From fa9db2d64424bb6bfd98b350f43e44a63dfe8095 Mon Sep 17 00:00:00 2001 From: Jaime Ita Passos Date: Wed, 16 Dec 2020 00:26:08 -0300 Subject: [PATCH] Fix vibing slope planes I messed up the multiplication order for texture scaling: it multiplied a floating point number with a fixed point number, instead of multiplying two floats and then converting the result into a fixed point number. --- src/r_plane.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/src/r_plane.c b/src/r_plane.c index c54b32382..194f85c4a 100644 --- a/src/r_plane.c +++ b/src/r_plane.c @@ -705,9 +705,9 @@ void R_CalculateSlopeVectors(pslope_t *slope, fixed_t planeviewx, fixed_t planev n.z = -xscale * cos(ang); ang = ANG2RAD(planeangle); - temp = P_GetSlopeZAt(slope, planeviewx + yscale * FLOAT_TO_FIXED(sin(ang)), planeviewy + yscale * FLOAT_TO_FIXED(cos(ang))); + temp = P_GetSlopeZAt(slope, planeviewx + FLOAT_TO_FIXED(yscale * sin(ang)), planeviewy + FLOAT_TO_FIXED(yscale * cos(ang))); m.y = FIXED_TO_FLOAT(temp) - zeroheight; - temp = P_GetSlopeZAt(slope, planeviewx + xscale * FLOAT_TO_FIXED(cos(ang)), planeviewy - xscale * FLOAT_TO_FIXED(sin(ang))); + temp = P_GetSlopeZAt(slope, planeviewx + FLOAT_TO_FIXED(xscale * cos(ang)), planeviewy - FLOAT_TO_FIXED(xscale * sin(ang))); n.y = FIXED_TO_FLOAT(temp) - zeroheight; if (ds_powersoftwo)