void AnimationSequence::calculateFOV(mat4 &mat, float &lxMax, float &lyMax) const
{
vec3 vert1, vert2;
vector<Mesh*> s = getFrame();
// for each mesh
for(vector<Mesh*>::iterator i=s.begin(); i!=s.end(); ++i)
{
const Mesh *mesh = (*i);
// For each vertex
for(int i=0; i<mesh->m_numOfVerts; ++i)
{
// Transform the vertex by the matrix
vert1 = mesh->m_pVerts[i];
vert1.w = 1.0f;
vert2 = mat.transformVector(vert1);
// Calculate the spread, keep the max
lxMax = max(lxMax, fabsf(vert2.x / vert2.z));
lyMax = max(lyMax, fabsf(vert2.y / vert2.z));
}
}
}
vec3 ModelLoaderMD3::Surface::transformVertex(const Vertex &v) {
static const mat4 rot = mat4::fromRotateZ((float)M_PI / 2.0f);
return rot.transformVector(vec3(v.x, v.y, v.z) * MD3_XYZ_SCALE);
}
