//arte generativo dia 19
//Lápices de colores
float ang=1, radio[], px[], py[], pz[], aleat[], vcol, rx;
int part = 500 ;
int s = second();
void setup() {
size(1600, 800, P3D);
background(230);
px = new float[part];
py = new float[part];
pz = new float[part];
aleat = new float[part];
radio = new float[part];
smooth();
vcol=random(20);
for (int i=0; i<part; i++) {
px[i] = random(500);
py[i] = random(500);
aleat[i] = random(-90, 90);
radio[i]+=i*0.99;
}
rx=random(250, 300);
}
void draw() {
rotateX(degrees(70));
translate(0, -rx, -rx);
stroke((1+sin(vcol))*100, (1+cos(vcol*0.7))*100, (1.3+sin(vcol))*100, 50);
strokeWeight(1);
pushMatrix();
translate(width/2, height/2);
for (int i=0;i<part;i++) {
point(px[i], py[i], pz[i]);
px[i]=cos(ang*aleat[i])*radio[i]+noise(50);
py[i]=sin(-ang*aleat[i])*radio[i];
pz[i]=pz[i]+sin(60);
pz[i]+=0.001;
radio[i]+=0.05;
if (pz[i]<-600) {
pz[i]=0;
ang=1;
rx=random(250, 300);
vcol=random(20);
radio[i]+=0.1;
}
}
popMatrix();
ang+=0.001;
vcol+=0.01;
}
