97

int xspacing = 8;
int w;
int maxwaves = 4;

float theta = 0.0;
float[] amplitude = new float[maxwaves];
float[] dx = new float[maxwaves];
float[] yvalues;

void setup(){
size(200,200);
frameRate(30);
colorMode(RGB, 255, 255, 255, 100);
smooth();
w = width+16;

for(int i = 0; i < maxwaves; i++){
amplitude[i] = random(10,30);
float period = random(100,400);
dx[i] =(TWO_PI/period)*xspacing;
}
yvalues = new float[w/xspacing];
}

void draw(){
background(0,0,255);
calcWave();
renderWave();
}

void calcWave(){
theta += 0.02;

for(int i = 0; i < yvalues.length; i++){
yvalues[i] = 0;
}

for(int j = 0; j < maxwaves; j++){
float x = theta;
for(int i =0; i < yvalues.length; i++){
if(j%2==0) yvalues[i] += sin(x)*amplitude[j];
else yvalues[i] += cos(x)*amplitude[j];
x+=dx[j];
}
}
}

void renderWave(){
noStroke();
fill(255,50);
ellipseMode(CENTER);
for(int x = 0; x < yvalues.length; x++){
ellipse(x*xspacing, width/2+yvalues[x],30,30);
}
}

void mousePressed(){
save("97.jpg");
}