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
@@ -45,7 +45,16 @@ cube_colors = [
     (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)
+current_shape=shape[index]
+color=random.choice(cube_colors)
 current_shape = [(0, -1), (0, 0), (0, 1), (-1, 0)]
+def check(center):
+    for cube in current_shape:
+        cube=(cube[0]+center[0],cube[1]+center[1])
+        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():
@@ -53,14 +62,26 @@ while True:
             exit()
         if event.type == locals.KEYDOWN:
             if event.key == locals.K_RIGHT:     # 向右
-                if center[1] < 15:
-                    center[1] += 1
+                center[1]=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
+                center[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
+                center[0]=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))
@@ -71,7 +92,7 @@ while True:
         current_pos.append(pos)
     # 取出所有小方块的行、列位置，计算坐标，绘制俄罗斯方块
     for cube in current_pos:
-        pygame.draw.rect(screen, color,
+        pygame.draw.rect(screen, (255,0,0),
                     (cube[1] * 20-20, cube[0] * 20-20, 20, 20), 0)
         pygame.draw.rect(screen, (255, 255, 255), 
                         (cube[1] * 20-20, cube[0] * 20-20, 20, 20), 1)