pygame實現(xiàn)方塊動畫實例講解
導入組件
首先導入需要的組件,pygame游戲組件,time是時間組件
import pygame, time, sys from pygame.locals import *
繪制窗口
這里定義了一個480*600的屏幕,設置了窗口標題,并設置了屏幕的填充顏色為白色
# 屏幕的寬高
WIDTH = 480
HEIGHT = 600
# 顏色的常量
WHITE = (255, 255, 255)
surface = pygame.display.set_mode((WIDTH, HEIGHT), 0, 30)
pygame.display.set_caption("矩形動畫")
while True:
for event in pygame.event.get():
if event.type == QUIT:
pygame.quit()
sys.exit()
surface.fill(WHITE)
pygame.display.update()

繪制矩形
RED = (255, 0, 0)
# 定義矩形字典變量
rect = {'rect': pygame.Rect(200, 200, 60, 46), 'color': RED}
---
surface.fill(WHITE)
pygame.draw.rect(surface, rect['color'], rect['rect'])
---
讓矩形動起來
從運動來看只有中心向四方移動的四種可能。定義四個方向的常量。

# 方向常量 UPLEFT = 'upleft' UPRIGHT = 'upright' DOWNLEFT = 'downleft' DOWNRIGHT = 'downright'
然后定義矩形的移動速度
# 矩形移動的速度 MOVESPEED = 2
給矩形設置一個初始的移動方向
# 定義矩形字典變量
rect = {'rect': pygame.Rect(200, 200, 60, 46), 'color': RED, 'direction': UPLEFT}
根據(jù)矩形的移動方向改變對應的起始位置。根據(jù)矩形不同的位置改變矩形的起始位置。
# 如果是上左,則x y 都減少
if rect['direction'] == UPLEFT:
rect['rect'].left -= MOVESPEED
rect['rect'].top -= MOVESPEED
# 如果是上右,則x 增加 y 減少
if rect['direction'] == UPRIGHT:
rect['rect'].left += MOVESPEED
rect['rect'].top -= MOVESPEED
# 如果是下左,則x 減少 y 增加
if rect['direction'] == DOWNLEFT:
rect['rect'].left -= MOVESPEED
rect['rect'].top += MOVESPEED
# 如果是下右,則x y 都增加
if rect['direction'] == DOWNRIGHT:
rect['rect'].left += MOVESPEED
rect['rect'].top += MOVESPEED
不斷的改變矩形的位置,要注意防止移出窗口,當觸及到邊緣,沿來的方向將矩形改變方向即可。
# 如果上溢出窗口
if rect['rect'].top <= 0:
if rect['direction'] == UPLEFT:
rect['direction'] = DOWNLEFT
if rect['direction'] == UPRIGHT:
rect['direction'] = DOWNRIGHT
# 如果下溢出窗口
if rect['rect'].bottom >= HEIGHT:
if rect['direction'] == DOWNRIGHT:
rect['direction'] = UPRIGHT
if rect['direction'] == DOWNLEFT:
rect['direction'] = UPLEFT
# 如果右溢出窗口
if rect['rect'].right >= WIDTH:
if rect['direction'] == DOWNRIGHT:
rect['direction'] = DOWNLEFT
if rect['direction'] == UPRIGHT:
rect['direction'] = UPLEFT
# 如果右溢出窗口
if rect['rect'].left <= 0:
if rect['direction'] == DOWNLEFT:
rect['direction'] = DOWNRIGHT
if rect['direction'] == UPLEFT:
rect['direction'] = UPRIGHT
這樣就實現(xiàn)了功能。每次循環(huán)讓時間暫停一會即可。

這里附上所有代碼
import pygame, time, sys
from pygame.locals import *
# 屏幕的寬高
WIDTH = 480
HEIGHT = 600
# 顏色的常量
WHITE = (255, 255, 255)
RED = (255, 0, 0)
# 方向常量
UPLEFT = 'upleft'
UPRIGHT = 'upright'
DOWNLEFT = 'downleft'
DOWNRIGHT = 'downright'
# 矩形移動的速度
MOVESPEED = 2
# 定義矩形字典變量
rect = {'rect': pygame.Rect(200, 200, 60, 46), 'color': RED, 'direction': UPLEFT}
surface = pygame.display.set_mode((WIDTH, HEIGHT), 0, 30)
pygame.display.set_caption("矩形動畫")
while True:
print(rect)
for event in pygame.event.get():
if event.type == QUIT:
pygame.quit()
sys.exit()
surface.fill(WHITE)
# 如果是上左,則x y 都減少
if rect['direction'] == UPLEFT:
rect['rect'].left -= MOVESPEED
rect['rect'].top -= MOVESPEED
# 如果是上右,則x 增加 y 減少
if rect['direction'] == UPRIGHT:
rect['rect'].left += MOVESPEED
rect['rect'].top -= MOVESPEED
# 如果是下左,則x 減少 y 增加
if rect['direction'] == DOWNLEFT:
rect['rect'].left -= MOVESPEED
rect['rect'].top += MOVESPEED
# 如果是下右,則x y 都增加
if rect['direction'] == DOWNRIGHT:
rect['rect'].left += MOVESPEED
rect['rect'].top += MOVESPEED
# 如果上溢出窗口
if rect['rect'].top <= 0:
if rect['direction'] == UPLEFT:
rect['direction'] = DOWNLEFT
if rect['direction'] == UPRIGHT:
rect['direction'] = DOWNRIGHT
# 如果下溢出窗口
if rect['rect'].bottom >= HEIGHT:
if rect['direction'] == DOWNRIGHT:
rect['direction'] = UPRIGHT
if rect['direction'] == DOWNLEFT:
rect['direction'] = UPLEFT
# 如果右溢出窗口
if rect['rect'].right >= WIDTH:
if rect['direction'] == DOWNRIGHT:
rect['direction'] = DOWNLEFT
if rect['direction'] == UPRIGHT:
rect['direction'] = UPLEFT
# 如果右溢出窗口
if rect['rect'].left <= 0:
if rect['direction'] == DOWNLEFT:
rect['direction'] = DOWNRIGHT
if rect['direction'] == UPLEFT:
rect['direction'] = UPRIGHT
pygame.draw.rect(surface, rect['color'], rect['rect'])
pygame.display.update()
time.sleep(0.02)
到此這篇關于pygame實現(xiàn)方塊動畫的文章就介紹到這了,更多相關pygame 方塊動畫內容請搜索腳本之家以前的文章或繼續(xù)瀏覽下面的相關文章希望大家以后多多支持腳本之家!
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