import pgzrun #导入游戏库
import random
WIDTH = 800 #设置窗口宽度
HEIGHT = 600 #设置窗口高度
balls = [] #类似建立一个空文档
def draw(): #这段是整个框架，之后两段是在里面填充
screen.fill('white')
for ball in balls: #绘制所有的圆
screen.draw.filled_circle((ball[0],ball[1]),ball[4],(ball[5],ball[6],ball[7]))
def update():
# 设置小球自动弹跳
for ball in balls:
ball[0] = ball[0] + ball[2]
ball[1] = ball[1] + ball[3]
if ball[0] > WIDTH - ball[4] or ball[0] < ball[4]:
ball[2] = - ball[2]
if ball[1] > HEIGHT - ball[4] or ball[1] < ball[4]:
ball[3] = - ball[3]
def on_mouse_move(pos,rel,buttons):#当鼠标移动时
if mouse.LEFT in buttons: #当鼠标左键按下时
x = pos[0] #鼠标的x坐标，设为小球的x坐标
y = pos[1] #鼠标的y坐标，设为小球的y坐标
speed_x = random.randint(1,5) #小球x方向的速度
speed_y = random.randint(1, 5) #小球y方向的速度
r = random.randint(5,50) #小球半径
colorR = random.randint(10,255) #小球三个颜色分量
colorG = random.randint(10,255)
colorB = random.randint(10,255)
# 储存小球所有信息的列表，比如ball【0】就是x，ball【5】就是colorR 这是一个倒叙手法！！！圆形时间叙事 （这段可以跟上段update互换）
ball = [x,y,speed_x,speed_y,r,colorR,colorG,colorB]
balls.append(ball) #把单个小球的信息添加到balls中，
pgzrun.go()
许多个淡紫色小球同时无规律运动：
import pgzrun #导入游戏库
import random
WIDTH = 800 #设置窗口宽度
HEIGHT = 600 #设置窗口高度
balls = [] #类似建立一个空文档
for i in range(25):
x = random.randint(100,WIDTH-100)
y = random.randint(100,HEIGHT-100)
speedx = random.randint(1,4)
speedy = random.randint(1, 4)
r = 20
ball = [x,y,speedx,speedy]
balls.append(ball)
def draw(): #这段是整个框架，之后两段是在里面填充
screen.fill('white')
for ball in balls: #绘制所有的圆
screen.draw.filled_circle((ball[0],ball[1]),r,(189,193,243))
def update():
# 设置小球自动弹跳
for ball in balls:
ball[0] = ball[0] + ball[2]
ball[1] = ball[1] + ball[3]
if ball[0] > WIDTH - r or ball[0] <r:
ball[2] = - ball[2]
if ball[1] > HEIGHT - r or ball[1] < r:
ball[3] = - ball[3]
pgzrun.go()
