## Code C

```Ball[] ball = new Ball[15];
int a,b,c; //Abstände der Ebenen

void setup() {
size(1280,1024);
//size(1920,1200);
smooth();
noStroke();
colorMode(HSB,360,100,100,100);

a = 500; //700 Größe der ersten Ebene
b = 400; //600 Größe der zweiten Ebene
c = 40; //60 Lücke

for (int i=0; i < 5; i++) {
ball[i] = new Ball();
//in erster Ebene
ball[i].x = random(ball[i].g1,a-ball[i].g1);
ball[i].y = random(ball[i].g2,height-ball[i].g2);
}

for (int i=5; i < 10; i++) {
ball[i] = new Ball();
//in zweiter Ebene
ball[i].x = random(a+c+ball[i].g1,a+c+b-ball[i].g1);
ball[i].y = random(ball[i].g2,height-ball[i].g2);
}

for (int i=10; i < ball.length; i++) {
ball[i] = new Ball();
//in dritter Ebene
ball[i].x = random(a+c+b+c+ball[i].g1,width-ball[i].g1);
ball[i].y = random(ball[i].g2,height-ball[i].g2);
}
}

void draw() {
background(0);
fill(255);
rect(a,0,c,height);
rect(a+c+b,0,c,height);

for (int i=0; i < 15; i++) {
ball[i].position[0] = ball[i].x-ball[i].g1/2;
ball[i].position[1] = ball[i].x+ball[i].g1/2;
ball[i].position[2] = ball[i].y-ball[i].g2/2;
ball[i].position[3] = ball[i].y+ball[i].g2/2;
}

for (int i=0; i < 5; i++) {
//Bewegen
if (ball[i].angle <= 360) {
ball[i].angle -= 2;
}
if (ball[i].angle <= 0) {
ball[i].angle = 360;
}
//im Bogen
ball[i].x = ball[i].x + ball[i].vx;
ball[i].y = ball[i].y + ball[i].vy;
//Ballgröße zurücksetzen
if (ball[i].g1 != 90) {
ball[i].g1 = 90;
}
//Rand oben
if (ball[i].x <= 0+ball[i].g1/2) {
ball[i].angle = 60;
}
//Rand unten
if (ball[i].x >= a-ball[i].g1/2) {
ball[i].angle = 180;
ball[i].g1 = ball[i].g1-20;
}
if (ball[i].y <= 0-ball[i].g2) {
ball[i].y = height+ball[i].g2/2;
}
//rechts raus
if (ball[i].y >= height+ball[i].g2) {
ball[i].y = 0-ball[i].g2/2;
}
ball[i].maleBall();

//Bälle stoßen aneinander
for (int j=i+1; j < 5; j++) {
if ((ball[i].position[1] >= ball[j].position[0]) && (ball[i].position[3] >= ball[j].position[2]) &&
(ball[i].position[1] <= ball[j].position[1]) && (ball[i].position[3] <= ball[j].position[3])) {
ball[i].angle = 135;
ball[j].angle = 45;
}
if ((ball[i].position[0] <= ball[j].position[1]) && (ball[i].position[3] >= ball[j].position[2]) &&
(ball[i].position[0] >= ball[j].position[0]) && (ball[i].position[3] <= ball[j].position[3])) {
ball[i].angle = 45;
ball[j].angle = 135;
}
if ((ball[i].position[1] >= ball[j].position[0]) && (ball[i].position[2] <= ball[j].position[3]) &&
(ball[i].position[1] <= ball[j].position[1]) && (ball[i].position[2] >= ball[j].position[2])) {
ball[i].angle = 135;
ball[j].angle = 45;
}
if ((ball[i].position[0] <= ball[j].position[1]) && (ball[i].position[2] <= ball[j].position[3]) &&
(ball[i].position[0] >= ball[j].position[0]) && (ball[i].position[2] >= ball[j].position[2])) {
ball[i].angle = 45;
ball[j].angle = 135;
}
}
}

for (int i=5; i < 10; i++) {
//Bewegen
if (ball[i].angle <= 360) {
ball[i].angle -= 3;
}
if (ball[i].angle <= 0) {
ball[i].angle = 360;
}
//im Bogen
ball[i].x = ball[i].x + ball[i].vx;
ball[i].y = ball[i].y + ball[i].vy;
//Ballgröße zurücksetzen
if (ball[i].g1 != 90) {
ball[i].g1 = 90;
}
//Rand oben
if (ball[i].x <= a+c+ball[i].g1/2) {
ball[i].angle = 60;
}
//Rand unten
if (ball[i].x >= a+c+b-ball[i].g1/2) {
ball[i].angle = 180;
ball[i].g1 = ball[i].g1-20;
}
if (ball[i].y <= 0-ball[i].g2) {
ball[i].y = height+ball[i].g2/2;
}
//rechts raus
if (ball[i].y >= height+ball[i].g2) {
ball[i].y = 0-ball[i].g2/2;
}
ball[i].maleBall();

//Bälle stoßen aneinander
for (int j=i+1; j < 10; j++) {
if ((ball[i].position[1] >= ball[j].position[0]) && (ball[i].position[3] >= ball[j].position[2]) &&
(ball[i].position[1] <= ball[j].position[1]) && (ball[i].position[3] <= ball[j].position[3])) {
ball[i].angle = 135;
ball[j].angle = 45;
}
if ((ball[i].position[0] <= ball[j].position[1]) && (ball[i].position[3] >= ball[j].position[2]) &&
(ball[i].position[0] >= ball[j].position[0]) && (ball[i].position[3] <= ball[j].position[3])) {
ball[i].angle = 45;
ball[j].angle = 135;
}
if ((ball[i].position[1] >= ball[j].position[0]) && (ball[i].position[2] <= ball[j].position[3]) &&
(ball[i].position[1] <= ball[j].position[1]) && (ball[i].position[2] >= ball[j].position[2])) {
ball[i].angle = 135;
ball[j].angle = 45;
}
if ((ball[i].position[0] <= ball[j].position[1]) && (ball[i].position[2] <= ball[j].position[3]) &&
(ball[i].position[0] >= ball[j].position[0]) && (ball[i].position[2] >= ball[j].position[2])) {
ball[i].angle = 45;
ball[j].angle = 135;
}
}
}

for (int i=10; i < 15; i++) {
//Bewegen
if (ball[i].angle <= 360) {
ball[i].angle -= 4;
}
if (ball[i].angle <= 0) {
ball[i].angle = 360;
}
//im Bogen
ball[i].x = ball[i].x + ball[i].vx;
ball[i].y = ball[i].y + ball[i].vy;
//Ballgröße zurücksetzen
if (ball[i].g1 != 90) {
ball[i].g1 = 90;
}
//Rand oben
if (ball[i].x <= a+c+b+c+ball[i].g1/2) {
ball[i].angle = 60;
}
//Rand unten
if (ball[i].x >= width-ball[i].g1/2) {
ball[i].angle = 180;
ball[i].g1 = ball[i].g1-20;
}
if (ball[i].y <= 0-ball[i].g2) {
ball[i].y = height+ball[i].g2/2;
}
//rechts raus
if (ball[i].y >= height+ball[i].g2) {
ball[i].y = 0-ball[i].g2/2;
}
ball[i].maleBall();

//Bälle stoßen aneinander
for (int j=i+1; j < 15; j++) {
if ((ball[i].position[1] >= ball[j].position[0]) && (ball[i].position[3] >= ball[j].position[2]) &&
(ball[i].position[1] <= ball[j].position[1]) && (ball[i].position[3] <= ball[j].position[3])) {
ball[i].angle = 135;
ball[j].angle = 45;
}
if ((ball[i].position[0] <= ball[j].position[1]) && (ball[i].position[3] >= ball[j].position[2]) &&
(ball[i].position[0] >= ball[j].position[0]) && (ball[i].position[3] <= ball[j].position[3])) {
ball[i].angle = 45;
ball[j].angle = 135;
}
if ((ball[i].position[1] >= ball[j].position[0]) && (ball[i].position[2] <= ball[j].position[3]) &&
(ball[i].position[1] <= ball[j].position[1]) && (ball[i].position[2] >= ball[j].position[2])) {
ball[i].angle = 135;
ball[j].angle = 45;
}
if ((ball[i].position[0] <= ball[j].position[1]) && (ball[i].position[2] <= ball[j].position[3]) &&
(ball[i].position[0] >= ball[j].position[0]) && (ball[i].position[2] >= ball[j].position[2])) {
ball[i].angle = 45;
ball[j].angle = 135;
}
}
}
}```

## Objekt Ball

```class Ball {

int g1,g2; //Größe
float x,y; //Position

int h,s,b,a; //Farbe

float vx,vy; //Geschwindigkeit

float[] position = new float[4]; // die 4 Ecken des Balls;

Ball() {
g1 = 90;
g2 = g1;

h = (int)random(360);
s = 100;
b = 100-g1;
a = 100;

angle = 90;
}

void maleBall() {
for (int i=0; i<g1; i+=5) { //Abrundungen bzw. Schatten
fill(h,s,b+i,a);
ellipse(x,y,g1-i,g2-i);
}
}
}```