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add demos to README.md

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Abe Pazos
2025-08-27 18:32:18 +00:00
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orx-hash-grid/README.md
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@@ -68,16 +68,39 @@ val hashGrid = points.hashGrid(20.0)
<!-- __demos__ -->
## Demos
### DemoFilter01
[source code](src/jvmDemo/kotlin/DemoFilter01.kt)
The program performs the following steps:
- Generates 10,000 random points uniformly distributed within the drawable bounds.
- Filters the generated points to enforce a minimum distance of 20.0 units between them.
- Visualizes the filtered points as circles with a radius of 10.0 units on the canvas.
![DemoFilter01Kt](https://raw.githubusercontent.com/openrndr/orx/media/orx-hash-grid/images/DemoFilter01Kt.png)
### DemoFilter3D01
[source code](src/jvmDemo/kotlin/DemoFilter3D01.kt)
[source code](src/jvmDemo/kotlin/DemoFilter01.kt)
### DemoFilter3D01
This demo sets up and renders a 3D visualization of filtered random points displayed as small spheres.
The program performs the following key steps:
- Generates 10,000 random 3D points within a ring defined by a minimum and maximum radius.
- Filters the points to ensure a minimum distance between any two points using a spatial hash grid.
- Creates a small sphere mesh that will be instanced for each filtered point.
- Sets up an orbital camera to allow viewing the 3D scene interactively.
- Renders the filtered points by translating the sphere mesh to each point's position and applying a shader that modifies the fragment color based on the view normal.
![DemoFilter3D01Kt](https://raw.githubusercontent.com/openrndr/orx/media/orx-hash-grid/images/DemoFilter3D01Kt.png)
### DemoHashGrid01
[source code](src/jvmDemo/kotlin/DemoHashGrid01.kt)
[source code](src/jvmDemo/kotlin/DemoFilter3D01.kt)
### DemoHashGrid01
This demo sets up an interactive graphics application with a configurable
display window and visualization logic. It uses a `HashGrid` to manage points
in a 2D space and randomly generates points within the drawable area. These
points are then inserted into the grid if they satisfy certain spatial conditions.
The visual output includes:
- Rectangles representing the bounds of the cells in the grid.
- Circles representing the generated points.
![DemoHashGrid01Kt](https://raw.githubusercontent.com/openrndr/orx/media/orx-hash-grid/images/DemoHashGrid01Kt.png)
[source code](src/jvmDemo/kotlin/DemoHashGrid01.kt)