Code refactoring, Inheritance and Polymorphism

float butterflyWidth=100; //diameter of "wing" arc, plus width of rect. body int numButterflies=5; int space=10; int score; ArrayList<Butterfly> butterflies = new ArrayList<Butterfly>(); PFont font; void setup() { size(800, 600); for (int i=0; i<numButterflies; i++) { addNewButterfly(); } //add two BossButterfly instance to the ArrayList along inclusion polymorphism for (int i=0; i < 2; i++) { float bx= random(butterflyWidth/2, width-butterflyWidth/2); float by= random(butterflyWidth/2, height-butterflyWidth/2); butterflies.add(new BossButterfly(bx, by, random(-5, 5), random(-5, 5))); font=loadFont("ComicSansMS-Bold-48.vlw"); textFont(font); textSize(30); } void addNewButterfly() { int bx=(int)random(butterflyWidth/2, width-butterflyWidth/2); int by=(int)random(butterflyWidth/2, height-butterflyWidth/2); butterflies.add(new Butterfly(bx, by, (int)random(-5, 5), (int)random(-5, 5))); } void draw() { fill(120, 120, 255, 50); rect(0, 0, width, height); for (int i=0; i<butterflies.size(); i++) { Butterfly currButterfly = butterflies.get(i); currButterfly.update(); if (mousePressed && dist(mouseX, mouseY, currButterfly.x, currButterfly.y) < butterflyWidth/2) { if (currButterfly.captured()) score++; } } drawScore(); if (butterflies.size()<10&&frameCount%60==0) { addNewButterfly(); } } void drawScore() { if (score > 0) { fill(0); text("Congratulations you've captured "+score+" butterflies!", 80, 50); } }