cVec4 cVec4::operator / (const float rhs) const
{
if (rhs==0.0f) return cVec4(0.0f, 0.0f, 0.0f, 0.0f); //cant divide by 0
float newX=x / rhs;
float newY=y / rhs;
float newZ=z / rhs;
float newW=w / rhs;
return cVec4(newX, newY, newZ, newW);
}
//Plain the hierarchy
void cScene::ConvertNodesToObjects( aiNode * lpNode, cMatrix lTransform)
{
// Create a new scene object for the node if this has meshes
cMatrix lNodeTransform( cVec4 ( lpNode->mTransformation.a1,
lpNode->mTransformation.b1,
lpNode->mTransformation.c1,
lpNode->mTransformation.d1),
cVec4 ( lpNode->mTransformation.a2,
lpNode->mTransformation.b2,
lpNode->mTransformation.c2,
lpNode->mTransformation.d2),
cVec4 ( lpNode->mTransformation.a3,
lpNode->mTransformation.b3,
lpNode->mTransformation.c3,
lpNode->mTransformation.d3),
cVec4 ( lpNode->mTransformation.a4,
lpNode->mTransformation.b4,
lpNode->mTransformation.c4,
lpNode->mTransformation.d4));
lTransform = lNodeTransform * lTransform;
if ( lpNode->mNumMeshes > 0)
{
cObject *lpObject = new cObject;
lpObject->Init();
lpObject->SetName( lpNode->mName.data );
lpObject->SetWorldMatrix(lTransform);
for (unsigned luiIndex=0; luiIndex<lpNode->mNumMeshes; ++luiIndex)
{
unsigned luiMeshIndex = lpNode->mMeshes[luiIndex];
unsigned luiMaterialIndex;
luiMaterialIndex = mMeshMaterialIndexList[luiMeshIndex];
lpObject->AddMesh(mMeshList[luiMeshIndex],
mMaterialList[luiMaterialIndex]);
}
mObjectList.push_back(lpObject);
}
//Recursive call
for(unsigned luiIndex = 0; luiIndex<lpNode->mNumChildren; ++luiIndex)
{
ConvertNodesToObjects(lpNode->mChildren[luiIndex], lTransform);
}
}
cVec4 cVec4::GetRotatedAxis(double angle, const cVec3 & axis) const
{
cVec3 v3d(x, y, z);
v3d.RotateAxis(angle, axis);
return cVec4(v3d.x, v3d.y, v3d.z, w);
}
cVec4 cVec4::GetRotatedZ(double angle) const
{
cVec3 v3d(x, y, z);
v3d.RotateZ(angle);
return cVec4(v3d.x, v3d.y, v3d.z, w);
}
cVec4 cVec4::operator * (const float rhs) const
{
float newX=x * rhs;
float newY=y * rhs;
float newZ=z * rhs;
float newW=w * rhs;
return cVec4(newX, newY, newZ, newW);
}
cVec4 cVec4::operator - (const cVec4 & rhs) const
{
float newX=x - rhs.x;
float newY=y - rhs.y;
float newZ=z - rhs.z;
float newW=w - rhs.w;
return cVec4(newX, newY, newZ, newW);
}
cVec4 cVec4::operator + (const cVec4 & rhs) const
{
float newX=x + rhs.x;
float newY=y + rhs.y;
float newZ=z + rhs.z;
float newW=w + rhs.w;
return cVec4(newX, newY, newZ, newW);
}