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lightpreview: reduce stuttering when using WASD + mouselook together

This commit is contained in:
Eric Wasylishen 2023-05-21 12:46:53 -06:00
parent b43e1a5b7e
commit 4815e77f1f
2 changed files with 18 additions and 7 deletions
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22
lightpreview/glview.cpp
View File

@ -332,7 +332,7 @@ void GLView::mouseMoveEvent(QMouseEvent *event)
// now rotate m_cameraFwd and m_cameraUp by mouseRotation
m_cameraFwd = mouseRotation * m_cameraFwd;
repaint();
update();
}
static keys_t Qt_Key_To_keys_t(int key)
@ -351,7 +351,8 @@ void GLView::startMovementTimer()
if (m_keymoveUpdateTimer)
return;
m_keymoveUpdateTimer = startTimer(10); // repaint timer, calls timerEvent()
m_lastKeymoveFrame = I_FloatTime();
m_keymoveUpdateTimer = startTimer(1); // repaint timer, calls timerEvent()
}
void GLView::stopMovementTimer()
@ -390,16 +391,23 @@ void GLView::wheelEvent(QWheelEvent *event)
void GLView::timerEvent(QTimerEvent *event)
{
const float speed = 10;
// update frame time
auto current_time = I_FloatTime();
auto duration = current_time - m_lastKeymoveFrame;
m_lastKeymoveFrame = current_time;
// qDebug() << "timer event: duration: " << duration.count();
const float distance = 1000 * duration.count();
if (m_keysPressed & static_cast<uint32_t>(keys_t::up))
m_cameraOrigin += m_cameraFwd * speed;
m_cameraOrigin += m_cameraFwd * distance;
if (m_keysPressed & static_cast<uint32_t>(keys_t::down))
m_cameraOrigin -= m_cameraFwd * speed;
m_cameraOrigin -= m_cameraFwd * distance;
if (m_keysPressed & static_cast<uint32_t>(keys_t::left))
m_cameraOrigin -= cameraRight() * speed;
m_cameraOrigin -= cameraRight() * distance;
if (m_keysPressed & static_cast<uint32_t>(keys_t::right))
m_cameraOrigin += cameraRight() * speed;
m_cameraOrigin += cameraRight() * distance;
update(); // schedule a repaint
}

3
lightpreview/glview.h
View File

@ -31,6 +31,8 @@ See file, 'COPYING', for details.
#include <vector>
#include <common/cmdlib.hh>
enum class keys_t : uint32_t
{
none = 0,
@ -47,6 +49,7 @@ class GLView : public QOpenGLWidget, protected QOpenGLFunctions
private:
uint32_t m_keysPressed;
int m_keymoveUpdateTimer;
time_point m_lastKeymoveFrame;
QPointF m_lastMouseDownPos;
// camera stuff