int IcoSphere::addToVertices(std::list<VertexPair> *target, const Ogre::Vector3 &position, const Ogre::ColourValue &colour, float scale)
{
Ogre::Matrix4 transform = Ogre::Matrix4::IDENTITY;
transform.setTrans(position);
transform.setScale(Ogre::Vector3(scale, scale, scale));
for (int i = 0; i < (int)vertices.size(); i++)
target->push_back(VertexPair(transform * vertices[i], colour));
return vertices.size();
}
//
// 根据输入的平移， 旋转， 缩放分量创建出位置变换矩阵.
//
void FairyEditorFrame::BuildTransformMatrix(Ogre::Matrix4& Matrix, const Ogre::Vector3& position, const Ogre::Quaternion rotate, const Ogre::Vector3 scale)
{
Ogre::Matrix4 posMatrix;
Ogre::Matrix4 scaleMatrix;
Ogre::Matrix4 rotateMatrix(rotate);
posMatrix = Ogre::Matrix4::IDENTITY;
posMatrix.setTrans(position);
scaleMatrix = Ogre::Matrix4::IDENTITY;
scaleMatrix.setScale(scale);
// 最终的变换矩阵.
Matrix = posMatrix * rotateMatrix * scaleMatrix;
}