Note This project is being developed further into a simulation. Its purpose is no longer to visualize the octree data structure, instead it's a playground where I practice graphics programming. WIP.
A 3D Boids implementation to demonstrate Spatial Partitioning implemented with an Octree.
As I was programming my 3D browser shooter I was particularly unhappy the way I handle bullet / ship collisions. So I started looking for a better solution, say hello to Spatial Partitioning! Instead of checking every bullet against every ship (O(n^2)) you can instead split up the world in partitions with the help of an octree. Every node in this tree represents a 3D space and each space allows a maximum number of entities. If the number of entities exceed the maximum, it splits the space into 8 smaller ones. It keeps doing this recursively. Now, for every bullet you can query the tree for other ships in the same space (node) instead of checking EVERY ship in the world. This makes this new method way more efficient (O(log n)) when handling a lot of entities.
This project is licensed under the MIT License.
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