May
23
2019

scripts // shaders // Unity3d

Scrolling Texture Plotter using CustomRenderTexture

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An article by mgear

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Saw interesting question in the forums (link) about drawing plotter like data that would scroll up, got idea about custom rendertextures (since it was similar to this effect)

Basic idea:
– use CustomRenderTexture, double buffered so it can read from itself
– draw color32 array into texture2D
– use that texture2D in your CustomRenderTexture as the bottom pixel row
– CustomRenderTexture keeps scrolling up by reading 1 pixel below

Scrolling Perlin Noise Colors (bottom 1 pixel row comes from the Texture2D)

Project sources:
https://github.com/unitycoder/ScrollingTexturePlotter

Tags: customrendertexture, plot, plotter, scrolling, texture

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