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俄罗斯方块.py

-import pygame
+import pygame
 import pygame
 from pygame import locals
-
+import random
 pygame.init()   # 初始化
 score = 0
 grid_size = 20  # 格子大小
@@ -15,37 +15,72 @@ clock = pygame.time.Clock()  # pygame时钟，控制游戏速度（帧数）
 # 载入素材
 background = pygame.image.load('bg.png')
 font = pygame.font.Font('STKAITI.TTF', 60)  # 字体
+
+# 俄罗斯方块所有形状
+O = [[(0, 0), (0, 1), (1, 0), (1, 1)]]
+I = [[(0, -1), (0, 0), (0, 1), (0, 2)],
+     [(-1, 0), (0, 0), (1, 0), (2, 0)]]
+Z = [[(0, -1), (0, 0), (1, 0), (1, 1)],
+     [(-1, 0), (0, 0), (0, -1), (1, -1)]]
+S = [[(-1, 0), (0, 0), (0, 1), (1, 1)],
+     [(1, -1), (1, 0), (0, 0), (0, 1)]]
+T = [[(0, -1), (0, 0), (0, 1), (-1, 0)],
+     [(-1, 0), (0, 0), (1, 0), (0, 1)],
+     [(0, -1), (0, 0), (0, 1), (1, 0)],
+     [(-1, 0), (0, 0), (1, 0), (0, -1)]]
+J = [[(-1, 0), (0, 0), (1, 0), (1, -1)],
+     [(0, -1), (0, 0), (0, 1), (-1, -1)],
+     [(-1, 0), (0, 0), (1, 0), (-1, 1)],
+     [(0, -1), (0, 0), (0, 1), (1, 1)]]
+L = [[(-1, 0), (0, 0), (1, 0), (1, 1)],
+     [(0, -1), (0, 0), (0, 1), (1, -1)],
+     [(-1, 0), (0, 0), (1, 0), (-1, -1)],
+     [(0, -1), (0, 0), (0, 1), (-1, 1)]]
+shape_list = [I, J, L, O, S, T, Z]  # 7种类型俄罗斯方块
+
+# 一些RGB颜色
+cube_colors = [
+    (204, 153, 153), (102, 102, 153),(153, 0, 102), 
+    (255, 204, 0), (204, 0, 51),(255, 0, 51), (0, 102, 153),
+    (153, 0, 51), (204, 255, 102), (255, 153, 0)]
+
 center=[2,8]
-curr_shape=[(0,-1),(0,0),(0,1),(0,2)]
+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])
+        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():#遍历各种事件
         if event.type == locals.QUIT:
             exit()#点击窗口上的x就退出
         if event.type==locals.KEYDOWN:
             if event.key ==locals.K_RIGHT:
-                if center[1]<15:
-                    center[1]=center[1]+1
-            elif event.key ==locals.K_LEFT:
-                if center[1]>1:
+                center[1]=center[1]+1
+                if check(center)==False:
                     center[1]=center[1]-1
+            elif event.key ==locals.K_LEFT:
+                center[1]=center[1]-1
+                if check(center)==False:
+                    center[1]=center[1]+1
             elif event.key ==locals.K_DOWN:
-                if center[0]<25:
-                    center[0]=center[0]+1
+                center[0]=center[0]+1
+                if check(center)==False:
+                    center[0]=center[0]-1
     # 将背景图画上去
     screen.blit(background,(0,0))#绘制（blit）背景
     curr_pos=[]
-    for cube in curr_shape:
+    for cube in current_shape:
         bb=(cube[0]+center[0],cube[1]+center[1])
         curr_pos.append(bb)
     for cube in curr_pos:
-        pygame.draw.rect(screen,(255,0,0),
-                        (cube[1]*20-20,center[0]*20-20,
-                        20,20),
-                        0)#在（140，20）画一个20*20的红色实心方块
-        pygame.draw.rect(screen,(255,255,255),
-                        (cube[1]*20-20,center[0]*20-20,
-                        20,20),
-                        1)#在（140，20）画一个20*20的白色空心方块（线条为1）
+        pygame.draw.rect(screen,color,(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)
     # 得分(350,70)
     score_text=font.render(str(score),True,(0,0,0))#设置得分参数
     screen.blit(score_text,(350,70))#绘制得分