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WIP custom vector encoding.

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Co-Authored-By: Neeto-rzo <68438932+Neeto-rzo@users.noreply.github.com>
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max
2020-12-08 17:34:59 +01:00
parent f2b6a61d1e
commit 13f6da9437
7 changed files with 796 additions and 49 deletions
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28
Runtime/Shaders/HLSL/VectorEncodingDecoding.hlsl
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@ -52,6 +52,34 @@ void Decode2Float1ToFloat3_float(float f1, out float3 f3)
}
// Custom
// Encode float3 to 0..1 float.
void Float3ToFloat2_float(float3 f3, out float2 f2)
{
//float3 rotation = normalize(float3(f3.x, 0, f3.y));
float3 rotation = normalize(float3(f3.x, 0, f3.z));
f2.x = acos (dot(rotation, float3(1, 0, 0))) * sign(f3.z);
f2.x = ((f2.x / V_PI) + 1) * 0.5f;
f2.y = acos(f3.y) / V_PI;
f2 *= 15;
f2.x = round(f2.x);
f2.y = round(f2.y);
}
void Float2ToFloat_float(float2 f2, out float f1)
{
f1 = (f2.x + (16 * f2.y)) / 255;
}
void Float3ToFloat_float(float3 f3, out float f1)
{
float2 f2;
Float3ToFloat2_float(f3, f2);
Float2ToFloat_float(f2, f1);
}
// Decode 0..1 float.
void FloatToFloat2_float(float f1, out float2 f2)
{