void CCamera::Update()
{
// Initialize a variable for the cross product result
CVector3 vCross = Cross(m_vView - m_vPosition, m_vUpVector);
// Normalize the strafe vector
m_vStrafe = Normalize(vCross);
// Move the camera's view by the mouse
SetViewByMouse();
// This checks to see if the keyboard was pressed
CheckForMovement();
/////// * /////////// * /////////// * NEW * /////// * /////////// * /////////// *
// We stick this function in our camera source file so that we can move
// time base movement and camera functionality together between tutorials
// relatively easily.
// We calculate our frame rate and set our frame interval for time based movement
CalculateFrameRate();
/////// * /////////// * /////////// * NEW * /////// * /////////// * /////////// *
}
void Camera::Update()
{
vec3 vCross = cross(viewVector - position, upVector);
strVector = normalize(vCross);
//position.y -= currentSpeed;
//viewVector.y -= currentSpeed;
//if(currentSpeed == 0.0)
// currentSpeed = 0.005;
//currentSpeed += 0.01*currentSpeed;
previousViewMatrix = viewMatrix;
previousDirection = direction;
previousPosition = position;
SetViewByMouse();
CheckForMovement();
viewMatrix = glm::lookAt(viewVector, position, upVector);
inverseMatrix = inverse(projectionMatrix * viewMatrix);
direction = viewVector - position;
}
void MainLoop(void)
{
bool done = false; // is our job done ? not yet !
SDL_Event event;
while(! done) // as long as our job's not done
{
while( SDL_PollEvent(& event) ) // look for events (like keystrokes, resizing etc.)
{
switch ( event.type ) // what kind of event have we got ?
{
case SDL_QUIT : // if user wishes to quit
done = true; // this implies our job is done
break;
case SDL_KEYDOWN : // if the user has pressed a key
HandleKeyPressEvent( & event. key.keysym ); // callback for handling keystrokes, arg is key pressed
break;
case SDL_KEYUP :
HandleKeyReleaseEvent(& event.key.keysym) ; // callback for handling keystrokes, arg is key released
break;
case SDL_VIDEORESIZE : // if there is a resize event
// request SDL to resize the window to the size and depth etc. that we specify
MainWindow = SDL_SetVideoMode( event.resize.w, event.resize.h, SCREEN_DEPTH, VideoFlags );
SizeOpenGLScreen(event.resize.w, event.resize.h); // now resize the OpenGL viewport
if(MainWindow == NULL) // if window resize has failed
{
cerr << " Failed resizing SDL window : " << SDL_GetError() << endl; // report error
Quit(0);
}
break;
default: // any other event
break; // nothing to do
} // switch
} // while( SDL_ ...
//////////// *** NEW *** ////////// *** NEW *** ///////////// *** NEW *** ////////////////////
// Here we check for mouse and key movements every frame
g_Camera.SetViewByMouse(); // Move the camera by the mouse
CheckForMovement(); // Check if we pressed a key
RenderScene(); // Update the screen
//////////// *** NEW *** ////////// *** NEW *** ///////////// *** NEW *** ////////////////////
} // while( ! done)
}
void CCamera::Update()
{
// Initialize a variable for the cross product result
CVector3 vCross = Cross(m_vView - m_vPosition, m_vUpVector);
// Normalize the strafe vector
m_vStrafe = Normalize(vCross);
// Move the camera's view by the mouse
SetViewByMouse();
// This checks to see if the keyboard was pressed
CheckForMovement();
// Calculate our frame rate and set our frame interval for time based movement
CalculateFrameRate();
}
