Pray god to solve pygame keydown and keyup problems at the same time-CodePudding

 import pygame 


The class MainProgress: 
Screen_width=500 
Screen_height=300 
Screen=None 
@ staticmethod 
Def start_game () : 
Pygame. Display. The init () 
MainProgress. Screen=pygame. Display. Set_mode ((MainProgress. Screen_width, MainProgress. Screen_height)) 
Pygame. Display. Set_caption (' Tank war ') 
Pygame. Surface. The fill (MainProgress. Screen (255, 255, 255)) 
MainProgress. Screen. Blit (MainProgress set_text (), (0, 0)) 

@ staticmethod 
Def set_text () : 
Pygame. The font. The init () 
The font=pygame. The font. SysFont (20) "blackbody," 
Text=the font. Render (' your score of 10, True, (0, 0, 0)) 
Return the text 

The class BaseItem (pygame. Sprite. Sprite) : 
Def __init__ (self) : 
Pygame. Sprite. Sprite. __init__ (self) 


The class Tank () : 
Def __init__ (self) : 
The self. The speed=10 
The self. The direction="up" 
Self. Life=3 
Self. Images={
"Up" : pygame. Image. The load (r "E: \ PythonNote \ image \ p1tankU GIF"), 
"Down" : pygame. Image. The load (r "E: \ PythonNote \ image \ p1tankD GIF"), 
"Left" : pygame. Image. The load (r "E: \ PythonNote \ image \ p1tankL GIF"), 
"Right" : pygame. Image. The load (r "E: \ PythonNote \ image \ p1tankR GIF"), 
} 
Self. Image=self. Images [self direction] 
The self. The rect=self. Image. Get_rect () # the rect a surface can use the rect. Left (top, bottom, right, center, centerx, centery) changes position 
The self. The rect. Centerx x=250 # modified center coordinates, 
The self. The rect. Centery=290 
Self. Up_move=False 
Self. Down_move=False 
Self. Left_move=False 
Self. Right_move=False 

Def get_event (self) : 
Events=pygame. Event. The get () 
For the event in the events: 
If the event. The type==pygame. QUIT: 
The quit () 
Elif event. Type==pygame. KEYDOWN: 
Print (' key down ') 
If the event. The key==pygame. K_w: 
The self. The direction="up" 
Self. Up_move=True 
Elif event. The key==pygame. K_a: 
The self. The direction="left" 
Self. Left_move=True 
Elif event. The key==pygame. K_s: 
The self. The direction="down" 
Self. Down_move=True 
Elif event. The key==pygame. K_d: 
The self. The direction="right" 
Self. Right_move=True 
Elif event. The key==pygame. K_SPACE: 
Print (' fire ') 
Elif event. Type==pygame. KEYUP: 
Print (' key up ') 
If the event. The key==pygame. K_w: 
Self. Up_move=False 
Elif event. The key==pygame. K_a: 
Self. Left_move=False 
Elif event. The key==pygame. K_s: 
Self. Down_move=False 
Elif event. The key==pygame. K_d: 
Self. Right_move=False 

Def move_tank (self) : 
If self. Up_move and self. The rect. Top & gt; 0: 
The self. The rect. Centery -=1 
If self. Down_move and self. The rect. Bottom & lt;=MainProgress. Screen_height: 
The self. The rect. Centery +=1 
If self. Left_move and self. The rect. Left & gt; 0: 
The self. The rect. Centerx -=1 
If self. Right_move and self. The rect. Right & lt;=MainProgress. Screen_width: 
The self. The rect. Centerx +=1 
Self. Image=self. Images [self direction] 
MainProgress. Screen. Blit (tank) image, tank. The rect) 
Pygame. Display. Flip () 


Tank=tank () 

While True: 
MainProgress. Start_game () 
Tank. Get_event () 
Tank. Move_tank ()
I want to achieve continuous mobile tanks,
Key is tanks move getevent this function, I think no problem, but each press movement can also prompt keydown and keyup, so will not be able to realize the tank continuous motion, the great god help see