<script type="application/processing"> /* PROCESSINGJS.COM - BASIC EXAMPLE Delayed Mouse Tracking MIT License - Hyper-Metrix.com/F1LT3R Native Processing compatible */ // Global variables float radius = 50.0; int X, Y; int nX, nY; int delay = 16; // Setup the Processing Canvas void setup(){ size( 200, 200 ); strokeWeight( 10 ); frameRate( 15 ); X = width / 2; Y = width / 2; nX = X; nY = Y; } // Main draw loop void draw(){ radius = radius + sin( frameCount / 4 ); // Track circle to new destination X+=(nX-X)/delay; Y+=(nY-Y)/delay; // Fill canvas grey background( 100 ); // Set fill-color to blue fill( 0, 121, 184 ); // Set stroke-color white stroke(255); // Draw circle ellipse( X, Y, radius, radius ); stroke(122); line ( 1,1,100,100); } // Set circle's next destination void mouseMoved(){ nX = mouseX; nY = mouseY; } </script> <canvas width="200px" height="200px"></canvas>