robot with red eyes using variables.pde

/*
Robot with Red Eyes using variables
 Steve Lambert
 Originally written sometime in 2012
 */

// robotWidth is the width of the robot body
int robotWidth = 200;
// xPos and yPos are the x and y coordinates of the center of the robot
int xPos = 300;
int yPos = 150;
// Change any of the above and see what happens.

void setup() {
  size(600, 300);
  smooth();
  background(240);
  rectMode(CENTER);
} // done with setup


void draw() {

  background(240);


  // Note that all the sizes are relative multiples of robotWidth, this is 
  // so they'll adjust to various sizes.

  // body and arms
  fill(200); // make it grey
  rect(xPos, yPos, robotWidth, robotWidth*.6); 
  ellipse(xPos-robotWidth*.6, yPos-robotWidth*.1, robotWidth*.2, robotWidth*.2);
  ellipse(xPos+robotWidth*.6, yPos-robotWidth*.1, robotWidth*.2, robotWidth*.2);

  // legs
  float legStart = xPos-robotWidth*.3;
  // The two legs are created with this for loop.
  for (int i=0; i<2; i++) {
    rect(legStart, yPos+robotWidth*.4, robotWidth*.2, robotWidth*.2);
    legStart = legStart+robotWidth*.6;
  }


  // head
  rect(xPos, yPos-robotWidth*.45, robotWidth*.8, robotWidth*.3); // head is 40x15

  // mouth
  fill(255);
  rect(xPos, yPos-robotWidth*.37, robotWidth*.4, robotWidth*.06);


  // eyes
  if (mousePressed == true) {
    fill(255, 0, 0); // make the eyes red
  } else {
    fill(255); // make the eyes white
  }
  ellipse(xPos-robotWidth*.18, yPos-robotWidth*.49, robotWidth*.1, robotWidth*.1);
  ellipse(xPos+robotWidth*.18, yPos-robotWidth*.49, robotWidth*.1, robotWidth*.1);
}