char currentkey = '1';

color bgc = color(255);

void setup() {

size(600, 600);

background(255);
smooth();
}

void draw() {

if(keyPressed) {
clear_print(); 
}

if(mousePressed) {
  drawChoice(); 
}
}


void drawChoice() {
 

 char currentkey = key;
   
switch(currentkey) {
case '1': 
  println("1");  // red line
  drawline(color(165,57,60), mouseX, mouseY, pmouseX, pmouseY); 
  break;
case '2': 
  println("2");  // blue line
  drawline(color(35,62,115), mouseX, mouseY, pmouseX, pmouseY);
  break;
case '3': 
  println("2");  // green line
  drawline(color(75,183,73), mouseX, mouseY, pmouseX, pmouseY);
  break;
  case '4': 
  println("2");  // black line
  drawline(color(17,17,17), mouseX, mouseY, pmouseX, pmouseY);
  break;
 
case '5': 
  println("2");  // orange line
  drawline(color(233,146,50), mouseX, mouseY, pmouseX, pmouseY);
  break;
case '6': 
  println("2");  // erase with bg color
  eraser(bgc,mouseX, mouseY,25);
  break;
default:             
  println("None");   
  break;   
}
  
}

void drawline(color k, int lx,int ly, int px,int py) {
 strokeWeight(5);
  stroke(k);
  line(lx, ly, px, py); 
}



void eraser(color k,int lx,int ly,int sz) {
  stroke(k);
  ellipse(lx, ly, sz,sz); 
}


void clear_print() {


  if (key == 'x' || key == 'X') {
   for (int i = 0; i < 100; i++) {
 background(random(-50, 50));
 
}
  } else if (key == 'p' || key == 'P') {
     saveFrame("project1_####.png");
    delay(500);
  
 
}

}