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Particles Nodes #73324

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opened 2020-01-22 18:56:56 +01:00 by Dalai Felinto · 59 comments
Dalai Felinto commented 2020-01-22 18:56:56 +01:00
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Status: Project on hold. Active development in this area can be found in the geometry nodes project .

Team
Commissioner: @brecht
Project leader: @JacquesLucke
Project members: @sebbas @WilliamReynish

Description
Big picture: Implement a stable (reliable) flexible node based particle system.

Use cases:

  • Motion-graph work that relies on time-based animations.
  • Set dressing of environment elements.
  • Generative weathering of surfaces.
  • Fireworks (particles that spawn new particles).
  • Dew drops on a leaf.

Design:

  • Re-usable effects
  • High level nodes out of the box
  • ? (mental model for different types of nodes)

Engineer plan:

  • C++ libraries in blenlib.
  • New builtin simulation node system.
  • The functions framework with a runtime type system for efficient evaluation of node trees.
  • The particles system that parses a particle node tree and performs the simulation.

Work plan

Milestone 1
Time estimate: 2-4 months

  • Particle nodes
    • Add Simulation node tree type
    • Add placeholders for built-in simulation nodes
    • Add placeholders for built-in function nodes
    • Define list of built-in nodes
    • Define list of group nodes to ship with Blender
    • Define categories and menu organization
    • Finalize naming of nodes and sockets
    • Support for storing ID pointers in sockets for object/image sockets
  • Explore different ways to visualize sockets and links of different type (https://code.blender.org/2020/03/feb-2020-ui-workshop/)
  • New Simulation data-block containing node tree and cache parameters
    • Basic implementation of ID type
    • Dependency graph and copy-on-write integration
  • Point cloud (basic) object type (@brecht)
  • Modifier for point cloud copies simulated particles from simulation
  • Simulation caching
  • Functions nodes system
  • Particle solver capable of solving multiple particle simulations with emitters, events and forces (#77266)
  • Find system to ship node groups with Blender (asset system or if not ready, something temporary) (in branch currently)
  • Implement all built-in nodes

Milestone 2 - Feature completion

  • Use cases are supported (particle scattering, weathering, ...).

Unknown Milestone

  • Good collision handling in solver
  • Access any particle attribute in material
  • Access particle data from Python

Relevant links:

**Status:** Project on hold. Active development in this area can be found in the [geometry nodes project ](https://developer.blender.org/project/board/121/). --- **Team** **Commissioner:** @brecht **Project leader:** @JacquesLucke **Project members:** @sebbas @WilliamReynish **Description** **Big picture:** Implement a stable (reliable) flexible node based particle system. **Use cases**: * Motion-graph work that relies on time-based animations. * Set dressing of environment elements. * Generative weathering of surfaces. * Fireworks (particles that spawn new particles). * Dew drops on a leaf. **Design:** * Re-usable effects * High level nodes out of the box * ? (mental model for different types of nodes) **Engineer plan:** * C++ libraries in blenlib. * New builtin simulation node system. * The functions framework with a runtime type system for efficient evaluation of node trees. * The particles system that parses a particle node tree and performs the simulation. **Work plan** **Milestone 1** *Time estimate: 2-4 months* - [ ] Particle nodes - [x] Add Simulation node tree type - [x] Add placeholders for built-in simulation nodes - [x] Add placeholders for built-in function nodes - [x] Define list of built-in nodes - [ ] Define list of group nodes to ship with Blender - [x] Define categories and menu organization - [ ] Finalize naming of nodes and sockets - [x] Support for storing ID pointers in sockets for object/image sockets - [ ] Explore different ways to visualize sockets and links of different type (https://code.blender.org/2020/03/feb-2020-ui-workshop/) - [ ] New `Simulation` data-block containing node tree and cache parameters - [x] Basic implementation of ID type - [x] Dependency graph and copy-on-write integration - [ ] Point cloud (basic) object type (@brecht) - [ ] Modifier for point cloud copies simulated particles from simulation - [ ] Simulation caching - [x] Functions nodes system - [ ] Particle solver capable of solving multiple particle simulations with emitters, events and forces (#77266) - [x] Find system to ship node groups with Blender (asset system or if not ready, something temporary) (in branch currently) - [ ] Implement all built-in nodes **Milestone 2 - Feature completion** - [ ] Use cases are supported (particle scattering, weathering, ...). **Unknown Milestone** - [ ] Good collision handling in solver - [ ] Access any particle attribute in material - [ ] Access particle data from Python --- **Relevant links**: * #68636 (Initial Particle Nodes) * [Everything nodes project ](https://wiki.blender.org/wiki/Source/Nodes) * [Unified Simulation System Proposal ](https://wiki.blender.org/wiki/Source/Nodes/UnifiedSimulationSystemProposal)
Jacques Lucke was assigned by Dalai Felinto 2020-01-22 18:56:56 +01:00
Dalai Felinto commented 2020-01-22 18:56:56 +01:00
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Added subscribers: @WilliamReynish, @sebbas, @JacquesLucke, @brecht, @dfelinto, @eyecandy

Added subscribers: @WilliamReynish, @sebbas, @JacquesLucke, @brecht, @dfelinto, @eyecandy
blender-admin commented 2020-01-22 18:56:56 +01:00
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#68980 was marked as duplicate of this issue

#68980 was marked as duplicate of this issue
Duarte Farrajota Ramos commented 2020-01-22 22:54:07 +01:00
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Erick Aguirre commented 2020-01-27 19:04:23 +01:00
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Dalai Felinto commented 2020-01-28 12:02:04 +01:00
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Added subscribers: @BartekMoniewski, @Pipeliner, @FlorianMosleh, @Enoch11223, @c2ba, @AlbertoVelazquez, @lemenicier_julien, @item412

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Campbell Barton commented 2020-02-12 08:24:44 +01:00
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Changed status from 'Needs Triage' to: 'Confirmed'

Changed status from 'Needs Triage' to: 'Confirmed'
Christian Beckers commented 2020-02-20 21:14:58 +01:00
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Michael George commented 2020-08-31 14:45:46 +02:00
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I wish you can create a more powerful "Keyed Physics" in the new particle system. I wish we can morph between objects easily without limitation (e.g. The two objects has to have the same number of vertices). I really want to thank all the people and developers who work on blender. You are really great and fantastic people. Good job and god bless you all.

I wish you can create a more powerful "Keyed Physics" in the new particle system. I wish we can morph between objects easily without limitation (e.g. The two objects has to have the same number of vertices). I really want to thank all the people and developers who work on blender. You are really great and fantastic people. Good job and god bless you all.
Dalai Felinto commented 2020-09-11 17:17:46 +02:00
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The write up of the recent particiles workshop is here: https://devtalk.blender.org/t/2020-09-03-particle-workshop/15172

The write up of the recent particiles workshop is here: https://devtalk.blender.org/t/2020-09-03-particle-workshop/15172
Alexander Wilms commented 2020-09-11 17:25:42 +02:00
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Doeke commented 2020-12-06 02:01:15 +01:00
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Hi, where can I download a version to test this? I can't find it.

https://blender.stackexchange.com/questions/204093/where-to-get-blender-with-the-new-particle-system

Hi, where can I download a version to test this? I can't find it. https://blender.stackexchange.com/questions/204093/where-to-get-blender-with-the-new-particle-system
Dalai Felinto commented 2020-12-07 11:16:35 +01:00
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@clankill3r the Blender subpage of stackexchange is not hosted or moderated by the blender.org project. So I can't respond to the accuracy of their information.

The particles project itself is on hold, waiting for the geometry nodes project to cover that topic.

If you want to join early adopters go to: https://devtalk.blender.org/t/geometry-nodes/16108

@clankill3r the Blender subpage of stackexchange is not hosted or moderated by the blender.org project. So I can't respond to the accuracy of their information. The particles project itself is on hold, waiting for the geometry nodes project to cover that topic. If you want to join early adopters go to: https://devtalk.blender.org/t/geometry-nodes/16108
Doeke commented 2020-12-07 12:50:47 +01:00
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But isn't there an old version somewhere that I can download?

But isn't there an old version somewhere that I can download?
Michael George commented 2021-04-06 10:27:50 +02:00
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I wish you start doing particle nodes soon. They are more interesting that geo nodes.

I wish you start doing particle nodes soon. They are more interesting that geo nodes.
anonymous commented 2021-04-20 03:42:35 +02:00
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周建峰 commented 2021-12-17 06:38:56 +01:00
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Will the new particle nodes see the light of day in the 3.x series?

Will the new particle nodes see the light of day in the 3.x series?
Ghost commented 2021-12-17 07:31:22 +01:00
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