mirror of
https://github.com/coding-horror/basic-computer-games.git
synced 2025-12-22 15:16:33 -08:00
276 lines
11 KiB
Java
276 lines
11 KiB
Java
import java.util.Arrays;
|
|
import java.util.Random;
|
|
import java.util.Scanner;
|
|
|
|
public class Splat {
|
|
private final Random random = new Random();
|
|
private final Scanner scanner = new Scanner(System.in);
|
|
|
|
public static void main(String[] args) {
|
|
new Splat().run();
|
|
}
|
|
|
|
public void run() {
|
|
System.out.printf("%33s%s\n", " ", "SPLAT");
|
|
System.out.printf("%15s%s\n", " ", "CREATIVE COMPUTING MORRISTOWN, NEW JERSEY");
|
|
System.out.print("\n\n\n");
|
|
System.out.println("WELCOME TO 'SPLAT' -- THE GAME THAT SIMULATES A PARACHUTE");
|
|
System.out.println("JUMP. TRY TO OPEN YOUR CHUTE AT THE LAST POSSIBLE");
|
|
System.out.println("MOMENT WITHOUT GOING SPLAT.");
|
|
|
|
float[] Arr = new float[42];
|
|
Arrays.fill(Arr, 0.0f);
|
|
int K = 0;
|
|
int K1 = 0;
|
|
while (true) {
|
|
|
|
System.out.print("\n\n");
|
|
float V = 0.0f;
|
|
float A = 0.0f;
|
|
int D1 = (int) (9001.0f * random.nextFloat() + 1000);
|
|
|
|
float V1;
|
|
if(askYesNo("SELECT YOUR OWN TERMINAL VELOCITY")){
|
|
System.out.print("WHAT TERMINAL VELOCITY (MI/HR) ");
|
|
V1 = scanner.nextInt();
|
|
}
|
|
else {
|
|
V1 = (int) (1000 * random.nextFloat());
|
|
System.out.printf("OK. TERMINAL VELOCITY = %d MI/HR\n", (int) V1);
|
|
}
|
|
|
|
V1 = V1 * (5280.0f / 3600.0f);
|
|
V = V1 + ((V1 * random.nextFloat()) / 20.0f) - ((V1 * random.nextFloat()) / 20.0f);
|
|
System.out.print("WANT TO SELECT ACCELERATION DUE TO GRAVITY (YES OR NO) ");
|
|
float A2;
|
|
while (true) {
|
|
String B1 = scanner.next();
|
|
if (B1.equals("NO")) {
|
|
A2 = chooseRandomAcceleration();
|
|
break;
|
|
}
|
|
if (!B1.equals("YES")) {
|
|
System.out.print("YES OR NO ");
|
|
continue;
|
|
}
|
|
System.out.print("WHAT ACCELERATION (FT/SEC/SEC) ");
|
|
A2 = scanner.nextFloat();
|
|
break;
|
|
}
|
|
A = A2 + ((A2 * random.nextFloat()) / 20.0f) - ((A2 * random.nextFloat()) / 20.0f);
|
|
System.out.println();
|
|
System.out.printf(" ALTITUDE = %d FT\n", D1);
|
|
System.out.printf(" TERM. VELOCITY = %.2f FT/SEC +/-5%%\n", V1);
|
|
System.out.printf(" ACCELERATION = %.2f FT/SEC/SEC +/-5%%\n", A2);
|
|
System.out.println("SET THE TIMER FOR YOUR FREEFALL.");
|
|
System.out.print("HOW MANY SECONDS ");
|
|
float T = scanner.nextFloat();
|
|
System.out.println("HERE WE GO.\n");
|
|
System.out.println("TIME (SEC) DIST TO FALL (FT)");
|
|
System.out.println("========== =================");
|
|
boolean splat = false;
|
|
boolean terminalReached = false;
|
|
float D = 0.0f;
|
|
for (float i = 0.0f; !splat && (i < T); i += T / 8) {
|
|
if (i > (V / A)) {
|
|
terminalReached = true;
|
|
System.out.printf("TERMINAL VELOCITY REACHED AT T PLUS %f SECONDS.\n", (V / A));
|
|
for (i = i; i < T; i += T / 8) {
|
|
D = D1 - ((V * V / (2 * A)) + (V * (i - (V / A))));
|
|
// System.out.printf(" ......................................tv %f\n", D);
|
|
if (D <= 0) {
|
|
splat = true;
|
|
break;
|
|
}
|
|
System.out.printf("%10.2f %f\n", i, D);
|
|
}
|
|
break;
|
|
}
|
|
D = D1 - ((A / 2) * i * i);
|
|
// System.out.printf(" ......................................debug %f\n", D);
|
|
if (D <= 0) {
|
|
splat = true;
|
|
break;
|
|
}
|
|
System.out.printf("%10.2f %f\n", i, D);
|
|
}
|
|
|
|
if (!splat) {
|
|
|
|
System.out.println("CHUTE OPEN");
|
|
int J = 0;
|
|
for (J = 0; J < 42; J++) {
|
|
if (Arr[J] == 0) {
|
|
Arr[J] = D;
|
|
break;
|
|
}
|
|
K = K + 1;
|
|
if (D > Arr[J]) {
|
|
continue;
|
|
}
|
|
K1 = K1 + 1;
|
|
}
|
|
|
|
if (J > 2) {
|
|
if (K - K1 <= 0.1 * K) {
|
|
System.out.printf("WOW! THAT'S SOME JUMPING. OF THE %d SUCCESSFUL JUMPS\n", K);
|
|
System.out.printf("BEFORE YOURS, ONLY %d OPENED THEIR CHUTES LOWER THAN\n", K - K1);
|
|
System.out.println("YOU DID.");
|
|
} else if (K - K1 <= 0.25 * K) {
|
|
System.out.printf("PRETTY GOOD! %d SUCCESSFUL JUMPS PRECEDED YOURS AND ONLY\n", K);
|
|
System.out.printf("%d OF THEM GOT LOWER THAN YOU DID BEFORE THEIR CHUTES\n", K - K1);
|
|
System.out.println("OPENED.");
|
|
} else if (K - K1 <= 0.5 * K) {
|
|
System.out.printf("NOT BAD. THERE HAVE BEEN %d SUCCESSFUL JUMPS BEFORE YOURS.\n", K);
|
|
System.out.printf("YOU WERE BEATEN OUT BY %d OF THEM.\n", K - K1);
|
|
} else if (K - K1 <= 0.75 * K) {
|
|
System.out.printf("CONSERVATIVE, AREN'T YOU? YOU RANKED ONLY %d IN THE\n", K - K1);
|
|
System.out.printf("%d SUCCESSFUL JUMPS BEFORE YOURS.", K);
|
|
} else if (K - K1 <= -0.9 * K) {
|
|
System.out.println("HUMPH! DON'T YOU HAVE ANY SPORTING BLOOD? THERE WERE");
|
|
System.out.printf("%d SUCCESSFUL JUMPS BEFORE YOURS AND YOU CAME IN %d JUMPS\n", K, K1);
|
|
System.out.println("BETTER THAN THE WORST. SHAPE UP!!!\n");
|
|
} else {
|
|
System.out.printf("HEY! YOU PULLED THE RIP CORD MUCH TOO SOON. %f SUCCESSFUL\n", K);
|
|
System.out.printf("JUMPS BEFORE YOURS AND YOU CAME IN NUMBER %d! GET WITH IT!\n", K - K1);
|
|
}
|
|
} else {
|
|
System.out.println("AMAZING!!! NOT BAD FOR YOUR ");
|
|
switch (J) {
|
|
case 0:
|
|
System.out.print("1ST ");
|
|
break;
|
|
case 1:
|
|
System.out.print("2ND ");
|
|
break;
|
|
case 2:
|
|
System.out.print("3RD ");
|
|
break;
|
|
}
|
|
System.out.println("SUCCESSFUL JUMP!!!");
|
|
}
|
|
|
|
|
|
} else {
|
|
if (terminalReached) {
|
|
System.out.printf("%.2f SPLAT\n", (V / A) + ((D1 - (V * V / (2 * A))) / V));
|
|
} else {
|
|
System.out.printf("%.2f SPLAT\n", Math.sqrt(2 * D1 / A));
|
|
|
|
}
|
|
switch (random.nextInt(10)) {
|
|
case 0:
|
|
System.out.println("REQUIESCAT IN PACE.");
|
|
break;
|
|
case 1:
|
|
System.out.println("MAY THE ANGEL OF HEAVEN LEAD YOU INTO PARADISE.");
|
|
break;
|
|
case 2:
|
|
System.out.println("REST IN PEACE.");
|
|
break;
|
|
case 3:
|
|
System.out.println("SON-OF-A-GUN.");
|
|
break;
|
|
case 4:
|
|
System.out.println("#$%&&%!$");
|
|
break;
|
|
case 5:
|
|
System.out.println("A KICK IN THE PANTS IS A BOOST IF YOU'RE HEADED RIGHT.");
|
|
break;
|
|
case 6:
|
|
System.out.println("HMMM. SHOULD HAVE PICKED A SHORTER TIME.");
|
|
break;
|
|
case 7:
|
|
System.out.println("MUTTER. MUTTER. MUTTER.");
|
|
break;
|
|
case 8:
|
|
System.out.println("PUSHING UP DAISIES.");
|
|
break;
|
|
default:
|
|
System.out.println("EASY COME, EASY GO.");
|
|
|
|
}
|
|
}
|
|
boolean chosen = false;
|
|
while (!chosen) {
|
|
System.out.print("DO YOU WANT TO PLAY AGAIN ");
|
|
String Z = scanner.next();
|
|
if (Z.equals("YES")) {
|
|
break;
|
|
}
|
|
if (Z.equals("NO")) {
|
|
System.out.print("PLEASE ");
|
|
while (true) {
|
|
Z = scanner.next();
|
|
if (Z.equals("YES")) {
|
|
chosen = true;
|
|
break;
|
|
}
|
|
if (Z.equals("NO")) {
|
|
System.out.println("SSSSSSSSSS.");
|
|
return;
|
|
}
|
|
System.out.print("YES OR NO ");
|
|
}
|
|
continue;
|
|
} else {
|
|
System.out.print("YES OR NO ");
|
|
}
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
private boolean askYesNo(String prompt){
|
|
System.out.printf("%s (YES OR NO) ", prompt);
|
|
while (true) {
|
|
String answer = scanner.next();
|
|
switch(answer){
|
|
case "YES": return true;
|
|
case "NO": return false;
|
|
default: System.out.print("YES OR NO ");
|
|
}
|
|
}
|
|
}
|
|
|
|
private float chooseRandomAcceleration() {
|
|
Planet planet = Planet.pickRandom();
|
|
System.out.printf("%s. ACCELERATION=%.2f FT/SEC/SEC.\n", planet.getMessage(), planet.getAcceleration());
|
|
return planet.getAcceleration();
|
|
}
|
|
|
|
enum Planet {
|
|
MERCURY("FINE. YOU'RE ON MERCURY", 12.2f),
|
|
VENUS("ALL RIGHT. YOU'RE ON VENUS", 28.3f),
|
|
EARTH("THEN YOU'RE ON EARTH", 32.16f),
|
|
MOON("FINE. YOU'RE ON THE MOON", 5.15f),
|
|
MARS("ALL RIGHT. YOU'RE ON MARS", 12.5f),
|
|
JUPITER("THEN YOU'RE ON JUPITER", 85.2f),
|
|
SATURN("FINE. YOU'RE ON SATURN", 37.6f),
|
|
URANUS("ALL RIGHT. YOU'RE ON URANUS", 33.8f),
|
|
NEPTUNE("THEN YOU'RE ON NEPTUNE", 39.6f),
|
|
SUN("FINE. YOU'RE ON THE SUN", 896.0f);
|
|
|
|
static final Random random = new Random();
|
|
private final String message;
|
|
private final float acceleration;
|
|
|
|
Planet(String message, float acceleration) {
|
|
this.message = message;
|
|
this.acceleration = acceleration;
|
|
}
|
|
|
|
static Planet pickRandom(){
|
|
return values()[random.nextInt(Planet.values().length)];
|
|
}
|
|
|
|
public String getMessage() {
|
|
return message;
|
|
}
|
|
|
|
public float getAcceleration() {
|
|
return acceleration;
|
|
}
|
|
}
|
|
} |