def generate_item(self, env, x, y):
        p = randint(0, 150)

        if p < 2:
            self.items.append(SpringShoes(env, (x + 30, y + 50)))
        elif p < 4:
            self.items.append(GravityReducer(env, (x + 30, y + 50)))
    def generate_item(self, env, x, y):
        p = randint(0, 100)

        if p < 2:
            self.items.append(SpringShoes(env, (x + 30, y + 50)))
        elif p < 4:
            self.items.append(GravityReducer(env, (x + 30, y + 50)))
        elif p < 15:
            self.monsters.append(Slime(env, (x + 10, y + 60)))
    def generate_item(self, env, x, y):
        p = randint(0, 100)

        if p < 6:
            self.items.append(SpringShoes(env, (x + 30, y + 50)))
        elif p < 9:
            self.items.append(GravityReducer(env, (x + 30, y + 50)))
        elif p < 10:
            self.items.append(Coin(env, (x + 30, y + 50)))