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Rune wrote:
> Thomas de Groot wrote:
>> There is a nice little thing you can use easily:
>>
>> //before the camera definition:
>> #local H=image_width/sqrt(image_height*image_width);
>> #local V=image_height/sqrt(image_height*image_width);
>> #local Iwidth = 500;
>> #local Iheight = 600;
>>
>> //in the camera definition use:
>> right    x*(Iwidth*M)/(Iheight*M)
>>
> 
>> Ouch!! forgot
>> #local M = 1;
>> in the declaration. Not really essential though, but for completeness
>> sake of this example.
> 
> I don't understand this. You declare H and V using a clever method, but then 
> don't use those variables at all...
> 
> I'd simply say:
> 
> #local W = image_width/sqrt(image_height*image_width);
> #local H = image_height/sqrt(image_height*image_width);
> 
> // in the camera definition use:
> right    x*W
> up y*H // or z*H if Z is up
> 
> Rune
	Why the square root? Why not simply:
up y // or z
right x * image_width / image_height

	Or
up y * image_height
right x * image_width

	The actual length of the vectors doesn't matter since he used angle
afterwards.

		Jerome
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