Created
April 1, 2017 17:45
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| var vines = []; | |
| function setup() { | |
| createCanvas(500, 600); | |
| background(0); | |
| vines.push(new Vine(width / 2, 500, 0.02, 5)); | |
| } | |
| function draw() { | |
| background(0); | |
| push(); | |
| blendMode(ADD); | |
| for (var i = 0; i < vines.length; i++) { | |
| var v = vines[i]; | |
| v.display(); | |
| } | |
| pop(); | |
| } | |
| "use strict"; | |
| class Vine { | |
| constructor(x, l, freqAdj, maxDia) { | |
| this.pos = createVector(x, 0); | |
| this.vineLength = l; | |
| this.resolution = 3; | |
| this.freqAdj = freqAdj; | |
| this.maxDia = maxDia; | |
| this.sinAmp = 0; | |
| this.sinFreq = 0; | |
| this.sinValue = 0; | |
| } | |
| updateAmpValue() { | |
| var freq = frameCount * this.freqAdj; | |
| var amp = map(mouseY, 0, height, 0, 50); | |
| this.sinAmp = sin(freq) * amp; | |
| } | |
| updateFreqValue() { | |
| var freq = frameCount * this.freqAdj; | |
| var amp = 0.01; | |
| this.sinFreq = sin(freq) * amp; | |
| } | |
| updateMainValue(y) { | |
| var freq = y * this.sinFreq; | |
| this.sinValue = sin(freq) * this.sinAmp; | |
| } | |
| display() { | |
| push(); | |
| translate(this.pos.x, 0); | |
| noStroke(); | |
| fill(150, 255, 30, 60); | |
| for (var y = 0; y < this.vineLength; y += this.resolution) { | |
| this.updateAmpValue(); | |
| this.updateFreqValue(); | |
| this.updateMainValue(y); | |
| var dia = random(1, this.maxDia); | |
| ellipse(this.sinValue, y, dia, dia); | |
| } | |
| pop(); | |
| } | |
| } | |
| // | |
| <!DOCTYPE html> | |
| <html> | |
| <head> | |
| <meta charset="UTF-8"> | |
| <title>midterm-vine</title> | |
| <script src="libraries/p5.js" type="text/javascript"></script> | |
| <script src="libraries/p5.dom.js" type="text/javascript"></script> | |
| <script src="libraries/p5.sound.js" type="text/javascript"></script> | |
| <script src="sketch.js" type="text/javascript"></script> | |
| <script src="Vine.js" type="text/javascript"></script> | |
| <style> body {padding: 0; margin: 0;} canvas {vertical-align: top;} </style> | |
| </head> | |
| <body> | |
| </body> | |
| </html> |
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