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tthsqe



Joined: 20 May 2009
Posts: 730
tthsqe
I was trying to make a game and would like to get some opinions before the game gets too complicated. Here are my questions:

1. How can we play sounds nicely? What I took from some other project on this board creates a little blip in the game play.

2. How can I keep the cpu usage down while still maintaining smooth gameplay?


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Post 24 Aug 2013, 12:23
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HaHaAnonymous



Joined: 02 Dec 2012
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HaHaAnonymous
[ Post removed by author. ]


Last edited by HaHaAnonymous on 28 Feb 2015, 20:05; edited 1 time in total
Post 24 Aug 2013, 17:54
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tthsqe



Joined: 20 May 2009
Posts: 730
tthsqe
I have a couple of responses to that.
My message loop looks something like (let f = desired frame rate):
Code:
1: peek message
2: process message
3: if time since last draw is less then 1/f, then goto 1.
4. render scene, and goto 1.    

Here, between frames the path 1,2,3,1,2,3,1,2,3, ect is beeing executed, thus eating up the cpu.
If I rely on vsync, I would have to know how to enable it, and then, rather sadly, I could not change the frame rate because then it would be fixed to something like 60.
Post 24 Aug 2013, 18:34
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edfed



Joined: 20 Feb 2006
Posts: 4242
Location: 2018
edfed
can you make the global angle of view change?
Post 24 Aug 2013, 21:01
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tthsqe



Joined: 20 May 2009
Posts: 730
tthsqe
Quote:
can you make the global angle of view change?

There are lots of fancy things one could do, but I am more interested how to handle three treads:

Thread #1: handles physics at a constant refresh rate (120 fps)
Thread #2: draws the objects at the refresh rate of the hardware (60 fps)
Thread #3: handles a fluid simulation like in many popular games of this type, also at a constant refresh rate

I guess Thread #2 can be limited by gpu driver, but I using the windows function Sleep does not give enough granularity for Thread #1 or 3.
Post 24 Aug 2013, 21:15
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