Pygame 遊戲設計:鍵盤控制角色移動

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本篇文章展示如何使用Pygame來控制遊戲中角色的移動。可參考此篇教學:「Day27-安裝使用PyGame套件」來安裝 Pygame;或是使用有內建Pygame的Mu Code Editor,本文將使用Mu Code Editor來示範。開啟Mu Editor後,要先設定程式碼撰寫的模式(Mode),請點選Mu Editor左上角的 Mode圖示:

選擇Pygame Zero:

按下 New 的圖示:

接著就要開始寫程式了!程式碼如下:

# -*- coding: utf-8 -*-
import pygame
pygame.init()
#
# Step 1: Create the screen window
#
# Screen width, height
S_W = 500
S_H = 500
winScreen = pygame.display.set_mode((S_W, S_H))
pygame.display.set_caption("Keyboard Demo")
#
# Step 2: Set the Ball's velocity, position, size
#
R = 20
x = int((S_W - R) / 2)
y = int((S_H - R) / 2)
vel = 5
run = True
while run:
pygame.time.delay(10)
#
# Step 3: Detect which key is pressed.
#
for event in pygame.event.get():
if event.type == pygame.QUIT:
run = False
keys = pygame.key.get_pressed()
if keys[pygame.K_LEFT]:
x -= vel
if keys[pygame.K_RIGHT]:
x += vel
if keys[pygame.K_UP]:
y -= vel
if keys[pygame.K_DOWN]:
y += vel
#
# Step 4: Draw the ball.
#
winScreen.fill((0, 0, 0)) # Fills the screen with black
pygame.draw.circle(winScreen, (255, 255, 0), (x, y), R)
pygame.display.update()
pygame.quit()
測試影片:



參考資料:
[1] https://techwithtim.net/tutorials/game-development-with-python/pygame-tutorial/pygame-tutorial-movement/


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