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5472558a98
Co-authored-by: lyuma <xn.lyuma@gmail.com> Co-authored-by: fire <ernest.lee@chibifire.com> Co-authored-by: SaracenOne <SaracenOne@gmail.com>
44 lines
2.7 KiB
C++
44 lines
2.7 KiB
C++
/**************************************************************************/
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/* spring_bone_collision_plane_3d.cpp */
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/**************************************************************************/
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/* This file is part of: */
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/* GODOT ENGINE */
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/* https://godotengine.org */
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/**************************************************************************/
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/* Copyright (c) 2014-present Godot Engine contributors (see AUTHORS.md). */
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/* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur. */
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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 "spring_bone_collision_plane_3d.h"
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Vector3 SpringBoneCollisionPlane3D::_collide(const Transform3D &p_center, float p_bone_radius, float p_bone_length, const Vector3 &p_current) const {
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static const Vector3 VECTOR3_UP = Vector3(0, 1, 0);
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Transform3D tr = get_transform_from_skeleton(p_center);
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Vector3 pos = tr.origin;
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Vector3 normal = tr.basis.get_rotation_quaternion().xform(VECTOR3_UP);
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Vector3 to_vec = p_current - pos;
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float distance = to_vec.dot(normal) - p_bone_radius;
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if (distance > 0) {
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return p_current;
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}
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return p_current + normal * -distance;
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}
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