mirror of
https://github.com/Relintai/gdnative_cpp.git
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101 lines
3.7 KiB
C++
101 lines
3.7 KiB
C++
/*************************************************************************/
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/* Vector2.cpp */
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/*************************************************************************/
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/* This file is part of: */
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/* PANDEMONIUM ENGINE */
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/* https://pandemoniumengine.org */
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/*************************************************************************/
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/* Copyright (c) 2007-2022 Juan Linietsky, Ariel Manzur. */
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/* Copyright (c) 2014-2022 Pandemonium Engine contributors (cf. AUTHORS.md). */
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/* */
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/* Permission is hereby granted, free of charge, to any person obtaining */
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/* a copy of this software and associated documentation files (the */
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/* "Software"), to deal in the Software without restriction, including */
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/* without limitation the rights to use, copy, modify, merge, publish, */
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/* distribute, sublicense, and/or sell copies of the Software, and to */
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/* permit persons to whom the Software is furnished to do so, subject to */
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/* the following conditions: */
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/* */
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/* The above copyright notice and this permission notice shall be */
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/* included in all copies or substantial portions of the Software. */
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/* */
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/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
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/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
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/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
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/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
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/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
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/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
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/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
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/*************************************************************************/
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#include "vector2.h"
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#include <gdn/vector2.h>
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#include "ustring.h"
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const Vector2 Vector2::ZERO = Vector2();
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const Vector2 Vector2::ONE = Vector2(1, 1);
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const Vector2 Vector2::INF = Vector2(INFINITY, INFINITY);
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const Vector2 Vector2::LEFT = Vector2(-1, 0);
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const Vector2 Vector2::RIGHT = Vector2(1, 0);
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const Vector2 Vector2::UP = Vector2(0, -1);
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const Vector2 Vector2::DOWN = Vector2(0, 1);
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bool Vector2::operator==(const Vector2 &p_vec2) const {
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return x == p_vec2.x && y == p_vec2.y;
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}
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bool Vector2::operator!=(const Vector2 &p_vec2) const {
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return x != p_vec2.x || y != p_vec2.y;
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}
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Vector2 Vector2::project(const Vector2 &p_vec) const {
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Vector2 v1 = p_vec;
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Vector2 v2 = *this;
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return v2 * (v1.dot(v2) / v2.dot(v2));
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}
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Vector2 Vector2::plane_project(real_t p_d, const Vector2 &p_vec) const {
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return p_vec - *this * (dot(p_vec) - p_d);
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}
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Vector2 Vector2::clamped(real_t p_len) const {
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real_t l = length();
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Vector2 v = *this;
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if (l > 0 && p_len < l) {
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v /= l;
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v *= p_len;
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}
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return v;
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}
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Vector2 Vector2::cubic_interpolate(const Vector2 &p_b, const Vector2 &p_pre_a, const Vector2 &p_post_b, real_t p_t) const {
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Vector2 p0 = p_pre_a;
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Vector2 p1 = *this;
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Vector2 p2 = p_b;
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Vector2 p3 = p_post_b;
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real_t t = p_t;
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real_t t2 = t * t;
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real_t t3 = t2 * t;
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Vector2 out;
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out = ((p1 * 2.0) +
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(-p0 + p2) * t +
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(p0 * 2.0 - p1 * 5.0 + p2 * 4 - p3) * t2 +
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(-p0 + p1 * 3.0 - p2 * 3.0 + p3) * t3) *
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0.5;
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return out;
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}
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Vector2::operator String() const {
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return String::num(x) + ", " + String::num(y);
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}
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