oa::FnMesh

FnMesh namespace in the OA Ui public surface.

NsC++ public headers

Public Functions

void oa::FnMesh::computeBounds(oa::MeshData & inMesh)

oa::MeshData oa::FnMesh::createCube(oa::F32 inSize = 1.0f)

oa::MeshData oa::FnMesh::createFullscreenQuad()

oa::MeshData oa::FnMesh::createQuad(oa::F32 inWidth = 1.0f, oa::F32 inHeight = 1.0f)

void oa::FnMesh::flipUvsY(oa::MeshData & inMesh)

oa::U32 oa::FnMesh::getIndexCount(const oa::MeshData & inMesh)

oa::U32 oa::FnMesh::getVertexCount(const oa::MeshData & inMesh)

bool oa::FnMesh::hasIndices(const oa::MeshData & inMesh)

oa::Status oa::FnMesh::scale(oa::MeshData & inMesh, const oa::vlm::Vec3 & inScale)

oa::Status oa::FnMesh::transform(oa::MeshData & inMesh, const oa::vlm::Mat4 & inMatrix)

void oa::FnMesh::translate(oa::MeshData & inMesh, const oa::vlm::Vec3 & inOffset)

Function Documentation

void oa::FnMesh::computeBounds(
	oa::MeshData & inMesh
)

─── bounds ──────────────────────────────────────────────────────────────

Parameters

inMesh

oa::MeshData &

—

Returns

void

The declared return value.

oa::MeshData oa::FnMesh::createCube(
	oa::F32 inSize = 1.0f
)

Create a 3D cube (12 triangles, 24 vertices).

Parameters

inSize

oa::F32

Default: 1.0f

Returns

oa::MeshData

The declared return value.

oa::MeshData oa::FnMesh::createFullscreenQuad()

Create a fullscreen NDC quad [-1, 1] with top-origin image UVs. Used for post-processing passes.

Returns

oa::MeshData

The declared return value.

oa::MeshData oa::FnMesh::createQuad(
	oa::F32 inWidth = 1.0f,
	oa::F32 inHeight = 1.0f
)

Create a centered quad (2 triangles, 4 vertices) with top-origin image UVs. UV V=0 is the source image top and world +Y is the quad top. Default is unit quad [-0.5, 0.5] in XY plane at Z=0. For image/video viewing, pass the pixel dimensions (e.g. 1920, 1080).

Parameters

inWidth

oa::F32

Default: 1.0f

inHeight

oa::F32

Default: 1.0f

Returns

oa::MeshData

The declared return value.

void oa::FnMesh::flipUvsY(
	oa::MeshData & inMesh
)

Flip UVs vertically for explicitly bottom-origin source content.

Parameters

inMesh

oa::MeshData &

—

Returns

void

The declared return value.

oa::U32 oa::FnMesh::getIndexCount(
	const oa::MeshData & inMesh
)

No public source comment is attached to this declaration.

Parameters

inMesh

const oa::MeshData &

—

Returns

oa::U32

The declared return value.

oa::U32 oa::FnMesh::getVertexCount(
	const oa::MeshData & inMesh
)

─── Queries ─────────────────────────────────────────────────────────────

Parameters

inMesh

const oa::MeshData &

—

Returns

oa::U32

The declared return value.

bool oa::FnMesh::hasIndices(
	const oa::MeshData & inMesh
)

No public source comment is attached to this declaration.

Parameters

inMesh

const oa::MeshData &

—

Returns

bool

The declared return value.

oa::Status oa::FnMesh::scale(
	oa::MeshData & inMesh,
	const oa::vlm::Vec3 & inScale
)

Scale all positions and normals. Zero and non-finite scales fail without modifying the mesh.

Parameters

inMesh

oa::MeshData &

—

inScale

const oa::vlm::Vec3 &

—

Returns

oa::Status

The declared return value.

oa::Status oa::FnMesh::transform(
	oa::MeshData & inMesh,
	const oa::vlm::Mat4 & inMatrix
)

Apply an affine matrix to all positions and normals. The mesh remains unchanged when the transform is singular, non-finite, or produces an invalid vertex.

Parameters

inMesh

oa::MeshData &

—

inMatrix

const oa::vlm::Mat4 &

—

Returns

oa::Status

The declared return value.

void oa::FnMesh::translate(
	oa::MeshData & inMesh,
	const oa::vlm::Vec3 & inOffset
)

translate all vertices in-place.

Parameters

inMesh

oa::MeshData &

—

inOffset

const oa::vlm::Vec3 &

—

Returns

void

The declared return value.