12/03/2007

Force

1.GravitationalForce
 0:GravitationalConstant:-1.0 (正值表引力,負值表斥力)
 1:Distance:-1.0
 2:BarnesHutTheta:0.9

2. DragForce (穩定)
 0:DragCoefficient:0.01

3. SpringForce
 0:SpringCoefficient:1.0E-4
 1:DefaultSpringLength:50.0 (edge長短)

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