example of how to use a mouse click to throw a switch using a boolean variable

switch sketch.pde

/* Switch Sketch
Steve Lambert
*/
 
 // declare boolean variable
  boolean switchstatus = false;

int circleWidth = 30;

void setup(){
 size(500,500);
 background(0);
}

void draw(){ 
  
  
  // Conditional colors
  if(switchstatus == true){
    fill(255,0,0); // red
  } else {
    fill(255); // white
  }
  
  // Draw the circle
  background(0); //make it black!
  // make a circle that wont go away
  noStroke();
//  fill(255);
  ellipse(mouseX,mouseY,circleWidth,circleWidth);
  ellipse(mouseX-(circleWidth*1.5),mouseY,circleWidth*.75,circleWidth*.75);

  println("Switch is: " + switchstatus);

  
  

} //draw

void mouseReleased(){
     switchstatus = !switchstatus; 
}