X-Git-Url: http://git.mutantstargoat.com?p=demo;a=blobdiff_plain;f=src%2Fmesh.cc;h=fde7ac4a6796849e24d820e5ac0f4946c98f07ca;hp=340263ac72035ff72bfd5fc4295e5e982d9e99c4;hb=47982b199010496e34eefb95044275fb231cba18;hpb=243eb502c5dc70e586a9e81815234069bf623480

diff --git a/src/mesh.cc b/src/mesh.cc
index 340263a..fde7ac4 100644
--- a/src/mesh.cc
+++ b/src/mesh.cc
@@ -1,10 +1,28 @@
 #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