# Apply wind force on this code

Here is the code and Id apply wind force instead of friction,

``````int NrDisks = 120;
float Gravity   = 0.03;
float Fri  = -0.9;
Disk[] disks    = new Disk[NrDisks];

void setup() {
size(700, 700);
for (int i = 0; i < NrDisks; i++) {
disks [i] = new Disk(-random(height ), -random(width)/2, random(20, 20), i, disks );
}
noStroke();
fill(255, 204);
}

void draw() {
background(0);
for (Disk disk : disks ) {
disk.move();
disk.display();
}
}

class Disk {
float r = random(255);
float g = random(255);
float b = random(255);

float posx, posy;
float diameter;
float velx = -2;
float vely = 2;
int id;
Disk[] others;

Disk(float xin, float yin, float d, int idin, Disk[] oin) {
posx = xin;
posy = yin;
diameter = d;
id = idin;
others = oin;
}

void move() {
vely += Gravity;
posx -= velx;
posy += vely;

if (diameter/2 > width) {
posx = width - diameter/2;
velx *=  Fri;
} else if (posy - diameter > height) {
posy = height - diameter;
vely *=  Fri;
}
}

void display() {
fill(r, g, b);
ellipse(posx, posy, diameter, diameter);
}
}

``````

Same for all the posts you made, but you have to format the code with `</>` button in the editor

thanks, I just made the edit, is is it working now ?

yes but the indentation is gone you can ctrl+t (or command+t) in the the Processing IDE (not forum) to format the code and then paste it here again.

Regarding the question, do you have â€śequationsâ€ť of how a wind force is calculated?

1 Like

I just edited as requested, hope it works

Hello,

`:)`