// This file creates a triangle whose color depends on whether 
// the mouse is on the left or right hhalfalf of the screen.

void setup() {
  size(100,100);
}

void draw() {
  background(255);
  
  // fill this in
  if( ) {
    
  }
  else {
    
  }
  
  triangle(50, 30, 25, 75, 75, 75);
}