diff options
Diffstat (limited to 'core/math/plane.cpp')
| -rw-r--r-- | core/math/plane.cpp | 22 |
1 files changed, 13 insertions, 9 deletions
diff --git a/core/math/plane.cpp b/core/math/plane.cpp index c375913756..26ac0aac47 100644 --- a/core/math/plane.cpp +++ b/core/math/plane.cpp @@ -45,7 +45,7 @@ void Plane::normalize() { return; } normal /= l; - distance /= l; + d /= l; } Plane Plane::normalized() const { @@ -57,7 +57,7 @@ Plane Plane::normalized() const { Vector3 Plane::get_any_point() const { - return get_normal() * distance; + return get_normal() * d; } Vector3 Plane::get_any_perpendicular_normal() const { @@ -92,9 +92,9 @@ bool Plane::intersect_3(const Plane &p_plane1, const Plane &p_plane2, Vector3 *r return false; if (r_result) { - *r_result = ((vec3_cross(normal1, normal2) * p_plane0.distance) + - (vec3_cross(normal2, normal0) * p_plane1.distance) + - (vec3_cross(normal0, normal1) * p_plane2.distance)) / + *r_result = ((vec3_cross(normal1, normal2) * p_plane0.d) + + (vec3_cross(normal2, normal0) * p_plane1.d) + + (vec3_cross(normal0, normal1) * p_plane2.d)) / denom; } @@ -112,7 +112,7 @@ bool Plane::intersects_ray(const Vector3 &p_from, const Vector3 &p_dir, Vector3 return false; } - real_t dist = (normal.dot(p_from) - distance) / 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 @@ -137,7 +137,7 @@ bool Plane::intersects_segment(const Vector3 &p_begin, const Vector3 &p_end, Vec return false; } - real_t dist = (normal.dot(p_begin) - distance) / 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)) { @@ -153,12 +153,16 @@ bool Plane::intersects_segment(const Vector3 &p_begin, const Vector3 &p_end, Vec /* misc */ +bool Plane::is_equal_approx_any_side(const Plane &p_plane) const { + return (normal.is_equal_approx(p_plane.normal) && Math::is_equal_approx(d, p_plane.d)) || (normal.is_equal_approx(-p_plane.normal) && Math::is_equal_approx(d, -p_plane.d)); +} + bool Plane::is_equal_approx(const Plane &p_plane) const { - return normal.is_equal_approx(p_plane.normal) && Math::is_equal_approx(distance, p_plane.distance); + return normal.is_equal_approx(p_plane.normal) && Math::is_equal_approx(d, p_plane.d); } Plane::operator String() const { - return normal.operator String() + ", " + rtos(distance); + return normal.operator String() + ", " + rtos(d); } |