diff options
Diffstat (limited to 'core')
| -rw-r--r-- | core/math/geometry.h | 13 | ||||
| -rw-r--r-- | core/math/quat.cpp | 2 |
2 files changed, 7 insertions, 8 deletions
diff --git a/core/math/geometry.h b/core/math/geometry.h index ca4363e129..73a53c53b6 100644 --- a/core/math/geometry.h +++ b/core/math/geometry.h @@ -502,16 +502,15 @@ public: } static bool is_point_in_triangle(const Vector2 &s, const Vector2 &a, const Vector2 &b, const Vector2 &c) { - int as_x = s.x - a.x; - int as_y = s.y - a.y; + Vector2 an = a - s; + Vector2 bn = b - s; + Vector2 cn = c - s; - bool s_ab = (b.x - a.x) * as_y - (b.y - a.y) * as_x > 0; + bool orientation = an.cross(bn) > 0; - if (((c.x - a.x) * as_y - (c.y - a.y) * as_x > 0) == s_ab) return false; + if ((bn.cross(cn) > 0) != orientation) return false; - if (((c.x - b.x) * (s.y - b.y) - (c.y - b.y) * (s.x - b.x) > 0) != s_ab) return false; - - return true; + return (cn.cross(an) > 0) == orientation; } static bool is_point_in_polygon(const Vector2 &p_point, const Vector<Vector2> &p_polygon); diff --git a/core/math/quat.cpp b/core/math/quat.cpp index 9aa8b537d2..4f61401ac7 100644 --- a/core/math/quat.cpp +++ b/core/math/quat.cpp @@ -89,7 +89,7 @@ void Quat::set_euler_yxz(const Vector3 &p_euler) { set(sin_a1 * cos_a2 * sin_a3 + cos_a1 * sin_a2 * cos_a3, sin_a1 * cos_a2 * cos_a3 - cos_a1 * sin_a2 * sin_a3, - -sin_a1 * sin_a2 * cos_a3 + cos_a1 * sin_a2 * sin_a3, + -sin_a1 * sin_a2 * cos_a3 + cos_a1 * cos_a2 * sin_a3, sin_a1 * sin_a2 * sin_a3 + cos_a1 * cos_a2 * cos_a3); } |