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SkyBox.cpp
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SkyBox.cpp
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#include <echo/Graphics/SkyBox.h>
#include <echo/Graphics/Mesh.h>
#include <echo/Graphics/SubMesh.h>
#include <echo/Resource/MeshManager.h>
#include <echo/Resource/TextureManager.h>
#include <echo/Resource/MaterialManager.h>
#include <echo/Resource/MaterialManager.h>
namespace Echo
{
SkyBox::SkyBox(const std::string& name, MeshManager& meshManager, TextureManager& textureManager, MaterialManager& materialManager) :
mMeshManager(meshManager),
mTextureManager(textureManager),
mMaterialManager(materialManager),
mMeshOutOfDate(true),
mDistance(1000.f)
{
shared_ptr<Mesh> mesh = meshManager.CreateMesh(name);
SetMesh(mesh);
mMaterial = mMaterialManager.CreateMaterial(name);
mMaterial->SetToDefaultMaterial();
mMaterial->GetPass(0)->SetCullMode(RenderPass::CullModes::NONE);
}
SkyBox::~SkyBox()
{
}
void SkyBox::SetDistance(f32 distance)
{
mDistance=distance;
mMeshOutOfDate=true;
}
void SkyBox::SetTexture(const std::string& textureName)
{
mTexture = mTextureManager.GetResource(textureName);
if(mTexture)
{
mMaterial->SetTexture(mTexture);
mMaterial->GetPass(0)->GetTextureUnit(0)->SetWrapMode(TextureUnit::TextureWrapModes::CLAMP);
}
mMeshOutOfDate = true;
}
void SkyBox::SetTextureLeft(const std::string& textureName)
{
mTextureLeft = mTextureManager.GetResource(textureName);
if(!mTextureLeft)
{
ECHO_LOG_ERROR("Unable to set left texture");
return;
}
if(!mMaterialLeft)
{
mMaterialLeft = mMaterialManager.CreateMaterial(textureName);
mMaterialLeft->SetToDefaultMaterial();
mMaterialLeft->GetPass(0)->SetCullMode(RenderPass::CullModes::NONE);
}
mMaterialLeft->SetTexture(mTextureLeft);
mMaterialLeft->GetPass(0)->GetTextureUnit(0)->SetWrapMode(TextureUnit::TextureWrapModes::CLAMP_TO_EDGE);
mMeshOutOfDate = true;
}
void SkyBox::SetTextureRight(const std::string& textureName)
{
mTextureRight = mTextureManager.GetResource(textureName);
if(!mTextureRight)
{
ECHO_LOG_ERROR("Unable to set right texture");
return;
}
if(!mMaterialRight)
{
mMaterialRight = mMaterialManager.CreateMaterial(textureName);
mMaterialRight->SetToDefaultMaterial();
mMaterialRight->GetPass(0)->SetCullMode(RenderPass::CullModes::NONE);
}
mMaterialRight->SetTexture(mTextureRight);
mMaterialRight->GetPass(0)->GetTextureUnit(0)->SetWrapMode(TextureUnit::TextureWrapModes::CLAMP_TO_EDGE);
mMeshOutOfDate = true;
}
void SkyBox::SetTextureFront(const std::string& textureName)
{
mTextureFront = mTextureManager.GetResource(textureName);
if(!mTextureFront)
{
ECHO_LOG_ERROR("Unable to set front texture");
return;
}
if(!mMaterialFront)
{
mMaterialFront = mMaterialManager.CreateMaterial(textureName);
mMaterialFront->SetToDefaultMaterial();
mMaterialFront->GetPass(0)->SetCullMode(RenderPass::CullModes::NONE);
}
mMaterialFront->SetTexture(mTextureFront);
mMaterialFront->GetPass(0)->GetTextureUnit(0)->SetWrapMode(TextureUnit::TextureWrapModes::CLAMP_TO_EDGE);
mMeshOutOfDate = true;
}
void SkyBox::SetTextureBack(const std::string& textureName)
{
mTextureBack = mTextureManager.GetResource(textureName);
if(!mTextureBack)
{
ECHO_LOG_ERROR("Unable to set back texture");
return;
}
if(!mMaterialBack)
{
mMaterialBack = mMaterialManager.CreateMaterial(textureName);
mMaterialBack->SetToDefaultMaterial();
mMaterialBack->GetPass(0)->SetCullMode(RenderPass::CullModes::NONE);
}
mMaterialBack->SetTexture(mTextureBack);
mMaterialBack->GetPass(0)->GetTextureUnit(0)->SetWrapMode(TextureUnit::TextureWrapModes::CLAMP_TO_EDGE);
mMeshOutOfDate = true;
}
void SkyBox::SetTextureTop(const std::string& textureName)
{
mTextureTop = mTextureManager.GetResource(textureName);
if(!mTextureTop)
{
ECHO_LOG_ERROR("Unable to set top texture");
return;
}
if(!mMaterialTop)
{
mMaterialTop = mMaterialManager.CreateMaterial(textureName);
mMaterialTop->SetToDefaultMaterial();
mMaterialTop->GetPass(0)->SetCullMode(RenderPass::CullModes::NONE);
}
mMaterialTop->SetTexture(mTextureTop);
mMaterialTop->GetPass(0)->GetTextureUnit(0)->SetWrapMode(TextureUnit::TextureWrapModes::CLAMP_TO_EDGE);
mMeshOutOfDate = true;
}
void SkyBox::SetTextureBottom(const std::string& textureName)
{
mTextureBottom = mTextureManager.GetResource(textureName);
if(!mTextureBottom)
{
ECHO_LOG_ERROR("Unable to set bottom texture");
return;
}
if(!mMaterialBottom)
{
mMaterialBottom = mMaterialManager.CreateMaterial(textureName);
mMaterialBottom->SetToDefaultMaterial();
mMaterialBottom->GetPass(0)->SetCullMode(RenderPass::CullModes::NONE);
}
mMaterialBottom->SetTexture(mTextureBottom);
mMaterialBottom->GetPass(0)->GetTextureUnit(0)->SetWrapMode(TextureUnit::TextureWrapModes::CLAMP_TO_EDGE);
mMeshOutOfDate = true;
}
void SkyBox::UpdateMesh()
{
GetMesh()->Clear();
if(mTexture)
{
//A single texture is used so we only need to create one submesh.
//It is assumed that the coordinates can be sourced using the following:
// -U--
// BLFR
// -D--
// U=(0.25,0) - (0.5,0.333333)
// B=(0,0.333333) - (0.25,0.666666)
// L=(0.25,0.333333) - (0.5,0.666666)
// F=(0.5,0.333333) - (0.75,0.666666)
// R=(0.75,0.333333) - (1.0,0.666666)
// D=(0.25,0.666666) - (0.5,1.0)
shared_ptr<SubMesh> subMesh = GetMesh()->CreateSubMesh();
shared_ptr<VertexBuffer> vertexBuffer = subMesh->GetVertexBuffer();
vertexBuffer->AddVertexAttribute("Position", VertexAttribute(VertexAttribute::ComponentTypes::VECTOR3,1));
vertexBuffer->AddVertexAttribute("UV0", VertexAttribute(VertexAttribute::ComponentTypes::TEXTUREUV,1));
vertexBuffer->Allocate(24);
VertexBuffer::Accessor<Vector3> vertices = vertexBuffer->GetAccessor<Vector3>("Position");
VertexBuffer::Accessor<TextureUV> uvs = vertexBuffer->GetAccessor<TextureUV>("UV0");
subMesh->SetElementBuffer(ElementBuffer::Types::STATIC, ElementBuffer::IndexTypes::UNSIGNED_16BIT, ElementBuffer::ElementTypes::TRIANGLE, 12);
shared_ptr<ElementBuffer> elementBuffer=subMesh->GetElementBuffer();
auto triangles = elementBuffer->GetAccessor< ElementBuffer::Triangle<u16> >();
Size triangleIndex=0;
u16 indexBase=0;
{
//Front
vertices[indexBase] = Vector3(-mDistance,-mDistance,-mDistance); uvs[indexBase] = TextureUV(0.5f,0.665f);
vertices[indexBase+1] = Vector3(-mDistance,mDistance,-mDistance); uvs[indexBase+1] = TextureUV(0.5f,0.334f);
vertices[indexBase+2] = Vector3(mDistance,mDistance,-mDistance); uvs[indexBase+2] = TextureUV(0.75f,0.334);
vertices[indexBase+3] = Vector3(mDistance,-mDistance,-mDistance); uvs[indexBase+3] = TextureUV(0.75f,0.665);
ElementBuffer::Triangle<u16>& triangle1 = triangles[triangleIndex];
triangle1.mA=indexBase;
triangle1.mB=indexBase+1;
triangle1.mC=indexBase+2;
triangleIndex++;
ElementBuffer::Triangle<u16>& triangle2 = triangles[triangleIndex];
triangle2.mA=indexBase+2;
triangle2.mB=indexBase+3;
triangle2.mC=indexBase;
triangleIndex++;
indexBase+=4;
}
{
//Left
vertices[indexBase] = Vector3(-mDistance,-mDistance,-mDistance); uvs[indexBase] = TextureUV(0.5f,0.665);
vertices[indexBase+1] = Vector3(-mDistance,mDistance,-mDistance); uvs[indexBase+1] = TextureUV(0.5f,0.334);
vertices[indexBase+2] = Vector3(-mDistance,-mDistance,mDistance); uvs[indexBase+2] = TextureUV(0.25f,0.665f);
vertices[indexBase+3] = Vector3(-mDistance,mDistance,mDistance); uvs[indexBase+3] = TextureUV(0.25f,0.334f);
ElementBuffer::Triangle<u16>& triangle1 = triangles[triangleIndex];
triangle1.mA=indexBase;
triangle1.mB=indexBase+1;
triangle1.mC=indexBase+2;
triangleIndex++;
ElementBuffer::Triangle<u16>& triangle2 = triangles[triangleIndex];
triangle2.mA=indexBase+2;
triangle2.mB=indexBase+1;
triangle2.mC=indexBase+3;
triangleIndex++;
indexBase+=4;
}
{
//Back
vertices[indexBase] = Vector3(-mDistance,-mDistance,mDistance); uvs[indexBase] = TextureUV(0.25f,0.665f);
vertices[indexBase+1] = Vector3(-mDistance,mDistance,mDistance); uvs[indexBase+1] = TextureUV(0.25f,0.334f);
vertices[indexBase+2] = Vector3(mDistance,mDistance,mDistance); uvs[indexBase+2] = TextureUV(0.f,0.334f);
vertices[indexBase+3] = Vector3(mDistance,-mDistance,mDistance); uvs[indexBase+3] = TextureUV(0.f,0.665f);
ElementBuffer::Triangle<u16>& triangle1 = triangles[triangleIndex];
triangle1.mA=indexBase;
triangle1.mB=indexBase+1;
triangle1.mC=indexBase+2;
triangleIndex++;
ElementBuffer::Triangle<u16>& triangle2 = triangles[triangleIndex];
triangle2.mA=indexBase+2;
triangle2.mB=indexBase+3;
triangle2.mC=indexBase;
triangleIndex++;
indexBase+=4;
}
{
//Right
vertices[indexBase] = Vector3(mDistance,-mDistance,-mDistance); uvs[indexBase] = TextureUV(0.75f,0.665f);
vertices[indexBase+1] = Vector3(mDistance,mDistance,-mDistance); uvs[indexBase+1] = TextureUV(0.75f,0.334f);
vertices[indexBase+2] = Vector3(mDistance,-mDistance,mDistance); uvs[indexBase+2] = TextureUV(1.f,0.665f);
vertices[indexBase+3] = Vector3(mDistance,mDistance,mDistance); uvs[indexBase+3] = TextureUV(1.f,0.334f);
ElementBuffer::Triangle<u16>& triangle1 = triangles[triangleIndex];
triangle1.mA=indexBase;
triangle1.mB=indexBase+1;
triangle1.mC=indexBase+2;
triangleIndex++;
ElementBuffer::Triangle<u16>& triangle2 = triangles[triangleIndex];
triangle2.mA=indexBase+2;
triangle2.mB=indexBase+1;
triangle2.mC=indexBase+3;
triangleIndex++;
indexBase+=4;
}
{
//Top
vertices[indexBase] = Vector3(-mDistance,mDistance,-mDistance); uvs[indexBase] = TextureUV(0.5f,0.333333f);
vertices[indexBase+1] = Vector3(-mDistance,mDistance,mDistance); uvs[indexBase+1] = TextureUV(0.25f,0.333333f);
vertices[indexBase+2] = Vector3(mDistance,mDistance,mDistance); uvs[indexBase+2] = TextureUV(0.25f,0.f);
vertices[indexBase+3] = Vector3(mDistance,mDistance,-mDistance); uvs[indexBase+3] = TextureUV(0.5f,0.f);
ElementBuffer::Triangle<u16>& triangle1 = triangles[triangleIndex];
triangle1.mA=indexBase+2;
triangle1.mB=indexBase+1;
triangle1.mC=indexBase;
triangleIndex++;
ElementBuffer::Triangle<u16>& triangle2 = triangles[triangleIndex];
triangle2.mA=indexBase;
triangle2.mB=indexBase+3;
triangle2.mC=indexBase+2;
triangleIndex++;
indexBase+=4;
}
{
//Bottom
vertices[indexBase] = Vector3(-mDistance,-mDistance,-mDistance); uvs[indexBase] = TextureUV(0.25f,1.f);
vertices[indexBase+1] = Vector3(-mDistance,-mDistance,mDistance); uvs[indexBase+1] = TextureUV(0.5f,1.f);
vertices[indexBase+2] = Vector3(mDistance,-mDistance,mDistance); uvs[indexBase+2] = TextureUV(0.5f,0.666666f);
vertices[indexBase+3] = Vector3(mDistance,-mDistance,-mDistance); uvs[indexBase+3] = TextureUV(0.25f,0.666666f);
ElementBuffer::Triangle<u16>& triangle1 = triangles[triangleIndex];
triangle1.mA=indexBase+2;
triangle1.mB=indexBase+1;
triangle1.mC=indexBase;
triangleIndex++;
ElementBuffer::Triangle<u16>& triangle2 = triangles[triangleIndex];
triangle2.mA=indexBase;
triangle2.mB=indexBase+3;
triangle2.mC=indexBase+2;
triangleIndex++;
}
subMesh->Finalise();
GetMesh()->SetMaterial(mMaterial);
}else
{
//A single texture is used so we only need to create one submesh.
//It is assumed that the coordinates can be sourced using the following:
// -U--
// BLFR
// -D--
// U=(0.25,0) - (0.5,0.333333)
// B=(0,0.333333) - (0.25,0.666666)
// L=(0.25,0.333333) - (0.5,0.666666)
// F=(0.5,0.333333) - (0.75,0.666666)
// R=(0.75,0.333333) - (1.0,0.666666)
// D=(0.25,0.666666) - (0.5,1.0)
if(mMaterialFront)
{
shared_ptr<SubMesh> subMesh = GetMesh()->CreateSubMesh();
shared_ptr<VertexBuffer> vertexBuffer = subMesh->GetVertexBuffer();
vertexBuffer->AddVertexAttribute("Position", VertexAttribute(VertexAttribute::ComponentTypes::VECTOR3,1));
vertexBuffer->AddVertexAttribute("UV0", VertexAttribute(VertexAttribute::ComponentTypes::TEXTUREUV,1));
vertexBuffer->Allocate(4);
subMesh->SetElementBuffer(ElementBuffer::Types::STATIC, ElementBuffer::IndexTypes::UNSIGNED_16BIT, ElementBuffer::ElementTypes::TRIANGLE, 1);
shared_ptr<ElementBuffer> elementBuffer=subMesh->GetElementBuffer();
auto triangles = elementBuffer->GetAccessor< ElementBuffer::Triangle<u16> >();
VertexBuffer::Accessor<Vector3> vertices = vertexBuffer->GetAccessor<Vector3>("Position");
VertexBuffer::Accessor<TextureUV> uvs = vertexBuffer->GetAccessor<TextureUV>("UV0");
//Front
vertices[0] = Vector3(-mDistance,-mDistance,-mDistance);
vertices[1] = Vector3(-mDistance,mDistance,-mDistance);
vertices[2] = Vector3(mDistance,mDistance,-mDistance);
vertices[3] = Vector3(mDistance,-mDistance,-mDistance);
uvs[0] = TextureUV(0,1);
uvs[1] = TextureUV(0,0);
uvs[2] = TextureUV(1,0);
uvs[3] = TextureUV(1,1);
ElementBuffer::Triangle<u16>& triangle1 = triangles[0];
triangle1.mA=0;
triangle1.mB=1;
triangle1.mC=2;
ElementBuffer::Triangle<u16>& triangle2 = triangles[1];
triangle2.mA=2;
triangle2.mB=3;
triangle2.mC=0;
subMesh->Finalise();
subMesh->SetMaterial(mMaterialFront);
}
if(mMaterialLeft)
{
shared_ptr<SubMesh> subMesh = GetMesh()->CreateSubMesh();
shared_ptr<VertexBuffer> vertexBuffer = subMesh->GetVertexBuffer();
vertexBuffer->AddVertexAttribute("Position", VertexAttribute(VertexAttribute::ComponentTypes::VECTOR3,1));
vertexBuffer->AddVertexAttribute("UV0", VertexAttribute(VertexAttribute::ComponentTypes::TEXTUREUV,1));
vertexBuffer->Allocate(4);
subMesh->SetElementBuffer(ElementBuffer::Types::STATIC, ElementBuffer::IndexTypes::UNSIGNED_16BIT, ElementBuffer::ElementTypes::TRIANGLE, 1);
shared_ptr<ElementBuffer> elementBuffer=subMesh->GetElementBuffer();
auto triangles = elementBuffer->GetAccessor< ElementBuffer::Triangle<u16> >();
VertexBuffer::Accessor<Vector3> vertices = vertexBuffer->GetAccessor<Vector3>("Position");
VertexBuffer::Accessor<TextureUV> uvs = vertexBuffer->GetAccessor<TextureUV>("UV0");
//Left
vertices[0] = Vector3(-mDistance,-mDistance,-mDistance);
vertices[1] = Vector3(-mDistance,mDistance,-mDistance);
vertices[2] = Vector3(-mDistance,-mDistance,mDistance);
vertices[3] = Vector3(-mDistance,mDistance,mDistance);
uvs[0] = TextureUV(1,1);
uvs[1] = TextureUV(1,0);
uvs[2] = TextureUV(0,1);
uvs[3] = TextureUV(0,0);
ElementBuffer::Triangle<u16>& triangle1 = triangles[0];
triangle1.mA=0;
triangle1.mB=1;
triangle1.mC=2;
ElementBuffer::Triangle<u16>& triangle2 = triangles[1];
triangle2.mA=2;
triangle2.mB=1;
triangle2.mC=3;
subMesh->Finalise();
subMesh->SetMaterial(mMaterialLeft);
}
if(mMaterialBack)
{
shared_ptr<SubMesh> subMesh = GetMesh()->CreateSubMesh();
shared_ptr<VertexBuffer> vertexBuffer = subMesh->GetVertexBuffer();
vertexBuffer->AddVertexAttribute("Position", VertexAttribute(VertexAttribute::ComponentTypes::VECTOR3,1));
vertexBuffer->AddVertexAttribute("UV0", VertexAttribute(VertexAttribute::ComponentTypes::TEXTUREUV,1));
vertexBuffer->Allocate(4);
subMesh->SetElementBuffer(ElementBuffer::Types::STATIC, ElementBuffer::IndexTypes::UNSIGNED_16BIT, ElementBuffer::ElementTypes::TRIANGLE, 1);
shared_ptr<ElementBuffer> elementBuffer=subMesh->GetElementBuffer();
auto triangles = elementBuffer->GetAccessor< ElementBuffer::Triangle<u16> >();
VertexBuffer::Accessor<Vector3> vertices = vertexBuffer->GetAccessor<Vector3>("Position");
VertexBuffer::Accessor<TextureUV> uvs = vertexBuffer->GetAccessor<TextureUV>("UV0");
//Back
vertices[0] = Vector3(-mDistance,-mDistance,mDistance);
vertices[1] = Vector3(-mDistance,mDistance,mDistance);
vertices[2] = Vector3(mDistance,mDistance,mDistance);
vertices[3] = Vector3(mDistance,-mDistance,mDistance);
uvs[0] = TextureUV(1,1);
uvs[1] = TextureUV(1,0);
uvs[2] = TextureUV(0,0);
uvs[3] = TextureUV(0,1);
ElementBuffer::Triangle<u16>& triangle1 = triangles[0];
triangle1.mA=0;
triangle1.mB=1;
triangle1.mC=2;
ElementBuffer::Triangle<u16>& triangle2 = triangles[1];
triangle2.mA=2;
triangle2.mB=3;
triangle2.mC=0;
subMesh->Finalise();
subMesh->SetMaterial(mMaterialBack);
}
if(mMaterialRight)
{
shared_ptr<SubMesh> subMesh = GetMesh()->CreateSubMesh();
shared_ptr<VertexBuffer> vertexBuffer = subMesh->GetVertexBuffer();
vertexBuffer->AddVertexAttribute("Position", VertexAttribute(VertexAttribute::ComponentTypes::VECTOR3,1));
vertexBuffer->AddVertexAttribute("UV0", VertexAttribute(VertexAttribute::ComponentTypes::TEXTUREUV,1));
vertexBuffer->Allocate(4);
subMesh->SetElementBuffer(ElementBuffer::Types::STATIC, ElementBuffer::IndexTypes::UNSIGNED_16BIT, ElementBuffer::ElementTypes::TRIANGLE, 1);
shared_ptr<ElementBuffer> elementBuffer=subMesh->GetElementBuffer();
auto triangles = elementBuffer->GetAccessor< ElementBuffer::Triangle<u16> >();
VertexBuffer::Accessor<Vector3> vertices = vertexBuffer->GetAccessor<Vector3>("Position");
VertexBuffer::Accessor<TextureUV> uvs = vertexBuffer->GetAccessor<TextureUV>("UV0");
//Right
vertices[0] = Vector3(mDistance,-mDistance,-mDistance);
vertices[1] = Vector3(mDistance,mDistance,-mDistance);
vertices[2] = Vector3(mDistance,-mDistance,mDistance);
vertices[3] = Vector3(mDistance,mDistance,mDistance);
uvs[0] = TextureUV(0,1);
uvs[1] = TextureUV(0,0);
uvs[2] = TextureUV(1,1);
uvs[3] = TextureUV(1,0);
ElementBuffer::Triangle<u16>& triangle1 = triangles[0];
triangle1.mA=0;
triangle1.mB=1;
triangle1.mC=2;
ElementBuffer::Triangle<u16>& triangle2 = triangles[1];
triangle2.mA=2;
triangle2.mB=1;
triangle2.mC=3;
subMesh->Finalise();
subMesh->SetMaterial(mMaterialRight);
}
if(mMaterialTop)
{
shared_ptr<SubMesh> subMesh = GetMesh()->CreateSubMesh();
shared_ptr<VertexBuffer> vertexBuffer = subMesh->GetVertexBuffer();
vertexBuffer->AddVertexAttribute("Position", VertexAttribute(VertexAttribute::ComponentTypes::VECTOR3,1));
vertexBuffer->AddVertexAttribute("UV0", VertexAttribute(VertexAttribute::ComponentTypes::TEXTUREUV,1));
vertexBuffer->Allocate(4);
subMesh->SetElementBuffer(ElementBuffer::Types::STATIC, ElementBuffer::IndexTypes::UNSIGNED_16BIT, ElementBuffer::ElementTypes::TRIANGLE, 1);
shared_ptr<ElementBuffer> elementBuffer=subMesh->GetElementBuffer();
auto triangles = elementBuffer->GetAccessor< ElementBuffer::Triangle<u16> >();
VertexBuffer::Accessor<Vector3> vertices = vertexBuffer->GetAccessor<Vector3>("Position");
VertexBuffer::Accessor<TextureUV> uvs = vertexBuffer->GetAccessor<TextureUV>("UV0");
//Top
vertices[0] = Vector3(-mDistance,mDistance,-mDistance);
vertices[1] = Vector3(-mDistance,mDistance,mDistance);
vertices[2] = Vector3(mDistance,mDistance,mDistance);
vertices[3] = Vector3(mDistance,mDistance,-mDistance);
uvs[0] = TextureUV(0,1);
uvs[1] = TextureUV(0,0);
uvs[2] = TextureUV(1,0);
uvs[3] = TextureUV(1,1);
ElementBuffer::Triangle<u16>& triangle1 = triangles[0];
triangle1.mA=2;
triangle1.mB=1;
triangle1.mC=0;
ElementBuffer::Triangle<u16>& triangle2 = triangles[1];
triangle2.mA=0;
triangle2.mB=3;
triangle2.mC=2;
subMesh->Finalise();
subMesh->SetMaterial(mMaterialTop);
}
if(mMaterialBottom)
{
shared_ptr<SubMesh> subMesh = GetMesh()->CreateSubMesh();
shared_ptr<VertexBuffer> vertexBuffer = subMesh->GetVertexBuffer();
vertexBuffer->AddVertexAttribute("Position", VertexAttribute(VertexAttribute::ComponentTypes::VECTOR3,1));
vertexBuffer->AddVertexAttribute("UV0", VertexAttribute(VertexAttribute::ComponentTypes::TEXTUREUV,1));
vertexBuffer->Allocate(4);
subMesh->SetElementBuffer(ElementBuffer::Types::STATIC, ElementBuffer::IndexTypes::UNSIGNED_16BIT, ElementBuffer::ElementTypes::TRIANGLE, 1);
shared_ptr<ElementBuffer> elementBuffer=subMesh->GetElementBuffer();
auto triangles = elementBuffer->GetAccessor< ElementBuffer::Triangle<u16> >();
VertexBuffer::Accessor<Vector3> vertices = vertexBuffer->GetAccessor<Vector3>("Position");
VertexBuffer::Accessor<TextureUV> uvs = vertexBuffer->GetAccessor<TextureUV>("UV0");
//Bottom
vertices[0] = Vector3(-mDistance,-mDistance,-mDistance);
vertices[1] = Vector3(-mDistance,-mDistance,mDistance);
vertices[2] = Vector3(mDistance,-mDistance,mDistance);
vertices[3] = Vector3(mDistance,-mDistance,-mDistance);
uvs[0] = TextureUV(0,0);
uvs[1] = TextureUV(0,1);
uvs[2] = TextureUV(1,1);
uvs[3] = TextureUV(1,0);
ElementBuffer::Triangle<u16>& triangle1 = triangles[0];
triangle1.mA=2;
triangle1.mB=1;
triangle1.mC=0;
ElementBuffer::Triangle<u16>& triangle2 = triangles[1];
triangle2.mA=0;
triangle2.mB=3;
triangle2.mC=2;
subMesh->Finalise();
subMesh->SetMaterial(mMaterialBottom);
}
}
mMeshOutOfDate = false;
}
void SkyBox::Render(RenderContext& renderContext, Colour compoundDiffuse)
{
if(mMeshOutOfDate)
{
UpdateMesh();
}
SceneEntity::Render(renderContext, compoundDiffuse);
}
}

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