#include "mesh.h"
-Mesh::Mesh() {}
+Mesh::Mesh()
+{
+ vdata_valid = false;
+}
Mesh::~Mesh()
{
indices.clear();
vertices.clear();
normals.clear();
+}
+
+void Mesh::transform(const Mat4 &mat)
+{
+ Mat4 normal_mat = mat.upper3x3();
+ for(size_t i=0; i<vertices.size(); i++) {
+ vertices[i] = mat * vertices[i];
+ normals[i] = normal_mat * normals[i];
+ }
+ invalidate();
+}
+
+void Mesh::invalidate()
+{
+ vdata_valid = false;
}
\ No newline at end of file