function moving(x,y)
a=0.4
b=0.4
c=math.pow((math.pow(x,2)+math.pow(y,2)),0.5)
s=(a+b+c)/2
area=math.pow((s*(s-a)*(s-b)*(s-c)),0.5)
h=area/(2*c)
deg1_base=math.atan(x/y)
if x<0 and y<0 then
deg1_base=deg1_base+math.pi
end
deg1_tri=math.asin(h/a)
deg1=deg1_base+deg1_tri
deg2=math.pi-(0.5*math.pi-deg1_tri)-math.acos(h/b)
deg3=deg2-deg1
sim.setJointTargetPosition(joint01,deg1)
sim.setJointTargetPosition(joint02,-deg2)
sim.setJointTargetPosition(joint03,deg3)
end
function sysCall_threadmain()
joint01=sim.getObjectHandle('joint1')
joint02=sim.getObjectHandle('joint2')
joint03=sim.getObjectHandle('joint3')
jointz=sim.getObjectHandle('jointz')
sim.setJointTargetPosition(joint01,0)
sim.setJointTargetPosition(joint02,0)
sim.setJointTargetPosition(joint03,0)
sim.setJointTargetPosition(jointz,0)
sim.setIntegerSignal("pad_switch",1)
sim.setJointTargetPosition(jointz,-0.075)
sim.wait(4)
sim.setJointTargetPosition(jointz,0)
sim.wait(4)
while sim.getSimulationState()~=sim.simulation_advancing_abouttostopre do
moving(0.2,0.7)
sim.wait(4)
sim.setIntegerSignal("pad_switch",0)
sim.wait(4)
sim.setIntegerSignal("pad_switch",1)
sim.setJointTargetPosition(jointz,-0.075)
sim.wait(4)
sim.setJointTargetPosition(jointz,0)
sim.wait(4)
moving(-0.3,-0.55)
sim.wait(4)
sim.setIntegerSignal("pad_switch",0)
sim.wait(4)
sim.setIntegerSignal("pad_switch",1)
sim.setJointTargetPosition(jointz,-0.075)
sim.wait(4)
sim.setJointTargetPosition(jointz,0)
sim.wait(4)
end
end