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Importing camera animations

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phoenix64

Post subject: Re: Importing camera animations

Posted: 24.03.2010, 20:05

Joined: 15.06.2008, 11:21
Posts: 166
Location: Germany

Just compute speedOffset using the system time of the last frame and the current system time. If you are using glfw, a simple function would be glfwGetTime(), if not, gettimeofday/QueryPerformanceCounter probably is the way to go.

Code:

double lastframetime = glfwGetTime();
while (!stopped)
{
    double time = glfwGetTime();
    speedOffset += (time - lastframetime) * _speed;
    lastframetime = time;
    // Update and render here
}

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Irdis

Post subject: Re: Importing camera animations

Posted: 25.03.2010, 10:47

Joined: 17.11.2009, 17:00
Posts: 205
Location: Russia, Moscow

Thanks for the code, but unfortunately it has the same problem as my code. There is still a noticable jump when frames become 60 from 30 and vice verse. It seems that I somehow have to predict the acceleration (decceleration) of the frames, but how to do that?

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