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    Read out hinge/servo value [SOLVED!]

    Scheduled Pinned Locked Moved SketchyPhysics
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    • B Offline
      Bas9999
      last edited by Bas9999

      Hi All,

      I've been struggling for days now how to make this work... is there any change about reading the value 0.0 / 1.0 from a hinge/servo?

      Say you have a hinge with a 'lever' attatched to it, with

      MIN: -90
      MAX: 90

      Now when i pull the 'lever' (that is attatched to the hinge) with the mouse, i want to readout the hinge value 0.0 (-90 degrees) --- 1.0 (90 degrees)

      From my understanding and experimenting, everything i put in the 'controller' box of the hinge makes it stop working to manually control it...

      All i can do is fiddle with position().x or position().y in the 'lever' scripting...and some mathmathics...but but that should not be needed i guess...

      Could you help me out?

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      • A Offline
        Anton_S
        last edited by

        Limited joint API is one of the weakness of SP. However, there is a workaround using Trigonometry, just like you said.

        Here is an example:


        lever_angle.skp

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        • B Offline
          Bas9999
          last edited by

          Hi Anton_S,

          Thank you for the example, i am going to study it a bit!

          First i have to make the degrees to a value 0.00 (MIN) and 1.00 (MAX) (optional, but handy)

          My goal is to put an Arduino behind the sketch, so that virtual pulled elements are also moving in the 'real' world, like a servo, i will put my project on the forum when it's finished 😉

          Best Regards,
          Bas

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          • B Offline
            Bas9999
            last edited by

            Ok, i got it working to make a value from 0.00 to 1.00 from the degree number in the sketch above.

            Since i am new to ruby i had todo some reseach but made it, if you have any improvements...let me know!

            in section "onUpdate" add this at the end:

            anglefloat = @angle.radians.round.to_f
            puts (((0.5 / 90) * anglefloat) + 0.5).round(2) if anglefloat > 0
            puts (((-0.5 / 90) * anglefloat) - 0.5).abs.round(2) if anglefloat < 0
            

            Open the RUBY CONSOLE there you can see the values:

            0.54
            0.53
            0.53
            0.53
            0.52
            0.51
            0.51
            0.49
            0.49
            0.48
            0.48
            0.47
            0.46
            0.46
            0.45
            0.44
            0.43
            0.43
            0.42
            0.41
            0.41
            0.4
            0.39
            

            lever_angle2.skp

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            • B Offline
              Bas9999
              last edited by

              Hmmmm, seems the ROUND function is not doing well in SU8 😒

              Sketchup8_round_error.png

              After some research i made this code for SU8, using SPRINTF:

              anglefloat = @angle.radians.round.to_f
              puts sprintf "%.2f", (((0.5 / 90) * anglefloat) + 0.5) if anglefloat > 0
              puts sprintf "%.2f", (((-0.5 / 90) * anglefloat) - 0.5).abs if anglefloat < 0
              

              That seems to do the trick...


              lever_angle2_SU8.skp

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              • A Offline
                Anton_S
                last edited by

                You get this error cause you probably passed an argument to the round function. SU2013 and below have no parameters in the round function, meanwhile, SU2014+ do have a decimal_point parameter in the round function.

                Here is an improved version that gives value b/w 0.0 and 1.0.


                lever_angle2_SU8.skp

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                • B Offline
                  Bas9999
                  last edited by

                  Hello Anton_S,

                  Can the same be done with a slider?, could you provide an example?

                  Thanks!


                  slider_su8.skp

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                  • A Offline
                    Anton_S
                    last edited by

                    Here it is. This is more advanced script as it works with slider, piston, corkscrew, and spring. You just paste the script into any object, and its joint will be found automatically - no need to locate the connected joint and stuff... Just copy and paste. I might also write a similar script to hinge, servo, and motor.

                    Here is script that you copy and paste into any object:

                    <span class="syntaxdefault">onStart </span><span class="syntaxkeyword">{<br /></span><span class="syntaxdefault">  </span><span class="syntaxcomment"># Add 2D text, just to output info.<br /></span><span class="syntaxdefault">  setVar</span><span class="syntaxkeyword">(</span><span class="syntaxstring">'text_v_shift'</span><span class="syntaxkeyword">,</span><span class="syntaxdefault"> getVar</span><span class="syntaxkeyword">(</span><span class="syntaxstring">'text_v_shift'</span><span class="syntaxkeyword">)</span><span class="syntaxdefault"> </span><span class="syntaxkeyword">+</span><span class="syntaxdefault"> 0.04</span><span class="syntaxkeyword">)<br /></span><span class="syntaxdefault">  </span><span class="syntaxkeyword">@</span><span class="syntaxdefault">text </span><span class="syntaxkeyword">=</span><span class="syntaxdefault"> Sketchup</span><span class="syntaxkeyword">.</span><span class="syntaxdefault">active_model</span><span class="syntaxkeyword">.</span><span class="syntaxdefault">add_note</span><span class="syntaxkeyword">(</span><span class="syntaxstring">''</span><span class="syntaxkeyword">,</span><span class="syntaxdefault"> 0.01</span><span class="syntaxkeyword">,</span><span class="syntaxdefault"> getVar</span><span class="syntaxkeyword">(</span><span class="syntaxstring">'text_v_shift'</span><span class="syntaxkeyword">))<br /></span><span class="syntaxdefault">  </span><span class="syntaxcomment"># Find connected slider<br /></span><span class="syntaxdefault">  </span><span class="syntaxkeyword">@</span><span class="syntaxdefault">slide_parent </span><span class="syntaxkeyword">=</span><span class="syntaxdefault"> nil<br />  </span><span class="syntaxkeyword">@</span><span class="syntaxdefault">slider </span><span class="syntaxkeyword">=</span><span class="syntaxdefault"> nil<br />  </span><span class="syntaxkeyword">@</span><span class="syntaxdefault">joint_name </span><span class="syntaxkeyword">=</span><span class="syntaxdefault"> nil<br />  parent_joints </span><span class="syntaxkeyword">=</span><span class="syntaxdefault"> this</span><span class="syntaxkeyword">.</span><span class="syntaxdefault">group</span><span class="syntaxkeyword">.</span><span class="syntaxdefault">get_attribute</span><span class="syntaxkeyword">(</span><span class="syntaxstring">"SPOBJ"</span><span class="syntaxkeyword">,</span><span class="syntaxdefault"> </span><span class="syntaxstring">"parentJoints"</span><span class="syntaxkeyword">).</span><span class="syntaxdefault">to_a<br />  parent_joints</span><span class="syntaxkeyword">.</span><span class="syntaxdefault">each </span><span class="syntaxkeyword">{</span><span class="syntaxdefault"> </span><span class="syntaxkeyword">|</span><span class="syntaxdefault">jname</span><span class="syntaxkeyword">|<br /></span><span class="syntaxdefault">    if jname </span><span class="syntaxkeyword">=~</span><span class="syntaxdefault"> </span><span class="syntaxkeyword">/</span><span class="syntaxdefault">slider</span><span class="syntaxkeyword">|</span><span class="syntaxdefault">piston</span><span class="syntaxkeyword">|</span><span class="syntaxdefault">spring</span><span class="syntaxkeyword">|</span><span class="syntaxdefault">corkscrew</span><span class="syntaxkeyword">/</span><span class="syntaxdefault">i<br />      </span><span class="syntaxkeyword">@</span><span class="syntaxdefault">joint_name </span><span class="syntaxkeyword">=</span><span class="syntaxdefault"> jname<br />      break<br />    end<br />  </span><span class="syntaxkeyword">}<br /></span><span class="syntaxdefault">  next unless </span><span class="syntaxkeyword">@</span><span class="syntaxdefault">joint_name<br />  </span><span class="syntaxcomment"># Find slider associated with joint name<br /></span><span class="syntaxdefault">  Sketchup</span><span class="syntaxkeyword">.</span><span class="syntaxdefault">active_model</span><span class="syntaxkeyword">.</span><span class="syntaxdefault">entities</span><span class="syntaxkeyword">.</span><span class="syntaxdefault">each </span><span class="syntaxkeyword">{</span><span class="syntaxdefault"> </span><span class="syntaxkeyword">|</span><span class="syntaxdefault">e</span><span class="syntaxkeyword">|<br /></span><span class="syntaxdefault">    next unless e</span><span class="syntaxkeyword">.</span><span class="syntaxdefault">is_a</span><span class="syntaxkeyword">?(</span><span class="syntaxdefault">Sketchup</span><span class="syntaxkeyword">;;</span><span class="syntaxdefault">Group</span><span class="syntaxkeyword">)</span><span class="syntaxdefault"> </span><span class="syntaxkeyword">||</span><span class="syntaxdefault"> e</span><span class="syntaxkeyword">.</span><span class="syntaxdefault">is_a</span><span class="syntaxkeyword">?(</span><span class="syntaxdefault">Sketchup</span><span class="syntaxkeyword">;;</span><span class="syntaxdefault">ComponentInstance</span><span class="syntaxkeyword">)<br /></span><span class="syntaxdefault">    if e</span><span class="syntaxkeyword">.</span><span class="syntaxdefault">get_attribute</span><span class="syntaxkeyword">(</span><span class="syntaxstring">'SPJOINT'</span><span class="syntaxkeyword">,</span><span class="syntaxdefault"> </span><span class="syntaxstring">'name'</span><span class="syntaxkeyword">,</span><span class="syntaxdefault"> </span><span class="syntaxstring">''</span><span class="syntaxkeyword">)</span><span class="syntaxdefault"> </span><span class="syntaxkeyword">==</span><span class="syntaxdefault"> </span><span class="syntaxkeyword">@</span><span class="syntaxdefault">joint_name<br />      </span><span class="syntaxkeyword">@</span><span class="syntaxdefault">slider </span><span class="syntaxkeyword">=</span><span class="syntaxdefault"> e<br />    else<br />      found </span><span class="syntaxkeyword">=</span><span class="syntaxdefault"> false<br />      e</span><span class="syntaxkeyword">.</span><span class="syntaxdefault">entities</span><span class="syntaxkeyword">.</span><span class="syntaxdefault">each </span><span class="syntaxkeyword">{</span><span class="syntaxdefault"> </span><span class="syntaxkeyword">|</span><span class="syntaxdefault">ec</span><span class="syntaxkeyword">|<br /></span><span class="syntaxdefault">        if ec</span><span class="syntaxkeyword">.</span><span class="syntaxdefault">is_a</span><span class="syntaxkeyword">?(</span><span class="syntaxdefault">Sketchup</span><span class="syntaxkeyword">;;</span><span class="syntaxdefault">Group</span><span class="syntaxkeyword">)</span><span class="syntaxdefault"> </span><span class="syntaxkeyword">&&</span><span class="syntaxdefault"> ec</span><span class="syntaxkeyword">.</span><span class="syntaxdefault">get_attribute</span><span class="syntaxkeyword">(</span><span class="syntaxstring">'SPJOINT'</span><span class="syntaxkeyword">,</span><span class="syntaxdefault"> </span><span class="syntaxstring">'name'</span><span class="syntaxkeyword">,</span><span class="syntaxdefault"> </span><span class="syntaxstring">''</span><span class="syntaxkeyword">)</span><span class="syntaxdefault"> </span><span class="syntaxkeyword">==</span><span class="syntaxdefault"> </span><span class="syntaxkeyword">@</span><span class="syntaxdefault">joint_name<br />          </span><span class="syntaxkeyword">@</span><span class="syntaxdefault">slider_parent </span><span class="syntaxkeyword">=</span><span class="syntaxdefault"> e<br />          </span><span class="syntaxkeyword">@</span><span class="syntaxdefault">slider </span><span class="syntaxkeyword">=</span><span class="syntaxdefault"> ec<br />          found </span><span class="syntaxkeyword">=</span><span class="syntaxdefault"> true<br />          break<br />        end<br />      </span><span class="syntaxkeyword">}<br /></span><span class="syntaxdefault">      break if found<br />    end<br />  </span><span class="syntaxkeyword">}<br /></span><span class="syntaxdefault">  next unless </span><span class="syntaxkeyword">@</span><span class="syntaxdefault">slider<br />  </span><span class="syntaxcomment"># Get min/max data associated with a slider<br /></span><span class="syntaxdefault">  slider_min </span><span class="syntaxkeyword">=</span><span class="syntaxdefault"> </span><span class="syntaxkeyword">@</span><span class="syntaxdefault">slider</span><span class="syntaxkeyword">.</span><span class="syntaxdefault">get_attribute</span><span class="syntaxkeyword">(</span><span class="syntaxstring">'SPJOINT'</span><span class="syntaxkeyword">,</span><span class="syntaxdefault"> </span><span class="syntaxstring">'min'</span><span class="syntaxkeyword">,</span><span class="syntaxdefault"> 0</span><span class="syntaxkeyword">)<br /></span><span class="syntaxdefault">  slider_max </span><span class="syntaxkeyword">=</span><span class="syntaxdefault"> </span><span class="syntaxkeyword">@</span><span class="syntaxdefault">slider</span><span class="syntaxkeyword">.</span><span class="syntaxdefault">get_attribute</span><span class="syntaxkeyword">(</span><span class="syntaxstring">'SPJOINT'</span><span class="syntaxkeyword">,</span><span class="syntaxdefault"> </span><span class="syntaxstring">'max'</span><span class="syntaxkeyword">,</span><span class="syntaxdefault"> 0</span><span class="syntaxkeyword">)<br /></span><span class="syntaxdefault">  </span><span class="syntaxkeyword">@</span><span class="syntaxdefault">slider_range </span><span class="syntaxkeyword">=</span><span class="syntaxdefault"> </span><span class="syntaxkeyword">(</span><span class="syntaxdefault">slider_max </span><span class="syntaxkeyword">-</span><span class="syntaxdefault"> slider_min</span><span class="syntaxkeyword">).</span><span class="syntaxdefault">to_f<br /></span><span class="syntaxkeyword">}<br /><br /></span><span class="syntaxdefault">onUpdate </span><span class="syntaxkeyword">{<br /></span><span class="syntaxdefault">  if </span><span class="syntaxkeyword">@</span><span class="syntaxdefault">slider<br />    </span><span class="syntaxcomment"># Calculate object position and ratio on slider.<br /></span><span class="syntaxdefault">    pt </span><span class="syntaxkeyword">=</span><span class="syntaxdefault"> this</span><span class="syntaxkeyword">.</span><span class="syntaxdefault">group</span><span class="syntaxkeyword">.</span><span class="syntaxdefault">transformation</span><span class="syntaxkeyword">.</span><span class="syntaxdefault">origin<br />    if </span><span class="syntaxkeyword">@</span><span class="syntaxdefault">slider_parent<br />      tra </span><span class="syntaxkeyword">=</span><span class="syntaxdefault"> </span><span class="syntaxkeyword">@</span><span class="syntaxdefault">slider_parent</span><span class="syntaxkeyword">.</span><span class="syntaxdefault">transformation </span><span class="syntaxkeyword">*</span><span class="syntaxdefault"> </span><span class="syntaxkeyword">@</span><span class="syntaxdefault">slider</span><span class="syntaxkeyword">.</span><span class="syntaxdefault">transformation<br />    else<br />      tra </span><span class="syntaxkeyword">=</span><span class="syntaxdefault"> </span><span class="syntaxkeyword">@</span><span class="syntaxdefault">slider</span><span class="syntaxkeyword">.</span><span class="syntaxdefault">transformation<br />    end<br />    pt</span><span class="syntaxkeyword">.</span><span class="syntaxdefault">transform</span><span class="syntaxkeyword">!(</span><span class="syntaxdefault">tra</span><span class="syntaxkeyword">.</span><span class="syntaxdefault">inverse</span><span class="syntaxkeyword">)<br /></span><span class="syntaxdefault">    pos </span><span class="syntaxkeyword">=</span><span class="syntaxdefault"> pt</span><span class="syntaxkeyword">.</span><span class="syntaxdefault">z<br />    ratio </span><span class="syntaxkeyword">=</span><span class="syntaxdefault"> </span><span class="syntaxkeyword">@</span><span class="syntaxdefault">slider_range</span><span class="syntaxkeyword">.</span><span class="syntaxdefault">zero</span><span class="syntaxkeyword">?</span><span class="syntaxdefault"> </span><span class="syntaxkeyword">?</span><span class="syntaxdefault"> 0 </span><span class="syntaxkeyword">;</span><span class="syntaxdefault"> pos </span><span class="syntaxkeyword">/</span><span class="syntaxdefault"> </span><span class="syntaxkeyword">@</span><span class="syntaxdefault">slider_range<br />    </span><span class="syntaxcomment"># Process info here...<br /></span><span class="syntaxdefault">    </span><span class="syntaxcomment"># Display info<br /></span><span class="syntaxdefault">    </span><span class="syntaxkeyword">@</span><span class="syntaxdefault">text</span><span class="syntaxkeyword">.</span><span class="syntaxdefault">text </span><span class="syntaxkeyword">=</span><span class="syntaxdefault"> </span><span class="syntaxstring">"#{@joint_name.capitalize} Info - Position; #{sprintf("</span><span class="syntaxkeyword">%</span><span class="syntaxdefault">.2f</span><span class="syntaxstring">", pos)}\"    Ratio (Controller); #{sprintf("</span><span class="syntaxkeyword">%</span><span class="syntaxdefault">.2f</span><span class="syntaxstring">", ratio)}"<br /></span><span class="syntaxdefault">  end<br /></span><span class="syntaxkeyword">}<br /><br /></span><span class="syntaxdefault">onEnd </span><span class="syntaxkeyword">{<br /></span><span class="syntaxdefault">  </span><span class="syntaxcomment"># Remove added text<br /></span><span class="syntaxdefault">  </span><span class="syntaxkeyword">@</span><span class="syntaxdefault">text</span><span class="syntaxkeyword">.</span><span class="syntaxdefault">erase</span><span class="syntaxkeyword">!</span><span class="syntaxdefault"> if </span><span class="syntaxkeyword">@</span><span class="syntaxdefault">text</span><span class="syntaxkeyword">.</span><span class="syntaxdefault">valid</span><span class="syntaxkeyword">?<br />}</span><span class="syntaxdefault"></span>
                    

                    Here is the demo:
                    slider_range_su8.skp

                    Also, I would suggest upgrading to SP3.5.6 as the pick and drag in 3.5.5 makes small objects go crazy.

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                    • B Offline
                      Bas9999
                      last edited by

                      Hello anton_S,

                      Again, thank you for the example code!, i see it's a lot for a NON Sketchup/Ruby expert like me 😄

                      I needed this for a virtual "RGB LED controller" that controls a LED trough the Arduino, so i made some adds & adjustements to your code.

                      Ps. why does the value start at 0.06 and ends with 1.07?, i did a correction of -0.6 but then i still come out on 1.01 😒

                      My additions to store the 3 RGB values per slider:

                      RED:

                      onupdate {
                          ratio = ratio - 0.06
                          ratio = 1.00 if ratio > 1.00
                          $sliderr = sprintf("%.2f", ratio)
                      }
                      

                      GREEN:

                      onupdate {
                          ratio = ratio - 0.06
                          ratio = 1.00 if ratio > 1.00
                          $sliderg = sprintf("%.2f", ratio)
                      }
                      
                      

                      BLUE:

                      onupdate {
                          ratio = ratio - 0.06
                          ratio = 1.00 if ratio > 1.00
                          $sliderb = sprintf("%.2f", ratio)
                      }
                      

                      On the "baseplate" this code in the "scripted" section to display the values on the left side:

                      onUpdate {
                      logLine("Waarde rood; " + $sliderr.to_s)
                      logLine("Waarde groen; " + $sliderg.to_s)
                      logLine("Waarde blauw; " + $sliderb.to_s)
                      logLine("")
                      logLine("")
                      logLine("")
                      logLine("")
                      logLine("")
                      }
                      

                      Here is a screen of the project:
                      SketchUp SketchPhysics - RGB control 02.png


                      SketchUp SketchPhysics - RGB control.skp

                      1 Reply Last reply Reply Quote 0
                      • A Offline
                        Anton_S
                        last edited by

                        @bas9999 said:

                        Ps. why does the value start at 0.06 and ends with 1.07?, i did a correction of -0.6 but then i still come out on 1.01

                        Because joints in SP are flexible. They are not 100% stiff.

                        To fix that, simply clamp the given values from 0 to 1:
                        ratio = 0.0 if ratio < 0.0 ratio = 1.0 if ratio > 1.0

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                        • B Offline
                          Bas9999
                          last edited by

                          Hi Anton_S,

                          Thank you!

                          Ps. the first script for the "hinge", is that also a copy & paste script for every component?, if not... could you adjust it that way?

                          Thanks in forward!

                          1 Reply Last reply Reply Quote 0
                          • A Offline
                            Anton_S
                            last edited by

                            Here is the script for hinge, servo, motor, and corkscrew:

                            
                            # Script for hinge, servo, motor, and corkscrew.
                            onStart {
                              # Add 2D text, just to output info
                              setVar('text_v_shift', getVar('text_v_shift') + 0.04)
                              @text = Sketchup.active_model.add_note('', 0.01, getVar('text_v_shift'))
                              # Find connected joint
                              @joint_parent = nil
                              @joint = nil
                              @joint_name = nil
                              parent_joints = this.group.get_attribute("SPOBJ", "parentJoints").to_a
                              parent_joints.each { |jname|
                                if jname =~ /hinge|servo|motor|corkscrew/i
                                  @joint_name = jname
                                  break
                                end
                              }
                              if @joint_name
                                # Find joint group associated with joint name
                                Sketchup.active_model.entities.each { |e|
                                  next unless e.is_a?(Sketchup;;Group) || e.is_a?(Sketchup;;ComponentInstance)
                                  if e.get_attribute('SPJOINT', 'name', '') == @joint_name
                                    @joint = e
                                  else
                                    found = false
                                    e.entities.each { |ec|
                                      if ec.is_a?(Sketchup;;Group) && ec.get_attribute('SPJOINT', 'name', '') == @joint_name
                                        @joint_parent = e
                                        @joint = ec
                                        found = true
                                        break
                                      end
                                    }
                                    break if found
                                  end
                                }
                              end
                              if @joint
                                # Get min/max data associated with the joint
                                min = @joint.get_attribute('SPJOINT', 'min', 0).to_f
                                max = @joint.get_attribute('SPJOINT', 'max', 0).to_f
                                @range = (max - min).degrees
                                # Calculate starting angle
                                if @joint_parent
                                  tra = @joint_parent.transformation * @joint.transformation
                                else
                                  tra = @joint.transformation
                                end
                                @init_dir = tra.xaxis.transform(this.group.transformation.inverse)
                                @init_angle = min.degrees
                              end
                            }
                            
                            onUpdate {
                              if @joint
                                # Calculate object angle and ratio
                                if @joint_parent
                                  tra = @joint_parent.transformation * @joint.transformation
                                else
                                  tra = @joint.transformation
                                end
                                dir = @init_dir.transform(this.group.transformation).transform(tra.inverse).normalize
                                # Get theta from -PI to PI
                                theta = -Math.acos(dir.x)
                                theta = -theta if dir.y < 0
                                ratio = @range.zero? ? 0 ; (theta - @init_angle).to_f / @range
                                # Process info here...
                                # Display info
                                @text.text = "#{@joint_name.capitalize} Info - Angle; #{sprintf("%.2f",  theta.radians)} deg.    Ratio (Controller); #{sprintf("%.2f", ratio)}"
                              end
                            }
                            
                            onEnd {
                              # Remove added text
                              @text.erase! if @text.valid?
                            }
                            
                            

                            And here is the updated script for slider, piston, spring and corkscrew. This version considers initial position, so that range values are correct:

                            
                            # Script for slider, piston, spring, and corkscrew.
                            onStart {
                              # Add 2D text, just to output info
                              setVar('text_v_shift', getVar('text_v_shift') + 0.04)
                              @text = Sketchup.active_model.add_note('', 0.01, getVar('text_v_shift'))
                              # Find connected joint
                              @joint_parent = nil
                              @joint = nil
                              @joint_name = nil
                              parent_joints = this.group.get_attribute("SPOBJ", "parentJoints").to_a
                              parent_joints.each { |jname|
                                if jname =~ /slider|piston|spring|corkscrew/i
                                  @joint_name = jname
                                  break
                                end
                              }
                              if @joint_name
                                # Find joint group associated with joint name
                                Sketchup.active_model.entities.each { |e|
                                  next unless e.is_a?(Sketchup;;Group) || e.is_a?(Sketchup;;ComponentInstance)
                                  if e.get_attribute('SPJOINT', 'name', '') == @joint_name
                                    @joint = e
                                  else
                                    found = false
                                    e.entities.each { |ec|
                                      if ec.is_a?(Sketchup;;Group) && ec.get_attribute('SPJOINT', 'name', '') == @joint_name
                                        @joint_parent = e
                                        @joint = ec
                                        found = true
                                        break
                                      end
                                    }
                                    break if found
                                  end
                                }
                              end
                              if @joint
                                # Get min/max data associated with the joint
                                min = @joint.get_attribute('SPJOINT', 'min', 0).to_f
                                max = @joint.get_attribute('SPJOINT', 'max', 0).to_f
                                @range = (max - min).to_f
                                # Calculate starting position
                                pt = this.group.transformation.origin
                                if @joint_parent
                                  tra = @joint_parent.transformation * @joint.transformation
                                else
                                  tra = @joint.transformation
                                end
                                pt.transform!(tra.inverse)
                                @init_pos = pt.z + min
                              end
                            }
                            
                            onUpdate {
                              if @joint
                                # Calculate object position and ratio
                                pt = this.group.transformation.origin
                                if @joint_parent
                                  tra = @joint_parent.transformation * @joint.transformation
                                else
                                  tra = @joint.transformation
                                end
                                pt.transform!(tra.inverse)
                                pos = pt.z - @init_pos
                                ratio = @range.zero? ? 0 ; pos / @range
                                # Process info here...
                                # Display info
                                @text.text = "#{@joint_name.capitalize} Info - Position; #{sprintf("%.2f", pos)}\"    Ratio (Controller); #{sprintf("%.2f", ratio)}"
                              end
                            }
                            
                            onEnd {
                              # Remove added text
                              @text.erase! if @text.valid?
                            }
                            
                            

                            Demo

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                            • A Offline
                              Anton_S
                              last edited by

                              This is amazing! Never seen something like this before, ever!

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                              • M Offline
                                mptak
                                last edited by

                                Stupendous. Can't wait to try it and of course add some Lasers. Absolutely stupendous. Kudos to y'all Anton and Chris Phillips.

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                                • B Offline
                                  Bas9999
                                  last edited by

                                  Thank you Anton_S!

                                  @All,
                                  Watch the YouTube movie where i used these scripts in action:

                                  SCRIPTS & TUTORIALS @ DomoticX.com
                                  Look for: "Virtual 3D Device Port"

                                  Virtual-3D-Device-port-SU08-logo.jpg

                                  The tutorial pages are written in our main language: DUTCH
                                  Use google translate to translate the pages for you!

                                  (note: copy & paste scripts from the original untranslated site)

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