refactoring:if-else for arrow keys to switch for visibility

src/input.c

@@ -8,12 +8,12 @@ int kbhit(void);
 char getch(void);
 
 
-/*int main(int argc, char ** argv){
+int main(int argc, char ** argv){
   printf("wasd or arrows to control snake, q to quit, p to pause game.");
     while(1){
       getInput();
     } 
-}*/
+}
 
 /** getInput gets the userinput and reacts to input of w,a,s,d, arrow keys, p or q 
   * utilises getch() and kbhit, no parameters, no returns
@@ -24,17 +24,20 @@ void getInput(){
     if(key == '\033'){
       getch();
       char key = getch();
-      if(key=='A'){
+      
+      switch(key){
+        case 'A': 
           printf("up");
-      }
-      else if(key=='B'){
+          break;
+        case 'B':
           printf("down");
-      } 
-      else if(key=='C'){
+          break;
+        case 'C':
           printf("right");
-      }
-      else if(key=='D'){
+          break;
+        case 'D':
           printf("left");
+          break;
       }
     }
     else{