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-rw-r--r--core/math/plane.cpp8
1 files changed, 3 insertions, 5 deletions
diff --git a/core/math/plane.cpp b/core/math/plane.cpp
index cd3cbce300..ee59a0e171 100644
--- a/core/math/plane.cpp
+++ b/core/math/plane.cpp
@@ -115,15 +115,14 @@ bool Plane::intersects_ray(const Vector3 &p_from, const Vector3 &p_dir, Vector3
return false;
}
- real_t dist = (normal.dot(p_from) - d) / den;
+ real_t dist = (-normal.dot(p_from) - d) / den;
//printf("dist is %i\n",dist);
- if (dist > CMP_EPSILON) { //this is a ray, before the emitting pos (p_from) doesn't exist
+ if (dist < -CMP_EPSILON) { //this is a ray, before the emitting pos (p_from) doesn't exist
return false;
}
- dist = -dist;
*p_intersection = p_from + segment * dist;
return true;
@@ -140,7 +139,7 @@ bool Plane::intersects_segment(const Vector3 &p_begin, const Vector3 &p_end, Vec
return false;
}
- real_t dist = (normal.dot(p_begin) - d) / den;
+ real_t dist = (-normal.dot(p_begin) - d) / den;
//printf("dist is %i\n",dist);
if (dist < -CMP_EPSILON || dist > (1.0 + CMP_EPSILON)) {
@@ -148,7 +147,6 @@ bool Plane::intersects_segment(const Vector3 &p_begin, const Vector3 &p_end, Vec
return false;
}
- dist = -dist;
*p_intersection = p_begin + segment * dist;
return true;