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Attempt at accuracy improvement for is_in_viewcone with 3D calculation (am44838)

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This commit is contained in:
Scott Ehlert 2006-09-22 15:11:51 +00:00
parent afde57b27e
commit f086273d2b
1 changed files with 5 additions and 5 deletions
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10
dlls/engine/engine.cpp
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@ -798,7 +798,7 @@ static cell AMX_NATIVE_CALL in_view_cone(AMX *amx, cell *params)
CHECK_ENTITY(src);
Vector2D vec2LOS;
Vector vecLOS;
float flDot;
edict_t *pEdictSrc = INDEXENT(src);
@ -811,12 +811,12 @@ static cell AMX_NATIVE_CALL in_view_cone(AMX *amx, cell *params)
Vector origin(vecOrigin[0], vecOrigin[1], vecOrigin[2]);
MAKE_VECTORS(pEdictSrc->v.angles);
MAKE_VECTORS(pEdictSrc->v.v_angle);
vec2LOS = (origin - pEdictSrc->v.origin).Make2D();
vec2LOS = vec2LOS.Normalize();
vecLOS = origin - (pEdictSrc->v.origin + pEdictSrc->v.view_ofs);
vecLOS = vecLOS.Normalize();
flDot = DotProduct(vec2LOS, gpGlobals->v_forward.Make2D());
flDot = DotProduct(vecLOS, gpGlobals->v_forward);
if (flDot >= cos(pEdictSrc->v.fov * (M_PI / 360)))
return 1;