//global variables used
float r=random(255);
float g=random(255);
float b=random(255);
int x=mouseX;
int y=mouseY;

void setup(){
  size(1200,800);
  background(0);
  frameRate(15);//how many times program runs through draw in a second
  smooth();
}

void draw() {
  stroke(r,g,b, 127);
  fill(0,0,255);
  line(0,0,mouseX,mouseY);
  line(width,0,mouseX,mouseY);
  if(mouseX < width/2){
    ellipse(mouseX,mouseY,10,10);
  }
  else{
    rect(mouseX,mouseY,10,10);
  }
  noFill();
  curve(100, 100, 340, 400, 400, 600, mouseX, 620);
}