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More sphereCast bug fixes

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--HG--
branch : nfb
This commit is contained in:
Kearwood Gilbert
2014-02-18 01:51:09 -08:00
parent be804fc3de
commit 3bf5cf782b
1 changed files with 2 additions and 2 deletions
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4
KREngine/kraken/KRTriangle3.cpp
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@@ -214,7 +214,7 @@ KRVector3 KRTriangle3::closestPointOnTriangle(const KRVector3 &p) const
bool KRTriangle3::sphereCast(const KRVector3 &start, const KRVector3 &dir, float radius, KRVector3 &hit_point, float &hit_distance) const
{
// Dir must be normalized
const float SMALL_NUM = 0.00000001f; // anything that avoids division overflow
const float SMALL_NUM = 0.001f; // anything that avoids division overflow
KRVector3 tri_normal = calculateNormal();
@@ -242,7 +242,7 @@ bool KRTriangle3::sphereCast(const KRVector3 &start, const KRVector3 &dir, float
// Determine the first point hit by the swept sphere on the triangle's plane
plane_intersect_distance = -(cotangent_distance / denom);
plane_intersect = start + dir * plane_intersect_distance;
plane_intersect = start + dir * plane_intersect_distance - tri_normal * radius;
}
if(plane_intersect_distance < 0.0f) {