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Code Snippets / Strafing your camera, left and right

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Xenocythe
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Joined: 26th May 2005
Location: You Essay.
Posted: 6th Sep 2006 03:48 Edited at: 8th Sep 2006 22:32
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'Cam' is the camera number.
'LR#' stands for 'left or right'. To move left, specify a negative number. To move right, specify a positive number. The lower the negative number, the more you move left. The higher the positive number, the more you go right.

Hope you understand!


Updated to use arrays! Thanks!




-Xeno


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Mr Kohlenstoff
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Posted: 6th Sep 2006 18:18
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Looks usefull... but maybe you should make an array for sin and cos and use the array-values, i think it would increase the speed of it.
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Zotoaster
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Posted: 6th Sep 2006 20:52 Edited at: 6th Sep 2006 20:53
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Why would that happen? You would have to fill the array, then use the array in place of the sin/cos values, where this way you can just do it straight.

[edit]
Cool function btw

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Mr Kohlenstoff
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Posted: 7th Sep 2006 18:28
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@ Zotoaster: I think, it's faster, using this array... look at this example:



On my computer, the way using commands comes to ~160 fps, and the array-method to ~500 fps. I think, the commands need more time, because they are also made for Floats, but if you don't need floats, this way is even faster.
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Latch
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Posted: 8th Sep 2006 22:02
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An array should be faster cause it's just a block of allocated memory. The index to the array is a pointer to the area in memory where the value is stored, so pointing directly to that index and retrieving a value is faster than calculating it. If memory isn't a problem, use the array.

Now if you have to search through the whole array one index at a time to find a value, you will slow down.

Enjoy your day.
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Xenocythe
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Posted: 8th Sep 2006 22:30
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Right, thanks for that, thats really clever

Updated code... in a sec


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