//Dave Bunnell Lab9 arrays
//Dynamic Tinkertoys

// Declare two arrays with 10 elements.
int[] xpos = new int[21]; 
int[] ypos = new int[21];
int pressedCount=0;
//set a variable to count mouse presses
float r;
float g;
float b;
float a;

float diam;

void setup() {
  size(1200,700);
  frameRate(10);
  
   // Initialize all elements of each array to zero.
  for (int i = 0; i < xpos.length; i ++ ) {
    xpos[i] = 0; 
    ypos[i] = 0;
  }
}//end of setup

void mousePressed() {

 xpos[pressedCount] = mouseX; 
    ypos[pressedCount] = mouseY;
             if(pressedCount<20) 
      pressedCount=pressedCount+1;
      else pressedCount=0;
}
void draw() {
  background(0,255,0);
  
// Draw the lines
  for (int i = 0; i < pressedCount-1; i ++ ) 
  {
     stroke(0,0,255,70);
     strokeWeight(pressedCount);
   line(xpos[i],ypos[i],xpos[i+1],ypos[i+1]);
  
 if (mouseButton==LEFT) {
       fill(255,0,0);   // pretty red  
       diam = pressedCount + 5;   // Make it look like red tinkertoy connectors
     }

   if (mouseButton==RIGHT)
  {
     r= random(0,255);
   g= random(0,255);
    b= random(0,255);
   a= random(0,255);
   diam= random(0,60);
   fill(r,g,b,a);
 }
 
   ellipse(xpos[i],ypos[i],diam,diam);  
  println("mouse button is " + mouseButton);
  }
}//end of Draw