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change limits for tx based on fov, by multiplying by fovtan

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this makes it so that higher fov values can actually let you see all the sprites that should be in the view
This commit is contained in:
Monster Iestyn 2020-05-19 18:54:39 +01:00
parent a2a6208548
commit 4ad02cae93
1 changed files with 2 additions and 2 deletions
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src/r_things.c
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@ -1407,7 +1407,7 @@ static void R_ProjectSprite(mobj_t *thing)
basetx = tx = FixedMul(tr_x, viewsin) - FixedMul(tr_y, viewcos); // sideways distance
// too far off the side?
if (!papersprite && abs(tx) > tz<<2) // papersprite clipping is handled later
if (!papersprite && abs(tx) > FixedMul(tz, fovtan)<<2) // papersprite clipping is handled later
return;
// aspect ratio stuff
@ -1600,7 +1600,7 @@ static void R_ProjectSprite(mobj_t *thing)
xscale2 = FixedDiv(projection, tz2);
}
if (tx2 < -(tz2<<2) || tx > tz<<2) // too far off the side?
if (tx2 < -(FixedMul(tz2, fovtan)<<2) || tx > FixedMul(tz, fovtan)<<2) // too far off the side?
return;
// TODO: tx clamping