void Mesh::TransformVertices(Matrix44f transform)
{
for( unsigned int i = 0; i < this->_vertices.size(); ++i )
{
Vertex* vertex = this->_vertices.at(i);
if( vertex )
{
vertex->Position() = (Vector3f)(transform*Vector4f(vertex->GetPosition(), 1.0f));
}
}
}
void Terrain::UpdateVertices()
{
if( this->IsValid() )
{
for( int y = 0; y <= this->_size.height; ++y )
{
for( int x = 0; x <= this->_size.width; ++x )
{
Vertex* vertex = this->_heightMatrix+x+y*(this->_size.width+1);
vertex->Position().x = (float)x + (float)this->_offset.x;
vertex->Position().z = -(float)y - (float)this->_offset.y;
vertex->TextureCoords().u = (float)x / (float)this->_size.width;
vertex->TextureCoords().v = (float)y / (float)this->_size.height;
vertex->Normal().x = 0.0f;
vertex->Normal().y = 1.0f;
vertex->Normal().z = 0.0f;
}
}
}
}