overte/interface/src/Camera.cpp
2013-04-12 15:00:48 -07:00

48 lines
1.3 KiB
C++
Executable file

//---------------------------------------------------------------------
//
// Created by Jeffrey Ventrella for High Fidelity.
// Copyright (c) 2013 High Fidelity, Inc. All rights reserved.
//
//---------------------------------------------------------------------
#include "Camera.h"
#include "Util.h"
//------------------------
Camera::Camera()
{
mode = CAMERA_MODE_THIRD_PERSON;
fieldOfView = 60.0; // default
yaw = 0.0;
pitch = 0.0;
roll = 0.0;
up = 0.0;
distance = 0.0;
targetPosition = glm::vec3( 0.0, 0.0, 0.0 );
position = glm::vec3( 0.0, 0.0, 0.0 );
orientation.setToIdentity();
}
//------------------------
void Camera::update()
{
double radian = ( yaw / 180.0 ) * PIE;
//these need to be checked to make sure they correspond to the cordinate system.
double x = distance * -sin( radian );
double z = distance * cos( radian );
double y = up;
position = targetPosition + glm::vec3( x, y, z );
//------------------------------------------------------------------------
//geterate the ortho-normals for the orientation based on the Euler angles
//------------------------------------------------------------------------
orientation.setToIdentity();
orientation.yaw ( yaw );
orientation.pitch ( pitch );
orientation.roll ( roll );
}