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Quelea
ADDON. Version 0.2. Released on 2015-Jun-16. Provides 44 components. Created by Alex Fischer. Features 17 video tutorials.
Agent-Based Modeling for Designers + A new paradigm for 3D modeling utilizing agents. + Assign forces and behaviors to systems of agents to create interactions. + Utilize any data to drive the system. + Easily debug your system by displaying individual force vectors. + High performance, parallel algorithms, spatial data-structures. + Write your own custom forces, no coding required. + Open source framework for others to build custom behaviors. + Boid forces: Cohese, Separate, Align, & View. + Contain Agents within Brep, Box, Surface, and Polysurface environments. + Forces: Path Follow, Attract, Contain, Surface Flow, Seek, Arrive, Avoid Obstacle, Avoid Unaligned Collision, Sense Image, Sense Point, & more to come. + Behaviors: Bounce Contain, Kill Contain, Initial Velocity, Eat, Set Velocity, & more to come.
Quelea
| Construct Agent Constructs the settings for an Agent. | |
| Deconstruct Agent Deconstructs a Agent to expose its fields such as max speed, max force, and vision radius. Use Deconstruct Particle to expose particle fields such as position. | |
| Deconstruct Particle Deconstructs a Particle to expose its fields such as position, velocity, and acceleration. | |
| Deconstruct Vehicle Deconstructs a Vehicle to expose its fields such as orientation and wheel fields. Use Deconstruct Particle to expose particle fields such as position. | |
| Engine Engine that runs the simulation. | |
| Get Orientation Gets the position of a quelea. | |
| Get Particle Position Gets the position of anything that inherits from Particle. | |
| Get Particle Position History Gets the position history of anything that inherits from Particle. | |
| Get Particle Velocity Gets the velocity of anything that inherits from Particle. | |
| Construct Particle Constructs the settings for a particle. | |
| System Represents a self-contained System of Quelea and Emitters. | |
| Construct Vehicle Constructs settings for a Vehicle |
Agent Rules
| Align Force Steer towards the average heading of Neighbors. | |
| Arrive Force Applies a force to steer the Agent towards a target point and slow down to a stop is it approaches the target point. | |
| Avoid Obstacle Force Applied a force to steer the Agent away if it is about to intersect with an obstacle. | |
| Avoid Unaligned Collision Force Applied a force to steer the Agent away from a predicted potential collision. | |
| Cohese Force Steer to move toward the average position of neighbors | |
| Contain Force Applies a force to keep Agents away from Environment boundaries. | |
| Eat Behavior Kills particles that are within its neighborhood. Try setting the neighborhood radius to the Predator's Body Size and the angle to be low, mimicing a mouth on the front of the Predator. | |
| Follow Path Force Applies a Force to an Agent to move along and stay within a specified radius of a curve. | |
| Seek Force Applies a force to steer the Agent towards the point. | |
| Separate Force Applies a force to steer to avoid neighbors. | |
| View Force Applies a force to move the Agent laterally away from any Agent that blocks its view. | |
| Wander Force Applies a force that causes the agent to randomly steer in a direction that is based off of its previous direction |
Particle Rules
| Apply Custom Force Applied a user specified force vector to the Agent. | |
| Attract Force Attracts a Quelea within the radius of the pt. | |
| Bounce Contain Behavior Causes Particles to bounce off Environment boundaries. | |
| Initial Velocity Applys a one-time force to the Agent when it is first emitted. | |
| Kill Contain Behavior Kills the particle when it leaves the environment boundaries. | |
| Set Velocity Sets the particle's velocity to the desired velocity. | |
| Surface Flow Force Applies a force to simulate water flowing over the surface. |
Environments
| Axis Aligned Box Environment A world Axis Aligned Box Environment. | |
| Brep Environment A closed Brep Environment which the particles will interact with. | |
| Polysurface Environment A 3D Polysurface Environment. | |
| Surface Environment A Surface Environment upon which the Quelea will map their position for the calculation of Forces. |
Emitters
| Box Emitter Emit Quelea from a box. | |
| Curve Emitter A curve from which Quelea can be emitted. | |
| Point Emitter A point from which Quelea can be emitted. | |
| Surface Emitter A surface from which a quelea can be emitted. |
Utility
| Deconstruct Quelea Network Deconstructs a Quelea Network into a list of Quelea | |
| Load Image Loads a bitmap image from a filepath. | |
| Get Neighbors in Radius Gets the Neighbors of an Agent within a specified radius. |
Vehicle Rules
| Sense Image Force Sense Image Force | |
| Sense Point Force Sense Point Force |
Site design © Robin Rodricks.
Site co-created by Andrew Heumann.
Quelea and associated data © 2025 Alex Fischer.
Rhinoceros and Grasshopper are registered trademarks of Robert McNeel & Associates.
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