2.event_test/“

luyishisi · luyishisi · commit f66e73129edd · 2015-12-07T16:54:44.000+08:00
diff --git a/python_game/2.event_test/1.1.jpg b/python_game/2.event_test/1.1.jpg
diff --git a/python_game/2.event_test/event_key.py b/python_game/2.event_test/event_key.py
@@ -0,0 +1,37 @@
+#coding:utf-8
+import pygame
+from pygame.locals import *
+from sys import exit
+
+background_image_filename = '1.1.jpg'
+
+pygame.init()
+screen = pygame.display.set_mode((1280,800),0,32)
+background = pygame.image.load(background_image_filename).convert()
+#以上的请看前几篇的解释。
+x,y=0,0
+move_x ,move_y = 0,0
+
+while True:
+    for event in pygame.event.get():
+        if event.type == QUIT:
+            exit()
+        if event.type == KEYDOWN:
+        #开始检测，是否按键下面的很直观就是表现移动值
+            if event.key == K_LEFT:
+                move_x = -1
+            elif event.key == K_RIGHT:
+                move_x = 1
+            elif event.key == K_UP:
+                move_y = -1
+            elif event.key == K_DOWN:
+                move_y = 1
+        elif event.type == KEYUP:
+            move_x ,move_y = 0,0
+#这里很精妙了，因为把原文中的缩进提前，下面的五行都属于while中了，所以自然会一直的被捕捉到。
+    x += move_x
+    y += move_y
+
+    screen.fill((0,0,0))
+    screen.blit(background,(x,y))
+    pygame.display.update()
diff --git a/python_game/2.event_test/event_test.py b/python_game/2.event_test/event_test.py
@@ -0,0 +1,36 @@
+#coding:utf-8
+import pygame 
+from pygame.locals import *
+from sys import exit
+
+pygame.init()
+screen_size = (1280,800)
+
+screen = pygame.display.set_mode(screen_size, 0 ,32)
+#初始化屏幕，大小1280*800，不使用特殊，32色。
+font = pygame.font.SysFont("arial",16);
+font_height = font.get_linesize()
+event_text = []
+#调用系统字体，获取行高的数值，建立一个列表用来存放事件
+
+while True:
+
+    event = pygame.event.wait()
+    event_text.append(str(event))
+#建立事件等待，获取到就转换成字符串给列表。
+    event_text = event_text[-screen_size[1]/font_height:]
+#切片处理，暂时还没有领悟，大概作用是一次只保留屏幕所能显示的那部分
+    if event.type == QUIT:
+        exit()
+
+    screen.fill((0,0,0))
+#设置背景色，0,0,0就是全黑
+    y = screen_size[1]-font_height
+
+    for text in reversed(event_text):
+        screen.blit(font.render(text,True,(0,255,0)),(0,y))
+
+        y -= font_height
+#这里是打印出所有事件。
+    pygame.display.update()
+
