save project

my_Tetris.py

 import pygame
 from pygame import locals
-
+import random
 pygame.init()   # 初始化
 score = 0
 grid_size = 20  # 格子大小
@@ -45,23 +45,43 @@ cube_colors = [
     (153, 0, 51), (204, 255, 102), (255, 153, 0)]
 
 center = [2, 8]     # 第2行第8列
-current_shape = [(0, -1), (0, 0), (0, 1), (-1, 0)]
-
+shape = random.choice(shape_list)
+index = random.randint(0,len(shape)-1)
+current_shape = shape[index]
+color = random.choice(cube_colors)
+def check(center):
+    for cube in current_shape:
+        cube = (cube[0] + center[0],cube[1]+center[1])
+        #当前小方块超出网格的行
+        if cube[0]<1 or cube[1]<1 or cube[0]>grid_num_height \
+                or cube[1] >grid_num_width:
+            return False
 while True:
     for event in pygame.event.get():
         if event.type == locals.QUIT:
             exit()
         if event.type == locals.KEYDOWN:
             if event.key == locals.K_RIGHT:     # 向右
-                if center[1] < 15:
                 center[1] += 1
+                if check(center) == False:
+                    center[1] = center[1] -1
             elif event.key == locals.K_LEFT:    # 向左
-                if center[1] > 1:
                 center[1] -= 1
+                if check(center) == False:
+                    center[1] = center[1] +1
             elif event.key == locals.K_DOWN:    # 向下
-                if center[0] < 25:
                 center[0] += 1
-
+                if check(center) == False:
+                    center[0] = center[0] -1
+            elif event.key == locals.K_UP:                
+                old_index = index
+                index += 1
+                if index >= len(shape):
+                    index =0
+                current_shape= shape[index]
+                if check(center) == False:
+                    index = old_index
+                    current_shape = shape[index]
     # 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