Catcrafts/Crafter.Math
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sphere box test

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Jorijn van der Graaf 2026-03-07 20:11:02 +01:00
commit f95555b9e1
1 changed files with 2 additions and 2 deletions
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interfaces/Crafter.Math-Intersection.cppm
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@ -195,13 +195,13 @@ namespace Crafter {
export template<typename T> export template<typename T>
constexpr bool IntersectionTestSphereOrientatedBox(Vector<T, 3, 0> spherePos, T sphereRadius, Vector<T, 3, 0> boxSize, MatrixRowMajor<T, 4, 3, 1> boxMat) { constexpr bool IntersectionTestSphereOrientatedBox(Vector<T, 3, 0> spherePos, T sphereRadius, Vector<T, 3, 0> boxSize, MatrixRowMajor<T, 4, 3, 1> boxMat) {
Vector<T, 3, 0> d = spherePos - Vector<T, 3, 0>(boxMat.m[4][0], boxMat.m[4][1], boxMat.m[4][2]); Vector<T, 3, 0> d = spherePos - Vector<T, 3, 0>(boxMat[0][4], boxMat[1][4], boxMat[2][4]);
T distSq = 0.0f; T distSq = 0.0f;
for (std::uint32_t i = 0; i < 3; ++i) for (std::uint32_t i = 0; i < 3; ++i)
{ {
Vector<T, 3, 0> axis(boxMat.m[i][0], boxMat.m[i][1], boxMat.m[i][2]); Vector<T, 3, 0> axis(boxMat[0][i], boxMat[1][i], boxMat[2][i]);
T dist = Vector<T, 3, 0>::Dot(d, axis); T dist = Vector<T, 3, 0>::Dot(d, axis);
T excess = std::fabs(dist) - boxSize.v[i]; T excess = std::fabs(dist) - boxSize.v[i];
excess = std::max(excess, 0.0f); excess = std::max(excess, 0.0f);