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// Geometric Tools, LLC
// Copyright (c) 1998-2014
// Distributed under the Boost Software License, Version 1.0.
// http://www.boost.org/LICENSE_1_0.txt
// http://www.geometrictools.com/License/Boost/LICENSE_1_0.txt
//
// File Version: 5.0.1 (2013/07/14)
#include "SphereMaps.h"
#include "SphereMapEffect.h"
WM5_WINDOW_APPLICATION(SphereMaps);
//----------------------------------------------------------------------------
SphereMaps::SphereMaps ()
:
WindowApplication3("SampleGraphics/SphereMaps", 0, 0, 640, 480,
Float4(1.0f, 1.0f, 1.0f, 1.0f)),
mTextColor(0.0f, 0.0f, 0.0f, 1.0f)
{
Environment::InsertDirectory(ThePath + "Shaders/");
}
//----------------------------------------------------------------------------
bool SphereMaps::OnInitialize ()
{
if (!WindowApplication3::OnInitialize())
{
return false;
}
CreateScene();
// Center-and-fit for camera viewing.
mScene->Update();
mTrnNode->LocalTransform.SetTranslate(-mScene->WorldBound.GetCenter());
mCamera->SetFrustum(60.0f, GetAspectRatio(), 1.0f, 1000.0f);
AVector camDVector(0.0f, 1.0f, 0.0f);
AVector camUVector(0.0f, 0.0f, 1.0f);
AVector camRVector = camDVector.Cross(camUVector);
APoint camPosition = APoint::ORIGIN -
3.0f*mScene->WorldBound.GetRadius()*camDVector;
mCamera->SetFrame(camPosition, camDVector, camUVector, camRVector);
// Initial update of objects.
mScene->Update();
CopyNormalToTCoord1(mScene);
// Initial culling of scene.
mCuller.SetCamera(mCamera);
mCuller.ComputeVisibleSet(mScene);
InitializeCameraMotion(0.001f, 0.001f);
InitializeObjectMotion(mScene);
return true;
}
//----------------------------------------------------------------------------
void SphereMaps::OnTerminate ()
{
mScene = 0;
mTrnNode = 0;
WindowApplication3::OnTerminate();
}
//----------------------------------------------------------------------------
void SphereMaps::OnIdle ()
{
MeasureTime();
if (MoveCamera())
{
mCuller.ComputeVisibleSet(mScene);
}
if (MoveObject())
{
mScene->Update();
CopyNormalToTCoord1(mScene);
mCuller.ComputeVisibleSet(mScene);
}
if (mRenderer->PreDraw())
{
mRenderer->ClearBuffers();
mRenderer->Draw(mCuller.GetVisibleSet());
DrawFrameRate(8, GetHeight()-8, mTextColor);
mRenderer->PostDraw();
mRenderer->DisplayColorBuffer();
}
UpdateFrameCount();
}
//----------------------------------------------------------------------------
void SphereMaps::CreateScene ()
{
mScene = new0 Node();
mTrnNode = new0 Node();
mScene->AttachChild(mTrnNode);
VertexFormat* vformat = VertexFormat::Create(3,
VertexFormat::AU_POSITION, VertexFormat::AT_FLOAT3, 0,
VertexFormat::AU_NORMAL, VertexFormat::AT_FLOAT3, 0,
VertexFormat::AU_TEXCOORD, VertexFormat::AT_FLOAT3, 1);
TriMesh* mesh = StandardMesh(vformat).Torus(64, 64, 1.0f, 0.5f);
mTrnNode->AttachChild(mesh);
std::string effectFile = Environment::GetPathR("SphereMap.wmfx");
SphereMapEffect* effect = new0 SphereMapEffect(effectFile);
std::string environmentName = Environment::GetPathR("SphereMap.wmtf");
Texture2D* environmentTexture = Texture2D::LoadWMTF(environmentName);
environmentTexture->GenerateMipmaps();
mesh->SetEffectInstance(effect->CreateInstance(environmentTexture));
}
//----------------------------------------------------------------------------
void SphereMaps::CopyNormalToTCoord1 (Object* object)
{
TriMesh* mesh = DynamicCast<TriMesh>(object);
if (mesh)
{
VertexBufferAccessor vba(mesh);
for (int i = 0; i < vba.GetNumVertices(); ++i)
{
vba.TCoord<Vector3f>(1, i) = vba.Normal<Vector3f>(i);
}
mRenderer->Update(mesh->GetVertexBuffer());
}
Node* node = DynamicCast<Node>(object);
if (node)
{
for (int i = 0; i < node->GetNumChildren(); ++i)
{
Spatial* child = node->GetChild(i);
if (child)
{
CopyNormalToTCoord1(child);
}
}
}
}
//----------------------------------------------------------------------------
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