void init ()
{
glHint(GL_LINE_SMOOTH_HINT, GL_NICEST);
glHint(GL_POLYGON_SMOOTH_HINT, GL_NICEST);
srand ( time ( 0x0 ) );
glClearColor( 0.49, 0.49, 0.49, 1.0 );
glShadeModel( GL_SMOOTH );
glEnable ( GL_COLOR_MATERIAL );
glEnable (GL_DEPTH_TEST);
glEnable (GL_BLEND);
glBlendFunc (GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
glDepthMask ( 1 );
glEnable ( GL_TEXTURE_2D );
// callbacks
glutDisplayFunc( display );
glutReshapeFunc( reshape );
glutKeyboardFunc( keyboard_func );
glutMouseFunc( mouse_click_func );
glutMotionFunc( mouse_move_func );
glutIdleFunc( idle_func );
glutSetCursor ( GLUT_CURSOR_NONE );
cam_angs.x = 29; cam_angs.y = 75; cam_angs.z = 80.0;
cam_to.x = 0; cam_to.y = 0; cam_to.z = 5;
cam_fov = 35.0;
light[0].x = 39; light[0].y = -60; light[0].z = 43;
light_to[0].x = 0; light_to[0].y = 0; light_to[0].z = 0;
light[1].x = 15; light[1].y = -5; light[1].z = 145;
light_to[1].x = 0; light_to[1].y = 0; light_to[1].z = 0;
light_fov = 45;
#ifdef USE_SHADOWS
createShadowTextures();
createFrameBuffer ();
setShadowLight ( light[0].x, light[0].y, light[0].z, light_to[0].x, light_to[0].y, light_to[0].z, light_fov );
setShadowLightColor ( .7, .7, .7, 0.2, 0.2, 0.2 );
#endif
obj_from.x = 0; obj_from.y = 0; obj_from.z = 20; // emitter
obj_angs.x = 118.7; obj_angs.y = 200; obj_angs.z = 1.0;
obj_dang.x = 1; obj_dang.y = 1; obj_dang.z = 0;
psys.Initialize ( BFLUID, psys_nmax );
psys.SPH_CreateExample ( 0, psys_nmax );
psys.SetVec ( EMIT_ANG, Vector3DF ( obj_angs.x, obj_angs.y, obj_angs.z ) );
psys.SetVec ( EMIT_POS, Vector3DF ( obj_from.x, obj_from.y, obj_from.z ) );
psys.SetParam ( PNT_DRAWMODE, int(bPntDraw ? 1:0) );
psys.SetParam ( CLR_MODE, iClrMode );
}
void init ()
{
srand ( time ( 0x0 ) );
obj_from.x = 0; obj_from.y = 0; obj_from.z = 20; // emitter
obj_angs.x = 118.7; obj_angs.y = 200; obj_angs.z = 1.0;
psys.Initialize ( BFLUID, psys_nmax );
psys.SPH_CreateExample ( 0, psys_nmax );
psys.SetVec ( EMIT_ANG, Vector3DF ( obj_angs.x, obj_angs.y, obj_angs.z ) );
psys.SetVec ( EMIT_POS, Vector3DF ( obj_from.x, obj_from.y, obj_from.z ) );
psys.SetParam ( PNT_DRAWMODE, int(bPntDraw ? 1:0) );
psys.SetParam ( CLR_MODE, iClrMode );
}
void mouse_move_func ( int x, int y )
{
int dx = x - last_x;
int dy = y - last_y;
switch ( mode ) {
case MODE_CAM:
if ( dragging == DRAG_LEFT ) {
cam_angs.x += dx;
cam_angs.y += dy;
if ( cam_angs.x >= 360.0 ) cam_angs.x -= 360.0;
if ( cam_angs.x < 0 ) cam_angs.x += 360.0;
if ( cam_angs.y >= 180.0 ) cam_angs.y = 180.0;
if ( cam_angs.y <= -180.0 ) cam_angs.y = -180.0;
printf ( "Cam Ang: %f %f %f\n", cam_angs.x, cam_angs.y, cam_angs.z );
printf ( "Cam To: %f %f %f\n", cam_to.x, cam_to.y, cam_to.z );
printf ( "Cam FOV: %f\n", cam_fov);
} else if ( dragging == DRAG_RIGHT ) {
cam_angs.z += dy*.15;
if ( cam_angs.z < 0) cam_angs.z = 0;
printf ( "Cam Ang: %f %f %f\n", cam_angs.x, cam_angs.y, cam_angs.z );
printf ( "Cam To: %f %f %f\n", cam_to.x, cam_to.y, cam_to.z );
printf ( "Cam FOV: %f\n", cam_fov );
}
break;
case MODE_CAM_TO:
if ( dragging == DRAG_LEFT ) {
cam_to.x += dx;
cam_to.y += dy;
} else if ( dragging == DRAG_RIGHT ) {
cam_to.z += dy*.05;
if ( cam_to.z < 0) cam_to.z = 0;
}
break;
case MODE_OBJ:
if ( dragging == DRAG_LEFT ) {
obj_angs.x -= dx*0.1;
obj_angs.y += dy*0.1;
printf ( "Obj Angs: %f %f %f\n", obj_angs.x, obj_angs.y, obj_angs.z );
//force_x += dx*.1;
//force_y += dy*.1;
} else if (dragging == DRAG_RIGHT) {
obj_angs.z -= dy*.005;
printf ( "Obj Angs: %f %f %f\n", obj_angs.x, obj_angs.y, obj_angs.z );
}
psys.SetVec ( EMIT_ANG, Vector3DF ( obj_angs.x, obj_angs.y, obj_angs.z ) );
break;
case MODE_OBJPOS:
if ( dragging == DRAG_LEFT ) {
obj_from.x -= dx*.1;
obj_from.y += dy*.1;
printf ( "Obj: %f %f %f\n", obj_from.x, obj_from.y, obj_from.z );
} else if (dragging == DRAG_RIGHT) {
obj_from.z -= dy*.1;
printf ( "Obj: %f %f %f\n", obj_from.x, obj_from.y, obj_from.z );
}
psys.SetVec ( EMIT_POS, Vector3DF ( obj_from.x, obj_from.y, obj_from.z ) );
//psys.setPos ( obj_x, obj_y, obj_z, obj_ang, obj_tilt, obj_dist );
break;
case MODE_LIGHTPOS:
if ( dragging == DRAG_LEFT ) {
light[0].x -= dx*.1;
light[0].y += dy*.1;
printf ( "Light: %f %f %f\n", light[0].x, light[0].y, light[0].z );
} else if (dragging == DRAG_RIGHT) {
light[0].z -= dy*.1;
printf ( "Light: %f %f %f\n", light[0].x, light[0].y, light[0].z );
}
#ifdef USE_SHADOWS
setShadowLight ( light[0].x, light[0].y, light[0].z, light_to[0].x, light_to[0].y, light_to[0].z, light_fov );
#endif
break;
}
if ( x < 10 || y < 10 || x > 1000 || y > 700 ) {
glutWarpPointer ( 1024/2, 768/2 );
last_x = 1024/2;
last_y = 768/2;
} else {
last_x = x;
last_y = y;
}
}
void keyboard_func ( unsigned char key, int x, int y )
{
switch( key ) {
case 'M': case 'm': {
psys_nmax *= 2;
if ( psys_nmax > 65535 ) psys_nmax = 65535;
psys.SPH_CreateExample ( psys_demo, psys_nmax );
} break;
case 'N': case 'n': {
psys_nmax /= 2;
if ( psys_nmax < 64 ) psys_nmax = 64;
psys.SPH_CreateExample ( psys_demo, psys_nmax );
} break;
case '0':
UpdateEmit ();
psys_freq++;
psys.SetVec ( EMIT_RATE, Vector3DF(psys_freq, psys_rate, 0) );
break;
case '9':
UpdateEmit ();
psys_freq--; if ( psys_freq < 0 ) psys_freq = 0;
psys.SetVec ( EMIT_RATE, Vector3DF(psys_freq, psys_rate, 0) );
break;
case '.': case '>':
UpdateEmit ();
if ( ++psys_rate > 100 ) psys_rate = 100;
psys.SetVec ( EMIT_RATE, Vector3DF(psys_freq, psys_rate, 0) );
break;
case ',': case '<':
UpdateEmit ();
if ( --psys_rate < 0 ) psys_rate = 0;
psys.SetVec ( EMIT_RATE, Vector3DF(psys_freq, psys_rate, 0) );
break;
case 'g': case 'G': psys.Toggle ( USE_CUDA ); break;
case 'f': case 'F': mode = MODE_DOF; break;
case 'z': case 'Z': mode = MODE_CAM_TO; break;
case 'c': case 'C': mode = MODE_CAM; break;
case 'h': case 'H': bHelp = !bHelp; break;
case 'i': case 'I':
UpdateEmit ();
mode = MODE_OBJPOS;
break;
case 'o': case 'O':
UpdateEmit ();
mode = MODE_OBJ;
break;
case 'x': case 'X':
if ( ++iClrMode > 2) iClrMode = 0;
psys.SetParam ( CLR_MODE, iClrMode );
break;
case 'l': case 'L': mode = MODE_LIGHTPOS; break;
case 'd': case 'D': {
int d = psys.GetParam ( PNT_DRAWMODE ) + 1;
if ( d > 2 ) d = 0;
psys.SetParam ( PNT_DRAWMODE, d );
} break;
case 's': case 'S': if ( ++iShade > 2 ) iShade = 0; break;
case 27: exit( 0 ); break;
case '`':
bRec = !bRec; break;
case ' ':
//psys.Run (); ptris.Rebuild (); break;
bPause = !bPause; break;
case '\'': case ';': psys.SPH_CreateExample ( psys_demo, psys_nmax ); break;
case 'r': case 'R': psys.SPH_CreateExample ( psys_demo, psys_nmax ); break;
case '[':
psys_demo--;
if (psys_demo < 0 ) psys_demo = 10;
psys.SPH_CreateExample ( psys_demo, psys_nmax );
UpdateEmit ();
break;
case ']':
psys_demo++;
if (psys_demo > 10 ) psys_demo = 0;
psys.SPH_CreateExample ( psys_demo, psys_nmax );
UpdateEmit ();
break;
default:
break;
}
}