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Short: A Multitasking realtime "Raytracing" Demo with source
This demo simulates "Raytracing" by reflection mapping an image onto
a ball that bounces around the screen. It is system friendly and multitasks
and features "beaming effects", 3-d stars, and music (from MED) as well.
To gain speed on slower machines, I have rewritten the main loop in
ASM rather than leave it in C and I am double buffering the sprites (this
doesn't gain any speed but keeps the sprites from getting "fingers" on
the relection when the machine is running other software and slowing down).
The demo runs extremely well on any accelerated Amiga but only at about
15-20 fps on a 68000 Amiga (this is due mainly to my extensive use of
system routines to be system friendly). It still multitasks fine on my
A 500 though. Anyhow, to exit press a key while the demo window is
selected (yes, I use intuition windows and Screens in my demo and use
an IDCMP port for input -- imagine that EuroCoders). For eurocoders and
other hackers, this is a good example of "CLEAN" demo writing code including
the system friendly way to do copperlists, blitter accesses, attached
sprites, and more... Anyhow, good example in C and ASM.
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Jeez!!! It never fails, get in the tub and there's a rub at the lamp!
-- The Genie from Aladdin.
pochanay@cae.wisc.edu eddie (Adisak) Pochanayon
Check out all of SilverFox SoftWare's Releases.... your Amiga entertainment.
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Contents of demo/euro/BallMap.lha
PERMSSN UID GID PACKED SIZE RATIO CRC STAMP NAME
---------- ----------- ------- ------- ------ ---------- ------------ -------------
[generic] 6534 11609 56.3% -lh5- 4fd7 Mar 23 1993 fox_gfx.br
[generic] 224 468 47.9% -lh5- 3326 Mar 28 1993 lmkfile
[generic] 3229 5140 62.8% -lh5- 6caa Mar 28 1993 med_modplayer.o
[generic] 225 228 98.7% -lh5- 330b Mar 28 1993 med_reloc.o
[generic] 19431 48460 40.1% -lh5- 4896 Mar 28 1993 mod.o
[generic] 3229 5140 62.8% -lh5- 6caa Mar 28 1993 modplayer.o
[generic] 6583 18089 36.4% -lh5- 4d38 Mar 29 1993 MStars.asm
[generic] 2062 2656 77.6% -lh5- ccc8 Mar 29 1993 MStars.o
[generic] 39260 40932 95.9% -lh5- c272 Mar 29 1993 rrt
[generic] 3907 11545 33.8% -lh5- 37de Mar 29 1993 RRT.c
[generic] 703 2112 33.3% -lh5- ed6b Mar 28 1993 rrt.h
[generic] 339 1778 19.1% -lh5- e1e4 Mar 24 1993 RRT.info
[generic] 2540 12778 19.9% -lh5- 1da0 Mar 29 1993 RRTasm.asm
[generic] 161 402 40.0% -lh5- 5dcd Mar 28 1993 RRTasminc.asm
---------- ----------- ------- ------- ------ ---------- ------------ -------------
Total 14 files 88427 161337 54.8% Mar 29 1993
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