rpuzonas/nature-of-code
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

complete exercise 1.8

Browse Source
This commit is contained in:
Rokas Puzonas 2024-02-07 23:30:31 +02:00
parent 8e633df16f
commit d33f351f24
2 changed files with 67 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

15
1. Vectors/8. Mouse Attractor/index.html Normal file
View File

@ -0,0 +1,15 @@
<html>
<head>
<script src="https://cdn.jsdelivr.net/npm/p5@1.9.0/lib/p5.js"></script>
<script src="sketch.js"></script>
<style>
body {
background: #212121;
}
</style>
</head>
<body>
<main>
</main>
</body>
</html>

52
1. Vectors/8. Mouse Attractor/sketch.js Normal file
View File

@ -0,0 +1,52 @@
class Walker {
constructor(x = 0, y = 0) {
this.position = createVector(x, y)
this.velocity = createVector(0, 0)
this.accelaration = createVector(0, 0)
}
step() {
let target = createVector(mouseX, mouseY)
let difference = p5.Vector.sub(target, this.position)
this.accelaration = difference.copy()
this.accelaration.setMag(1000/difference.mag())
const dt = deltaTime/1000
this.velocity.add(p5.Vector.mult(this.accelaration, dt))
this.position.add(p5.Vector.mult(this.velocity, dt))
if (this.position.x < 0) {
this.position.x += width
}
if (this.position.x > width) {
this.position.x -= width
}
if (this.position.y < 0) {
this.position.y += height
}
if (this.position.y > height) {
this.position.y -= height
}
}
draw() {
stroke(0)
circle(this.position.x, this.position.y, 20)
}
}
let walker
function setup() {
createCanvas(640, 240)
background(255)
walker = new Walker(width/2, height/2)
}
function draw() {
background(255)
walker.step()
walker.draw()
}