Python物理引擎的杠杆演示

以下是部分代码预览:

from pyphysicssandbox import *

WIN_WIDTH = 500
WIN_HT = 600
window("Python物理引擎的杠杆演示", WIN_WIDTH, WIN_HT)
gravity(0.0, 10.0)

# 黑色的地板
base = static_box((0, 500), WIN_WIDTH, 10)
base.color = Color("black")

# 绿色的三角形支掌点
triangle = polygon(((250, 450), (275, 500), (225, 500)))
triangle.color = Color("green")

# 深蓝色的杠杆
lever = polygon(((50, 390), (65, 390), (65, 430), (450, 430), (450, 450), (50, 450)))
lever.color = Color("darkblue")
lever.elasticity = 0.90

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