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Added SDF operations.
[raymarcher.git]
/
Primitives.lua
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-- Geometric primitives for raymarching
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require "Vector"
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local V = Vector
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local function make_sphere(centre, radius, texture)
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return function(p)
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return {dist = V.norm(p-centre) - radius,
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texture = texture}
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end
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end
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Primitives = {
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make_sphere = make_sphere
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}
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return Primitives