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Started by shvalb Jan 19, 2005 at 3:09 PM 0 replies 250+ views

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Jan 19, 2005 at 3:09 PM

if I need to add background by loading a jpg or anything else, do I have to render it to the screen for every frame, or is there a way to just load it and make it appear till the end of the rendering? what is the technique to add background, are there special direct-x functions for that, if someone could point me to a tutorial... Thanks.

turnpast

Jan 19, 2005 at 4:20 PM

There are a number of ways to add a fixed background, but yes you will have to render it (at least in part) every frame.

Method 1: Use the Sprite/ID3DXSprite interface to draw a texture the size of your viewport.

Method 2: Create a screen sized quad with transformed verts and render it with the background texture.

In both cases you will probably want to turn off the ZBuffer before you render it or make sure that it is rendered at the maximum depth.

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