kolibrios-gitea/programs/demos/view3ds/readme.txt
Kirill Lipatov (Leency) 73122f1cb1 view3ds 0073 by macgub
git-svn-id: svn://kolibrios.org@8719 a494cfbc-eb01-0410-851d-a64ba20cac60
2021-05-12 00:26:00 +00:00

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View3ds 0.073 - tiny viewer to .3ds and .asc files with several graphics
effects implementation.
What's new?
1. I introduced procedure for searching nonredundand edges.
2. Writing some info about object: vertices, triangles unique edges
count.
1. New displaying model - texturing with bilinear filtering and transparency
simultanusly. Note that filtering is done only inside polygon. To better
quality of image there is a need to use floats coordinates of texture to pass
as arguments to single triangle rendering proc.
2. Optimizations.
3. SSE3 version runs correct on SSE2 cpus, but real phong, glass and
transparented texturing with filtering rendering models are disabled.
Buttons description:
1. rotary: choosing rotary axle: x, y, x+y.
2. shd. model: choosing shading model: flat, grd (smooth), env (spherical
environment mapping, bump (bump mapping), tex (texture mapping),
pos (position shading depend), dots (app draws only points - nodes of object),
txgrd (texture mapping + smooth shading), 2tex (texture mapping + spherical
environment mapping), bmap (bump + texture mapping), cenv (cubic environment
mapping), grdl (Gouraud lines - edges only), rphg (real Phong), glas (glass effect),
ptex (real Phong + texturing + transparency).
3. speed: idle, full.
4,5. zoom in, out: no comment.
6. catmull: disabled
7. culling: backface culling on/ off.
8. rand. light: Randomize 3 unlinear lights( so called Phong's illumination).
9. Blur: blur N times; N=0,1,2,3,4,5
10.11,12,13. loseless operations (rotary 90, 180 degrees).
12. emboss: Do emboss effect( flat bumps ), use 'bumps deep' button to do edges
more deep.
13. fire: do motion blur ( looks like fire ).
14. move: changes meaning x,y,z +/- buttons -> obj: moving object, camr: moving
camera, wave: x,y +/- increase, decrease wave effect frequency and amplitude.
15. generate: Generates some objects: node, Thorn Crown, heart...
16. bumps: random, according to texture.
17. bumps deep -> create bumps deeper or lighter.
18. re-map tex -> re-map texture and bump map coordinates, to change spherical
mapping around axle use 'xchg' and 'mirror' buttons, then press 're-map tex' button.
19. bright + -> increase picture brightness.
20. bright - -> decrease picture brightness.
21. wav effect -> do effect based sine function.
22. editor -> setting editing option. If is "on" then red bars are draw according to each
vertex, Pressing and moving left mouse button (cursor must be on handler)- change
vertex position. If left mouse button is released apply current position. You may also
decrease whole handlers count by enable culling (using appropriate button) - some
back handlers become hidden.
Maciej Guba V 2021