update: movement

main.py

@@ -21,7 +21,7 @@ class body():
         self.type = type
     
 class SNAKE():
-    def __init__(self, star_point_x, star_point_y, start_rotate = 90):
+    def __init__(self, star_point_x, star_point_y, start_rotate = 0):
         self.body = [
             body(star_point_x, star_point_y, start_rotate, "head"),
             body(star_point_x - 1, star_point_y, start_rotate, "tail")
@@ -37,44 +37,79 @@ class SNAKE():
         last_body = self.body[len(self.body)-1]
 
         new_body = body(0,0, last_body.rotate, "tail")
-        v_x = int(-math.sin(-last_body.rotate * math.pi / 180))
+        v_x = int(math.cos(math.radians(last_body.rotate)))
+        v_y = int(math.sin(math.radians(last_body.rotate)))
+
         new_body.x = -v_x + last_body.x
-        v_y = int(math.cos(-last_body.rotate * math.pi / 180))
         new_body.y = -v_y + last_body.y
 
         self.body.append(new_body)
+    def calculate_rot(self, degr1, degr2):
+        # deg1 - угол ближайшей к голове части
+        # deg2 - угол дальней от голове части 
+        degr1 = degr1 % 360
+        degr2 = degr2 % 360
+        if (degr1 == 180 and degr2 == 270) or (degr1 == 90 and degr2 == 0):
+            return 180
+        if (degr1 == 0 and degr2 == 90) or (degr1 == 270 and degr2 == 180):
+            return 0
+        if ((degr1 == 90) and degr2 == 180) or (degr1 == 0 and degr2 == 270):
+            return 90
+        if (degr1 == 270 and degr2 == 0) or (degr1 == 180 and degr2 == 90):
+            return 270
+        return 90
+    
+    def calculate_coeff(self, degr):
+        return math.cos(math.radians(degr - 90)) + math.sin(math.radians(degr + 90))
+    
+    def convert_rot_to_tail(self, deg0, deg2 ):
+        # 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):
+            return 180
+        if (deg0 == 90 and deg2 == 270) or (deg0 == 0 and deg2 == 90):
+            return 0
+        if ((deg0 == 90) and deg2 == 180) or (deg0 == 180 and deg2 == 0):
+            return 90
+        if (deg0 == 0 and deg2 == 180) or (deg0 == 270 and deg2 == 0):
+            return 270
+        return 0
 
     def move(self, vector):
-        self.body[0].rotate = vector * 90
+        l = len(self.body)-1
+        i = l
         
-
-        i = len(self.body)-1
-        self.body[len(self.body)-1].type = "tail"
-        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
-
-        i-=1
         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].type = self.body[i-1].type 
             
-            if abs(math.cos(self.body[i+1].rotate)) == abs(math.cos(self.body[i-1].rotate)) or abs(math.sin(self.body[i+1].rotate)) == abs(math.sin(self.body[i-1].rotate)):
+            # elif (self.body[i].type == "tail") and self.body[i-1].type == "body-rotate":
-                self.body[i].type = "body"
+            #     self.body[l].rotate = self.convert_rot_to_tail(self.body[l-1].rotate, self.body[l].rotate)
-                self.body[i].rotate = self.body[i-1].rotate
-            else:
-                self.body[i].type = "body-rotate"
-                self.body[i].rotate = (self.body[i+1].rotate - 90) % 360
-                
-            
                 
             i = i - 1
-        self.body[0].x = int(-math.sin(-(vector * 90) * math.pi / 180)) + self.body[0].x
-        self.body[0].y = int(math.cos(-(vector * 90) * math.pi / 180)) + self.body[0].y
 
+                 
+        self.body[0].rotate = vector * 90
+        self.body[0].x = int(math.cos(math.radians(self.body[0].rotate))) + self.body[0].x
+        self.body[0].y = int(math.sin(math.radians(self.body[0].rotate))) + self.body[0].y
+
+        if self.body[0].rotate != self.body[1].rotate:
+            self.body[1].type = "body-rotate" 
+            self.body[1].rotate = self.calculate_rot(self.body[0].rotate, self.body[1].rotate)
+        else:
+            self.body[1].type = "body" 
+            
+        
+        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():
     def __init__(self, level_data_json = []):
         if level_data_json:
@@ -120,8 +155,8 @@ class MYGAME(arcade.Window):
 
         # food
         self.food_list = arcade.SpriteList()
-        self.food_sleep = 300
+        self.food_sleep = 200
-        self.delay = 400
+        self.delay = 200
         self.food = []
         # Счет
         self.score = 0
@@ -133,7 +168,7 @@ class MYGAME(arcade.Window):
         # Загрузка змеи
         for body in self.snake.body:
             snake_sprite = arcade.Sprite(f"./DATA/Sprites/Snake/{body.type}.png", self.scale_)
-            snake_sprite.angle = 90
+            snake_sprite.angle = 0
             snake_sprite.center_x = self.level_start[0] - 16 + ( body.x + 1 ) * 32 * self.scale_
             snake_sprite.center_y = self.level_start[1] - 16 + ( body.y + 1 ) * 32 * self.scale_
             self.player_list.append(snake_sprite)
@@ -171,7 +206,7 @@ class MYGAME(arcade.Window):
             i = 0
             while i < len(self.snake.body):
                 self.player_list[i] = arcade.Sprite(f"./DATA/Sprites/Snake/{self.snake.body[i].type}.png", self.scale_)
-                self.player_list[i].angle = self.snake.body[i].rotate
+                self.player_list[i].angle = 360 - self.snake.body[i].rotate
                 self.player_list[i].center_x = self.level_start[0] - 16 + ( self.snake.body[i].x + 1 ) * 32 * self.scale_
                 self.player_list[i].center_y = self.level_start[1] - 16 + ( self.snake.body[i].y + 1 ) * 32 * self.scale_
                 i = i + 1
@@ -230,20 +265,20 @@ class MYGAME(arcade.Window):
         if len(self.player_list) > 0:
             
             if key in (arcade.key.UP, arcade.key.W):
-                if self.floor_grid[self.snake.body[0].y + 1][self.snake.body[0].x] == 1 and self.snake.body[0].rotate != 180 and not(self.snake.check_contact(self.snake.body[0].x ,self.snake.body[0].y+1)):   
+                if self.floor_grid[self.snake.body[0].y + 1][self.snake.body[0].x] == 1 and self.snake.body[0].rotate != 270 and not(self.snake.check_contact(self.snake.body[0].x ,self.snake.body[0].y+1)):   
-                    self.snake.move(0)
+                    self.snake.move(1)
                 
             elif key in (arcade.key.DOWN, arcade.key.S):
-                if self.floor_grid[self.snake.body[0].y - 1][self.snake.body[0].x] == 1 and self.snake.body[0].rotate != 0 and not(self.snake.check_contact(self.snake.body[0].x ,self.snake.body[0].y-1)):   
+                if self.floor_grid[self.snake.body[0].y - 1][self.snake.body[0].x] == 1 and self.snake.body[0].rotate != 90 and not(self.snake.check_contact(self.snake.body[0].x ,self.snake.body[0].y-1)):   
-                    self.snake.move(2)
-
-            elif key in (arcade.key.LEFT, arcade.key.A):
-                if self.floor_grid[self.snake.body[0].y][self.snake.body[0].x - 1] == 1 and self.snake.body[0].rotate != 90 and not(self.snake.check_contact(self.snake.body[0].x - 1,self.snake.body[0].y)):   
                     self.snake.move(3)
 
+            elif key in (arcade.key.LEFT, arcade.key.A):
+                if self.floor_grid[self.snake.body[0].y][self.snake.body[0].x - 1] == 1 and self.snake.body[0].rotate != 0 and not(self.snake.check_contact(self.snake.body[0].x - 1,self.snake.body[0].y)):   
+                    self.snake.move(2)
+
             elif key in (arcade.key.RIGHT, arcade.key.D):
-                if self.floor_grid[self.snake.body[0].y][self.snake.body[0].x + 1] == 1 and self.snake.body[0].rotate != 270 and not(self.snake.check_contact(self.snake.body[0].x + 1,self.snake.body[0].y)):   
+                if self.floor_grid[self.snake.body[0].y][self.snake.body[0].x + 1] == 1 and self.snake.body[0].rotate != 180 and not(self.snake.check_contact(self.snake.body[0].x + 1,self.snake.body[0].y)):   
-                    self.snake.move(1)
+                    self.snake.move(0)
 
     def on_key_release(self, key, modifiers):
         """Вызывается, когда пользователь отпускает клавишу"""