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Adjust floor texturing

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This commit is contained in:
Miloslav Číž 2018-09-28 17:07:32 +02:00
parent cc6e9c69f4
commit a5b5d6d43e
1 changed files with 6 additions and 10 deletions
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16
raycastlib.h
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@ -1102,7 +1102,7 @@ static inline int16_t _RCL_drawHorizontal(
{\
dx = pixelInfo->hit.position.x - _RCL_camera.position.x;\
dy = pixelInfo->hit.position.y - _RCL_camera.position.y;\
pixPos = yCurrent - _RCL_middleRow - 1;\
pixPos = yCurrent - _RCL_middleRow;\
rayCameraCos = RCL_vectorsAngleCos(\
RCL_angleToDirection(_RCL_camera.direction),ray->direction);\
}\
@ -1589,16 +1589,11 @@ void RCL_renderSimple(RCL_Camera cam, RCL_ArrayFunction floorHeightFunc,
this will contain precomputed
distance to the camera */
RCL_Unit camHeightScreenSize =
#ifdef RCL_RAYCAST_TINY
(cam.height
#else
(((cam.height >> 6) << 6) // prevent weird floor movement with rounding
#endif
* cam.resolution.y) / RCL_UNITS_PER_SQUARE;
(cam.height * cam.resolution.y) / RCL_UNITS_PER_SQUARE;
for (uint16_t i = 0; i < halfResY; ++i) // precompute the distances
floorPixelDistances[i] =
RCL_perspectiveScaleInverse(camHeightScreenSize,i);
RCL_perspectiveScaleInverse(camHeightScreenSize,i + 1);
// pass to _RCL_columnFunctionSimple
_RCL_floorPixelDistances = floorPixelDistances;
@ -1700,9 +1695,10 @@ RCL_Unit RCL_perspectiveScaleInverse(RCL_Unit originalSize,
RCL_Unit scaledSize)
{
return scaledSize != 0 ?
(originalSize * RCL_UNITS_PER_SQUARE) /
(originalSize * RCL_UNITS_PER_SQUARE + RCL_UNITS_PER_SQUARE / 2) /
// ^ take the middle
((RCL_VERTICAL_FOV * 2 * scaledSize) / RCL_UNITS_PER_SQUARE)
: 0;
: RCL_INFINITY;
}
void RCL_moveCameraWithCollision(RCL_Camera *camera, RCL_Vector2D planeOffset,