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Ported 86 Target to Java
This commit is contained in:
Aldrin Misquitta
146
86 Target/java/Target.java
Normal file
146
86 Target/java/Target.java
Normal file
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import java.util.Scanner;
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/**
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* TARGET
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* <p>
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* Converted from BASIC to Java by Aldrin Misquitta (@aldrinm)
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*/
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public class Target {
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private static final double RADIAN = 180 / Math.PI;
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public static void main(String[] args) {
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Scanner scan = new Scanner(System.in);
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printIntro();
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//continue till the user aborts
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while (true) {
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int numberShots = 0;
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final double xAxisInRadians = Math.random() * 2 * Math.PI;
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final double yAxisInRadians = Math.random() * 2 * Math.PI;
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System.out.printf("RADIANS FROM X AXIS = %.7f FROM Z AXIS = %.7f\n", xAxisInRadians, yAxisInRadians);
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final double p1 = 100000 * Math.random() + Math.random();
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final double x = Math.sin(yAxisInRadians) * Math.cos(xAxisInRadians) * p1;
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final double y = Math.sin(yAxisInRadians) * Math.sin(xAxisInRadians) * p1;
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final double z = Math.cos(yAxisInRadians) * p1;
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System.out.printf("TARGET SIGHTED: APPROXIMATE COORDINATES: X=%.3f Y=%.3f Z=%.3f\n", x, y, z);
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boolean targetOrSelfDestroyed = false;
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while (!targetOrSelfDestroyed) {
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numberShots++;
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int estimatedDistance = 0;
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switch (numberShots) {
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case 1:
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estimatedDistance = (int) (p1 * .05) * 20;
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break;
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case 2:
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estimatedDistance = (int) (p1 * .1) * 10;
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break;
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case 3:
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estimatedDistance = (int) (p1 * .5) * 2;
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break;
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case 4:
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case 5:
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estimatedDistance = (int) (p1);
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break;
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}
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System.out.printf(" ESTIMATED DISTANCE: %s\n\n", estimatedDistance);
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final TargetAttempt targetAttempt = readInput(scan);
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if (targetAttempt.distance < 20) {
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System.out.println("YOU BLEW YOURSELF UP!!");
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targetOrSelfDestroyed = true;
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} else {
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final double a1 = targetAttempt.xDeviation / RADIAN;
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final double b1 = targetAttempt.zDeviation / RADIAN;
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System.out.printf("RADIANS FROM X AXIS = %.7f FROM Z AXIS = %.7f\n", a1, b1);
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final double x1 = targetAttempt.distance * Math.sin(b1) * Math.cos(a1);
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final double y1 = targetAttempt.distance * Math.sin(b1) * Math.sin(a1);
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final double z1 = targetAttempt.distance * Math.cos(b1);
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double distance = Math.sqrt((x1 - x) * (x1 - x) + (y1 - y) * (y1 - y) + (z1 - z) * (z1 - z));
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if (distance > 20) {
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double X2 = x1 - x;
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double Y2 = y1 - y;
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double Z2 = z1 - z;
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if (X2 < 0) {
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System.out.printf("SHOT BEHIND TARGET %.7f KILOMETERS.\n", -X2);
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} else {
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System.out.printf("SHOT IN FRONT OF TARGET %.7f KILOMETERS.\n", X2);
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}
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if (Y2 < 0) {
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System.out.printf("SHOT TO RIGHT OF TARGET %.7f KILOMETERS.\n", -Y2);
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} else {
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System.out.printf("SHOT TO LEFT OF TARGET %.7f KILOMETERS.\n", Y2);
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}
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if (Z2 < 0) {
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System.out.printf("SHOT BELOW TARGET %.7f KILOMETERS.\n", -Z2);
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} else {
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System.out.printf("SHOT ABOVE TARGET %.7f KILOMETERS.\n", Z2);
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}
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System.out.printf("APPROX POSITION OF EXPLOSION: X=%.7f Y=%.7f Z=%.7f\n", x1, y1, z1);
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System.out.printf(" DISTANCE FROM TARGET =%.7f\n\n\n\n", distance);
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} else {
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System.out.println(" * * * HIT * * * TARGET IS NON-FUNCTIONAL");
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System.out.printf("DISTANCE OF EXPLOSION FROM TARGET WAS %.5f KILOMETERS.\n", distance);
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System.out.printf("MISSION ACCOMPLISHED IN %s SHOTS.\n", numberShots);
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targetOrSelfDestroyed = true;
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}
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}
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}
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System.out.println("\n\n\n\n\nNEXT TARGET...\n");
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}
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}
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private static TargetAttempt readInput(Scanner scan) {
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System.out.println("INPUT ANGLE DEVIATION FROM X, DEVIATION FROM Z, DISTANCE ");
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boolean validInput = false;
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TargetAttempt targetAttempt = new TargetAttempt();
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while (!validInput) {
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String input = scan.nextLine();
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final String[] split = input.split(",");
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try {
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targetAttempt.xDeviation = Float.parseFloat(split[0]);
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targetAttempt.zDeviation = Float.parseFloat(split[1]);
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targetAttempt.distance = Float.parseFloat(split[2]);
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validInput = true;
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} catch (NumberFormatException nfe) {
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System.out.println("!NUMBER EXPECTED - RETRY INPUT LINE\n? ");
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}
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}
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return targetAttempt;
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}
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private static void printIntro() {
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System.out.println(" TARGET");
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System.out.println(" CREATIVE COMPUTING MORRISTOWN, NEW JERSEY");
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System.out.println("\n\n");
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System.out.println("YOU ARE THE WEAPONS OFFICER ON THE STARSHIP ENTERPRISE");
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System.out.println("AND THIS IS A TEST TO SEE HOW ACCURATE A SHOT YOU");
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System.out.println("ARE IN A THREE-DIMENSIONAL RANGE. YOU WILL BE TOLD");
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System.out.println("THE RADIAN OFFSET FOR THE X AND Z AXES, THE LOCATION");
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System.out.println("OF THE TARGET IN THREE DIMENSIONAL RECTANGULAR COORDINATES,");
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System.out.println("THE APPROXIMATE NUMBER OF DEGREES FROM THE X AND Z");
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System.out.println("AXES, AND THE APPROXIMATE DISTANCE TO THE TARGET.");
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System.out.println("YOU WILL THEN PROCEED TO SHOOT AT THE TARGET UNTIL IT IS");
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System.out.println("DESTROYED!");
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System.out.println("\nGOOD LUCK!!\n\n");
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}
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/**
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* Represents the user input
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*/
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private static class TargetAttempt {
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double xDeviation;
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double zDeviation;
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double distance;
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}
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}
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