My New Sketch

boolean eraser= false; //set eraser to false

 boolean pen = true; //we want to start with a pen

 boolean ellipses= false; //set ellipses to false

 boolean penred = false;

 boolean penblack = true;

 boolean penblue = false;

 boolean pengreen = false;

 boolean rectangles=false;

 void setup() {  

 size(600, 600);  

 noStroke();  

 rectMode(CENTER); 

 background(255); 

 ellipseMode(CENTER);

 }

 void draw() { 

 colors();

 reset();

 eraser(); 

 pen();

 ellipses();

 sidebar();

 rightbar();

 rectangles();

 title();

 }

 void title(){

   fill(0);

   text("Group 19's Paint Program", 250,30);

 }

 void rightbar(){

   fill(190,190,190); //shows the colour menu

   rect(550,30,100,20);

   fill(255,0,0);

 text("Shape Colours",510,30);

   fill(0); //shows the colour button red

   rect(550,50,100,20);

   fill(255);

 text("Red Colour (1)",510,50);

 fill(0); //shows the colour button black

   rect(550,70,100,20);

   fill(255);

 text("Black Colour (2)",510,70);

 fill(0); //shows the colour button blue

   rect(550,90,100,20);

   fill(255);

 text("Blue Colour (3)",510,90);

 fill(0); //shows the colour button green

   rect(550,110,100,20);

   fill(255);

 text("Green Colour (4)",510,110);

 }

 void colors(){

 if (keyPressed) {  //colour changing system, working barely

   if (key == '1' || key == '1'){

      penred = true;

       penblack = false;

       penblue = false;

       pengreen=false;

   }

   if (key == '2' || key == '2'){

     penblack = true;

     penred = false;

     penblue= false;

     pengreen=false;

   }

   if (key == '3' || key == '3'){

     penblack = false;

     penred = false;

     penblue= true;

     pengreen=false;

 }

 if (key == '4' || key == '4'){

     penblack = false;

     penred = false;

     penblue= false;

     pengreen=true;

 }

 }

 }

 void reset() {

    if (keyPressed) {

      if (key == 'r' || key == 'r') {

      fill(255);

      rect(300,300,width,height);

    }

    }

 }

 void sidebar(){

   fill(190,190,190); //shows the shape menu

   rect(50,30,100,20);

   fill(255,0,0);

 text("Tools",30,30);

   stroke(255);

    fill(0);  //enables the pen indicator

 rect(50,50,100,20);

 fill(255);

 text("Pen (P)",25,50);

 fill(0); //enables the eraser indicator

   rect(50,70,100,20);

   fill(255);

 text("Eraser (E)",25,70);

 fill(0); //enables the reset indicator

   rect(50,90,100,20);

   fill(255);

 text("Reset (R)",25,90);

 fill(0); //enables the ellipses indicator

   rect(50,110,100,20);

   fill(255);

 text("Ellipses (C)",25,110);

 fill(0); //enables the rect indicator

   rect(50,130,100,20);

   fill(255);

 text("Rectangles (S)",20,130);

 }

 void keyPressed(){ //if e is pressed once, enables the eraser and disables pen

   if (key == 'e' || key == 'e') {     

   eraser=true;     

 pen=false;

 ellipses=false; 

rectangles=false; 

 }  

  if (key == 'p' || key == 'p'){ //if p is pressed once, it enables pen and disables eraser   

   eraser=false;   

   pen=true;

    ellipses=false;

    rectangles=false; 

  }

  if (key == 'c' || key == 'c'){ //if p is pressed once, it enables ellipses and disables eraser and pen  

   eraser=false;   

   pen=false;

    ellipses=true;

    rectangles=false; 

 }

 if (key == 's' || key == 's'){ //if p is pressed once, it enables ellipses and disables eraser and pen  

   eraser=false;   

   pen=false;

    ellipses=false;

    rectangles=true; 

 }

 }

 void eraser(){ //the eraser creates a white square when mouse is clicked

 if (eraser == true && pen == false && rectangles==false) {  

 stroke(255);

   fill(255); //tick box deleting the penmode tickbox

   rect(110,45,10,10);

   fill(255); //removing the ellipse tick box

   rect(110,110,10,10);

   fill(255,0,0); //tick box showing you are in eraser

   rect(110,70,10,10);

     fill(255); //tick box deleting the ellipse mode tickbox

   rect(110,135,10,10);

   fill(255); 

 if (mousePressed){ 

   rect(mouseX,mouseY,25,25); 

 }

 }

 }

public void pen(){ //the pen creates a black rectangle to act as a pen tool

   if (pen == true && eraser == false && rectangles==false) {   

 stroke(255);

   fill(255,0,0); //tick box showing you are in pen mode

   rect(110,45,10,10);

   fill(255); //removing the eraser tick box

   rect(110,70,10,10);   

 fill(0);

 fill(255); //removing the ellipse tick box

   rect(110,110,10,10);

     fill(255); //tick box deleting the ellipse mode tickbox

   rect(110,135,10,10);

 if(mousePressed){

 if (penblack == true && penred==false && penblue==false && pengreen==false){

 stroke(0);

 }

 if(penblack ==false && penred == true && penblue==false && pengreen==false){

 stroke(255,0,0);

 }

 if(penblack ==false && penred == false && penblue==true && pengreen==false){

 stroke(0,0,255);

 }

 if(penblack ==false && penred == false && penblue==false && pengreen==true){

 stroke(0,255,0);

 }

 frameRate(50);

 line(mouseX, mouseY, pmouseX, pmouseY);

 }

 }}

​

   void ellipses(){

     if (eraser == false && pen == false && ellipses==true && rectangles==false) {

       fill(255); //removing the eraser tick box

   rect(110,70,10,10);   

 fill(0);

   fill(255); //tick box deleting the penmode tickbox

   rect(110,45,10,10);

   fill(255,0,0); //tick box showing you are in ellipse mode

   rect(110,110,10,10);

     fill(255); //tick box deleting the ellipse mode tickbox

   rect(110,135,10,10);

   if(mousePressed) {  

     if (penblack == true && penred==false && penblue==false && pengreen==false){

       fill(0);

     }

     if(penblack ==false && penred == true && penblue==false && pengreen==false){

       fill(255,0,0);

     }

     if(penblack ==false && penred == false && penblue==true && pengreen==false){

       fill(0,0,255);

     }

      if(penblack ==false && penred == false && penblue==false && pengreen==true){

       fill(0,255,0);

     }

 frameRate(50);

 ellipse(mouseX, mouseY, 50, 50);

   }}}

    void rectangles(){

     if (eraser == false && pen == false && ellipses==false && rectangles==true) {

       fill(255); //removing the eraser tick box

   rect(110,70,10,10);   

 fill(0);

   fill(255); //tick box deleting the penmode tickbox

   rect(110,45,10,10);

   fill(255); //tick box deleting the ellipse mode tickbox

   rect(110,110,10,10);

    fill(255,0,0); //tick box creating the rect mode tickbox

   rect(110,135,10,10);

   if(mousePressed) {  

     if (penblack == true && penred==false && penblue==false && pengreen==false){

       fill(0);

     }

     if(penblack ==false && penred == true && penblue==false && pengreen==false){

       fill(255,0,0);

     }

     if(penblack ==false && penred == false && penblue==true && pengreen==false){

       fill(0,0,255);

     }

      if(penblack ==false && penred == false && penblue==false && pengreen==true){

       fill(0,255,0);

     }

 frameRate(50);

 rect(mouseX, mouseY, 50, 50);

   }}}