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A simple project for testing out how to use Shaders in Unity. A simple project for testing out how to use Shaders in Unity.
There is not much to see, but you'll find a 2D Heatmap with values generated from Perlin Noise. This project mostly revolves around rendering of a grid of squares, each able to accept a color. Currently it is programmed to accept a single floating point describing it's position on a value gradient.
RGB color values are generated from a simple heatmap image I found, and a simple Python script is used to extract and print them out. It is also programmed to use values from a Perlin Noise map which slowly scrolls over. The value gradient's points were generated from a image I found online, and the RGB values generated from a simple Python script.
## Screenshot
![Scrolling Perlin Noise Heatmap](./perlin_heatmap.gif) ![Scrolling Perlin Noise Heatmap](./perlin_heatmap.gif)
## Important Files
- [GridShader.shader](./Climb/Assets/GridShader.shader) - Controls rendering of a grid. Values are sent through the GPU (StructuredBuffer)!
- [GridController.cs](./Climb/Assets/Scripts/GridController.cs) - Controls value generation, scrolling and actually sending values to the shader mat.
- [hsv/main.py](./hsv/main.py) - Generates an array literal from [gradient.png](./hsv/gradient.png) for use in the Shader as a gradient for a heatmap.