//----------------------------------------------------------------------------
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);
}
//----------------------------------------------------------------------------
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;
}
//----------------------------------------------------------------------------
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;
}