@name Constant velocity test
@inputs 
@outputs 
@persist 
@trigger 
runOnTick(1)
timer("delay",1000)
E=entity()
V=vec(0,2,0)
if(clk("delay")){print("velocity start:"+E:vel())}
E:applyForce(E:mass()*(V-E:vel()))
if(clk("delay")){print("velocity end: "+E:vel())}
