MSPhysics 1.0.3 (16 October 2017)
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SynSuka3D, you should explore SketchyPhysics models at 3DWarehouse on that and then write a similar script for what you want. For instance, a Radar by Mr. K: https://3dwarehouse.sketchup.com/model/c8b415a0bbb385b87e683c55e87c0665/Radar-3
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Thanks Anton_S,
But I would like a radar of this style !! Of my model Sketchyphysics for MsPhysics!https://3dwarehouse.sketchup.com/model/dc1774c9431e40bad9689dffd6e75da7/Avion-2-sp-No-Gyro
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Well, same applies to that UAV. Just convert the code to MSPhysics. All tick tabs must be converted to
onTick {...}
in script all touch tabs must be converted toonTouch { ... }
in script the rest code is just converting SP functions and concepts to MSPhysics. -
I'm trying to move this bike. But I have not been fully successful. What I do not know, what I know wrong and what my mistakes are? Thank you.
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Ecati, that's too much joints and collisions. MSPhysics can't handle that much, especially that joints are weak and unstable when are linked into chains. If your intent is to simply play the bike, you should take an approach of making games, where only the essential parts are made to work. All you need is the frame (set to convex hull) and two wheels (set to to sphere shape). The rest could be removed or placed within the frame and set to ignore. Then a few joints, one for steering and two for motors, would guarantee you a fast working bike. But, if your approach is to simulate how the bike works, with all the moving parts, then MSPhysics is definitely not a plugin for that.
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Hi, Anton,
My purpose is to move the bike by chain, just like it is in a real bicycle. If I understand correctly, it is not possible to do this with MSPhysics. Is it true? -
Ecati,you understood it correctly.
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Hello !! Ecati try group the chain in another way something like like the file here ..and when you run MSPhsics delete guides( Edit>delete guides)this will make it run faster ..make a copy of your file first ...
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Hi, Cristyan,
I applied your suggestions. But there has not been any improvement.
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The model in the attached file hangs and disintegrates after a period of working properly. What would be the reason?
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Hi ecati,
Interesting model with inverse kinematics.
Now it should work longer.
The main problem was the position of the external joints too far from the center of gravity of the associated components.
This has led to instability, too much friction and breakage of some joints.
In order to improve the performance, it is also useful to set as many internal groups as "Ignore" as possible.
This has to be tested in detail. I have resolved some group nesting up to a meaningful depth.
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Thank you very much for your time and information.
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Hello there, I am loving MSPhysics, although I am finding limited tutorials and have gotten stuck trying to make a basic monitor arm (robot arm pretty much) I understand the tools yet I am struggling to understand how to get 2 or more servos on one arm. For instance, I group my first arm to a servo, yet I cannot use the joint connection tool further into that group onto the next arm for it to stay relative to the first arm. below is a file submitted which works perfectly but I am trying to understand how he did this, is it obtainable without scripting?
here is a working example of what I want to know: https://3dwarehouse.sketchup.com/model/c3eabd528e13297ddf6d65aa66a5c53/Robot-arm
thank you!
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Hello, Jon,
The concept of joints in MSPhysics is similar to SketchyPhysics. If you check out YouTube tutorials on joints in SketchyPhysics, same things could be accomplished through MSPhysics in a similar way, just through using MSPhysics tools.
So, to create a joint that is relative to another group, first, all arms should be top level groups. Then, within the context of each arm, add a joint and connect it to the next arm. Here, I made a quick tutorial on adding joints to a robot arm:
For the tutorial, I used the latest version of MSPhysics, which I haven't released yet but the way of doing it is not any different from the current version.
I know MSPhysics lacks the tutorials on many of its features, but that's because it is still under development. Making a tutorial with an unstable version, would make it obsolete when a better, stable, and more user-friendly version of MSPhysics is released; therefore, I want to finish the stable version first before proceeding to tutorials.
Best regards,
Anton -
Amazing reply, thank you so much!
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@Anton_S cough cloth cough simulator clears throat
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Hi, Juju! I started working on Drape a few weeks ago. I first wanted to use NewtonDynamics for cloth but then figured to write my own specific purpose physics engine instead. I already got the cloth working. All I need to do now is add contacts and the user interface. Adding the collision contacts is the hardest part, but I'm researching that.
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Announcing MSPhysics 1.0.0!
This version comes with a significant amount of improvements and a few new features. Main feature is a custom automated transitioning of scenes, which can transition forward, backward, and loop. Here is a model demonstrating it:
Planned Steps.skp
A detailed list of other features and bug fixes can be found here: http://www.rubydoc.info/github/AntonSynytsia/MSPhysics/file/RubyExtension/MSPhysics/CHANGELOG.mdThis requires installing AMS Library version 3.5.0, which is referenced in first post. If you received development versions of AMS Library, you must upgrade to the latest one.
Also, you no longer have to bother removing original versions as the overwriting should work fine now.
I have removed geared joints feature until the next release, as it was the only thing that preventing me from releasing this version.
And one more thing, models creating with prior MSPhysics version might work differently/be incompatible with this version. Make sure to update your models' physics properties and scripts if necessary.
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Hi Anton, thanks for the great improvements!
Keyboard navigation and scenes animation are great new features and work very well. It would be great if the scenes excluded from the SketchUp animation are also excluded from MSPhysics (e.g. EDIT scenes or the like).For rendering single images, I usually set 30 frames per second. All previous scripts, for example for programmed emitters, refer to this in terms of lifetime. What image rate does MSPhysics use for internal calculation and export, if I want to convert the previous lifetime settings in seconds?
Adjusting the settings and rewriting the scripts will probably take me a while longer. First small test example see at post "MSPhysics Tests and Questions".
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How to convert a model created with MSPhysics 0.9.9 to 1.0.0.
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