//----------------------------------------------------------------------------
bool EnvironmentMaps::Setup ()
{
// load model
m_spkScene = new Node(1);
m_spkTrnNode = new Node(1);
m_spkScene->AttachChild(m_spkTrnNode);
Stream kStream;
bool bLoaded = kStream.Load("Face.mgc");
if ( !bLoaded )
return false;
m_spkModel = (Node*) kStream.GetObjectAt(0);
m_spkTrnNode->AttachChild(m_spkModel);
// attach environment map
Image* pkImage = Image::Load("SphereMap.mif");
if ( !pkImage )
return false;
Texture* pkTexture = new Texture;
pkTexture->SetImage(pkImage);
pkTexture->Filter() = Texture::FM_LINEAR;
pkTexture->Mipmap() = Texture::MM_NONE;
pkTexture->Apply() = Texture::AM_DECAL;
pkTexture->Envmap() = Texture::EM_SPHERE;
TextureState* pkTS = new TextureState;
pkTS->Set(0,pkTexture);
m_spkModel->SetRenderState(pkTS);
return true;
}
//----------------------------------------------------------------------------
void WrigglingSnake::CreateSnakeBody ()
{
// create the B-spline curve for the snake body
Vector3f* akCtrl = new Vector3f[m_iNumCtrl];
int i;
for (i = 0; i < m_iNumCtrl; i++)
{
// control points for a snake
float fRatio = ((float)i)/(float)(m_iNumCtrl-1);
float fX = -1.0f + 2.0f*fRatio;
float fXMod = 10.0f*fX - 4.0f;
akCtrl[i].X() = fX;
akCtrl[i].Y() = ms_fRadius*(1.5f + Mathf::ATan(fXMod)/Mathf::PI);
akCtrl[i].Z() = 0.0f;
// sinusoidal motion for snake
m_afAmplitude[i] = 0.1f+fRatio*Mathf::Exp(-fRatio);
m_afPhase[i] = 1.5f*fRatio*Mathf::TWO_PI;
}
// the control points are copied by the curve objects
m_pkCenter = new BSplineCurve3f(m_iNumCtrl,akCtrl,m_iDegree,false,true);
delete[] akCtrl;
// generate a tube surface
bool bClosed = false;
Vector3f kUpVector = Vector3f::UNIT_Y;
int iMedialSamples = 128;
int iSliceSamples = 32;
bool bWantNormals = true;
bool bWantColors = false;
bool bSampleByArcLength = false;
bool bInsideView = false;
Vector2f kTextureMin(0.0f,0.0f), kTextureMax(1.0f,16.0f);
m_spkSnakeBody = new TubeSurface(m_pkCenter,Radial,bClosed,kUpVector,
iMedialSamples,iSliceSamples,bWantNormals,bWantColors,
bSampleByArcLength,bInsideView,&kTextureMin,&kTextureMax);
// attach a texture for the snake body
Texture* pkTexture = new Texture;
pkTexture->SetImage(Image::Load("snake.mif"));
pkTexture->Filter() = Texture::FM_LINEAR;
pkTexture->Mipmap() = Texture::MM_LINEAR_LINEAR;
pkTexture->Apply() = Texture::AM_REPLACE;
pkTexture->Wrap() = Texture::WM_WRAP_S_WRAP_T;
TextureState* pkTS = new TextureState;
pkTS->Set(0,pkTexture);
//m_spkSnakeBody->SetRenderState(pkTS);
// Set up a light map to add to the current color.
pkTexture = new Texture;
pkTexture->SetImage(Image::Load("LightMap.mif"));
pkTexture->Filter() = Texture::FM_LINEAR;
pkTexture->Mipmap() = Texture::MM_LINEAR_LINEAR;
pkTexture->Apply() = Texture::AM_ADD;
pkTexture->Envmap() = Texture::EM_SPHERE;
pkTS->Set(1,pkTexture);
m_spkSnakeBody->SetRenderState(pkTS);
m_spkSnakeRoot->AttachChild(m_spkSnakeBody);
}
