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remove the seams from the skybox

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Bill Currie 2001-01-27 21:50:51 +00:00
parent 684eeee134
commit 9754c56836
1 changed files with 14 additions and 12 deletions
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26
source/gl_sky_clip.c
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@ -46,6 +46,8 @@
extern qboolean skyloaded;
extern vec5_t skyvec[6][4];
#define BOX_WIDTH 2056
/* cube face to sky texture offset conversion */
static const int skytex_offs[] = { 3, 0, 4, 1, 2, 5 };
@ -227,28 +229,28 @@ set_vertex (struct box_def *box, int face, int ind, vec3_t v)
VectorAdd (v, r_refdef.vieworg, box->face[face].poly.verts[ind]);
switch (face) {
case 0:
box->face[face].poly.verts[ind][3] = (1024 - v[1]) / 2048;
box->face[face].poly.verts[ind][4] = (1024 - v[2]) / 2048;
box->face[face].poly.verts[ind][3] = (1024 - v[1] + 4) / BOX_WIDTH;
box->face[face].poly.verts[ind][4] = (1024 - v[2] + 4) / BOX_WIDTH;
break;
case 1:
box->face[face].poly.verts[ind][3] = (1024 + v[0]) / 2048;
box->face[face].poly.verts[ind][4] = (1024 - v[2]) / 2048;
box->face[face].poly.verts[ind][3] = (1024 + v[0] + 4) / BOX_WIDTH;
box->face[face].poly.verts[ind][4] = (1024 - v[2] + 4) / BOX_WIDTH;
break;
case 2:
box->face[face].poly.verts[ind][3] = (1024 + v[0]) / 2048;
box->face[face].poly.verts[ind][4] = (1024 + v[1]) / 2048;
box->face[face].poly.verts[ind][3] = (1024 + v[0] + 4) / BOX_WIDTH;
box->face[face].poly.verts[ind][4] = (1024 + v[1] + 4) / BOX_WIDTH;
break;
case 3:
box->face[face].poly.verts[ind][3] = (1024 + v[1]) / 2048;
box->face[face].poly.verts[ind][4] = (1024 - v[2]) / 2048;
box->face[face].poly.verts[ind][3] = (1024 + v[1] + 4) / BOX_WIDTH;
box->face[face].poly.verts[ind][4] = (1024 - v[2] + 4) / BOX_WIDTH;
break;
case 4:
box->face[face].poly.verts[ind][3] = (1024 - v[0]) / 2048;
box->face[face].poly.verts[ind][4] = (1024 - v[2]) / 2048;
box->face[face].poly.verts[ind][3] = (1024 - v[0] + 4) / BOX_WIDTH;
box->face[face].poly.verts[ind][4] = (1024 - v[2] + 4) / BOX_WIDTH;
break;
case 5:
box->face[face].poly.verts[ind][3] = (1024 + v[0]) / 2048;
box->face[face].poly.verts[ind][4] = (1024 - v[1]) / 2048;
box->face[face].poly.verts[ind][3] = (1024 + v[0] + 4) / BOX_WIDTH;
box->face[face].poly.verts[ind][4] = (1024 - v[1] + 4) / BOX_WIDTH;
break;
}
}