diff options
Diffstat (limited to 'core/math/matrix3.cpp')
| -rw-r--r-- | core/math/matrix3.cpp | 28 |
1 files changed, 25 insertions, 3 deletions
diff --git a/core/math/matrix3.cpp b/core/math/matrix3.cpp index ab3bca79ae..ceaff04ae8 100644 --- a/core/math/matrix3.cpp +++ b/core/math/matrix3.cpp @@ -5,8 +5,8 @@ /* GODOT ENGINE */ /* https://godotengine.org */ /*************************************************************************/ -/* Copyright (c) 2007-2017 Juan Linietsky, Ariel Manzur. */ -/* Copyright (c) 2014-2017 Godot Engine contributors (cf. AUTHORS.md) */ +/* Copyright (c) 2007-2018 Juan Linietsky, Ariel Manzur. */ +/* Copyright (c) 2014-2018 Godot Engine contributors (cf. AUTHORS.md) */ /* */ /* Permission is hereby granted, free of charge, to any person obtaining */ /* a copy of this software and associated documentation files (the */ @@ -228,12 +228,24 @@ void Basis::scale(const Vector3 &p_scale) { } Basis Basis::scaled(const Vector3 &p_scale) const { - Basis m = *this; m.scale(p_scale); return m; } +void Basis::scale_local(const Vector3 &p_scale) { + // performs a scaling in object-local coordinate system: + // M -> (M.S.Minv).M = M.S. + *this = scaled_local(p_scale); +} + +Basis Basis::scaled_local(const Vector3 &p_scale) const { + Basis b; + b.set_scale(p_scale); + + return (*this) * b; +} + void Basis::set_scale(const Vector3 &p_scale) { set_axis(0, get_axis(0).normalized() * p_scale.x); @@ -311,6 +323,16 @@ void Basis::rotate(const Vector3 &p_axis, real_t p_phi) { *this = rotated(p_axis, p_phi); } +void Basis::rotate_local(const Vector3 &p_axis, real_t p_phi) { + // performs a rotation in object-local coordinate system: + // M -> (M.R.Minv).M = M.R. + *this = rotated_local(p_axis, p_phi); +} +Basis Basis::rotated_local(const Vector3 &p_axis, real_t p_phi) const { + + return (*this) * Basis(p_axis, p_phi); +} + Basis Basis::rotated(const Vector3 &p_euler) const { return Basis(p_euler) * (*this); } |