1
vote
2answers
155 views

How are red dot/reflex/holographic sights implemented?

In first-person-shooters like Call of Duty, the hologram only appears when it is behind the glass portion of the sight. In OpenGL, would it be implemented by rendering the glass to the stencil buffer ...
0
votes
0answers
254 views

Irrlicht - Camera rotation like FPS

I'm constructing a game in OpenGL and initially I started using GLUT for the general purposes. However, later on I bumped over the problem of 3D model import and, after so many time trying to import ...
10
votes
1answer
849 views

How do I create good looking plasma explosion effects?

Is this just a billboard quad with a bloom shader?
11
votes
2answers
472 views

How does Halo draw projectiles?

I am trying to draw projectiles and doing billboarding. A projectile consists of a bill-boarded "particle" and a "tracer". When I billboard a projectile, it cannot be seen when the player's viewing ...