diff options
Diffstat (limited to 'core/math/basis.cpp')
| -rw-r--r-- | core/math/basis.cpp | 43 |
1 files changed, 17 insertions, 26 deletions
diff --git a/core/math/basis.cpp b/core/math/basis.cpp index dd38e25bb1..cbdd8a8c9f 100644 --- a/core/math/basis.cpp +++ b/core/math/basis.cpp @@ -5,8 +5,8 @@ /* GODOT ENGINE */ /* https://godotengine.org */ /*************************************************************************/ -/* Copyright (c) 2007-2020 Juan Linietsky, Ariel Manzur. */ -/* Copyright (c) 2014-2020 Godot Engine contributors (cf. AUTHORS.md). */ +/* Copyright (c) 2007-2021 Juan Linietsky, Ariel Manzur. */ +/* Copyright (c) 2014-2021 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 */ @@ -32,7 +32,7 @@ #include "core/math/math_funcs.h" #include "core/os/copymem.h" -#include "core/print_string.h" +#include "core/string/print_string.h" #define cofac(row1, col1, row2, col2) \ (elements[row1][col1] * elements[row2][col2] - elements[row1][col2] * elements[row2][col1]) @@ -113,19 +113,22 @@ bool Basis::is_rotation() const { return Math::is_equal_approx(determinant(), 1, UNIT_EPSILON) && is_orthogonal(); } +#ifdef MATH_CHECKS +// This method is only used once, in diagonalize. If it's desired elsewhere, feel free to remove the #ifdef. bool Basis::is_symmetric() const { - if (!Math::is_equal_approx_ratio(elements[0][1], elements[1][0], UNIT_EPSILON)) { + if (!Math::is_equal_approx(elements[0][1], elements[1][0])) { return false; } - if (!Math::is_equal_approx_ratio(elements[0][2], elements[2][0], UNIT_EPSILON)) { + if (!Math::is_equal_approx(elements[0][2], elements[2][0])) { return false; } - if (!Math::is_equal_approx_ratio(elements[1][2], elements[2][1], UNIT_EPSILON)) { + if (!Math::is_equal_approx(elements[1][2], elements[2][1])) { return false; } return true; } +#endif Basis Basis::diagonalize() { //NOTE: only implemented for symmetric matrices @@ -737,18 +740,6 @@ bool Basis::is_equal_approx(const Basis &p_basis) const { return elements[0].is_equal_approx(p_basis.elements[0]) && elements[1].is_equal_approx(p_basis.elements[1]) && elements[2].is_equal_approx(p_basis.elements[2]); } -bool Basis::is_equal_approx_ratio(const Basis &a, const Basis &b, real_t p_epsilon) const { - for (int i = 0; i < 3; i++) { - for (int j = 0; j < 3; j++) { - if (!Math::is_equal_approx_ratio(a.elements[i][j], b.elements[i][j], p_epsilon)) { - return false; - } - } - } - - return true; -} - bool Basis::operator==(const Basis &p_matrix) const { for (int i = 0; i < 3; i++) { for (int j = 0; j < 3; j++) { @@ -799,8 +790,8 @@ Quat Basis::get_quat() const { temp[2] = ((m.elements[1][0] - m.elements[0][1]) * s); } else { int i = m.elements[0][0] < m.elements[1][1] ? - (m.elements[1][1] < m.elements[2][2] ? 2 : 1) : - (m.elements[0][0] < m.elements[2][2] ? 2 : 0); + (m.elements[1][1] < m.elements[2][2] ? 2 : 1) : + (m.elements[0][0] < m.elements[2][2] ? 2 : 0); int j = (i + 1) % 3; int k = (i + 2) % 3; @@ -1026,15 +1017,15 @@ void Basis::set_diagonal(const Vector3 &p_diag) { elements[2][2] = p_diag.z; } -Basis Basis::slerp(const Basis &target, const real_t &t) const { +Basis Basis::slerp(const Basis &p_to, const real_t &p_weight) const { //consider scale Quat from(*this); - Quat to(target); + Quat to(p_to); - Basis b(from.slerp(to, t)); - b.elements[0] *= Math::lerp(elements[0].length(), target.elements[0].length(), t); - b.elements[1] *= Math::lerp(elements[1].length(), target.elements[1].length(), t); - b.elements[2] *= Math::lerp(elements[2].length(), target.elements[2].length(), t); + Basis b(from.slerp(to, p_weight)); + b.elements[0] *= Math::lerp(elements[0].length(), p_to.elements[0].length(), p_weight); + b.elements[1] *= Math::lerp(elements[1].length(), p_to.elements[1].length(), p_weight); + b.elements[2] *= Math::lerp(elements[2].length(), p_to.elements[2].length(), p_weight); return b; } |