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/*
* BB: The portable demo
*
* (C) 1997 by AA-group (e-mail: aa@horac.ta.jcu.cz)
*
* 3rd August 1997
* version: 1.2 [final3]
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public Licences as by published
* by the Free Software Foundation; either version 2; or (at your option)
* any later version
*
* This program is distributed in the hope that it will entertaining,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILTY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General
* Publis License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.
* 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#include <math.h>
#include <aalib.h>
#include "bb.h"
#include "tex.h"
#define IN(v2,v1) ((((double)v1)*mul1+((double)v2)*mul2))
int salpha, sbeta, sgamma, scenterx, scentery, scenterz;
float szoom;
int ealpha, ebeta, egamma, ecenterx, ecentery, ecenterz;
float ezoom;
float poww = 1;
static void draw3d(void)
{
int time = TIME;
double mul1, mul2, div = (double) (endtime - starttime);
if (time < starttime - 1)
time = starttime + 1;
if (time > endtime)
time = endtime;
mul1 = pow((double) (time - starttime) / div, poww), mul2 = 1 - mul1;
if (mul2 < 0)
mul1 = 1, mul2 = 0;
if (mul1 < 0)
mul2 = 1, mul1 = 0;
alfa = ((int) IN(salpha, ealpha)) % 360;
beta = ((int) IN(sbeta, ebeta)) % 360;
gama = ((int) IN(sgamma, egamma)) % 360;
centerx = IN(scenterx, ecenterx);
centery = IN(scentery, ecentery);
centerz = IN(scenterz, ecenterz);
zoom = IN(szoom, ezoom);
disp3d();
aa_render(context, params, 0, 0, aa_scrwidth(context), aa_scrheight(context));
aa_flush(context);
}
static void do3d(int time)
{
timestuff(0, NULL, draw3d, time);
ealpha %= 360;
ebeta %= 360;
egamma %= 360;
salpha = ealpha;
sbeta = ebeta;
sgamma = egamma;
szoom = ezoom;
scenterx = ecenterx;
scentery = ecentery;
scenterz = ecenterz;
}
void scene10()
{
salpha = sbeta = sgamma = scenterx = scentery = scenterz;
szoom = 0;
ealpha = ebeta = egamma = ecenterx = ecentery = ecenterz = 0;
ezoom = 0;
poww = 1;
drawptr = NULL;
patnikconstructor();
params->gamma = 1;
centery = -40;
strobikstart();
zoom = 3;
alfa = 90;
beta = 0;
gama = 180;
disp3d();
aa_render(context, params, 0, 0, aa_scrwidth(context), aa_scrheight(context));
strobikend();
bbwait(500000);
strobikstart();
alfa = 0;
disp3d();
aa_render(context, params, 0, 0, aa_scrwidth(context), aa_scrheight(context));
strobikend();
bbwait(500000);
strobikstart();
alfa = 180;
disp3d();
aa_render(context, params, 0, 0, aa_scrwidth(context), aa_scrheight(context));
strobikend();
bbwait(500000);
strobikstart();
alfa = 270;
disp3d();
aa_render(context, params, 0, 0, aa_scrwidth(context), aa_scrheight(context));
strobikend();
salpha = 270;
sbeta = 0;
sgamma = 180;
szoom = 3;
scentery = -40;
ealpha = 360 + 90;
ebeta = 0;
egamma = 180;
ezoom = 3;
ecentery = -40;
do3d(4 * 1000000);
poww = 3;
ezoom = 2;
ebeta = 90;
ecenterz = 60;
ecentery = 50;
do3d(3 * 1000000);
poww = 0.4;
ebeta = 60;
do3d(0.5 * 1000000);
poww = 5;
ebeta = 90;
do3d(0.5 * 1000000);
poww = 2;
ecenterz = 0;
ecenterx = 60;
ebeta = 0;
egamma = 180 * 5;
ezoom = 0.1;
do3d(11.5 * 1000000);
params->gamma = 1;
}
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