OnBoardComputer works

src/main/java/BurnDataStream.java

@@ -3,7 +3,7 @@ public class BurnDataStream implements BurnStream {
     // change them to see if you can get the lander to make a soft landing.
     // burns are between 0 and 200. This burn array usually crashes.
 
-    int burnArray[] = {100, 100, 200, 200, 100, 100, 0, 0, 200, 100, 100, 0, 0, 0, 0};
+    int burnArray[] = {0,0,200,200,200,200,200,200,200,200,200,200,200,170,100,100,130,95,104,100,100,100,100};
     int burnIdx = -1;
 
     public BurnDataStream() { }

src/main/java/OnBoardComputer.java

@@ -1,11 +1,15 @@
 public class OnBoardComputer implements BurnStream {
+    int burnArray[] = {0,0,200,200,200,200,200,200,200,200,200,200,200,170,100,100,130,95,104,100,100,100,100};
+    int burnIdx = -1;
 
     @Override
     public int getNextBurn(DescentEvent status) {
-        int burn = 0;
-
-        System.out.println(burn); /*hack!*/
-        return burn;
+        if (burnIdx < burnArray.length) {
+            burnIdx++;
+            System.out.println(burnArray[burnIdx]); /*hack!*/
+            return burnArray[burnIdx];
+        }
+        return 0;
     }
 
 }

src/main/java/Simulation.java

@@ -1,6 +1,7 @@
 public class Simulation {
     private final Vehicle vehicle;
 
+
     public Simulation(Vehicle v) {
         this.vehicle = v;
     }
@@ -29,8 +30,8 @@ public String gameHeader() {
     public String getHeader() {
         String s = "";
         s = s + "\nTime\t";
-        s = s + "Velocity\t\t"; s = s + "Fuel\t\t";
-        s = s + "Altitude\t\t"; s = s + "Burn\n";
+        s = s + "Velocity\t"; s = s + "Fuel\t\t";
+        s = s + "Altitude\t"; s = s + "Burn\n";
         s = s + "----\t";
         s = s + "-----\t\t";
         s = s + "----\t\t";
@@ -73,9 +74,11 @@ public int runSimulation(BurnStream burnSource) {
     }
 
     public static void main(String[] args) {
-        // create a new Simulation object with a random starting altitude
-        // create a new BurnInputStream
-        // pass the new BurnInputStream to the runSimulation method
+        Vehicle ship = new Vehicle(9000);
+        Simulation newSim = new Simulation(ship);// create a new Simulation object with a random starting altitude
+        //BurnInputStream bis = new BurnInputStream();// create a new BurnInputStream
+        OnBoardComputer computer = new  OnBoardComputer();
+        newSim.runSimulation(computer);// pass the new BurnInputStream to the runSimulation method
     }
 
 }

src/main/java/Vehicle.java

@@ -19,8 +19,8 @@ public Vehicle(int InitialAltitude) {
     public static final int FLYING = 1;
 
     // this is initial vehicle setup
-    int Altitude= 8000;
-    int PrevAltitude= 8000;
+    int Altitude= 9000;
+    int PrevAltitude= 9000;
 
     int Velocity= 1000;
     int Fuel = 12000;
@@ -54,30 +54,34 @@ public String checkFinalStatus() {
 
     public int computeDeltaV() {
         // return velocity + gravity - burn amount
-        return 0;
+        return Velocity + Gravity - Burn;
     }
 
     public void adjustForBurn(int burnAmount) {
-        // set burn to burnamount requested
-        // save previousAltitude with current Altitude
-        // set new velocity to result of computeDeltaV function.
-        // subtract speed from Altitude
-        // subtract burn amount fuel used from tank
+        Burn = burnAmount;// set burn to burnamount requested
+        PrevAltitude = Altitude;// save previousAltitude with current Altitude
+        Velocity = computeDeltaV();// set new velocity to result of computeDeltaV function.
+        Altitude -= Velocity;// subtract speed from Altitude
+        Fuel -= burnAmount;// subtract burn amount fuel used from tank
     }
 
     public boolean stillFlying() {
-        // return true if altitude is positive
+        if(Altitude > 0) {// return true if altitude is positive
+        return true;
+        }
         return false;
     }
     public boolean outOfFuel() {
-        // return true if fuel is less than or equal to zero
-        return true;
+        if(Fuel <= 0) {// return true if fuel is less than or equal to zero
+            return true;
+        }
+            return false;
     }
 
     public DescentEvent getStatus(int tick) {
-        // create a return a new DescentEvent object
+        DescentEvent var = new DescentEvent(tick, Velocity, Fuel, Altitude, Flying);// create a return a new DescentEvent object
         // filled in with the state of the vehicle.
-        return null;
+        return var;
     }
 
 }