feat: boxes, pushing, failing before entering 'solid' tiles

1 files changed, 15 insertions, 9 deletions

diff --git a/Snake.py b/Snake.py
index 81c3b0b..c53af73 100644
--- a/Snake.py
+++ b/Snake.py
@@ -1,23 +1,29 @@
 
 import Vec
+from Vec import Vec2
+import Game
 
 class Snake:
 
     cells = []
     heading = Vec.up
+    game = None
+    hasCollided = False
 
-    def __init__(self, cells):
+    def __init__(self, cells: list[Vec2], game: Game):
         self.cells = cells
+        self.game = game
 
     def move(self):
-        self.cells.pop()
-        self.cells.insert(0, self.cells[0] + self.heading)
-
-    def headInTail(self):
-        res = False
-        for i in range(1, len(self.cells)):
-            res = res or (self.cells[0] == self.cells[i])
-        return res
+        nextPos = self.cells[0] + self.heading
+        if self.game.enter(nextPos, self.heading):
+            if nextPos in self.cells[1:len(self.cells)-1]:
+                self.hasCollided = True
+            else:
+                self.cells.pop()
+                self.cells.insert(0, nextPos)
+        else:
+            self.hasCollided = True
 
     def head(self):
         return self.cells[0]