refactoring: check_if_dead

src/main/c/Snake/snake_start.c

@@ -150,7 +150,7 @@ void draw(Snake *snake, unsigned char fruit){
 
 //returns index of segments which is identical to tile; -1 if not found
 int part_of_snake(Snake *snake, unsigned char tile){
-    for(int i = 0; i < snake->length; i++){
+    for(int i = snake->length - 1; i >= 0; i--){
         if(snake->segments[i] == tile){
             return i;
         }
@@ -160,11 +160,8 @@ int part_of_snake(Snake *snake, unsigned char tile){
 
 bool check_if_dead(Snake *snake){
     //Self
-    for(int i = 0; i < snake->length; i++){
-        int part = part_of_snake(snake, snake->segments[i]);
-        if(part != -1 && part != i){
-            return true;
-        }
+    if(part_of_snake(snake, snake->segments[0]) > 0){
+        return true;
     }
 
     //Wall