X-Git-Url: http://git.tdb.fi/?p=libs%2Fgl.git;a=blobdiff_plain;f=source%2Fcamera.h;h=59cbaae3760599148a4a9de610ae3b6e514d3003;hp=a2d2993afeedd83500e0f1a490f3f100b91a3f2f;hb=6a045019fbd68738b77849629e6dfd3dfd9a4d93;hpb=75adf0a90054f4f418663b7d347260cf31b6c046

diff --git a/source/camera.h b/source/camera.h
index a2d2993a..59cbaae3 100644
--- a/source/camera.h
+++ b/source/camera.h
@@ -1,13 +1,7 @@
-/* $Id$
-
-This file is part of libmspgl
-Copyright © 2010  Mikko Rasa, Mikkosoft Productions
-Distributed under the LGPL
-*/
-
 #ifndef MSP_GL_CAMERA_H_
 #define MSP_GL_CAMERA_H_
 
+#include "matrix.h"
 #include "vector.h"
 
 namespace Msp {
@@ -16,26 +10,39 @@ namespace GL {
 class Camera
 {
 private:
-	float fov;
+	Geometry::Angle<float> fov;
+	float height;
 	float aspect;
 	// Some compilers have "near" and "far" keywords
 	float clip_near;
 	float clip_far;
+	float frustum_x;
+	float frustum_y;
+	Geometry::Angle<float> rotate;
 	Vector3 position;
 	Vector3 look_dir;
 	Vector3 up_dir;
-	float matrix[16];
+	Matrix view_matrix;
+	Matrix object_matrix;
+	Matrix proj_matrix;
 
 public:
 	Camera();
 
-	void set_field_of_view(float);
+	void set_field_of_view(const Geometry::Angle<float> &);
+	void set_orthographic(float, float);
 	void set_aspect(float);
 	void set_depth_clip(float, float);
-	float get_field_of_view() const { return fov; }
+	void set_frustum_axis(float, float);
+	void set_frustum_rotation(const Geometry::Angle<float> &);
+	const Geometry::Angle<float> &get_field_of_view() const { return fov; }
+	bool is_orthographic() const { return fov==Geometry::Angle<float>::zero(); }
+	float get_orthographic_width() const { return height*aspect; }
+	float get_orthographic_height() const { return height; }
 	float get_aspect() const { return aspect; }
 	float get_near_clip() const { return clip_near; }
 	float get_far_clip() const { return clip_far; }
+	const Geometry::Angle<float> &get_frustum_rotation() const { return rotate; }
 
 	void set_position(const Vector3 &);
 	void set_look_direction(const Vector3 &);
@@ -45,13 +52,30 @@ public:
 	const Vector3 &get_look_direction() const { return look_dir; }
 	const Vector3 &get_up_direction() const { return up_dir; }
 
+	/** Deprecated alias for get_view_matrix. */
+	const Matrix &get_matrix() const { return get_view_matrix(); }
+
+	/** Returns the view matrix, used to transform coordinates from world space
+	to eye space. */
+	const Matrix &get_view_matrix() const { return view_matrix; }
+
+	/** Returns the object matrix, used to transform coordinates from eye space
+	to world space. */
+	const Matrix &get_object_matrix() const { return object_matrix; }
+
+	/** Returns the projection matrix. */
+	const Matrix &get_projection_matrix() const { return proj_matrix; }
+
 	Vector3 project(const Vector4 &) const;
+	Vector3 project(const Vector3 &) const;
 	Vector4 unproject(const Vector4 &) const;
+	Vector3 unproject(const Vector3 &) const;
 
 	void apply() const;
 
 private:
-	void compute_matrix();
+	void update_projection_matrix();
+	void update_object_matrix();
 };
 
 } // namespace GL