//------------------------------------------------------------------------------
CColor4
CStaticIlluminator::SpotLighting( const sMaterial& material, const CVector3f& position, const CVector3f& normal )
{
CColor4 color = CColor4::Black;
for (vector<CLight>::iterator it = this->spotLights.begin();
it != this->spotLights.end(); ++it)
{
CLight& light = *it;
LightStruct &tLight = *(light.GetLightStruct());
CVector3f direction = tLight.Position - position;
float distance = direction.Mag();
if (tLight.Range < distance)
continue;
direction.Normalize();
float NdotL = direction.Dot(normal);
NdotL = max(NdotL, 0.0f);
float attenuation = 1.0f / (tLight.Attenuation0 +
tLight.Attenuation1 * distance +
tLight.Attenuation2 * distance * distance);
// spot tLight factor
float cosAlpha = (-direction).Dot(tLight.Direction);
float cosHalfPhi = cos(tLight.Phi * 0.5f);
if (cosAlpha <= cosHalfPhi)
continue;
float cosHalfTheta = cos(tLight.Theta * 0.5f);
float intensity = (cosAlpha - cosHalfPhi) / (cosHalfTheta - cosHalfPhi);
intensity = pow(intensity, tLight.Falloff);
color += tLight.Diffuse * material.Diffuse * NdotL * attenuation * intensity;
}
return color;
}
//------------------------------------------------------------------------------
CColor4
CStaticIlluminator::PointLighting( const sMaterial& material, const CVector3f& position, const CVector3f& normal )
{
CColor4 color = CColor4::Black;
for (vector<CLight>::iterator it = this->pointLights.begin();
it != this->pointLights.end(); ++it)
{
CLight& light = *it;
CVector3f direction = light.GetPosition() - position;
float distance = direction.Mag();
if (light.GetRange() < distance)
continue;
direction.Normalize();
float NdotL = direction.Dot(normal);
NdotL = max(NdotL, 0.0f);
LightStruct &tLight = *(light.GetLightStruct());
float attenuation = 1.0f / (tLight.Attenuation0 +
tLight.Attenuation1 * distance +
tLight.Attenuation2 * distance * distance);
color += tLight.Diffuse * material.Diffuse * NdotL * attenuation;
}
return color;
}
int CEditModel::CalSkeletalSize(int nDelta)
{
if( GetAnimateGroup() && GetSketetalFrame() && GetSketetalFrame()->GetSkeletalNum() == 0 )
return 0;
if(m_SkeletalPos)
delete[] m_SkeletalPos;
m_SkeletalPos = new SkeletalPos[ GetSketetalFrame()->GetSkeletalNum() ];
CEditAnimate* Ani = (CEditAnimate*)GetAnimateGroup()->GetAniById( 0 );
m_Size += m_Size*0.1f*nDelta;
if( !nDelta )
{
m_Size = 0.0f;
UINT count = m_RenderMatrix.GetSkeletalCount();
for( UINT i = 0; i < count; i++ )
{
const CKeyFrames* KeyFrames = Ani->GetKeyFrame( i );
if( KeyFrames->IsFrameExist() )
{
CQuaternion Quat;
CVector3f Tran;
KeyFrames->GetFirst(Quat,Tran,0.0f);
float len = Tran.Mag();
m_Size = max( m_Size, len);
m_Size = min( 200, m_Size );
}
}
}
return CalAniSize( *(CEditSkeletal*)&GetSketetalFrame()->GetRootSkeletal(), *Ani, m_Size*3.0f );
}
void CAnimCamera::Rotate( float yaw, float pitch )
{
m_pCamEx->rotateY(yaw);
m_pCamEx->pitch(pitch);
CVector3f vecPos = m_pCamEx->getPosition();
CVector3f vecTarget = m_pCamEx->getTargetPosition();
CVector3f vecLen = vecTarget - vecPos;
float fLen = vecLen.Mag();
CVector3f vecDir = m_pCamEx->getDIRECTION() * fLen;
vecDir = vecPos + vecDir;
DebugOut("%f, %f, %f\n", vecDir.x, vecDir.y, vecDir.z );
SetTarget( vecDir );
}
int CEditModel::CalAniSize(const CEditSkeletal& Skeletal, CEditAnimate& Animate, float Size)
{
int i,j,pos=0;
CVector3f child[256];
float len=0;
BYTE SID = Skeletal.GetSkeletalID();
if( SID && Skeletal.GetChildNum() )
{
for( i = 0; i < (int)Skeletal.GetChildNum(); i++ )
{
BYTE ID = Skeletal.GetChild(i)->GetSkeletalID();
CQuaternion Quat;
CVector3f Tran;
Animate.GetKeyFrame( ID )->GetFirst(Quat,Tran,0.0f);
CVector3f off = Tran;
len = max( off.Mag(), len );
for( j = 0; j < pos; j++ )
{
if( child[j] == off )
break;
}
if( j == pos )
{
child[pos] = off;
pos++;
}
}
if( pos == 1 )//代表只有一个子骨骼
{
m_SkeletalPos[SID].m_Scale = sqr::CVector3f(Size*0.1f+child[0].y,child[0].x,Size*0.1f+child[0].z);
}
else
{
float p1[3]={ 0, 0, 0 };
float p2[3]={ 0, 0, 0 };
for( i=0; i<pos; i++ )
{
if( child[i].x>p2[0] )
p2[0] = child[i].x;
if( child[i].y>p2[1] )
p2[1] = child[i].y;
if( child[i].z>p2[2] )
p2[2] = child[i].z;
if( child[i].x<p1[0] )
p1[0] = child[i].x;
if( child[i].y<p1[1] )
p1[1] = child[i].y;
if( child[i].z<p1[2] )
p1[2] = child[i].z;
}
float height = abs(p1[2]-p2[2]);
float width = abs(p1[0]-p2[0]);
float length = abs(p1[1]-p2[1]);
m_SkeletalPos[SID].m_Scale = sqr::CVector3f(width,height,length);
}
}
else
{
float s = Size*0.1f;
m_SkeletalPos[SID].m_Scale = sqr::CVector3f(s,4.0f,s);
}
//for( i = 0; i<6; i++ )
//{
// m_SkeletalPos[SID].m_SklPos[i].np = m_SkeletalPos[SID].m_SklPos[i].p.Normalize();
//}
for( i = 0; i < (int)Skeletal.GetChildNum(); i++ )
CalAniSize( *(CEditSkeletal*)Skeletal.GetChild(i), Animate, Size );
return 0;
}
