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libzoom: Compute default normals

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neoraider 2007-05-14 19:11:02 +00:00
parent a5aa4b54e2
commit a4339f0570
1 changed files with 9 additions and 1 deletions
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10
level.c
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@ -270,11 +270,19 @@ LEVEL *LoadLevel(char *filename) {
} }
} }
} }
v = VectorCross( v = VectorCross(
VectorSub(level->rooms[i].walls[j].vertices[1], level->rooms[i].walls[j].vertices[0]), VectorSub(level->rooms[i].walls[j].vertices[1], level->rooms[i].walls[j].vertices[0]),
VectorSub(level->rooms[i].walls[j].vertices[2], level->rooms[i].walls[j].vertices[0]) VectorSub(level->rooms[i].walls[j].vertices[2], level->rooms[i].walls[j].vertices[0])
); );
if(VectorLengthSq(v)) level->rooms[i].walls[j].normal = VectorNormalize(v); if(VectorLengthSq(v) > 0.0) {
level->rooms[i].walls[j].normal = VectorNormalize(v);
for(k = 0; k < 3; k++) {
if(VectorLengthSq(level->rooms[i].walls[j].normals[k]) == 0.0)
level->rooms[i].walls[j].normals[k] = level->rooms[i].walls[j].normal;
}
}
j++; j++;
} }