85

import processing.opengl.*;

int cuantos = 80000;
pelo[] lista;
float[]z = new float[cuantos];
float[]phi = new float[cuantos];
float[] largos = new float[cuantos];
float radio = 200;
float rx = 0;
float ry = 0;

void setup(){
size(1024,768,OPENGL);
radio = height/3.5;

lista = new pelo[cuantos];
for(int i =0; i < cuantos; i++){
lista[i] = new pelo();
}
noiseDetail(3);
}

void draw(){
background(0);
translate(width/2,height/2);

float rxp = ((mouseX-(width/2))*0.005);
float ryp = ((mouseY-(height/2))*0.005);
rx = (rx*0.9)+(rxp*0.1);
ry = (ry*0.9)+(ryp*0.1);
rotateY(rx);
rotateX(ry);
fill(0);
noStroke();
sphere(radio);

for(int i =0; i < cuantos; i++){
lista[i].dibujar();
}
}

void mousePressed(){
save("85.jpg");
}

class pelo{

float z = random(-radio,radio);
float phi = random(TWO_PI);
float largo = random(1.15,1.2);
float theta = asin(z/radio);

void dibujar(){

float off = (noise(millis()*0.0005,sin(phi))-0.5) * 0.3;
float offb = (noise(millis()*0.0007,sin(z) * 0.01)-0.5)*0.3;


float thetaff = theta+off;
float phff = phi+offb;
float x = radio * cos(theta) * cos(phi);
float y = radio * cos(theta) * sin(phi);
float z = radio * sin(theta);
float msx= screenX(x,y,z);
float msy= screenY(x,y,z);

float xo = radio * cos(thetaff) * cos(phff);
float yo = radio * cos(thetaff) * sin(phff);
float zo = radio * sin(thetaff);

float xb = xo * largo;
float yb = yo * largo;
float zb = zo * largo;

beginShape(LINES);
stroke(0);
vertex(x,y,z);
stroke(200,150);
vertex(xb,yb,zb);
endShape();
}
}