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Fix inverted checks in ray intersection functions
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This commit is contained in:
Mikhail Romanko
2026-07-03 12:38:30 +03:00
parent d93f5eebd7
commit aef2932ce4
2 changed files with 11 additions and 11 deletions
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12
Ray3f.c
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@@ -33,11 +33,11 @@ int CgeRay3fIntersectTriangle(const float start[3], const float direction[3],
float time;
/* Compute plane */
if (CgePlaneFromPoints(a, b, c, plane))
if (!CgePlaneFromPoints(a, b, c, plane))
return 0;
/* Compute intersection point in ray against plane */
if (CgeRay3fIntersectPlane(start, direction, plane, &time, tmp3))
if (!CgeRay3fIntersectPlane(start, direction, plane, &time, tmp3))
return 0;
/* Check if point inside rectangle */
@@ -94,11 +94,11 @@ int CgeSegment3fIntersectTriangle(const float start[3], const float end[3],
float time;
/* Compute plane */
if (CgePlaneFromPoints(a, b, c, plane))
if (!CgePlaneFromPoints(a, b, c, plane))
return 0;
/* Compute intersection point in ray against plane */
if (CgeSegment3fIntersectPlane(start, end, plane, &time, tmp3))
if (!CgeSegment3fIntersectPlane(start, end, plane, &time, tmp3))
return 0;
/* Check if point inside rectangle */
@@ -136,7 +136,7 @@ int CgeRay3fIntersectBox3f(const float aStart[3], const float aDirection[3],
timeFar = 1.0f / 0.0f;
/* Check if origin inside box */
if (!CgeBox3fContains(bMin, bMax, aStart)) {
if (CgeBox3fContains(bMin, bMax, aStart)) {
memcpy(out, aStart, sizeof(float) * 3);
*t = 0.0f;
return 1;
@@ -184,7 +184,7 @@ int CgeSegment3fIntersectBox3f(const float aStart[3], const float aEnd[3],
float time;
CgeVec3fSub(aEnd, aStart, tmp);
if (CgeRay3fIntersectBox3f(aStart, tmp, bMin, bMax, &time, out))
if (!CgeRay3fIntersectBox3f(aStart, tmp, bMin, bMax, &time, out))
return 0;
if (time > 1.0f)