openlase/examples/simple.c
2011-01-17 18:01:13 +01:00

115 lines
2.7 KiB
C

/*
OpenLase - a realtime laser graphics toolkit
Copyright (C) 2009-2011 Hector Martin "marcan" <hector@marcansoft.com>
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 2 or version 3.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include "libol.h"
#include <stdio.h>
#include <errno.h>
#include <unistd.h>
#include <string.h>
#include <stdlib.h>
#include <jack/jack.h>
#include <math.h>
/*
Simple demonstration, shows two cubes in perspective 3D.
*/
int main (int argc, char *argv[])
{
OLRenderParams params;
memset(&params, 0, sizeof params);
params.rate = 48000;
params.on_speed = 2.0/100.0;
params.off_speed = 2.0/20.0;
params.start_wait = 8;
params.start_dwell = 3;
params.curve_dwell = 0;
params.corner_dwell = 8;
params.curve_angle = cosf(30.0*(M_PI/180.0)); // 30 deg
params.end_dwell = 3;
params.end_wait = 7;
params.snap = 1/100000.0;
params.render_flags = RENDER_GRAYSCALE;
if(olInit(3, 30000) < 0)
return 1;
olSetRenderParams(&params);
float time = 0;
float ftime;
int i,j;
int frames = 0;
while(1) {
olLoadIdentity3();
olLoadIdentity();
olPerspective(60, 1, 1, 100);
olTranslate3(0, 0, -3);
for(i=0; i<2; i++) {
olScale3(0.6, 0.6, 0.6);
olRotate3Z(time * M_PI * 0.1);
olRotate3Y(time * M_PI * 0.8);
olRotate3X(time * M_PI * 0.73);
olBegin(OL_LINESTRIP);
olVertex3(-1, -1, -1, C_WHITE);
olVertex3( 1, -1, -1, C_WHITE);
olVertex3( 1, 1, -1, C_WHITE);
olVertex3(-1, 1, -1, C_WHITE);
olVertex3(-1, -1, -1, C_WHITE);
olVertex3(-1, -1, 1, C_WHITE);
olEnd();
olBegin(OL_LINESTRIP);
olVertex3( 1, 1, 1, C_WHITE);
olVertex3(-1, 1, 1, C_WHITE);
olVertex3(-1, -1, 1, C_WHITE);
olVertex3( 1, -1, 1, C_WHITE);
olVertex3( 1, 1, 1, C_WHITE);
olVertex3( 1, 1, -1, C_WHITE);
olEnd();
olBegin(OL_LINESTRIP);
olVertex3( 1, -1, -1, C_WHITE);
olVertex3( 1, -1, 1, C_WHITE);
olEnd();
olBegin(OL_LINESTRIP);
olVertex3(-1, 1, 1, C_WHITE);
olVertex3(-1, 1, -1, C_WHITE);
olEnd();
}
ftime = olRenderFrame(60);
frames++;
time += ftime;
printf("Frame time: %f, FPS:%f\n", ftime, frames/time);
}
olShutdown();
exit (0);
}