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Fix rendering glitches when far from the center of the map

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This commit is contained in:
Novatux 2014-01-26 11:40:21 +01:00
parent 8e15179e7d
commit 062de11b4c
17 changed files with 112 additions and 35 deletions
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16
src/camera.cpp
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@ -36,6 +36,9 @@ with this program; if not, write to the Free Software Foundation, Inc.,
#include "profiler.h"
#include "util/numeric.h"
#include "util/mathconstants.h"
#include "constants.h"
#define CAMERA_OFFSET_STEP 200
Camera::Camera(scene::ISceneManager* smgr, MapDrawControl& draw_control,
IGameDef *gamedef):
@ -53,6 +56,7 @@ Camera::Camera(scene::ISceneManager* smgr, MapDrawControl& draw_control,
m_camera_position(0,0,0),
m_camera_direction(0,0,0),
m_camera_offset(0,0,0),
m_aspect(1.0),
m_fov_x(1.0),
@ -348,11 +352,19 @@ void Camera::update(LocalPlayer* player, f32 frametime, f32 busytime,
v3f abs_cam_up;
m_headnode->getAbsoluteTransformation().rotateVect(abs_cam_up, rel_cam_up);
// Update offset if too far away from the center of the map
m_camera_offset.X += CAMERA_OFFSET_STEP*
(((s16)(m_camera_position.X/BS) - m_camera_offset.X)/CAMERA_OFFSET_STEP);
m_camera_offset.Y += CAMERA_OFFSET_STEP*
(((s16)(m_camera_position.Y/BS) - m_camera_offset.Y)/CAMERA_OFFSET_STEP);
m_camera_offset.Z += CAMERA_OFFSET_STEP*
(((s16)(m_camera_position.Z/BS) - m_camera_offset.Z)/CAMERA_OFFSET_STEP);
// Set camera node transformation
m_cameranode->setPosition(m_camera_position);
m_cameranode->setPosition(m_camera_position-intToFloat(m_camera_offset, BS));
m_cameranode->setUpVector(abs_cam_up);
// *100.0 helps in large map coordinates
m_cameranode->setTarget(m_camera_position + 100 * m_camera_direction);
m_cameranode->setTarget(m_camera_position-intToFloat(m_camera_offset, BS) + 100 * m_camera_direction);
// Get FOV setting
f32 fov_degrees = g_settings->getFloat("fov");