ViewPort Perspective Matrix

Submitted by saimazoom on Sun, 2011-12-11 11:52

Hi

It is possible to change the perspective matrix transformation of a viewport?. I want to render/represent objects in oblique perspective (ala Ultima-Online, Ultima 7) ?

http://mmohuts.com/wp-content/gallery/ultima-online-overview/ultima-onli...

http://www.abandonia.com/files/games/109/Ultima%207%20-%20The%20Black%20...

I know how to obtain a dimetric/isometric perspective by modifyng the transformation matrix of the viewport, but I cannot find anything about the perspective matrix.

Thanks.

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Bones's picture
Submitted by Bones on Sun, 2011-12-11 17:32.

yes viewport.setTM

yes viewport.setTM (yourMatrix)
/edit: woups I didn't read everything ^^

saimazoom's picture
Submitted by saimazoom on Mon, 2011-12-12 13:44.

I already know that. I've

I already know that. I've used it to obtain an isometric/dimetric perspective . But to obtain an oblique proyection I need to modify the perspective matrix. Suppose I want to have 1:1(90º at screen) X and Y axes, in a dimetric perspective the Z-axis will be hidden at the intersection but in a oblique it will be vertical (like in those RPGMAKER games) or at 45-135º like in the Ultima-online& U7 games.

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