//charleston bridge drawing starter 
int x1;
int y1= 200; 
int x2 = 150; 
int y2 = y1-120; 
int spacer = 15; 

void setup() {
  size(700,400);
  background(255);
}
 
void draw() {
  background(#33ccff);
  stroke(0);
//first span of bridge 
  for(x1=0; x1 <= 300; x1+=spacer) {
   line(x1, y1, x2, y2); 
  }
//second span of bridge  
  for(x1=350; x1 <= 650; x1+=spacer) { //650 is x1+ width of span
   line(x1, y1, x2+350, y2); 
  }

 //pavement of bridge
  fill(100); 
  rect(0, 200, width, 12);
 
  //line(150, 0, 150, height);
  //line(500, 0, 500, height);
}