diff options
Diffstat (limited to 'core/math/vector4.cpp')
| -rw-r--r-- | core/math/vector4.cpp | 176 |
1 files changed, 176 insertions, 0 deletions
diff --git a/core/math/vector4.cpp b/core/math/vector4.cpp new file mode 100644 index 0000000000..1dd5adad2b --- /dev/null +++ b/core/math/vector4.cpp @@ -0,0 +1,176 @@ +/*************************************************************************/ +/* vector4.cpp */ +/*************************************************************************/ +/* This file is part of: */ +/* GODOT ENGINE */ +/* https://godotengine.org */ +/*************************************************************************/ +/* Copyright (c) 2007-2022 Juan Linietsky, Ariel Manzur. */ +/* Copyright (c) 2014-2022 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 */ +/* "Software"), to deal in the Software without restriction, including */ +/* without limitation the rights to use, copy, modify, merge, publish, */ +/* distribute, sublicense, and/or sell copies of the Software, and to */ +/* permit persons to whom the Software is furnished to do so, subject to */ +/* the following conditions: */ +/* */ +/* The above copyright notice and this permission notice shall be */ +/* included in all copies or substantial portions of the Software. */ +/* */ +/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */ +/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */ +/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/ +/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */ +/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */ +/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */ +/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ +/*************************************************************************/ + +#include "vector4.h" + +#include "core/math/basis.h" +#include "core/string/print_string.h" + +void Vector4::set_axis(const int p_axis, const real_t p_value) { + ERR_FAIL_INDEX(p_axis, 4); + components[p_axis] = p_value; +} + +real_t Vector4::get_axis(const int p_axis) const { + ERR_FAIL_INDEX_V(p_axis, 4, 0); + return operator[](p_axis); +} + +Vector4::Axis Vector4::min_axis_index() const { + uint32_t min_index = 0; + real_t min_value = x; + for (uint32_t i = 1; i < 4; i++) { + if (operator[](i) <= min_value) { + min_index = i; + min_value = operator[](i); + } + } + return Vector4::Axis(min_index); +} + +Vector4::Axis Vector4::max_axis_index() const { + uint32_t max_index = 0; + real_t max_value = x; + for (uint32_t i = 1; i < 4; i++) { + if (operator[](i) > max_value) { + max_index = i; + max_value = operator[](i); + } + } + return Vector4::Axis(max_index); +} + +bool Vector4::is_equal_approx(const Vector4 &p_vec4) const { + return Math::is_equal_approx(x, p_vec4.x) && Math::is_equal_approx(y, p_vec4.y) && Math::is_equal_approx(z, p_vec4.z) && Math::is_equal_approx(w, p_vec4.w); +} + +real_t Vector4::length() const { + return Math::sqrt(length_squared()); +} + +void Vector4::normalize() { + *this /= length(); +} + +Vector4 Vector4::normalized() const { + return *this / length(); +} + +bool Vector4::is_normalized() const { + return Math::is_equal_approx(length_squared(), 1, (real_t)UNIT_EPSILON); // Use less epsilon. +} + +real_t Vector4::distance_to(const Vector4 &p_to) const { + return (p_to - *this).length(); +} + +real_t Vector4::distance_squared_to(const Vector4 &p_to) const { + return (p_to - *this).length_squared(); +} + +Vector4 Vector4::direction_to(const Vector4 &p_to) const { + Vector4 ret(p_to.x - x, p_to.y - y, p_to.z - z, p_to.w - w); + ret.normalize(); + return ret; +} + +Vector4 Vector4::abs() const { + return Vector4(Math::abs(x), Math::abs(y), Math::abs(z), Math::abs(w)); +} + +Vector4 Vector4::sign() const { + return Vector4(SIGN(x), SIGN(y), SIGN(z), SIGN(w)); +} + +Vector4 Vector4::floor() const { + return Vector4(Math::floor(x), Math::floor(y), Math::floor(z), Math::floor(w)); +} + +Vector4 Vector4::ceil() const { + return Vector4(Math::ceil(x), Math::ceil(y), Math::ceil(z), Math::ceil(w)); +} + +Vector4 Vector4::round() const { + return Vector4(Math::round(x), Math::round(y), Math::round(z), Math::round(w)); +} + +Vector4 Vector4::lerp(const Vector4 &p_to, const real_t p_weight) const { + return Vector4( + x + (p_weight * (p_to.x - x)), + y + (p_weight * (p_to.y - y)), + z + (p_weight * (p_to.z - z)), + w + (p_weight * (p_to.w - w))); +} + +Vector4 Vector4::cubic_interpolate(const Vector4 &p_b, const Vector4 &p_pre_a, const Vector4 &p_post_b, const real_t p_weight) const { + Vector4 res = *this; + res.x = Math::cubic_interpolate(res.x, p_b.x, p_pre_a.x, p_post_b.x, p_weight); + res.y = Math::cubic_interpolate(res.y, p_b.y, p_pre_a.y, p_post_b.y, p_weight); + res.z = Math::cubic_interpolate(res.z, p_b.z, p_pre_a.z, p_post_b.z, p_weight); + res.w = Math::cubic_interpolate(res.w, p_b.w, p_pre_a.w, p_post_b.w, p_weight); + return res; +} + +Vector4 Vector4::posmod(const real_t p_mod) const { + return Vector4(Math::fposmod(x, p_mod), Math::fposmod(y, p_mod), Math::fposmod(z, p_mod), Math::fposmod(w, p_mod)); +} + +Vector4 Vector4::posmodv(const Vector4 &p_modv) const { + return Vector4(Math::fposmod(x, p_modv.x), Math::fposmod(y, p_modv.y), Math::fposmod(z, p_modv.z), Math::fposmod(w, p_modv.w)); +} + +void Vector4::snap(const Vector4 &p_step) { + x = Math::snapped(x, p_step.x); + y = Math::snapped(y, p_step.y); + z = Math::snapped(z, p_step.z); + w = Math::snapped(w, p_step.w); +} + +Vector4 Vector4::snapped(const Vector4 &p_step) const { + Vector4 v = *this; + v.snap(p_step); + return v; +} + +Vector4 Vector4::inverse() const { + return Vector4(1.0f / x, 1.0f / y, 1.0f / z, 1.0f / w); +} + +Vector4 Vector4::clamp(const Vector4 &p_min, const Vector4 &p_max) const { + return Vector4( + CLAMP(x, p_min.x, p_max.x), + CLAMP(y, p_min.y, p_max.y), + CLAMP(z, p_min.z, p_max.z), + CLAMP(w, p_min.w, p_max.w)); +} + +Vector4::operator String() const { + return "(" + String::num_real(x, false) + ", " + String::num_real(y, false) + ", " + String::num_real(z, false) + ", " + String::num_real(w, false) + ")"; +} |