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Fix render simple

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This commit is contained in:
Miloslav Číž 2020-06-20 18:19:33 +02:00
parent a18264c2a6
commit 2169b4db39
1 changed files with 11 additions and 8 deletions
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19
raycastlib.h
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@ -26,7 +26,7 @@
author: Miloslav "drummyfish" Ciz
license: CC0 1.0
version: 0.904
version: 0.905
*/
#include <stdint.h>
@ -1526,16 +1526,18 @@ void _RCL_columnFunctionSimple(RCL_HitResult *hits, uint16_t hitCount,
int16_t wallHeightWorld = _RCL_floorFunction(hit.square.x,hit.square.y);
wallHeightScreen = RCL_perspectiveScaleVertical((wallHeightWorld *
_RCL_camera.resolution.y) / RCL_UNITS_PER_SQUARE,dist);
RCL_Unit worldPointTop = wallHeightWorld - _RCL_camera.height;
RCL_Unit worldPointBottom = -1 * _RCL_camera.height;
int16_t RCL_normalizedWallHeight = wallHeightWorld != 0 ?
((RCL_UNITS_PER_SQUARE * wallHeightScreen) / wallHeightWorld) : 0;
wallStart = _RCL_middleRow -
(RCL_perspectiveScaleVertical(worldPointTop,dist)
* _RCL_camera.resolution.y) / RCL_UNITS_PER_SQUARE;
heightOffset = RCL_perspectiveScaleVertical(_RCL_cameraHeightScreen,dist);
int16_t wallEnd = _RCL_middleRow -
(RCL_perspectiveScaleVertical(worldPointBottom,dist)
* _RCL_camera.resolution.y) / RCL_UNITS_PER_SQUARE;
wallStart = _RCL_middleRow - wallHeightScreen + heightOffset +
RCL_normalizedWallHeight;
wallHeightScreen = wallEnd - wallStart;
}
}
else
@ -2036,3 +2038,4 @@ void RCL_initRayConstraints(RCL_RayConstraints *constraints)
}
#endif