save project

my_Tetris.py

 import pygame
-
 from pygame import locals
 import random
 
@@ -8,7 +7,9 @@ score = 0
 grid_size = 20  # 格子大小
 grid_num_width = 15     # 横向格子数量
 grid_num_height = 25      # 纵向格子数量
-FPS = 30
+FPS = 30                # 帧率
+count = 0
+states = False
 
 # 创建窗口
 screen = pygame.display.set_mode((460, 500))
@@ -46,12 +47,6 @@ cube_colors = [
     (255, 204, 0), (204, 0, 51),(255, 0, 51), (0, 102, 153),
     (153, 0, 51), (204, 255, 102), (255, 153, 0)]
 
-center = [2, 8]     # 第2行第8列
-shape = random.choice(shape_list)
-index = random.randint(0, len(shape)-1)     # 随机形状索引
-current_shape = shape[index]
-color = random.choice(cube_colors)          # 随机选取一种颜色
-
 def check(center):
     for cube in current_shape:
         cube = (cube[0] + center[0], cube[1] + center[1])
@@ -90,6 +85,19 @@ while True:
                     index = old_index
                     current_shape = shape[index]
 
+    if states == False:
+        states = True
+        center = [2, 8]     # 第2行第8列
+        shape = random.choice(shape_list)
+        index = random.randint(0, len(shape)-1)     # 随机形状索引
+        current_shape = shape[index]
+        color = random.choice(cube_colors)         # 随机选取一种颜色
+    count += 1
+    if count % FPS == 0:           # 降落速度的算式
+        center[0] = center[0] + 1
+        if check(center) == False:
+            center[0] = center[0] - 1      
+            states = False      
     # 将背景图画上去
     screen.blit(background, (0, 0))
     # 计算出所有小方块的行、列位置
@@ -110,7 +118,3 @@ while True:
     pygame.display.update()
     clock.tick(FPS)
  
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