NormalHelper

public abstract class NormalHelper
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Static routines of general utility for renderer implementations. Renderers are not required to use these helpers, but they were designed to be usable without the default renderer.

Functions

computeFaceNormal
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static void computeFaceNormal(@NotNull() Vec3f saveTo, QuadView q)
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Computes the face normal of the given quad and saves it in the provided non-null vector.
getPackedNormalComponent
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static float getPackedNormalComponent(int packedNormal, int component)
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Retrieves values packed by packNormal.
packNormal
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static int packNormal(Vec3f normal, float w)
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Version of packNormal that accepts a vector type.
static int packNormal(float x, float y, float z, float w)
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Stores a normal plus an extra value as a quartet of signed bytes.This is the same normal format that vanilla item rendering expects.The extra value is for use by shaders.

Sources

jvm source
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