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Improved box generation speed 

Former-commit-id: a76d97becdd8e41146a01c9970b358eaf6096623
This commit is contained in:
Lynix 2014-07-08 11:56:27 +02:00
parent a0c2d81114
commit c79047bd16
1 changed files with 6 additions and 8 deletions
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14
src/Nazara/Utility/Algorithm.cpp
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@ -732,48 +732,46 @@ void NzGenerateBox(const NzVector3f& lengths, const NzVector3ui& subdivision, co
// Face +X
transform.MakeTransform(NzVector3f::UnitX() * halfLengths.x, NzEulerAnglesf(-90.f, 0.f, -90.f));
NzGeneratePlane(NzVector2ui(subdivision.z, subdivision.y), NzVector2f(lengths.z, lengths.y), transform, textureCoords, vertices, indices, nullptr, indexOffset);
NzGeneratePlane(NzVector2ui(subdivision.z, subdivision.y), NzVector2f(lengths.z, lengths.y), matrix.ConcatenateAffine(transform), textureCoords, vertices, indices, nullptr, indexOffset);
indexOffset += xVertexCount;
indices += xIndexCount;
vertices += xVertexCount;
// Face +Y
transform.MakeTransform(NzVector3f::UnitY() * halfLengths.y, NzEulerAnglesf(0.f, 0.f, 0.f));
NzGeneratePlane(NzVector2ui(subdivision.x, subdivision.z), NzVector2f(lengths.x, lengths.z), transform, textureCoords, vertices, indices, nullptr, indexOffset);
NzGeneratePlane(NzVector2ui(subdivision.x, subdivision.z), NzVector2f(lengths.x, lengths.z), matrix.ConcatenateAffine(transform), textureCoords, vertices, indices, nullptr, indexOffset);
indexOffset += yVertexCount;
indices += yIndexCount;
vertices += yVertexCount;
// Face +Z
transform.MakeTransform(NzVector3f::UnitZ() * halfLengths.z, NzEulerAnglesf(-90.f, 90.f, 90.f));
NzGeneratePlane(NzVector2ui(subdivision.x, subdivision.y), NzVector2f(lengths.x, lengths.y), transform, textureCoords, vertices, indices, nullptr, indexOffset);
NzGeneratePlane(NzVector2ui(subdivision.x, subdivision.y), NzVector2f(lengths.x, lengths.y), matrix.ConcatenateAffine(transform), textureCoords, vertices, indices, nullptr, indexOffset);
indexOffset += zVertexCount;
indices += zIndexCount;
vertices += zVertexCount;
// Face -X
transform.MakeTransform(-NzVector3f::UnitX() * halfLengths.x, NzEulerAnglesf(-90.f, 0.f, 90.f));
NzGeneratePlane(NzVector2ui(subdivision.z, subdivision.y), NzVector2f(lengths.z, lengths.y), transform, textureCoords, vertices, indices, nullptr, indexOffset);
NzGeneratePlane(NzVector2ui(subdivision.z, subdivision.y), NzVector2f(lengths.z, lengths.y), matrix.ConcatenateAffine(transform), textureCoords, vertices, indices, nullptr, indexOffset);
indexOffset += xVertexCount;
indices += xIndexCount;
vertices += xVertexCount;
// Face -Y
transform.MakeTransform(-NzVector3f::UnitY() * halfLengths.y, NzEulerAnglesf(0.f, 0.f, 180.f));
NzGeneratePlane(NzVector2ui(subdivision.x, subdivision.z), NzVector2f(lengths.x, lengths.z), transform, textureCoords, vertices, indices, nullptr, indexOffset);
NzGeneratePlane(NzVector2ui(subdivision.x, subdivision.z), NzVector2f(lengths.x, lengths.z), matrix.ConcatenateAffine(transform), textureCoords, vertices, indices, nullptr, indexOffset);
indexOffset += yVertexCount;
indices += yIndexCount;
vertices += yVertexCount;
// Face -Z
transform.MakeTransform(-NzVector3f::UnitZ() * halfLengths.z, NzEulerAnglesf(-90.f, -90.f, 90.f));
NzGeneratePlane(NzVector2ui(subdivision.x, subdivision.y), NzVector2f(lengths.x, lengths.y), transform, textureCoords, vertices, indices, nullptr, indexOffset);
NzGeneratePlane(NzVector2ui(subdivision.x, subdivision.y), NzVector2f(lengths.x, lengths.y), matrix.ConcatenateAffine(transform), textureCoords, vertices, indices, nullptr, indexOffset);
indexOffset += zVertexCount;
indices += zIndexCount;
vertices += zVertexCount;
NzTransformVertices(oldVertices, vertices-oldVertices, matrix);
if (aabb)
{
aabb->Set(-halfLengths, halfLengths);