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factor out silly play again prompt

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jason
2022-01-04 22:31:51 -08:00
parent dd0dbf6480
commit 42f57024fe
1 changed files with 29 additions and 43 deletions
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66
81_Splat/java/src/Splat.java
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@@ -21,13 +21,11 @@ public class Splat {
while (true) { while (true) {
InitialJumpConditions jump = buildInitialConditions(); InitialJumpConditions jump = buildInitialConditions();
final float V = jump.getTerminalVelocity();
final float A = jump.getGravitationalAcceleration();
System.out.println(); System.out.println();
System.out.printf(" ALTITUDE = %d FT\n", jump.getAltitude()); System.out.printf(" ALTITUDE = %d FT\n", jump.getAltitude());
System.out.printf(" TERM. VELOCITY = %.2f FT/SEC +/-5%%\n", jump.getOriginalTerminalVelocity()); System.out.printf(" TERM. VELOCITY = %.2f FT/SEC +/-5%%\n", jump.getOriginalTerminalVelocity());
System.out.printf(" ACCELERATION = %.2f FT/SEC/SEC +/-5%%\n", jump.getOriginalGravitationalAcceleration()); System.out.printf(" ACCELERATION = %.2f FT/SEC/SEC +/-5%%\n", jump.getOriginalAcceleration());
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 ");
@@ -35,6 +33,8 @@ public class Splat {
System.out.println("HERE WE GO.\n"); System.out.println("HERE WE GO.\n");
System.out.println("TIME (SEC) DIST TO FALL (FT)"); System.out.println("TIME (SEC) DIST TO FALL (FT)");
System.out.println("========== ================="); System.out.println("========== =================");
final float V = jump.getTerminalVelocity();
final float A = jump.getAcceleration();
boolean splat = false; boolean splat = false;
boolean terminalReached = false; boolean terminalReached = false;
float D = 0.0f; float D = 0.0f;
@@ -123,35 +123,22 @@ public class Splat {
System.out.println("SUCCESSFUL JUMP!!!"); System.out.println("SUCCESSFUL JUMP!!!");
} }
} }
boolean chosen = false; if(!playAgain()){
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; return;
} }
System.out.print("YES OR NO ");
}
continue;
} else {
System.out.print("YES OR NO ");
}
} }
} }
private boolean playAgain() {
if (askYesNo("DO YOU WANT TO PLAY AGAIN ")) {
return true;
}
if (askYesNo("PLEASE")) {
return true;
}
System.out.println("SSSSSSSSSS.");
return false;
} }
private void showRandomSplatMessage() { private void showRandomSplatMessage() {
@@ -173,8 +160,8 @@ public class Splat {
private InitialJumpConditions buildInitialConditions() { private InitialJumpConditions buildInitialConditions() {
System.out.print("\n\n"); System.out.print("\n\n");
float terminalVelocity = promptTerminalVelocity(); float terminalVelocity = promptTerminalVelocity();
float gravitationalAcceleration = promptGravitationalAcceleration(); float acceleration = promptGravitationalAcceleration();
return InitialJumpConditions.create(terminalVelocity, gravitationalAcceleration); return InitialJumpConditions.create(terminalVelocity, acceleration);
} }
private void showIntroduction() { private void showIntroduction() {
@@ -226,21 +213,20 @@ public class Splat {
return planet.getAcceleration(); return planet.getAcceleration();
} }
// Immutable // Immutable
static class InitialJumpConditions { static class InitialJumpConditions {
private final float originalTerminalVelocity; private final float originalTerminalVelocity;
private final float originalGravitationalAcceleration; private final float originalAcceleration;
private final float terminalVelocity; private final float terminalVelocity;
private final float gravitationalAcceleration; private final float acceleration;
private final int altitude; private final int altitude;
private InitialJumpConditions(float originalTerminalVelocity, float originalGravitationalAcceleration, private InitialJumpConditions(float originalTerminalVelocity, float originalAcceleration,
float terminalVelocity, float gravitationalAcceleration, int altitude) { float terminalVelocity, float acceleration, int altitude) {
this.originalTerminalVelocity = originalTerminalVelocity; this.originalTerminalVelocity = originalTerminalVelocity;
this.originalGravitationalAcceleration = originalGravitationalAcceleration; this.originalAcceleration = originalAcceleration;
this.terminalVelocity = terminalVelocity; this.terminalVelocity = terminalVelocity;
this.gravitationalAcceleration = gravitationalAcceleration; this.acceleration = acceleration;
this.altitude = altitude; this.altitude = altitude;
} }
@@ -259,16 +245,16 @@ public class Splat {
return originalTerminalVelocity; return originalTerminalVelocity;
} }
public float getOriginalGravitationalAcceleration() { public float getOriginalAcceleration() {
return originalGravitationalAcceleration; return originalAcceleration;
} }
public float getTerminalVelocity() { public float getTerminalVelocity() {
return terminalVelocity; return terminalVelocity;
} }
public float getGravitationalAcceleration() { public float getAcceleration() {
return gravitationalAcceleration; return acceleration;
} }
public int getAltitude() { public int getAltitude() {
@@ -276,7 +262,7 @@ public class Splat {
} }
public float getTimeOfTerminalAccelerationReached(){ public float getTimeOfTerminalAccelerationReached(){
return terminalVelocity / gravitationalAcceleration; return terminalVelocity / acceleration;
} }
} }