finish bat catcher

Author: maxdemaio

jackProgramExample/BatCatcherV1/Bat.jack

@@ -3,15 +3,13 @@ class Bat {
   field boolean isCaught; // if the bat has been caught or not
   field int x, y;         // position on the screen
   field int size;         // length of this square, in pixels
-  field Random random;
 
   /** Constructs a new bat with a given location size and caught as false. */
-  constructor Bat new(int Ax, int Ay, int Asize, Random randIn) {
+  constructor Bat new(int Ax, int Ay, int Asize) {
     let x = Ax;
     let y = Ay;
     let size = Asize;
     let isCaught = false;
-    let random = randIn;
     do draw();
     return this;
   }
@@ -93,23 +91,4 @@ class Bat {
     }
     return;
   }
-
-  method void moveRandomly() {
-    // Generate a random number between 0 and 3
-    var int direction;
-    let direction = random.randRange(3);
-    if (direction = 0) {
-      do moveUp();
-    }
-    if (direction = 1) {
-      do moveDown();
-    }
-    if (direction = 2) {
-      do moveLeft();
-    } 
-    if (direction = 3) {
-      do moveRight();
-    }
-    return;
-  }
 }

jackProgramExample/BatCatcherV1/Bat.vm

@@ -1,5 +1,5 @@
 function Bat.new 0
-push constant 6
+push constant 5
 call Memory.alloc 1
 pop pointer 0
 push argument 0
@@ -10,8 +10,6 @@ push argument 2
 pop this 4
 push constant 0
 pop this 1
-push argument 3
-pop this 5
 push pointer 0
 call Bat.draw 1
 pop temp 0
@@ -269,52 +267,3 @@ pop temp 0
 label IF_FALSE0
 push constant 0
 return
-function Bat.moveRandomly 1
-push argument 0
-pop pointer 0
-push this 5
-push constant 3
-call Random.randRange 2
-pop local 0
-push local 0
-push constant 0
-eq
-if-goto IF_TRUE0
-goto IF_FALSE0
-label IF_TRUE0
-push pointer 0
-call Bat.moveUp 1
-pop temp 0
-label IF_FALSE0
-push local 0
-push constant 1
-eq
-if-goto IF_TRUE1
-goto IF_FALSE1
-label IF_TRUE1
-push pointer 0
-call Bat.moveDown 1
-pop temp 0
-label IF_FALSE1
-push local 0
-push constant 2
-eq
-if-goto IF_TRUE2
-goto IF_FALSE2
-label IF_TRUE2
-push pointer 0
-call Bat.moveLeft 1
-pop temp 0
-label IF_FALSE2
-push local 0
-push constant 3
-eq
-if-goto IF_TRUE3
-goto IF_FALSE3
-label IF_TRUE3
-push pointer 0
-call Bat.moveRight 1
-pop temp 0
-label IF_FALSE3
-push constant 0
-return