Somewhat improved wrapping

core/Transform.cpp

@@ -13,3 +13,13 @@ Transform::Transform(Vector3 position, Vector3 rotation) {
 void Transform::Translate(cfloat x, cfloat y, cfloat z) {
   position = position + Vector3(x, y, z);
 }
+
+
+Vector3 Transform::Forward() {
+  Vector3 forward(0.0f, 0.0f, -1.0f);
+  Matrix mat(1.0f);
+  mat = glm::rotate(mat, this->rotation.x, Vector3(1.0f, 0.0f, 0.0f));
+  mat = glm::rotate(mat, this->rotation.y, Vector3(0.0f, 1.0f, 0.0f));
+  mat = glm::rotate(mat, this->rotation.z, Vector3(0.0f, 0.0f, 1.0f));
+  return mat * glm::vec4(forward, 1.0f);
+}

core/Transform.h

@@ -1,6 +1,8 @@
 #ifndef TRANSFORM_H
 #define TRANSFORM_H
 
+#include <glm/gtc/matrix_transform.hpp>
+
 #include "types.h"
 
 struct Transform {
@@ -9,6 +11,7 @@ struct Transform {
   Vector3 position;
   Vector3 rotation;
   void Translate(cfloat x, cfloat y, cfloat z);
+  Vector3 Forward();
 };
 
 #endif /* TRANSFORM_H */

main.lua

@@ -31,7 +31,10 @@ function init()
 end
 
 function update(delta)
-   camera.transform:Translate(vx * delta, 0.0, vz * delta)
+   local cam_forwards = camera.transform:Forward()
+   --local vec1 = couch.Vector3() + couch.Vector3()
+   --camera.transform.position = camera.transform.position + cam_forwards
+   --camera.transform:Translate(vx * delta, 0.0, vz * delta)
    camera.transform.rotation.y = camera.transform.rotation.y - cam_rot_x * delta
    cam_rot_x = 0.0
    camera.transform.rotation.x = camera.transform.rotation.x - cam_rot_y * delta

scripting/.dir-locals.el

@@ -0,0 +1,4 @@
+;;; Directory Local Variables
+;;; For more information see (info "(emacs) Directory Variables")
+
+((c-mode . ((mode . c++))))

scripting/couch.i

@@ -1,9 +1,9 @@
 %module couch
 
-%typemap(in) cfloat {
-  $1 = (cfloat) lua_tonumber(L, $input);
- }
+%include "typemaps.i"
+
 %{
+#include "types.h"
 #include "Node.h"
 #include "Transform.h"
 #include "Spatial.h"
@@ -11,11 +11,18 @@
 #include "Mesh.h"
 #include "Ball.h"
 #include "Camera.h"
-%}
+  %}
+
 typedef float cfloat;
-struct Vector3 {
+%ignore "cfloat";
+
+class Vector3 {
+public:
   cfloat x, y, z;
 };
+%ignore "Vector3";
+
+%include "types.h"
 %include "Node.h"
 %include "Spatial.h"
 %include "Transform.h"
@@ -23,3 +30,4 @@ struct Vector3 {
 %include "Mesh.h"
 %include "Ball.h"
 %include "Camera.h"
+