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Fix wall bug

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This commit is contained in:
Miloslav Číž 2018-09-05 18:38:53 +02:00
parent a793e9f720
commit 5aa677563d
1 changed files with 3 additions and 3 deletions
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6
raycastlib.h
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@ -722,7 +722,7 @@ void _columnFunction(HitResult *hits, uint16_t hitCount, uint16_t x, Ray ray)
int_maybe32_t iTo = y2 < zTop ? zTop : y2; int_maybe32_t iTo = y2 < zTop ? zTop : y2;
for (int_maybe32_t i = z1Screen < y ? z1Screen : y; i > iTo; --i) for (int_maybe32_t i = z1Screen < y ? z1Screen : y; i >= iTo; --i)
{ {
p.position.y = i; p.position.y = i;
p.hit = hit; p.hit = hit;
@ -740,7 +740,7 @@ void _columnFunction(HitResult *hits, uint16_t hitCount, uint16_t x, Ray ray)
{ {
iTo = y > zBottomCeil ? zBottomCeil : y; iTo = y > zBottomCeil ? zBottomCeil : y;
for (int_maybe32_t i = z1ScreenCeil > y2 ? z1ScreenCeil : y2; i < iTo; for (int_maybe32_t i = z1ScreenCeil > y2 ? z1ScreenCeil : y2; i <= iTo;
++i) ++i)
{ {
p.position.y = i; p.position.y = i;
@ -771,7 +771,7 @@ void _columnFunction(HitResult *hits, uint16_t hitCount, uint16_t x, Ray ray)
Unit floorCameraDiff = absVal(worldZPrev) * VERTICAL_DEPTH_MULTIPLY; Unit floorCameraDiff = absVal(worldZPrev) * VERTICAL_DEPTH_MULTIPLY;
Unit horizon = (y2 < _middleRow || _ceilFunction == 0) ? _middleRow : y2; Unit horizon = (y2 < _middleRow || _ceilFunction == 0) ? _middleRow : y2;
for (int_maybe32_t i = y; i >= horizon; --i) for (int_maybe32_t i = y; i >= horizon + (horizon > y2 ? 0 : 1); --i)
{ {
p.position.y = i; p.position.y = i;
p.depth = (_camera.resolution.y - i) * _floorDepthStep + floorCameraDiff; p.depth = (_camera.resolution.y - i) * _floorDepthStep + floorCameraDiff;