ArrayList<PointPosition> pointPosition = new ArrayList();
boolean alternate = false;
int width = 540,
height = 540,
threshold = 135;
float minLength = width/22+randomNormal();
int[] directions = {
(width*-1)-1,
(width*-1)+1,
width+1,
width-1
};
void settings(){
size(width,height);
}
void setup(){
background(0);
startScatter(180);
}
void draw(){
fill(0,5);
noStroke();
rect(0,0,width,height);
stroke(255,10);
float a = 0;
for(PointPosition p:pointPosition){
p.a += TAU/3;
p.tpos.x += sin(p.a*randomNormal())*randomNormal(); //tan(p.a);
p.tpos.y += cos(p.a/randomNormal())*randomNormal();
p.update();
p.render();
if (frameCount%5==0) {
minLength = width/22+randomNormal();
}
for (PointPosition b:pointPosition){
float pDist = dist(p.pos.x,p.pos.y,b.pos.x,b.pos.y);
if (pDist < minLength) {
float cr = int(randomNormal()*255), //map(b.pos.x,0,width,0,255),
cg = int(randomNormal()*255), //map(b.pos.y+p.pos.y,0,height*2,0,255),
cb = int(randomNormal()*255); //map(p.pos.x,0,width,255,0);
fill(cr,cg,cb,4);
stroke(cr,cg,cb,100);
pDist = pDist/2;
bezier(b.pos.x,b.pos.y,b.pos.x+cos(p.a)*pDist,b.pos.y+sin(p.a)*pDist,p.pos.x+cos(-p.a)*pDist,p.pos.y+sin(-p.a)*pDist,p.pos.x,p.pos.y);
}
}
}
alterPixels();
filter(BLUR);
}
class PointPosition {
PVector pos = new PVector();
PVector tpos = new PVector();
int index;
float a;
void update(){
pos.lerp(tpos,0.01);
}
void render(){
noStroke();
ellipse(pos.x,pos.y,width/24,width/24);
}
}
void alterPixels(){
loadPixels();
for (int k=width+1; k<pixels.length-width-1; k++) {
int pModifier = directions[int(random(directions.length))];
if (brightness(pixels[k]) == threshold) {
pixels[k] = pixels[k] << int(randomNormal());
pixels[k] = pixels[k] >> int(map(randomNormal(),0,1,-1,1));
} else if (brightness(pixels[k]) > threshold) {
pixels[k] = pixels[k+pModifier];
} else {
//
}
}
updatePixels();
threshold = setThreshold(threshold,25,254);
}
float randomNormal() {
float x = 1.0, y = 1.0, s = 2.0;
while (s >= 1.0) {
x = random(-1.0f, 1.0f);
y = random(-1.0f, 1.0f);
s = x*x + y*y;
}
return x * sqrt(-2.0f * log(s)/s);
}
int setThreshold(int threshold, int minThreshold, int maxThreshold) {
if (threshold <= maxThreshold && threshold >= minThreshold && alternate) {
threshold++;
} else if (threshold <= maxThreshold && threshold >= minThreshold) {
threshold–;
} else if (alternate) {
threshold = maxThreshold;
alternate = !alternate;
} else {
threshold = minThreshold;
alternate = !alternate;
}
return threshold;
}
void startScatter(int count){
float a = 0;
int c = 0,
r = 0,
d = int(sqrt(count));
for (int i=0; i<count; i++) {
PointPosition p = new PointPosition();
p.index = i;
p.a = a;
a += TAU/(count/4);
p.pos.x = width/6 + r * (width/3*2)/d;
p.pos.y = height/6 + c * (height/3*2)/d;
p.tpos.x = p.pos.x;
p.tpos.y = p.pos.y;
//
r++;
if (r > d) {
r = 0;
c++;
}
//
pointPosition.add(p);
}
}
andulkaphoto
kianamaiart
jbbartram-illu
