glmCamera.h

#ifndef _GLM_CAMERA_H_
#define _GLM_CAMERA_H_

#include <glm/glm.hpp>
#include <glm/gtc/matrix_transform.hpp>
#include <glm/gtc/type_ptr.hpp>

/// \brief A simple camera class that uses glm as a backend
///
/// \detail Everything is public because I am going to leave it up to the
/// programmer to not screw themselves or others
///
class glmCamera {
public:
	//Construction/Destruction
	glmCamera();
	//Nothing to clean up

	//View settings
	void setCameraPos(const glm::vec3& v);
	void setCameraFocus(const glm::vec3& v);
	void setCameraUpVec(const glm::vec3& v);

	//Projection settings
	void setAspectRatio(const float ar);
	void setViewAngle(const float a);
	void setNearClipDist(const float d);
	void setFarClipDist(const float d);

	//Get matrix data
	glm::mat4 getViewMat();
	float* getViewMatRef();
	glm::mat4 getProjMat();
	float* getProjMatRef();

	//Create matrices
	void genViewMat();
	void genProjMat();

	//View matrix variables
	glm::vec3 pos; ///< position of the camera
	glm::vec3 fp; ///< focal point of the camera
	glm::vec3 up; ///< the up direction for the camera

	//Projection matrix variables
	float ar; ///< aspect ratio
	float angle; ///< angle in radians
	float near; ///< near clipping distance
	float far; ///< far clipping distance

	//functional matrices
	glm::mat4 view; ///< View matrix for OpenGL
	glm::mat4 proj; ///< Projection matrix for OpenGL
};

#endif