bool Scene::CalculateColor(const Ray& ray, Point<float> cameraPosition, Color<float>& color, UINT depth) const
{
color = Color<float>(0.0f, 0.0f, 0.0f, 1.0f);
// Find the nearest object to the camera:
Point<float> intersection;
Vector3<float> normal;
const Material* material;
if (!FindNearestIntersection(ray, intersection, normal, material))
return false;
// Add ambient and emission colors:
color = material->ambientColor + material->emissionColor;
// Calculate color from lights:
Color<float> lightColor;
CalculateLight(cameraPosition, intersection, normal, *material, lightColor);
color = color + lightColor;
// Add reflection:
if (depth > 0)
{
Ray reflectionRay;
reflectionRay.direction = ray.direction - (2.0f * ray.direction.dot(normal) * normal);
reflectionRay.direction.normalize();
reflectionRay.origin = intersection + reflectionRay.direction * 0.0001f;
Color<float> reflectionColor;
CalculateColor(reflectionRay, intersection, reflectionColor, depth - 1);
color = color + (material->specularColor * reflectionColor);
}
return true;
}
void CPacman::Draw(CDC *pdc, const CRect& rect)
{
pdc->FillSolidRect(rect, m_bgcolor);
CRect rc= rect;
rc.DeflateRect(5, 1);
if (rc.Height() % 2 == 0)
rc.bottom--;
int diameter= rc.Height();
int left= rc.left + (int)(m_position * (rc.Width() - diameter));
rc.left= left;
rc.right= left + diameter;
CPen pen(PS_SOLID, 1, RGB(0,0,0));
CSelectObject sopen(pdc, &pen);
CBrush brush(CalculateColor());
CSelectObject sobrush(pdc, &brush);
CPoint ptStart;
CPoint ptEnd;
int hmiddle= rc.top + diameter / 2;
int mouthcy= (int)(m_aperture * m_aperture * diameter);
int upperMouthcy= mouthcy;
int lowerMouthcy= mouthcy;
// It's the sad truth, that CDC::Pie() behaves different on
// Windows 9x than on NT.
if (!m_isWindows9x)
lowerMouthcy++;
if (m_toTheRight)
{
ptStart.x= ptEnd.x= rc.right;
ptStart.y = hmiddle - upperMouthcy;
ptEnd.y = hmiddle + lowerMouthcy;
}
else
{
ptStart.x= ptEnd.x= rc.left;
ptStart.y = hmiddle + lowerMouthcy;
ptEnd.y = hmiddle - upperMouthcy;
}
pdc->Pie(rc, ptStart, ptEnd);
}
void CParticleManager::SetProperties(int cont, int i)
{
CParticleEmitter* l_pE = new CParticleEmitter();
l_pE->SetMinLife(m_vInfo[cont].fLifeMin);
l_pE->SetMaxLife(m_vInfo[cont].fLifeMax);
l_pE->SetTexture(m_vInfo[cont].pTexture);
l_pE->SetMaxEmitRate(m_vInfo[cont].fEmitRate2);
l_pE->SetMinEmitRate(m_vInfo[cont].fEmitRate1);
l_pE->SetGravity(m_vInfo[cont].bGravity);
l_pE->SetName(m_vInfo[cont].sName);
//calcular posiciones del emisor
l_pE->SetPos1(CalculatePos1(cont, i));
l_pE->SetPos2(CalculatePos2(cont, i));
//calcular color, dirección, tamaño, velocidad y ángulo de rotación
CalculateColor(cont);
CalculateDir(cont);
CalculateSize(cont);
CalculateVelocity(cont);
CalculateAngle(cont);
//fijar color, dirección, tamaño, velocidad y ángulo de rotación
l_pE->SetColorTime(m_vTimeColor);
l_pE->SetColorV(m_vColor);
l_pE->SetDirTime(m_vTimeDir);
l_pE->SetDirV(m_vDir);
l_pE->SetSizeTime(m_vTimeSize);
l_pE->SetSizeV(m_vSize);
l_pE->SetVelocityTime(m_vTimeVel);
l_pE->SetVelocityV(m_vVelocity);
l_pE->SetAngleTime(m_vTimeAngle);
l_pE->SetAngleV(m_vAngle);
//borrar memoria
m_vInfo[cont].vColor.clear();
m_vInfo[cont].vDir.clear();
m_vInfo[cont].vSize.clear();
m_vInfo[cont].vVelocity.clear();
m_vInfo[cont].vAngle.clear();
m_vParticleEmitter.push_back(l_pE);
}
