Inigo Quilez :: fractals, computer graphics, mathematics, demoscene and more
My name is Inigo Quilez, I grew up in San Sebastián / Donostia, a beautiful city in the Basque Country, northern Spain. I work in Computer Graphics professionally in different roles - I've been a Technical Artists, a Product Manager, a Software Engineer and a Research Engineer, see resume. When life and work permit, I enjoy publishing and sharing everything I discover or invent in this very web si
Inigo Quilez
Problem One of the most typical problems with texture mapping of large surfaces is the visible repetition of the texture. While things like GL_ARB_texture_mirrored_repeat can help alleviate the problem a bit by making the period of repetition twice bigger, the hardware cannot solve the problem on its own. However, if we are okey with paying the cost of more than a single texture fetch per sample,
Inigo Quilez
Intro When writing shader or during any procedural creation process (texturing, modeling, shading, animation...) you often find yourself modifying signals in different ways so they behave the way you need. It is common to use smoothstep() to threshold some values, or pow() to shape a signal, or clamp() to clip it, mod() to make it repeat, a mix() to blend between two signals, exp() for attenuatati
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Inigo Quilez