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Godot 4: Heart monitor shader (tutorial)
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this post was submitted on 27 Jul 2026
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Why make it a shader? Couldn't you get a similar effect by simply playing around with a Line2D node's color with a gradient?
For example, because Line2D runs on the CPU, while a shader runs on the GPU (much faster). But of course, many effects can be achieved in different ways. I just happen to prefer shaders.