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factor out intro and prompt messages

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jason
2022-01-04 21:32:56 -08:00
parent 9fba41771c
commit c3a1b621b9
1 changed files with 38 additions and 31 deletions
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69
81_Splat/java/src/Splat.java
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@@ -11,12 +11,7 @@ public class Splat {
} }
public void run() { public void run() {
System.out.printf("%33s%s\n", " ", "SPLAT"); showIntroduction();
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]; float[] Arr = new float[42];
Arrays.fill(Arr, 0.0f); Arrays.fill(Arr, 0.0f);
@@ -25,37 +20,18 @@ public class Splat {
while (true) { while (true) {
System.out.print("\n\n"); System.out.print("\n\n");
float V = 0.0f;
float A = 0.0f;
int D1 = (int) (9001.0f * random.nextFloat() + 1000); int D1 = (int) (9001.0f * random.nextFloat() + 1000);
float V1; float terminalVelocity = promptTerminalVelocity();
if(askYesNo("SELECT YOUR OWN TERMINAL VELOCITY")){ float V = terminalVelocity + ((terminalVelocity * random.nextFloat()) / 20.0f) - ((terminalVelocity * random.nextFloat()) / 20.0f);
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); float gravitationalAcceleration = promptGravitationalAcceleration();
V = V1 + ((V1 * random.nextFloat()) / 20.0f) - ((V1 * random.nextFloat()) / 20.0f); float A = gravitationalAcceleration + ((gravitationalAcceleration * random.nextFloat()) / 20.0f) - ((gravitationalAcceleration * random.nextFloat()) / 20.0f);
float A2;
if(askYesNo("WANT TO SELECT ACCELERATION DUE TO GRAVITY")){
System.out.print("WHAT ACCELERATION (FT/SEC/SEC) ");
A2 = scanner.nextFloat();
}
else {
A2 = chooseRandomAcceleration();
}
A = A2 + ((A2 * random.nextFloat()) / 20.0f) - ((A2 * random.nextFloat()) / 20.0f);
System.out.println(); System.out.println();
System.out.printf(" ALTITUDE = %d FT\n", D1); System.out.printf(" ALTITUDE = %d FT\n", D1);
System.out.printf(" TERM. VELOCITY = %.2f FT/SEC +/-5%%\n", V1); System.out.printf(" TERM. VELOCITY = %.2f FT/SEC +/-5%%\n", terminalVelocity);
System.out.printf(" ACCELERATION = %.2f FT/SEC/SEC +/-5%%\n", A2); System.out.printf(" ACCELERATION = %.2f FT/SEC/SEC +/-5%%\n", gravitationalAcceleration);
System.out.println("SET THE TIMER FOR YOUR FREEFALL."); System.out.println("SET THE TIMER FOR YOUR FREEFALL.");
System.out.print("HOW MANY SECONDS "); System.out.print("HOW MANY SECONDS ");
float T = scanner.nextFloat(); float T = scanner.nextFloat();
@@ -216,6 +192,37 @@ public class Splat {
} }
private void showIntroduction() {
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.");
}
private float promptTerminalVelocity() {
if(askYesNo("SELECT YOUR OWN TERMINAL VELOCITY")){
System.out.print("WHAT TERMINAL VELOCITY (MI/HR) ");
return mphToFeetPerSec(scanner.nextFloat());
}
float terminalVelocity = (int) (1000 * random.nextFloat());
System.out.printf("OK. TERMINAL VELOCITY = %.2f MI/HR\n", terminalVelocity);
return mphToFeetPerSec(terminalVelocity);
}
private float promptGravitationalAcceleration() {
if(askYesNo("WANT TO SELECT ACCELERATION DUE TO GRAVITY")){
System.out.print("WHAT ACCELERATION (FT/SEC/SEC) ");
return scanner.nextFloat();
}
return chooseRandomAcceleration();
}
private float mphToFeetPerSec(float speed){
return speed * (5280.0f / 3600.0f);
}
private boolean askYesNo(String prompt){ private boolean askYesNo(String prompt){
System.out.printf("%s (YES OR NO) ", prompt); System.out.printf("%s (YES OR NO) ", prompt);
while (true) { while (true) {