Physics lib

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boomboommax

very easy to use, its all object based. heres the setup code for the first sample i posted (not the current one)

Local Physics_Obj:Photon_Physics_Lib = New Photon_Physics_Lib

Local tmpparticle:Photon_Physics_Particle[7]
tmpparticle[0] = Physics_Obj.AddParticle([200.0,100.0,0.0])
tmpparticle[1] = Physics_Obj.AddParticle([250.0,100.0,0.0])
tmpparticle[2] = Physics_Obj.AddParticle([250.0,150.0,0.0])
tmpparticle[3] = Physics_Obj.AddParticle([200.0,150.0,0.0])
tmpparticle[4] = Physics_Obj.AddParticle([200.0,200.0,0.0])
tmpparticle[5] = Physics_Obj.AddParticle([200.0,250.0,0.0])
tmpparticle[6] = Physics_Obj.AddParticle([200.0,300.0,0.0])

Physics_Obj.AddConstraint([tmpparticle[0],tmpparticle[1]])
Physics_Obj.AddConstraint([tmpparticle[1],tmpparticle[2]])
Physics_Obj.AddConstraint([tmpparticle[2],tmpparticle[3]])
Physics_Obj.AddConstraint([tmpparticle[3],tmpparticle[0]])

Physics_Obj.AddConstraint([tmpparticle[0],tmpparticle[2]])
Physics_Obj.AddConstraint([tmpparticle[1],tmpparticle[3]])

Physics_Obj.AddConstraint([tmpparticle[3],tmpparticle[4]])
Physics_Obj.AddConstraint([tmpparticle[4],tmpparticle[5]])
Physics_Obj.AddConstraint([tmpparticle[5],tmpparticle[6]])

then just call Physics_Obj.Update() in the main loop
edit: there is also now another option in the AddConstraint that enables you to make softbodies and all kinda squishy maddness.