//----------------------------------------------------------------------------
void Lighting::CreateLights()
{
// Create light0(point light).
m_spLight0 = SE_NEW SELight(SELight::LT_POINT);
m_spLight0->Ambient = m_Light0Color*0.5f;
m_spLight0->Diffuse = m_Light0Color;
m_spLight0->Specular = m_Light0Color*0.5f;
m_spLight0->Linear = 0.02f;
m_spLight0->Quadratic = 0.02f;
// Create light0's node.
m_spLight0Node = SE_NEW SELightNode(m_spLight0);
m_spLight0Node->Local.SetTranslate(SEVector3f(0.0f, m_fLight0Height,
0.0f));
// Create a sphere to represent the light0's source.
SEAttributes tempAttr;
tempAttr.SetPositionChannels(3);
tempAttr.SetColorChannels(0, 3);
float fRadius = 0.2f;
SETriMesh* pPLightSphere = SEStandardMesh(tempAttr).Sphere(8, 8, fRadius);
m_spLight0Node->AttachChild(pPLightSphere);
SEVertexBuffer* pVBuffer = pPLightSphere->VBuffer;
int iVCount = pVBuffer->GetVertexCount();
for( int i = 0; i < iVCount; i++ )
{
pVBuffer->Color3(0, i) = m_Light0Color;
}
SEVertexColor3Effect* pLightSphereEffect = SE_NEW SEVertexColor3Effect;
pPLightSphere->AttachEffect(pLightSphereEffect);
// Create light1(point light).
m_spLight1 = SE_NEW SELight(SELight::LT_POINT);
m_spLight1->Ambient = m_Light1Color*0.5f;
m_spLight1->Diffuse = m_Light1Color;
m_spLight1->Specular = m_Light1Color*0.5f;
m_spLight1->Linear = 0.02f;
m_spLight1->Quadratic = 0.02f;
// Create light1's node.
m_spLight1Node = SE_NEW SELightNode(m_spLight1);
m_spLight1Node->Local.SetTranslate(SEVector3f(0.0f, m_fLight1Height,
0.0f));
// Create a sphere to represent the light1's source.
pPLightSphere = SEStandardMesh(tempAttr).Sphere(8, 8, fRadius);
m_spLight1Node->AttachChild(pPLightSphere);
pVBuffer = pPLightSphere->VBuffer;
iVCount = pVBuffer->GetVertexCount();
for( int i = 0; i < iVCount; i++ )
{
pVBuffer->Color3(0, i) = m_Light1Color;
}
pPLightSphere->AttachEffect(pLightSphereEffect);
}
//----------------------------------------------------------------------------
void ImageExporterApp::CreateScene()
{
m_spScene = SE_NEW SENode;
m_spWireframe = SE_NEW SEWireframeState;
m_spWireframe->Enabled = false;
m_spScene->AttachGlobalState(m_spWireframe);
// 创建用于显示纹理图的矩形.
SEAttributes tempAttr;
tempAttr.SetPositionChannels(3);
tempAttr.SetTCoordChannels(0, 2);
SEVertexBuffer* pVB = SE_NEW SEVertexBuffer(tempAttr, 4);
pVB->Position3(0) = SEVector3f(-1, 1, 0);
pVB->Position3(1) = SEVector3f(1, 1, 0);
pVB->Position3(2) = SEVector3f(1, -1, 0);
pVB->Position3(3) = SEVector3f(-1, -1, 0);
pVB->TCoord2(0, 0) = SEVector2f(0, 0);
pVB->TCoord2(0, 1) = SEVector2f(1, 0);
pVB->TCoord2(0, 2) = SEVector2f(1, 1);
pVB->TCoord2(0, 3) = SEVector2f(0, 1);
SEIndexBuffer* pIB = SE_NEW SEIndexBuffer(6);
int* pIBData = pIB->GetData();
*(pIBData ) = 0;
*(pIBData + 1) = 2;
*(pIBData + 2) = 3;
*(pIBData + 3) = 0;
*(pIBData + 4) = 1;
*(pIBData + 5) = 2;
m_spMesh = SE_NEW SETriMesh(pVB, pIB);
m_spScene->AttachChild(m_spMesh);
m_spScene->UpdateGS();
m_spScene->UpdateRS();
m_Culler.SetCamera(m_spCamera);
m_Culler.ComputeUnculledSet(m_spScene);
}
//----------------------------------------------------------------------------
bool SEWindowApplication3::OnInitialize()
{
if( !SEWindowApplication::OnInitialize() )
{
return false;
}
m_spCamera = SE_NEW SECamera;
m_pRenderer->SetCamera(m_spCamera);
m_spMotionObject = 0;
SEAttributes tempAttr;
tempAttr.SetPositionChannels(3);
tempAttr.SetColorChannels(0, 3);
SEVertexBuffer* pVBuffer = SE_NEW SEVertexBuffer(tempAttr, 6);
(*(SEVector3f*)pVBuffer->PositionTuple(0)) = m_Origin;
(*(SEColorRGB*)pVBuffer->ColorTuple(0, 0)) = SEColorRGB::SE_RGB_RED;
(*(SEVector3f*)pVBuffer->PositionTuple(1)) = m_XEnd;
(*(SEColorRGB*)pVBuffer->ColorTuple(0, 1)) = SEColorRGB::SE_RGB_RED;
(*(SEVector3f*)pVBuffer->PositionTuple(2)) = m_Origin;
(*(SEColorRGB*)pVBuffer->ColorTuple(0, 2)) = SEColorRGB::SE_RGB_GREEN;
(*(SEVector3f*)pVBuffer->PositionTuple(3)) = m_YEnd;
(*(SEColorRGB*)pVBuffer->ColorTuple(0, 3)) = SEColorRGB::SE_RGB_GREEN;
(*(SEVector3f*)pVBuffer->PositionTuple(4)) = m_Origin;
(*(SEColorRGB*)pVBuffer->ColorTuple(0, 4)) = SEColorRGB::SE_RGB_BLUE;
(*(SEVector3f*)pVBuffer->PositionTuple(5)) = m_ZEnd;
(*(SEColorRGB*)pVBuffer->ColorTuple(0, 5)) = SEColorRGB::SE_RGB_BLUE;
m_spWorldAxis = SE_NEW SEPolyline(pVBuffer, false, false);
SEVertexColor3Effect* pEffect = SE_NEW SEVertexColor3Effect;
m_spWorldAxis->AttachEffect(pEffect);
return true;
}
//----------------------------------------------------------------------------
SETriMesh* SEColladaUnimaterialMesh::ToTriMesh()
{
// 创建所需Swing Engine VB.
SEAttributes tempSEAttr;
tempSEAttr.SetPositionChannels(3);
if( m_aNormal )
{
tempSEAttr.SetNormalChannels(3);
}
if( m_aColor )
{
tempSEAttr.SetColorChannels(0, 3);
}
if( m_aTexture )
{
tempSEAttr.SetTCoordChannels(0, 2);
}
SEVertexBuffer* pSEVBuffer = SE_NEW SEVertexBuffer(tempSEAttr, m_iVCount);
for( int i = 0; i < m_iVCount; i++ )
{
(*(SEVector3f*)pSEVBuffer->PositionTuple(i)) = m_aVertex[i];
if( m_aNormal )
{
*(SEVector3f*)pSEVBuffer->NormalTuple(i) = m_aNormal[i];
}
if( m_aColor )
{
*(SEColorRGB*)pSEVBuffer->ColorTuple(0, i) = m_aColor[i];
}
if( m_aTexture )
{
*(SEVector2f*)pSEVBuffer->TCoordTuple(0, i) = m_aTexture[i];
}
}
// 创建所需Swing Engine IB.
SEIndexBuffer* pSEIBuffer = SE_NEW SEIndexBuffer(3 * m_iFCount);
int* pSEIBufferData = pSEIBuffer->GetData();
memcpy(pSEIBufferData, m_aiFace, 3*m_iFCount*sizeof(int));
SETriMesh* pSEMesh = SE_NEW SETriMesh(pSEVBuffer, pSEIBuffer);
SEEffect* pSEEffect = 0;
// 根据Swing Engine网格所带材质和纹理,为其添加effect.
// 目前导出器支持的材质和纹理effect是:
// SEMaterialEffect,SEMaterialTextureEffect,SEDefaultShaderEffect.
if( m_spSEMaterialState )
{
pSEMesh->AttachGlobalState(m_spSEMaterialState);
if( m_spTState )
{
// 待实现.
// 当拆分网格后如何处理多重纹理?
SEImage* pImage = m_spTState->GetImage();
SE_ASSERT( pImage );
if( pImage )
{
std::string tempFName = pImage->GetName();
// 减去".seif"长度.
size_t uiLength = strlen(tempFName.c_str()) - 5;
char tempBuffer[64];
SESystem::SE_Strncpy(tempBuffer, 64, tempFName.c_str(),
uiLength);
tempBuffer[uiLength] = 0;
pSEEffect = SE_NEW SEMaterialTextureEffect(tempBuffer);
}
}
else
{
pSEEffect = SE_NEW SEDefaultShaderEffect;
if( m_aTexture )
{
SE_DELETE[] m_aTexture;
}
}
}
// 理论上不可能出现这种情况.
if( !m_spSEMaterialState && m_spTState )
{
SE_ASSERT( false );
}
if( !m_spSEMaterialState && !m_spTState )
{
pSEEffect = SE_NEW SEDefaultShaderEffect;
}
if( pSEEffect )
{
pSEMesh->AttachEffect(pSEEffect);
}
return pSEMesh;
}
//----------------------------------------------------------------------------
void DynamicShader::CreateScene()
{
m_spScene = SE_NEW SENode;
m_spWireframe = SE_NEW SEWireframeState;
m_spScene->AttachGlobalState(m_spWireframe);
// 创建一个场景中的矩形.
SEAttributes tempAttr;
tempAttr.SetPositionChannels(3);
tempAttr.SetTCoordChannels(0, 2);
SEVertexBuffer* pVBuffer = SE_NEW SEVertexBuffer(tempAttr, 4);
(*(SEVector3f*)pVBuffer->PositionTuple(0)).X = -1.0f;
(*(SEVector3f*)pVBuffer->PositionTuple(0)).Y = -1.0f;
(*(SEVector3f*)pVBuffer->PositionTuple(0)).Z = 0.0f;
(*(SEVector2f*)pVBuffer->TCoordTuple(0, 0)).X = 0.0f;
(*(SEVector2f*)pVBuffer->TCoordTuple(0, 0)).Y = 1.0f;
(*(SEVector3f*)pVBuffer->PositionTuple(1)).X = 1.0f;
(*(SEVector3f*)pVBuffer->PositionTuple(1)).Y = -1.0f;
(*(SEVector3f*)pVBuffer->PositionTuple(1)).Z = 0.0f;
(*(SEVector2f*)pVBuffer->TCoordTuple(0, 1)).X = 1.0f;
(*(SEVector2f*)pVBuffer->TCoordTuple(0, 1)).Y = 1.0f;
(*(SEVector3f*)pVBuffer->PositionTuple(2)).X = 1.0f;
(*(SEVector3f*)pVBuffer->PositionTuple(2)).Y = 1.0f;
(*(SEVector3f*)pVBuffer->PositionTuple(2)).Z = 0.0f;
(*(SEVector2f*)pVBuffer->TCoordTuple(0, 2)).X = 1.0f;
(*(SEVector2f*)pVBuffer->TCoordTuple(0, 2)).Y = 0.0f;
(*(SEVector3f*)pVBuffer->PositionTuple(3)).X = -1.0f;
(*(SEVector3f*)pVBuffer->PositionTuple(3)).Y = 1.0f;
(*(SEVector3f*)pVBuffer->PositionTuple(3)).Z = 0.0f;
(*(SEVector2f*)pVBuffer->TCoordTuple(0, 3)).X = 0.0f;
(*(SEVector2f*)pVBuffer->TCoordTuple(0, 3)).Y = 0.0f;
SEIndexBuffer* pIBuffer = SE_NEW SEIndexBuffer(6);
int* pIBufferData = pIBuffer->GetData();
pIBufferData[0] = 0;
pIBufferData[1] = 3;
pIBufferData[2] = 1;
pIBufferData[3] = 1;
pIBufferData[4] = 3;
pIBufferData[5] = 2;
m_spMesh = SE_NEW SETriMesh(pVBuffer, pIBuffer);
m_spScene->AttachChild(m_spMesh);
m_spEffect = SE_NEW DynamicMultiTextureEffect(1);
m_spMesh->AttachEffect(m_spEffect);
m_spEffect->SetImageName(0, m_ImageNames[0]);
m_spEffect->SetTextureTypeName(0, "ImageTexture");
m_spEffect->Configure();
ConstantColorController* pController = SE_NEW ConstantColorController;
m_spEffect->AttachController(pController);
m_spController = pController;
pController->Frequency = 5.0;
pController->MinTime = 0.0;
pController->MaxTime = 4.0;
pController->Repeat = SEController::RT_CYCLE;
}
//----------------------------------------------------------------------------
SENode* SEWidget::CoordinateFrame(float fLengthOfAxis)
{
SE_ASSERT( fLengthOfAxis > 0 );
SENode* pNode = SE_NEW SENode;
SEAttributes tempAttr;
tempAttr.SetPositionChannels(3);
tempAttr.SetColorChannels(0, 3);
SEStandardMesh tempSM(tempAttr);
SEMatrix3f mat3fRot;
float fAxisHeight = 0.667f*fLengthOfAxis;
float fArrowRadius = 0.08f*fLengthOfAxis;
float fArrowHeight = (1.0f - 0.667f)*fLengthOfAxis;
// Create axis x.
SEVertexBuffer* pVBuffer = SE_NEW SEVertexBuffer(tempAttr, 2);
pVBuffer->Position3(0) = SEVector3f::ZERO;
pVBuffer->Position3(1) = fAxisHeight*SEVector3f::UNIT_X;
pVBuffer->Color3(0, 0) = SEColorRGB::SE_RGB_RED;
pVBuffer->Color3(0, 1) = SEColorRGB::SE_RGB_RED;
SEPolyline* pAxisX = SE_NEW SEPolyline(pVBuffer, false, false);
pAxisX->SetName("AxisX");
// Create axis x's ending arrow.
SETriMesh* pArrowX = tempSM.Cone(16, fArrowRadius, fArrowHeight);
for( int i = 0; i < pArrowX->VBuffer->GetVertexCount(); i++ )
{
pArrowX->VBuffer->Color3(0, i) = SEColorRGB::SE_RGB_RED;
}
mat3fRot.FromAxisAngle(SEVector3f::UNIT_Y, SEMathf::HALF_PI);
pArrowX->Local.SetRotate(mat3fRot);
pArrowX->Local.SetTranslate(fAxisHeight*SEVector3f::UNIT_X);
pArrowX->SetName("ArrowX");
// Create axis y.
pVBuffer = SE_NEW SEVertexBuffer(tempAttr, 2);
pVBuffer->Position3(0) = SEVector3f::ZERO;
pVBuffer->Position3(1) = fAxisHeight*SEVector3f::UNIT_Y;
pVBuffer->Color3(0, 0) = SEColorRGB::SE_RGB_GREEN;
pVBuffer->Color3(0, 1) = SEColorRGB::SE_RGB_GREEN;
SEPolyline* pAxisY = SE_NEW SEPolyline(pVBuffer, false, false);
pAxisY->SetName("AxisY");
// Create axis y's ending arrow.
SETriMesh* pArrowY = tempSM.Cone(16, fArrowRadius, fArrowHeight);
for( int i = 0; i < pArrowY->VBuffer->GetVertexCount(); i++ )
{
pArrowY->VBuffer->Color3(0, i) = SEColorRGB::SE_RGB_GREEN;
}
mat3fRot.FromAxisAngle(SEVector3f::UNIT_X, -SEMathf::HALF_PI);
pArrowY->Local.SetRotate(mat3fRot);
pArrowY->Local.SetTranslate(fAxisHeight*SEVector3f::UNIT_Y);
pArrowY->SetName("ArrowY");
// Create axis z.
pVBuffer = SE_NEW SEVertexBuffer(tempAttr, 2);
pVBuffer->Position3(0) = SEVector3f::ZERO;
pVBuffer->Position3(1) = fAxisHeight*SEVector3f::UNIT_Z;
pVBuffer->Color3(0, 0) = SEColorRGB::SE_RGB_BLUE;
pVBuffer->Color3(0, 1) = SEColorRGB::SE_RGB_BLUE;
SEPolyline* pAxisZ = SE_NEW SEPolyline(pVBuffer, false, false);
pAxisZ->SetName("AxisZ");
// Create axis z's ending arrow.
SETriMesh* pArrowZ = tempSM.Cone(16, fArrowRadius, fArrowHeight);
for( int i = 0; i < pArrowZ->VBuffer->GetVertexCount(); i++ )
{
pArrowZ->VBuffer->Color3(0, i) = SEColorRGB::SE_RGB_BLUE;
}
pArrowZ->Local.SetTranslate(fAxisHeight*SEVector3f::UNIT_Z);
pArrowZ->SetName("ArrowZ");
SEVertexColor3Effect* pEffect = SE_NEW SEVertexColor3Effect;
pAxisX->AttachEffect(pEffect);
pArrowX->AttachEffect(pEffect);
pAxisY->AttachEffect(pEffect);
pArrowY->AttachEffect(pEffect);
pAxisZ->AttachEffect(pEffect);
pArrowZ->AttachEffect(pEffect);
pNode->AttachChild(pAxisX);
pNode->AttachChild(pArrowX);
pNode->AttachChild(pAxisY);
pNode->AttachChild(pArrowY);
pNode->AttachChild(pAxisZ);
pNode->AttachChild(pArrowZ);
pNode->UpdateGS();
return pNode;
}
//----------------------------------------------------------------------------
SENode* SEWidget::AABBFrame(const SEVector3f& rMin, const SEVector3f& rMax,
const SEColorRGB& rColor)
{
SENode* pNode = SE_NEW SENode;
SEAttributes tempAttr;
tempAttr.SetPositionChannels(3);
tempAttr.SetColorChannels(0, 3);
SEVector3f vec3fV0(rMin);
SEVector3f vec3fV1(rMin.X, rMin.Y, rMax.Z);
SEVector3f vec3fV2(rMax.X, rMin.Y, rMax.Z);
SEVector3f vec3fV3(rMax.X, rMin.Y, rMin.Z);
SEVector3f vec3fV4(rMax.X, rMax.Y, rMin.Z);
SEVector3f vec3fV5(rMin.X, rMax.Y, rMin.Z);
SEVector3f vec3fV6(rMin.X, rMax.Y, rMax.Z);
SEVector3f vec3fV7(rMax);
// AABBFrame has 12 edges, 24 ending points.
SEVertexBuffer* pVBuffer = SE_NEW SEVertexBuffer(tempAttr, 24);
pVBuffer->Position3(0 ) = vec3fV0;
pVBuffer->Position3(1 ) = vec3fV1;
pVBuffer->Position3(2 ) = vec3fV1;
pVBuffer->Position3(3 ) = vec3fV2;
pVBuffer->Position3(4 ) = vec3fV2;
pVBuffer->Position3(5 ) = vec3fV3;
pVBuffer->Position3(6 ) = vec3fV3;
pVBuffer->Position3(7 ) = vec3fV0;
pVBuffer->Position3(8 ) = vec3fV5;
pVBuffer->Position3(9 ) = vec3fV6;
pVBuffer->Position3(10) = vec3fV6;
pVBuffer->Position3(11) = vec3fV7;
pVBuffer->Position3(12) = vec3fV7;
pVBuffer->Position3(13) = vec3fV4;
pVBuffer->Position3(14) = vec3fV4;
pVBuffer->Position3(15) = vec3fV5;
pVBuffer->Position3(16) = vec3fV0;
pVBuffer->Position3(17) = vec3fV5;
pVBuffer->Position3(18) = vec3fV1;
pVBuffer->Position3(19) = vec3fV6;
pVBuffer->Position3(20) = vec3fV2;
pVBuffer->Position3(21) = vec3fV7;
pVBuffer->Position3(22) = vec3fV3;
pVBuffer->Position3(23) = vec3fV4;
for( int i = 0; i < 24; i++ )
{
pVBuffer->Color3(0, i) = rColor;
}
SEPolyline* pAABBFrame = SE_NEW SEPolyline(pVBuffer, false, false);
pAABBFrame->SetName("AABBFrame");
SEVertexColor3Effect* pEffect = SE_NEW SEVertexColor3Effect;
pAABBFrame->AttachEffect(pEffect);
pNode->AttachChild(pAABBFrame);
pNode->UpdateGS();
return pNode;
}
