Created
November 7, 2016 17:56
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Personal Experimentation of a Mandala Creator
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| <html> | |
| <head> | |
| <meta charset="UTF-8"> | |
| <script src="https://cdnjs.cloudflare.com/ajax/libs/p5.js/0.5.4/p5.js"></script> | |
| <script language="javascript" type="text/javascript"> | |
| var elements = 64; | |
| function setup(){ | |
| //fullScreen(); | |
| createCanvas(960, 500); | |
| background(0); | |
| translate(width/2, height/2); | |
| for(var i = 0; i < elements; i++){ | |
| stroke(200, 30); | |
| var s = TWO_PI/elements*i; | |
| line(cos(s)*2, | |
| sin(s)*2, | |
| cos(s)*width/2, | |
| sin(s)*width/2); | |
| } | |
| } | |
| function draw(){ | |
| translate(width/2, height/2); | |
| var x = mouseX-width/2, y = mouseY-height/2; | |
| if(mouseIsPressed) | |
| { | |
| var c; | |
| var b; | |
| if(mouseButton == LEFT) { | |
| b = 2; | |
| c = color(200, 100); | |
| } | |
| else if (mouseButton == RIGHT){ | |
| b = 2; | |
| c = color(random(255),random(255),random(255), 100); | |
| } | |
| else { | |
| b = 10; | |
| c = color(0); | |
| } | |
| var v = createVector(x, y); | |
| var mag = v.mag(); | |
| var degree = acos(v.normalize().dot(createVector(1,0))); | |
| if(y>0) | |
| degree = TWO_PI-degree; | |
| var offset = degree % (TWO_PI/elements); | |
| for(var i = 0; i < elements; i++){ | |
| fill(c); | |
| noStroke(); | |
| var s; | |
| if(i%2==0) | |
| s = TWO_PI/elements*(i+1)-offset; | |
| else | |
| s = TWO_PI/elements*i+offset; | |
| ellipse(cos(s)*mag, sin(s)*mag, b, b); | |
| } | |
| } | |
| } | |
| </script> | |
| <!-- this line removes any default padding and style. you might only need one of these values set. --> | |
| <style> | |
| body { | |
| padding: 0; | |
| margin: 0; | |
| } | |
| </style> | |
| </head> | |
| <body> | |
| </body> | |
| </html> |
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