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Non-Uniform Scale Transofrmation Support #3

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WeakKnight opened this issue Nov 30, 2021 · 1 comment
Open

Non-Uniform Scale Transofrmation Support #3

WeakKnight opened this issue Nov 30, 2021 · 1 comment

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@WeakKnight
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WeakKnight commented Nov 30, 2021 •
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in gbuffer_vs.hlsl:
o_vtx.normal = mul(instanceMatrix, float4(i_vtx.normal, 0)).xyz;
o_vtx.tangent.xyz = mul(instanceMatrix, float4(i_vtx.tangent.xyz, 0)).xyz;
o_vtx.tangent.w = i_vtx.tangent.w;

need to use transpose(inverse(instanceMatrix)).
@WeakKnight WeakKnight changed the title Negative Scale Transofrmation Support Non-Uniform Scale Transofrmation Support Nov 30, 2021
@WeakKnight
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Also Odd Negative Scale need to be taken into consideration.

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