鼠标跟随

 1 from processing import *
 2 from math import sin
 3 
 4 X = 30
 5 Y = 30
 6 radius = 30
 7 
 8 def setup():
 9     strokeWeight(10)
10     frameRate(20)
11     size(400,300)
12 
13 def draw():
14     global X, Y, radius
15     delay = 16
16     background(100)
17     stroke(255)
18     fill(0,121,184)
19     X += (mouse.x-X)/delay;
20     Y += (mouse.y-Y)/delay;
21     radius = radius + sin(environment.frameCount / 4)
22 
23     ellipse(X,Y,radius,radius)
24 
25 def keyPressed():
26     print(‘A key was pressed‘, keyboard.key)
27     exitp()
28 
29 run()