Method InitPlane

SampleFramework12/v1.00/Graphics/Model.cpp:321–355

Initializes the mesh as a plane

// Initializes the mesh as a plane
void Mesh::InitPlane(const Float2& dimensions, const Float3& position, const Quaternion& orientation, uint32 materialIdx,
                     MeshVertex* dstVertices, uint16* dstIndices)
{
    uint64 vIdx = 0;

    dstVertices[vIdx++] = MeshVertex(Float3(-1.0f, 0.0f, 1.0f), Float3(0.0f, 1.0f, 0.0f), Float2(0.0f, 0.0f), Float3(1.0f, 0.0f, 0.0f), Float3(0.0f, 0.0f, -1.0f));
    dstVertices[vIdx++] = MeshVertex(Float3(1.0f, 0.0f, 1.0f), Float3(0.0f, 1.0f, 0.0f), Float2(1.0f, 0.0f), Float3(1.0f, 0.0f, 0.0f), Float3(0.0f, 0.0f, -1.0f));
    dstVertices[vIdx++] = MeshVertex(Float3(1.0f, 0.0f, -1.0f), Float3(0.0f, 1.0f, 0.0f), Float2(1.0f, 1.0f), Float3(1.0f, 0.0f, 0.0f), Float3(0.0f, 0.0f, -1.0f));
    dstVertices[vIdx++] = MeshVertex(Float3(-1.0f, 0.0f, -1.0f), Float3(0.0f, 1.0f, 0.0f), Float2(0.0f, 1.0f), Float3(1.0f, 0.0f, 0.0f), Float3(0.0f, 0.0f, -1.0f));

    for(uint64 i = 0; i < NumPlaneVerts; ++i)
        dstVertices[i].Transform(position, Float3(dimensions.x, 1.0f, dimensions.y) * 0.5f, orientation);

    uint64 iIdx = 0;
    dstIndices[iIdx++] = 0;
    dstIndices[iIdx++] = 1;
    dstIndices[iIdx++] = 2;
    dstIndices[iIdx++] = 2;
    dstIndices[iIdx++] = 3;
    dstIndices[iIdx++] = 0;

    const uint32 indexSize = 2;
    indexType = IndexType::Index16Bit;

    numVertices = uint32(NumPlaneVerts);
    numIndices = uint32(NumPlaneIndices);

    meshParts.Init(1);
    MeshPart& part = meshParts[0];
    part.IndexStart = 0;
    part.IndexCount = numIndices;
    part.VertexStart = 0;
    part.VertexCount = numVertices;
    part.MaterialIdx = materialIdx;
}

void Mesh::InitCommon(const MeshVertex* vertices_, const uint16* indices_, uint64 vbAddress, uint64 ibAddress, uint64 vtxOffset_, uint64 idxOffset_)
{