The Fluid Rest Offset cannot be considered to be the radius of a fluid particle as with solid particles. In particular, the Fluid Rest Offset only affects fluid particle-particle interaction as follows: The same distance also defines when fluid and solid particles are touching. Multiple particle systems per stage are supported however, particles in different systems cannot collide with each other.įor solid particles, the parameters can be sketched (in 2D) as follows:įirst, the size of solid particles is governed by the Solid Rest Offset parameter: Two solid particles are touching when their centers are two times Solid Rest Offset apart. Some material attributes only apply to specific object types: For example, the material drag parameter only applies to cloth objects, while cohesion only applies to fluid particles. The PBD material attributes are also shared between all objects associated with the particle system. Additional simulation parameters are provided by the PBD Particle Material that is bound to the particle system as a physics material. The particle objects are associated with a particle system, which has attributes that define simulation behavior that is common across all its objects. See also the Physics Material section for general physics material information. Particle objects to simulate, which are sets or cloths see below for steps to create the objects.Ī particle system prim that you may create with Create > Physics > Particle System.Ī PBD Particle Material that you may create with Create > Physics > Physics Material, or add to an existing material using Add > Physics > PBD Material (in this menu, you may also find parameter presets for water and viscous fluid). It receives a JSON data containing the parameters we need to pass to it, in our cases, the location fix from the GPS.A particle simulation consists of a few key components: It basically publishes an "event" called "SL" which is the name of the webhook we will setup on the next step. The method "publishLocation" (line 37) contains all the magic.
#Docs2 particles plus
On the loop method, we will be updating the GPS (line 26) and if there is any available plus the last publish was made 30 seconds ago, we publish again. Keep in mind that any data sent to anywhere, is going to account against your quota. For example sake, we will set a really short delay (30 seconds), but for a real world solution it should be higher.
Next step is just to ask the GPS unit to start up on the setup lines 15,16 (is set off on boot to avoid unnecessary battery consumption) and keep asking for fixes.
#Docs2 particles code
If you copy the include sentence from another code source, it won't work. It's important to inform that the library must be included using the IDE. Now that we have were to "store" our location fixes, is time to program what is going to send them.įirst step is to include the AssetTracker library.
If you are intertested on see how the code looks like, please see my code ate Github here: In my case, the easier way to build and deploy in a real server was using Google AppEngine, due to my Java programming skills. You can make your service in any other technology, only if it is jus a REST API.Īt the end, is the way you create the webhook the one that makes this magic work, therefore, it really doesn't matter what your REST API looks and was built. For this example purpose, we will just create a service that will receive a string containing latitude and longitude separated by a comma (I'll explain later why this way). Once the project is set up, we can code our "backend" service. Now you can create a new module for your App Engine project.
#Docs2 particles android
We need to create a new project which will create an Android module that we won't be using for this example.Īfter defining the project name and package name, keep selecting "Next" until "Finish", this will create your project and also an Android Module (that we will ignore) I like to use Android Studio because is based on IntelliJ and it has already plug-ins integrated to work with App Engine. We will use App Engine for Java, but you could use any other "flavor" based on your coding experience.
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