54

float y =0;
float angle = 0;
float amplitude = 5;
float waveGap = 2;
float frequency = 5;

void setup(){
size(400,400);
background(255);
noFill();
frameRate(30);
}

void draw(){
if(y < height){
float py =0;
for(int i =0; i < width; i ++){
py = y + sin(radians(angle))*amplitude;
point(i,py);
angle += frequency;
}
y += waveGap;
}
}

void mousePressed(){
save("54.jpg");
}