diff options
Diffstat (limited to 'core/math')
| -rw-r--r-- | core/math/transform.h | 4 | ||||
| -rw-r--r-- | core/math/vector3.h | 8 |
2 files changed, 10 insertions, 2 deletions
diff --git a/core/math/transform.h b/core/math/transform.h index 60da6f5593..1c05dbe554 100644 --- a/core/math/transform.h +++ b/core/math/transform.h @@ -51,8 +51,8 @@ public: void rotate(const Vector3 &p_axis, real_t p_phi); void rotate_basis(const Vector3 &p_axis, real_t p_phi); - void set_look_at(const Vector3 &p_eye, const Vector3 &p_target, const Vector3 &p_up); - Transform looking_at(const Vector3 &p_target, const Vector3 &p_up) const; + void set_look_at(const Vector3 &p_eye, const Vector3 &p_target, const Vector3 &p_up = Vector3(0, 1, 0)); + Transform looking_at(const Vector3 &p_target, const Vector3 &p_up = Vector3(0, 1, 0)) const; void scale(const Vector3 &p_scale); Transform scaled(const Vector3 &p_scale) const; diff --git a/core/math/vector3.h b/core/math/vector3.h index 6b4ff3f9a8..377581bb45 100644 --- a/core/math/vector3.h +++ b/core/math/vector3.h @@ -110,6 +110,7 @@ struct Vector3 { _FORCE_INLINE_ Vector3 project(const Vector3 &p_to) const; _FORCE_INLINE_ real_t angle_to(const Vector3 &p_to) const; + _FORCE_INLINE_ real_t signed_angle_to(const Vector3 &p_to, const Vector3 &p_axis) const; _FORCE_INLINE_ Vector3 direction_to(const Vector3 &p_to) const; _FORCE_INLINE_ Vector3 slide(const Vector3 &p_normal) const; @@ -230,6 +231,13 @@ real_t Vector3::angle_to(const Vector3 &p_to) const { return Math::atan2(cross(p_to).length(), dot(p_to)); } +real_t Vector3::signed_angle_to(const Vector3 &p_to, const Vector3 &p_axis) const { + Vector3 cross_to = cross(p_to); + real_t unsigned_angle = Math::atan2(cross_to.length(), dot(p_to)); + real_t sign = cross_to.dot(p_axis); + return (sign < 0) ? -unsigned_angle : unsigned_angle; +} + Vector3 Vector3::direction_to(const Vector3 &p_to) const { Vector3 ret(p_to.x - x, p_to.y - y, p_to.z - z); ret.normalize(); |