void draw_stars()
{
int i;
int intensity=31;
g3s_point p;
for (i=0;i<MAX_STARS;i++) {
if ((i&63) == 0) {
gr_setcolor(BM_XRGB(intensity,intensity,intensity));
intensity-=3;
}
//g3_rotate_point(&p,&stars[i]);
g3_rotate_delta_vec(&p.p3_vec,&stars[i]);
g3_code_point(&p);
if (p.p3_codes == 0) {
p.p3_flags &= ~PF_PROJECTED;
g3_project_point(&p);
#ifndef OGL
gr_pixel(f2i(p.p3_sx),f2i(p.p3_sy));
#else
g3_draw_sphere(&p,F1_0*3);
#endif
}
}
//@@ {
//@@ vms_vector delta;
//@@ g3s_point top_pnt;
//@@
//@@ g3_rotate_point(&p,&satellite_pos);
//@@ g3_rotate_delta_vec(&delta,&satellite_upvec);
//@@
//@@ g3_add_delta_vec(&top_pnt,&p,&delta);
//@@
//@@ if (! (p.p3_codes & CC_BEHIND)) {
//@@ int save_im = Interpolation_method;
//@@ Interpolation_method = 0;
//@@ //p.p3_flags &= ~PF_PROJECTED;
//@@ g3_project_point(&p);
//@@ if (! (p.p3_flags & PF_OVERFLOW))
//@@ //gr_bitmapm(f2i(p.p3_sx)-32,f2i(p.p3_sy)-32,satellite_bitmap);
//@@ g3_draw_rod_tmap(satellite_bitmap,&p,SATELLITE_WIDTH,&top_pnt,SATELLITE_WIDTH,f1_0);
//@@ Interpolation_method = save_im;
//@@ }
//@@ }
}
void circle_in_bitmap( grs_bitmap * bmp )
{
int i, x, y;
for ( i=0; i < 10; i++ ) {
for ( y=0; y<200; y++ ) {
for ( x=0; x<319; x++ ) {
gr_setcolor(getpixel1(bmp,x,y));
gr_pixel( x, y );
}
}
myx += 2;
getch();
}
}
//for looking for segment under a mouse click
void check_segment(segment *seg)
{
short *svp;
int nv;
g3s_codes cc;
med_get_vertex_list(seg,&nv,&svp); // set nv = number of vertices, svp = pointer to vertex indices
cc=rotate_list(nv,svp);
if (! cc.and) { //all off screen?
int fn;
gr_setcolor(0);
gr_pixel(Search_x,Search_y); //set our search pixel to color zero
gr_setcolor(1); //and render in color one
for (fn=0;fn<6;fn++) {
g3s_point *vert_list[4];
vert_list[0] = &Segment_points[seg->verts[Side_to_verts[fn][0]]];
vert_list[1] = &Segment_points[seg->verts[Side_to_verts[fn][1]]];
vert_list[2] = &Segment_points[seg->verts[Side_to_verts[fn][2]]];
g3_check_and_draw_poly(3,vert_list,NULL,NULL);
vert_list[1] = &Segment_points[seg->verts[Side_to_verts[fn][2]]];
vert_list[2] = &Segment_points[seg->verts[Side_to_verts[fn][3]]];
g3_check_and_draw_poly(3,vert_list,NULL,NULL);
}
if (gr_ugpixel(&grd_curcanv->cv_bitmap,Search_x,Search_y) == 1)
{
if (N_found_segs < MAX_FOUND_SEGS)
Found_segs[N_found_segs++] = SEG_PTR_2_NUM(seg);
else
Warning("Found too many segs! (limit=%d)",MAX_FOUND_SEGS);
}
}
}
int gr_circle(fix xc1,fix yc1,fix r1)
{
int p,x, y, xc, yc, r;
r = f2i(r1);
xc = f2i(xc1);
yc = f2i(yc1);
p=3-(r*2);
x=0;
y=r;
// Big clip
if ( (xc+r) < 0 ) return 1;
if ( (xc-r) > GWIDTH ) return 1;
if ( (yc+r) < 0 ) return 1;
if ( (yc-r) > GHEIGHT ) return 1;
while(x<y)
{
// Draw the first octant
gr_pixel( xc-y, yc-x );
gr_pixel( xc+y, yc-x );
gr_pixel( xc-y, yc+x );
gr_pixel( xc+y, yc+x );
if (p<0)
p=p+(x<<2)+6;
else {
// Draw the second octant
gr_pixel( xc-x, yc-y );
gr_pixel( xc+x, yc-y );
gr_pixel( xc-x, yc+y );
gr_pixel( xc+x, yc+y );
p=p+((x-y)<<2)+10;
y--;
}
x++;
}
if(x==y) {
gr_pixel( xc-x, yc-y );
gr_pixel( xc+x, yc-y );
gr_pixel( xc-x, yc+y );
gr_pixel( xc+x, yc+y );
}
return 0;
}
