main.py

@@ -22,6 +22,7 @@ class body():
     
 class SNAKE():
     def __init__(self, star_point_x, star_point_y, start_rotate = 0):
+        self.tail_rot = 0
         self.body = [
             body(star_point_x, star_point_y, start_rotate, "head"),
             body(star_point_x - 1, star_point_y, start_rotate, "tail")
@@ -32,18 +33,27 @@ class SNAKE():
             if body.x == x and body.y == y:
                 cont = 1
         return cont
-    def add_dody(self):
-        self.body[len(self.body)-1].type = "body"
+    def add_body(self):
+        
         last_body = self.body[len(self.body)-1]
 
-        new_body = body(0,0, last_body.rotate, "tail")
-        v_x = int(math.cos(math.radians(last_body.rotate)))
-        v_y = int(math.sin(math.radians(last_body.rotate)))
+        new_body = body(last_body.x,last_body.y, self.tail_rot, "tail")
+        v_x = int(math.cos(math.radians(self.tail_rot)))
+        v_y = int(math.sin(math.radians(self.tail_rot)))
 
-        new_body.x = -v_x + last_body.x
-        new_body.y = -v_y + last_body.y
+        new_body.x = last_body.x -v_x
+        new_body.y = last_body.y -v_y
+
+        l = len(self.body)-1
+
+        if self.body[l].rotate != self.tail_rot:
+            self.body[l].type = "body-rotate" 
+            self.body[l].rotate = self.calculate_rot(self.body[l].rotate, self.tail_rot)
+        else:
+            self.body[l].type = "body"
 
         self.body.append(new_body)
+        
     def calculate_rot(self, degr1, degr2):
         # deg1 - угол ближайшей к голове части
         # deg2 - угол дальней от голове части 
@@ -60,39 +70,49 @@ class SNAKE():
         return 90
     
     def calculate_coeff(self, degr):
-        return math.cos(math.radians(degr - 90)) + math.sin(math.radians(degr + 90))
+        return math.cos(math.radians(degr)) + math.sin(math.radians(degr))
     
-    def convert_rot_to_tail(self, deg0, deg2 ):
+    def convert_rot_to_body(self, deg0, deg1 ):
         # deg1 - угол ближайшей к голове части
         # deg0 - угол переходной части (он особый)
         deg0 = deg0 % 360
-        deg2 = deg2 % 360
-        if (deg0 == 180 and deg2 == 270) or (deg0 == 270 and deg2 == 90):
+        deg1 = deg1 % 360
+        if (deg0 == 180 and deg1 == 270) or (deg0 == 270 and deg1 == 90):
             return 180
-        if (deg0 == 90 and deg2 == 270) or (deg0 == 0 and deg2 == 90):
+        if (deg0 == 90 and deg1 == 270) or (deg0 == 0 and deg1 == 90):
             return 0
-        if ((deg0 == 90) and deg2 == 180) or (deg0 == 180 and deg2 == 0):
+        if ((deg0 == 90) and deg1 == 180) or (deg0 == 180 and deg1 == 0):
             return 90
-        if (deg0 == 0 and deg2 == 180) or (deg0 == 270 and deg2 == 0):
+        if (deg0 == 0 and deg1 == 180) or (deg0 == 270 and deg1 == 0):
             return 270
         return 0
+    # def convert_rot_to_tail(self, deg0, deg2):
+        
+    
+    def calc_tail_rotate(self):
+        tail = self.body[len(self.body)-1]
+        pre_last = self.body[len(self.body)-2]
+
+        grad = 0
+        pos_x = tail.x
+        pos_y = tail.y
+
+        while not((pre_last.x == pos_x) and (pre_last.y == pos_y)):
+            pos_x = tail.x + int(math.cos(math.radians(grad)))
+            pos_y = tail.y + int(math.sin(math.radians(grad)))
+            grad += 90
+        return grad - 90
     
     def move(self, vector):
-        l = len(self.body)-1
-        i = l
+        i = len(self.body)-1 
+        self.tail_rot = self.body[len(self.body)-1 ].rotate
 
         while i > 0:
             self.body[i].x = self.body[i-1].x
             self.body[i].y = self.body[i-1].y
-            self.body[i].rotate = self.body[i-1].rotate if self.body[i-1] != "body-rotate" else self.convert_rot_to_tail(self.body[i-1].rotate, self.body[i].rotate)
-
+            self.body[i].rotate = self.body[i-1].rotate
             self.body[i].type = self.body[i-1].type
-            
-            # elif (self.body[i].type == "tail") and self.body[i-1].type == "body-rotate":
-            #     self.body[l].rotate = self.convert_rot_to_tail(self.body[l-1].rotate, self.body[l].rotate)
-                
-            i = i - 1
-
+            i -= 1
 
         self.body[0].rotate = vector * 90
         self.body[0].x = int(math.cos(math.radians(self.body[0].rotate))) + self.body[0].x
@@ -104,10 +124,10 @@ class SNAKE():
         else:
             self.body[1].type = "body"
 
+        self.body[len(self.body)-1 ].type = "tail"
+        self.body[len(self.body)-1 ].rotate = self.calc_tail_rotate()
+
         
-        self.body[l].type = "tail"
-        # self.body[l].rotate = lf.body[l-1].type == "body-rotate" else self.body[l-1].rotate
-        # print(f"Move {vector}")
 
 
 class Level_data():
@@ -221,7 +241,7 @@ class MYGAME(arcade.Window):
                 self.food_list[i].kill()
                 self.food.pop(i)
                 self.score += 1
-                self.snake.add_dody()
+                self.snake.add_body()
                 self.player_list.append(arcade.Sprite())
             i += 1
         # Enemy_spawn