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W7 Keyboard Control

利用鍵盤操控物體行走
(🔽程式碼)
function sysCall_init() 
    left_handle= sim.getObjectHandle('left_m')
    right_handle= sim.getObjectHandle('right_m')
    MaxVel=2
    leftvelocity=0
    rightvelocity=0
    dVel=0.5;
    sim.setJointTargetVelocity(left_handle,leftvelocity)
    sim.setJointTargetVelocity(right_handle,rightvelocity)
end

function sysCall_actuation() 
    message,auxiliaryData=sim.getSimulatorMessage()
    while message~=-1 do
        if (message==sim.message_keypress) then
            if (auxiliaryData[1]==32) then
                -- right key
                leftvelocity=0
                rightvelocity=0
                sim.setJointForce(left_front_handle, 0)
                sim.setJointForce(right_front_handle, 0)
                break
            else
                sim.setJointForce(left_handle, 10000)
                sim.setJointForce(right_handle, 10000)
            end
            if (auxiliaryData[1]==2007) then
                -- up key
                leftvelocity=(leftvelocity+rightvelocity)/2
                rightvelocity=leftvelocity
                leftvelocity=leftvelocity+dVel
                rightvelocity=rightvelocity+dVel
            end
            if (auxiliaryData[1]==2008) then
                -- down key
                leftvelocity=(leftvelocity+rightvelocity)/2
                rightvelocity=leftvelocity
                leftvelocity=leftvelocity-dVel
                rightvelocity=rightvelocity-dVel
            end
            if (auxiliaryData[1]==2009) then
                -- left key
                leftvelocity=leftvelocity-dVel
                rightvelocity=rightvelocity+dVel
            end
            if (auxiliaryData[1]==2010) then
                -- right key
                leftvelocity=leftvelocity+dVel
                rightvelocity=rightvelocity-dVel
            end
        end
        message,auxiliaryData=sim.getSimulatorMessage()
    end
    
    if leftvelocity>MaxVel then
        leftvelocity=MaxVel
    end
    if leftvelocity<-MaxVel then
        leftvelocity=-MaxVel
    end
    
    if rightvelocity>MaxVel then
                rightvelocity=MaxVel
    end
    if rightvelocity<-MaxVel then
                rightvelocity=-MaxVel
    end
    
    sim.setJointTargetVelocity(left_handle,leftvelocity)
    sim.setJointTargetVelocity(right_handle,rightvelocity)
    
end
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