Summary Rendering particles takes up huge computational resources. However, duplicating objects in array format is surprisingly low cost in ray marching. I tried to resemble a particle system by deforming an array, but it turned out to def…

Summary Conversational UI is sometimes not suitable for refining your writing. Then I created a brand new app to utilize ChatGPT for text editing. This app is useful enough to use every time I write my articles since its development. Featu…

Summary I was trying to create normal lightning, but it turned out to be surprisingly similar to the water slash effect from Demon Slayer just by changing the color. It seems complex, but it's actually just a distorted ellipse with fBM. Th…

Summary The usual cell shader tends to result in simple posterization, but according to this tutorial, we can add more detail by incorporating the colors of distorted Voronoi patterns. The advantage of using Voronoi is the ability to add l…