X-Git-Url: http://git.tdb.fi/?a=blobdiff_plain;f=source%2Fgame%2Ftransform.cpp;fp=source%2Fgame%2Ftransform.cpp;h=6af24c0279ea3ebaaab0ba83a0a0cd4203f62053;hb=c809f54b802727926bae40e9fe67d0e3c94fd2c0;hp=0000000000000000000000000000000000000000;hpb=5ef7c7a9e1e6681ce43fae217e0c3a1b846e6874;p=libs%2Fgame.git

diff --git a/source/game/transform.cpp b/source/game/transform.cpp
new file mode 100644
index 0000000..6af24c0
--- /dev/null
+++ b/source/game/transform.cpp
@@ -0,0 +1,27 @@
+#include "transform.h"
+#include <msp/geometry/affinetransform.h>
+
+namespace Msp::Game {
+
+Transform::Transform(Handle<Entity> e):
+	Component(e)
+{ }
+
+void Transform::set_values(const TransformValues &v)
+{
+	values = v;
+}
+
+void Transform::update_world_matrix(const Transform *parent)
+{
+	using Affine = Geometry::AffineTransform<float, 3>;
+
+	local_matrix = Affine::translation(values.position)*
+		Affine::rotation(values.rotation)*Affine::scaling(values.scale);
+	if(parent)
+		world_matrix = parent->get_world_matrix()*local_matrix;
+	else
+		world_matrix = local_matrix;
+}
+
+} // namespace Msp::Game