Hexasphere Grid System is a high performance spherical grid system. It leverages texture arrays and geometry shaders to provide optimal generation and runtime performance allowing hundreds of thousands of tiles.
** Features **
- Wireframe, Shaded and combined styles (shaded + wireframe).
- Bevel effect.
- Per tile color and texture.
- Extrusion with customizable height and gradient colors.
- Interactive: highlight tiles with cursor, drag/rotate and zoom sphere, fly to a given tile.
- Fast and easy to use path-finding functions to get the optimal path between any two tiles.
- Group cells to define different types of surfaces for path-finding purposes.
- Smart Edges option hides edges on adjacent tiles with same material.
- HeightMap texture support with option to use a separate water mask. Earth and water mask textures provided.
- Option to load a texture and map colors to tiles around sphere in one function call
- Inverted mode option. Renders the hexasphere inwards, placing camera at the center!
- VR support (multi-pass).
- Easy to use API (C#) to change individual tile properties, get neighbours, shortest paths, ...
- Full source code included (C#).
- Demo scene included.
Requirements:
- Supports Built-in and URP (Universal Rendering Pipeline) pipelines.
- Compatible with Unity 2022 and Unity 6, including Render Graph.
- Works with SM 2.0 with basic features on all platforms.
- Texture arrays require SM 3.5+
- Extrusion uses geometry shaders (SM 4.0+) compatible with OpenGL & DirectX (not supported on Metal).
Hexasphere Grid System produces perfectly regular geodesic grids which by definition contain 12 pentagons. They are fully functional, can be colored/textured/extruded and be used in path-finding methods as the rest of hexagons. In addition, the grid can be shifted so pentagons don't appear over undesired positions.
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