101 lines
2.8 KiB
C++
101 lines
2.8 KiB
C++
#ifndef __camera_h__
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#define __camera_h__
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#include <cmath>
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#ifdef WIN32
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#include <windows.h> //Currently used for mouse stuff this should be replaced by oa_input
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#endif
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#include "vector.h"
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#include "mygl.h"
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#include "screen.h"
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namespace OpenArena
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{
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class Camera
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{
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public:
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//Constructors
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Camera(); //Default Constructor
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//Purpose:
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// Creates a new Camera object located at the origin, pointing at the negative z-axis with up being the positive y-axis
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//Camera(const Camera&); //Copy Constructor
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//Purpose:
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//
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//Observer Accessors
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Vec3f Position();
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//Purpose:
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// Returns the position vector of this camera.
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// This vector is the location of the camera.
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Vec3f View();
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//Purpose:
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// Returns the view vector of this camera.
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// This vector is the direction the camera is pointing.
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Vec3f UpVector();
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//Purpose:
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// Returns the up vector of this camera.
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// This vector points up in the rendered view.
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Vec3f Strafe();
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//Purpose:
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// Returns the strafe vector fo this camera.
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// This is the direction StrafeCamera will move
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//Mutators
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void PositionCamera(double xpos, double ypos, double zpos,
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double xview, double yview, double zview,
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double xup, double yup, double zup);
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//Purpose:
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// Relocates and reorientates the camera as determined by the given vector components.
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void PositionCamera(Vec3f pos, Vec3f view, Vec3f up);
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//Purpose:
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// Relocates and reorientates the camera as determined by the given vectos.
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void Camera::RotateView(double angle, Vec3d axis);
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//Purpose:
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// Rotates the camera by angle degrees about the axis specified by axis.
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void RotateView(double angle, double X, double Y, double Z);
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//Purpose:
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// Rotates the camera by angle degrees about the axis specified by the given components.
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// Works the same as glRotatef(angle, X, Y, Z).
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void SetViewByMouse(Window window);
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//Purpose:
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// Updates the view Vector based on the change in mouse position since the last time it was called.
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//This function needs to be reimagined and better fleshed out.
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//void RotateAroundPoint(Vec3f vCenter, double X, double Y, double Z);
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//Purpose:
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// Rotates the camera arount the point vCenter X degrees around the x-axis, Y degrees around the y-axis, and Z degrees around the z-axis in that order
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void StrafeCamera(double speed);
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//Purpose:
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// Moves the camera along it's strafe vector speed units.
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void MoveCamera(double speed);
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//Purpose:
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// Moves the camera along it's view vector speed units.
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void Update();
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//Purpose:
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// Recalculates the strafe vector.
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void Look();
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//Purpose:
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// Calls gluLookAt with stored values to set the scene to the camera.
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private:
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Vec3f m_vPosition;
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Vec3f m_vView;
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Vec3f m_vUpVector;
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Vec3f m_vStrafe;
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};
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};
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#endif
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