diff options
Diffstat (limited to 'src/variant/transform3d.cpp')
-rw-r--r-- | src/variant/transform3d.cpp | 87 |
1 files changed, 44 insertions, 43 deletions
diff --git a/src/variant/transform3d.cpp b/src/variant/transform3d.cpp index bd1e5c1..5f55fd3 100644 --- a/src/variant/transform3d.cpp +++ b/src/variant/transform3d.cpp @@ -58,13 +58,13 @@ Transform3D Transform3D::inverse() const { return ret; } -void Transform3D::rotate(const Vector3 &p_axis, real_t p_phi) { - *this = rotated(p_axis, p_phi); +void Transform3D::rotate(const Vector3 &p_axis, real_t p_angle) { + *this = rotated(p_axis, p_angle); } -Transform3D Transform3D::rotated(const Vector3 &p_axis, real_t p_phi) const { +Transform3D Transform3D::rotated(const Vector3 &p_axis, real_t p_angle) const { // Equivalent to left multiplication - Basis p_basis(p_axis, p_phi); + Basis p_basis(p_axis, p_angle); return Transform3D(p_basis * basis, p_basis.xform(origin)); } @@ -74,51 +74,29 @@ Transform3D Transform3D::rotated_local(const Vector3 &p_axis, real_t p_angle) co return Transform3D(basis * p_basis, origin); } -void Transform3D::rotate_basis(const Vector3 &p_axis, real_t p_phi) { - basis.rotate(p_axis, p_phi); +void Transform3D::rotate_basis(const Vector3 &p_axis, real_t p_angle) { + basis.rotate(p_axis, p_angle); } Transform3D Transform3D::looking_at(const Vector3 &p_target, const Vector3 &p_up) const { +#ifdef MATH_CHECKS + ERR_FAIL_COND_V_MSG(origin.is_equal_approx(p_target), Transform3D(), "The transform's origin and target can't be equal."); +#endif Transform3D t = *this; - t.set_look_at(origin, p_target, p_up); + t.basis = Basis::looking_at(p_target - origin, p_up); return t; } void Transform3D::set_look_at(const Vector3 &p_eye, const Vector3 &p_target, const Vector3 &p_up) { #ifdef MATH_CHECKS - ERR_FAIL_COND(p_eye == p_target); - ERR_FAIL_COND(p_up.length() == 0); -#endif - // RefCounted: MESA source code - Vector3 v_x, v_y, v_z; - - /* Make rotation matrix */ - - /* Z vector */ - v_z = p_eye - p_target; - - v_z.normalize(); - - v_y = p_up; - - v_x = v_y.cross(v_z); -#ifdef MATH_CHECKS - ERR_FAIL_COND(v_x.length() == 0); + ERR_FAIL_COND_MSG(p_eye.is_equal_approx(p_target), "The eye and target vectors can't be equal."); #endif - - /* Recompute Y = Z cross X */ - v_y = v_z.cross(v_x); - - v_x.normalize(); - v_y.normalize(); - - basis.set(v_x, v_y, v_z); - + basis = Basis::looking_at(p_target - p_eye, p_up); origin = p_eye; } Transform3D Transform3D::interpolate_with(const Transform3D &p_transform, real_t p_c) const { - /* not sure if very "efficient" but good enough? */ + Transform3D interp; Vector3 src_scale = basis.get_scale(); Quaternion src_rot = basis.get_rotation_quaternion(); @@ -128,7 +106,6 @@ Transform3D Transform3D::interpolate_with(const Transform3D &p_transform, real_t Quaternion dst_rot = p_transform.basis.get_rotation_quaternion(); Vector3 dst_loc = p_transform.origin; - Transform3D interp; interp.basis.set_quaternion_scale(src_rot.slerp(dst_rot, p_c).normalized(), src_scale.lerp(dst_scale, p_c)); interp.origin = src_loc.lerp(dst_loc, p_c); @@ -154,11 +131,11 @@ void Transform3D::scale_basis(const Vector3 &p_scale) { basis.scale(p_scale); } -void Transform3D::translate(real_t p_tx, real_t p_ty, real_t p_tz) { - translate(Vector3(p_tx, p_ty, p_tz)); +void Transform3D::translate_local(real_t p_tx, real_t p_ty, real_t p_tz) { + translate_local(Vector3(p_tx, p_ty, p_tz)); } -void Transform3D::translate(const Vector3 &p_translation) { +void Transform3D::translate_local(const Vector3 &p_translation) { for (int i = 0; i < 3; i++) { origin[i] += basis[i].dot(p_translation); } @@ -184,6 +161,16 @@ Transform3D Transform3D::orthonormalized() const { return _copy; } +void Transform3D::orthogonalize() { + basis.orthogonalize(); +} + +Transform3D Transform3D::orthogonalized() const { + Transform3D _copy = *this; + _copy.orthogonalize(); + return _copy; +} + bool Transform3D::is_equal_approx(const Transform3D &p_transform) const { return basis.is_equal_approx(p_transform.basis) && origin.is_equal_approx(p_transform.origin); } @@ -207,8 +194,22 @@ Transform3D Transform3D::operator*(const Transform3D &p_transform) const { return t; } +void Transform3D::operator*=(const real_t p_val) { + origin *= p_val; + basis *= p_val; +} + +Transform3D Transform3D::operator*(const real_t p_val) const { + Transform3D ret(*this); + ret *= p_val; + return ret; +} + Transform3D::operator String() const { - return basis.operator String() + " - " + origin.operator String(); + return "[X: " + basis.get_column(0).operator String() + + ", Y: " + basis.get_column(1).operator String() + + ", Z: " + basis.get_column(2).operator String() + + ", O: " + origin.operator String() + "]"; } Transform3D::Transform3D(const Basis &p_basis, const Vector3 &p_origin) : @@ -218,9 +219,9 @@ Transform3D::Transform3D(const Basis &p_basis, const Vector3 &p_origin) : Transform3D::Transform3D(const Vector3 &p_x, const Vector3 &p_y, const Vector3 &p_z, const Vector3 &p_origin) : origin(p_origin) { - basis.set_axis(0, p_x); - basis.set_axis(1, p_y); - basis.set_axis(2, p_z); + basis.set_column(0, p_x); + basis.set_column(1, p_y); + basis.set_column(2, p_z); } Transform3D::Transform3D(real_t xx, real_t xy, real_t xz, real_t yx, real_t yy, real_t yz, real_t zx, real_t zy, real_t zz, real_t ox, real_t oy, real_t oz) { |