int MAX = 40;


float a = 0.0; 
float b = 0.0;

int mode = 0;

void setup() { 
  size(800,200);
  smooth();
  background(0,0,255);

 // colors[i] = color(random(255));
 background(color(random(0), random(0), random(255), random(70)));

  stroke(color(random(255), random(0), random(255), random(70)));
  framerate(30);
}
void draw() {  

    fill(0,5);
  rect(0,0,width,height);
  
  float c = a;
  float d = b;

  for(int i=0; i<800; i=i+2) { 
    float y = 0;
    
    if (mode == 0) {
      y = sin(c)*mouseX*0.2 + cos(d)*mouseY;
    } else if (mode == 1) {
      y = tan(c)*mouseX*0.2;// + cos(d)*mouseY;
    }
    
   // bezier(i, 200, i, i, i, i, 10+y, 10+y); 
    line(i, 100, i, 100+y); 
    c+= 0.2;
    d+= 0.1;
  //  bezier(i, 200, i, i, i, i, i, i+sin(a)*mouseX*0.2); 
   line(i+6, 150, i, 150+sin(a*4)*mouseX*0.2); 
    a++;
  }
  
  a+= 0.10;
  b+= 0.10;


}


void mousePressed() {
  mode = mode + 1;
  if (mode == 2) {
    mode = 0;
  }
}