Code processing: Balles et score

int clicRestant=10;
int [] vitesseX;
int [] vitesseY;
int [] x;
int [] y;
int score=0;
void setup() {
size(500, 500);
frameRate(15);
x=new int [10];
y=new int [10];
vitesseX=new int [10];
vitesseY=new int [10];
for (int i=0;i<10;i++) {
x[i]=(int)random(40, 460);
y[i]=(int)random(40, 460);
vitesseX[i]=(int)random(6, 12);
vitesseY[i]=(int)random(4, 10);
}
}
void draw() {
background(#E88336);
button();balle();
viseur();
score();
tir();
for (int i=0; i<clicRestant; i++) {
rect(450, 300+20*i, 40, 10);
}
rect(450, 10, 40, 20);
}

void balle() {
for (int i=0;i<10;i++) {
ellipse(x[i], y[i], 30, 30);
x[i]=vitesseX[i]+x[i];
y[i]=vitesseY[i]+y[i];

if (x[i]>470) {
vitesseX[i] =-vitesseX[i];
}
if (y[i]>470) {
vitesseY[i]=-vitesseY[i];
}
if (x[i]<30) {
vitesseX[i] =-vitesseX[i];
}
if (y[i]<30) {
vitesseY[i] =-vitesseY[i];
}
}
}

void button() {
if (mousePressed) {
if (mouseX>450) {
if (mouseX<490) {
if (mouseY>10) {
if (mouseY<30) {
clicRestant =10;
}
}
}
}
else
{
if (clicRestant>0) {
clicRestant= clicRestant -1;
}
println(clicRestant);
}
}
}

void score() {
textSize(24);
text("Score= "+ score, 10, 30);
text("Tirs restants= "+ clicRestant, 10, 60);
if(score==10){textSize(34);text("YOU WIN",170,250);}
}
void viseur() {
noCursor();
noFill();
line(mouseX-20, mouseY, mouseX+20, mouseY);
line(mouseX, mouseY-20, mouseX, mouseY+20);
ellipse(mouseX, mouseY, 17, 17);
fill(#4E5DDE);
}
void tir() {
for (int i=0;i<10;i++) {
if (mousePressed) {
if (clicRestant>0) {
if (mouseX<x[i]+30) {
if (mouseY<y[i]+30) {
if (mouseX>x[i]-30) {
if (mouseY>y[i]-30) {
x[i]=9999;
y[i]=9999;
score = score +1;
}
}
}
}
}
}
}
}