// Declaring Variables.  

// Starting "time"  
float t = 0.0;
float y;

// Variables
float r = 100;
float g = 100;
float b = 100;

void setup() {
  size(720,600);        
 

  smooth();
  colorMode(RGB,100);
}

void draw() {
  
  background(r,g,b);  // background 
  // time;
    t +=0.01;
    float x =t;
  
  //lines
    for (int i = 0; i<=width; i++) {
    float y = noise(x)*height;
    point(i*10,y);
    x += 0.05;
     } 
 
     
     
  
  

//COLORS
// R
    // If the mouse is on the right side of the screen is equivalent to 
  // "if mouseX is greater than width divided by 2."
  if(mouseX > width/2) {
    r = r + 0.5; 
  } else {
    r = r - 0.5;
  }

  // If r is greater than 255, set it back to 255.  
  // If r is less than 0, set it back to 0.
  if (r > 100) {
    r = 100; 
  } else if (r < 0) {
    r = 0; 
  }
  
  
   if(mouseY < height/2) {
    r = r + 0.5; 
  } else {
    r = r - 0.5;
  }

  // If r is greater than 255, set it back to 255.  
  // If r is less than 0, set it back to 0.
  if (r > 100) {
    r = 100; 
  } else if (r < 0) {
    r = 0; 
  }
  // G
  
   if(mouseX < width/2) {
    g = g + 0.05; 
  } else {
    g = g - 0.05;
  }

  // If r is greater than 255, set it back to 255.  
  // If r is less than 0, set it back to 0.
  if (g > 100) {
    g = 100; 
  } else if (r < 0) {
    g = 0; 
  }
  
    if(mouseX > width/2) {
    g = g - 0.05; 
  } else {
    g = g + 0.05;
  }

  // If r is greater than 255, set it back to 255.  
  // If r is less than 0, set it back to 0.
  if (g > 100) {
    g = 100; 
  } else if (r < 0) {
    g = 0; 
  }
  
   // B
  
   if(mouseY < height/2) {
    b = b + 0.5; 
  } else {
    b = b - 0.5;
  }

  // If r is greater than 255, set it back to 255.  
  // If r is less than 0, set it back to 0.
  if (b > 100) {
    b = 100; 
  } else if (b < 0) {
    b = 0; 
  }


}