Mirrors/overte
3
0
Fork 0
mirror of https://github.com/overte-org/overte.git synced 2025-04-21 09:44:21 +02:00
Code Issues Projects Releases Packages Wiki Activity Actions 2

adjusted the ordering of porcessed in camera update method

Browse source
This commit is contained in:
Jeffrey Ventrella 2013-04-16 18:27:19 -07:00
parent dcd6aafb77
commit f766843b7a
1 changed files with 22 additions and 9 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

31
interface/src/Camera.cpp
View file

@ -9,8 +9,7 @@
#include "Camera.h"
Camera::Camera()
{
Camera::Camera() {
_mode = CAMERA_MODE_THIRD_PERSON;
_tightness = DEFAULT_CAMERA_TIGHTNESS;
_fieldOfView = 60.0; // default
@ -28,26 +27,40 @@ Camera::Camera()
_orientation.setToIdentity();
}
void Camera::update( float deltaTime )
void Camera::update( float deltaTime )
{
//----------------------------------------
// derive t from tightness
//----------------------------------------
float t = _tightness * deltaTime;
if ( t > 1.0 ){
t = 1.0;
}
//----------------------------------------
// update _yaw (before position!)
//----------------------------------------
_yaw += ( _idealYaw - _yaw ) * t;
float radian = ( _yaw / 180.0 ) * PIE;
//----------------------------------------
// update _position
//----------------------------------------
//these need to be checked to make sure they correspond to the coordinate system.
double x = _distance * -sin( radian );
double z = _distance * cos( radian );
double y = _up;
_idealPosition = _targetPosition + glm::vec3( x, y, z );
float t = _tightness * deltaTime;
if ( t > 1.0 ){
t = 1.0;
}
_position += ( _idealPosition - _position ) * t;
_yaw += ( _idealYaw - _yaw ) * t;
//------------------------------------------------------------------------------
// generate the ortho-normals for the orientation based on the Euler angles
//------------------------------------------------------------------------------
_orientation.setToIdentity();
_orientation.yaw ( _yaw );
_orientation.pitch ( _pitch );