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Add PackNormal/UnpackNormal and GetInt/SetInt to MeshAccessor

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This commit is contained in:
Wojtek Figat
2025-01-12 21:22:35 +01:00
parent 344d342610
commit d751c6a6c6
5 changed files with 90 additions and 15 deletions
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13
Source/Editor/Viewport/Previews/ModelPreview.cs
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@@ -304,7 +304,8 @@ namespace FlaxEditor.Viewport.Previews
for (int i = 0; i < count; i++)
{
var position = positionStream.GetFloat3(i);
var normal = normalStream.GetFloat3(i) * 2.0f - 1.0f;
var normal = normalStream.GetFloat3(i);
MeshAccessor.UnpackNormal(ref normal);
DebugDraw.DrawLine(position, position + normal * 4.0f, Color.Blue);
}
}
@@ -328,7 +329,8 @@ namespace FlaxEditor.Viewport.Previews
for (int i = 0; i < count; i++)
{
var position = positionStream.GetFloat3(i);
var tangent = tangentStream.GetFloat3(i) * 2.0f - 1.0f;
var tangent = tangentStream.GetFloat3(i);
MeshAccessor.UnpackNormal(ref tangent);
DebugDraw.DrawLine(position, position + tangent * 4.0f, Color.Red);
}
}
@@ -353,10 +355,11 @@ namespace FlaxEditor.Viewport.Previews
for (int i = 0; i < count; i++)
{
var position = positionStream.GetFloat3(i);
var normal = normalStream.GetFloat3(i) * 2.0f - 1.0f;
var normal = normalStream.GetFloat3(i);
var tangent = tangentStream.GetFloat4(i);
var bitangentSign = tangent.W > Mathf.Epsilon ? -1.0f : +1.0f;
var bitangent = Float3.Cross(normal, new Float3(tangent) * 2.0f - 1.0f) * bitangentSign;
MeshAccessor.UnpackNormal(ref normal);
MeshAccessor.UnpackNormal(ref tangent, out var bitangentSign);
var bitangent = Float3.Cross(normal, new Float3(tangent)) * bitangentSign;
DebugDraw.DrawLine(position, position + bitangent * 4.0f, Color.Green);
}
}