MSPhysics 1.0.3 (16 October 2017)
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@rick149 said:
Gday
Can I control the order in which the sliders appear in the MSPhysics Control Panel?I find the order of controls varies when I edit/change joints but cannot see the logic behind it.
It does not always seem to be controlled by the order in which joints are created and/or when they are edited.
My model is managed as an evolving assembly of models and components including joints, some with controllers, some without and some with keyboard control.
I have the design of the assembled model and the assembly procedure down pat now so that when I change and re-import the different parts, all the joints and their controls work perfectly but I cannot consistently maintain their order in the panel after various changes are made.
Ideal would be... can I vary the panel order after the joint controllers are in place?
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I need to create a very floppy long mattress/cushion and drape it realistically over the seat, arms, and back of a piece of furniture. There's a tutorial with french subtitles and no audio about cloth simulations, but my french isn't good enough and I am looking to learn more. If anyone can point me in the direction of some instruction, I'd appreciate it.
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Hi Anton, I realized an unstable gyroscope. The rotor is controlled with the spacebar. Can we make it stable? thank you
episode 2
Hello Anton, I can not regulate MSphysique so that the bearings are not transparent. what to do. thank you
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Would you please add ropes to your to-do list? Thank you
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the link of (Compatibility and Requirements//AMS_Library 3.5.0+) say " The requested topic does not exist."
So go to link (http://sketchucation.com/forums/viewtopic.php?t=55067) to get it -
Hi all and Happy Christmas!
I have one issue to solve...
- I have one group of objects that shall move linear in one direction.
- I have another group of objects that shall move linear in 180° opposite direction simultaneously.
Is that possible to achive with just one slider controller?
Edit: I solved it myself. 2 pistons (one turned 180°) , same name, 1 controller.
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Is it possible to create/script a hall sensor functionality detecting magnetism strength and direction?
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I recently completed a detailed (nearly 18 minutes long) video animation that includes two sequences created with MSPhysics - the first at 8:00 into the video, the second at 14:00. The subject of the video is a description of some real space hardware, the surface sampler or "scoop" from the Viking '75 Mars lander of 40 years ago.
The first MSPhysics sequence uses about 250 short thin strips to represent a flexible cable winding and unwinding. The second sequence contains about 5500 little marbles to represent soil particles being dug by the Viking lander's sampler backhoe or shovel. (The remainder of the animations were created with the Animator beta extension.)
Thank you for such a nice MSPhysics extension, Anton!
Youtube Video -
Absolutely great!
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Incredible work, congratulations!!
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Tom Dahl, I did see your viking lander video - very inspiring and educational! I also commented at your Sketchup Community thread. Nice work!
Aside from that, I have logged all the crash reports, issues, and feature requests reported by you and many others. I have learned many things from the feedback. MSPhysics will be rewritten, with tutorials this time...
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Tom Dahl, I cannot find superlatives adequate to describe your historic video that so effectively diplays the ingenious viking sampler for us mere mortals. thank you. thank you.. more please..
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@anton_s said:
Tom Dahl, I did see your viking lander video - very inspiring and educational! I also commented at your Sketchup Community thread. Nice work!
Aside from that, I have logged all the crash reports, issues, and feature requests reported by you and many others. I have learned many things from the feedback. MSPhysics will be rewritten, with tutorials this time...
I really like your Nasa's Viking project videos Tom. Great job.
Anton, don't you forget the plugin for soft and cloth surfaces. I'd like to test it and if you want I can help you to debug it.
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Hello, I am working on a project to create a long torsion wave as an interactive artwork on a bridge. I have been able to simulate the wave behavior in MSPhysics. I am psyched for that but now I would like to simulate the interaction which will be driven by sensors controlling motors that will pull the pendulum top in towards the bridge when a person breaks an IR beam. I'd like to be able to click on one of the pendulums and have it move in at a user defined rate and then release and swing freely. Is there a way to do this? I have seen something in the API called onLButtonDown but also best_picked in the sketchup API but I am not really a programmer and am not sure how to put these together if they are even appropriate. Might someone be able to help? or at least suggest an approach?
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Hello, charlessowers,
I'm not quite sure what you're trying to achieve. Using a simple pick and drag tool may help. Just hold the shift key when dragging the IR beams.
If in case you want to do something else, perhaps an onClick even will help. For that you will have to utilize an onClick event for all beams, which will do the desired thing when a beam is clicked. (And of course, to write the same script to all beams you can write script to one beam and make use of the "assign script to all with name" button).
Anton
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Hello Anton,
Thanks for the plugin and thank you for considering my question.
An onClick sounds like a great possibility, but I am not sure how to use it. I tried this script applied to a picket...
# Triggered when simulation starts onStart { @force = 45 } # triggered when body is clicked onClick {|point| fx = @force this.add_force(fx, 0, 0) }
But it didn't work. maybe it needs time for the force to be applied after the click? Maybe it should be a torque? Maybe it should set the start angle of the spring hinge? Not sure if onClick always applies to the thing clicked (this)?
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Charles,
You got the idea right, but the force you apply must be applied as a point force. Doing so will also, generate torque as you want. For the point, you can either apply force at clicked location or at a particular point such as pole's origin + some shift in the up direction...
Here is the script for applying at point force:
# Triggered when simulation starts onStart { @impx = 45 * simulation.update_timestep_inv } # triggered when body is clicked onClick { |point| this.add_point_force(point, Geom;;Vector3d.new(@impx, 0, 0)) # Or point could be a custom point #tra = this.normal_matrix #point = tra.origin + AMS;;Geometry.scale_vector(tra.zaxis, 100) #this.add_point_force(point, AMS;;Geometry.scale_vector(tra.xaxis, @impx)) }
Note that in the simulation tab, you will have to enable the game mode option, which will disable the pick & drag tool, to prevent it from interfering.
Then, the script is then supposed to be assigned to every pole thingy in your model. As mentioned before you can do this by using the "assign script to all with name" button (assuming that all pole thingies have the same name).
Anton
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Thanks Anton! That does the trick. Is there a way to re-enable orbit control (middle mouse button) and zoom (mouse wheel) while in game mode?
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Charles,
For now, there isn't a way other than modifying the simulation code, so that it only disables the pick & drag and not the user input. I may need to add a Ruby function for that in the future versions.
Anton
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Hello nice article,
one question. Is it possible to create an outstanding moving camera crane while using MS Physics in SketchUp?
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