camera.cpp

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/*
* camera.cpp
*/
 
/*
* Copyright (C) 2009 RobotCub Consortium
* Author: Alessandro Scalzo alessandro.scalzo@iit.it
* CopyPolicy: Released under the terms of the GNU GPL v2.0.
*
* Based on:
*
*   Qavimator
*   Copyright (C) 2006 by Zi Ree   *
*   Zi Ree @ SecondLife   *
*   Released under the terms of the GNU GPL v2.0.
*/
 
#ifdef __APPLE__
#include <OpenGL/glu.h>
#else
#if defined(WIN32) || defined(WIN64)
#include <windows.h>
#endif
#include <GL/glu.h>
#endif
 
#include "camera.h"
 
Camera::Camera()
{
    reset();
}
 
void Camera::rotate(float x, float y)
{
    rotX += x;
    if (rotX < 2) rotX = 2;
    if (rotX > 80) rotX = 80;
    rotY += y;
    if (rotY < 0) rotY += 360;
    if (rotY > 360) rotY -= 360;
}
 
void Camera::pan(float x, float y, float z)
{
    panX -= x/2;
    if (panX < -500) panX = -500;
    if (panX > 500) panX = 500;
    panY += y/2;
    if (panY < 5) panY = 5;
    if (panY > 500) panY = 500;
    panZ += z;
    if (panZ < 10) panZ = 10;
    if (panZ > 1000) panZ = 1000;
}
 
void Camera::setModelView()
{
    glMatrixMode(GL_MODELVIEW);
    glLoadIdentity();
    gluLookAt(panX, panY, panZ, panX, panY, 0, 0, 1, 0);
    glRotatef(rotX, 1, 0, 0);
    glRotatef(rotY, 0, 1, 0);
}
 
void Camera::reset()
{
    rotX = 10;
    rotY = 0;
    panX = 0;
    panY = 40;
    panZ = 100;
}
 
float Camera::xRotation() const
{
    return rotX;
}
 
float Camera::yRotation() const
{
    return rotY;
}