Created
June 12, 2018 19:17
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let movers = []; | |
let movingPoint; | |
function setup() { | |
createCanvas(1000, 1000); | |
randomPoint = createVector(random(width), random(height)); | |
for (var i = 0; i < 200; i++) { | |
movers.push(new Mover()); | |
} | |
background(0); | |
} | |
let t = 0; | |
let counter = 0; | |
function draw() { | |
movingPoint = createVector(width/2 + Math.sin(3*t)*1000, height/2 + Math.cos(t)*1000); | |
movers.map(m => m.step()); | |
movers.map(m => m.render()); | |
t += 0.01; | |
counter += 1; | |
if (counter > 1000) { | |
noLoop(); | |
} | |
} | |
class Mover { | |
constructor() { | |
let phi = random(0, 2*PI); | |
// this.location = createVector(random(width), random(height)); | |
let r = width*2; | |
this.location = createVector(width/2 + Math.sin(phi) * r, height/2 + Math.cos(phi)*r); | |
this.velocity = createVector(0,0); | |
//this.acceleration = createVector(0,0); | |
this.topSpeed = 10; | |
this.color = createVector(random(0,255), random(0,255), random(0, 255)); | |
} | |
render() { | |
stroke(0, 100); | |
fill(this.color.x, this.color.y, this.color.z, 150); | |
ellipse(this.location.x, this.location.y, 20, 20); | |
} | |
step() { | |
let mouse = movingPoint; | |
let direction = p5.Vector.sub(mouse, this.location); | |
direction.normalize(); | |
direction.mult(0.5); | |
this.acceleration = direction; | |
this.velocity.add(this.acceleration); | |
this.velocity.limit(this.topSpeed); | |
this.location.add(this.velocity); | |
} | |
} |
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