save project

my_Tetris.py

@@ -44,6 +44,13 @@ cube_colors = [
     (255, 204, 0), (204, 0, 51),(255, 0, 51), (0, 102, 153),
     (153, 0, 51), (204, 255, 102), (255, 153, 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
+
 center = [4, 8]     # 第2行第8列
 current_shape = random.choice(random.choice(shape_list))
 color=random.choice(cube_colors)
@@ -55,13 +62,20 @@ while True:
             if event.key == locals.K_RIGHT:     # 向右
                 if center[1] < 15:
                     center[1] += 1
-            elif event.key == locals.K_LEFT:    # 向左
-                if center[1] > 1:
-                    center[1] -= 1
+                    enter[1]=center[1]-1
+                if check(center)==False:
+                    center[1]=center[1]+1
+            elif event.key == locals.K_LEFT:
+                if center[1]>1:
+                    center[1]-=1
+                    
+                if check(center)==False:
+                    center[1]+=1
             elif event.key == locals.K_DOWN:    # 向下
                 if center[0] < 25:
                     center[0] += 1
-
+                    if check(center)==False:
+                        center[1]=center[1]-1
     # 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