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added enums for direction #29

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added enums for direction #29

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3 changes: 3 additions & 0 deletions src/Directions.java
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Original file line number Diff line number Diff line change
@@ -0,0 +1,3 @@
public enum Directions {
RIGHT, LEFT, UP, DOWN
}
16 changes: 8 additions & 8 deletions src/KeyboardListener.java
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Original file line number Diff line number Diff line change
Expand Up @@ -7,22 +7,22 @@ public void keyPressed(KeyEvent e){
switch(e.getKeyCode()){
case 39: // -> Right
//if it's not the opposite direction
if(ThreadsController.directionSnake!=2)
ThreadsController.directionSnake=1;
if(ThreadsController.directionSnake!=Directions.LEFT)
ThreadsController.directionSnake= Directions.RIGHT;
break;
case 38: // -> Top
if(ThreadsController.directionSnake!=4)
ThreadsController.directionSnake=3;
if(ThreadsController.directionSnake!= Directions.UP)
ThreadsController.directionSnake= Directions.DOWN;
break;

case 37: // -> Left
if(ThreadsController.directionSnake!=1)
ThreadsController.directionSnake=2;
if(ThreadsController.directionSnake!= Directions.RIGHT)
ThreadsController.directionSnake= Directions.LEFT;
break;

case 40: // -> Bottom
if(ThreadsController.directionSnake!=3)
ThreadsController.directionSnake=4;
if(ThreadsController.directionSnake!= Directions.DOWN)
ThreadsController.directionSnake= Directions.UP;
break;

default: break;
Expand Down
14 changes: 7 additions & 7 deletions src/ThreadsController.java
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Original file line number Diff line number Diff line change
Expand Up @@ -7,7 +7,7 @@ public class ThreadsController extends Thread {
Tuple headSnakePos;
int sizeSnake=3;
long speed = 50;
public static int directionSnake ;
public static Directions directionSnake;

ArrayList<Tuple> positions = new ArrayList<Tuple>();
Tuple foodPosition;
Expand All @@ -18,7 +18,7 @@ public class ThreadsController extends Thread {
Squares=Window.Grid;

headSnakePos=new Tuple(positionDepart.x,positionDepart.y);
directionSnake = 1;
directionSnake = Directions.RIGHT;

//!!! Pointer !!!!
Tuple headPos = new Tuple(headSnakePos.getX(),headSnakePos.getY());
Expand Down Expand Up @@ -101,13 +101,13 @@ private Tuple getValAleaNotInSnake(){

//Moves the head of the snake and refreshes the positions in the arraylist
//1:right 2:left 3:top 4:bottom 0:nothing
private void moveInterne(int dir){
private void moveInterne(Directions dir){
switch(dir){
case 4:
case UP:
headSnakePos.ChangeData(headSnakePos.x,(headSnakePos.y+1)%20);
positions.add(new Tuple(headSnakePos.x,headSnakePos.y));
break;
case 3:
case DOWN:
if(headSnakePos.y-1<0){
headSnakePos.ChangeData(headSnakePos.x,19);
}
Expand All @@ -116,7 +116,7 @@ private void moveInterne(int dir){
}
positions.add(new Tuple(headSnakePos.x,headSnakePos.y));
break;
case 2:
case LEFT:
if(headSnakePos.x-1<0){
headSnakePos.ChangeData(19,headSnakePos.y);
}
Expand All @@ -126,7 +126,7 @@ private void moveInterne(int dir){
positions.add(new Tuple(headSnakePos.x,headSnakePos.y));

break;
case 1:
case RIGHT:
headSnakePos.ChangeData(Math.abs(headSnakePos.x+1)%20,headSnakePos.y);
positions.add(new Tuple(headSnakePos.x,headSnakePos.y));
break;
Expand Down