Created
January 11, 2017 00:52
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p5js Basic animated lines (I Ching)
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| <!DOCTYPE html> | |
| <html> | |
| <head> | |
| <meta charset="utf-8"> | |
| <meta name="viewport" content="width=device-width"> | |
| <title>JS Bin</title> | |
| <script src="https://cdnjs.cloudflare.com/ajax/libs/p5.js/0.5.6/p5.min.js"></script> | |
| <script src="https://cdnjs.cloudflare.com/ajax/libs/p5.js/0.5.6/addons/p5.dom.min.js"></script> | |
| </head> | |
| <body> | |
| <script src="./sketch.js"></script> | |
| </body> | |
| </html> |
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| /* eslint-disable */ | |
| var vectors = []; | |
| var canvasWidth = 800; | |
| var canvasHeight = 600; | |
| var maxVectors = 20; | |
| function setup() { | |
| createCanvas(canvasWidth, canvasHeight); | |
| for (var i = 0; i < maxVectors; i++) { | |
| vectors[i] = new Vector( | |
| random(canvasWidth), | |
| random(canvasHeight), | |
| random(canvasWidth), | |
| random(canvasHeight)); | |
| } | |
| } | |
| function draw() { | |
| background(0); | |
| for (var i = 0; i < vectors.length; i++) { | |
| vectors[i].move(); | |
| vectors[i].display(); | |
| } | |
| } | |
| function Vector(x1, y1, xFinal, yFinal) { | |
| this.x1 = x1; | |
| this.y1 = y1; | |
| this.x2 = x1; | |
| this.y2 = y1; | |
| this.xFinal = xFinal; | |
| this.yFinal = yFinal; | |
| this.display = function() { | |
| stroke(255); | |
| noFill(); | |
| line(this.x1, this.y1, this.x2, this.y2); | |
| } | |
| this.move = function() { | |
| if (frameCount > 800) { | |
| this.x2 = this.xFinal; | |
| this.y2 = this.yFinal; | |
| return; | |
| } | |
| if (this.remainingX() >= 1) { | |
| this.x2 = this.x2 + 1; | |
| } else if (this.remainingX() <= 1) { | |
| this.x2 = this.x2 - 1; | |
| } else { | |
| this.x2 = this.xFinal; | |
| } | |
| if (this.remainingY() >= 1) { | |
| this.y2 = this.y2 + 1; | |
| } else if (this.remainingY() <= 1) { | |
| this.y2 = this.y2 - 1; | |
| } else { | |
| this.y2 = this.yFinal; | |
| } | |
| } | |
| this.remainingX = function() { | |
| return this.xFinal - this.x2 | |
| } | |
| this.remainingY = function() { | |
| return this.yFinal - this.y2 | |
| } | |
| } | |
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