mirror of
https://github.com/EsotericSoftware/spine-runtimes.git
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58 lines
2.5 KiB
C#
58 lines
2.5 KiB
C#
/******************************************************************************
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* Spine Runtimes Software License
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* Version 2
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*
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* Copyright (c) 2013, Esoteric Software
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* All rights reserved.
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*
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* You are granted a perpetual, non-exclusive, non-sublicensable and
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* non-transferable license to install, execute and perform the Spine Runtimes
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* Software (the "Software") solely for internal use. Without the written
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* permission of Esoteric Software, you may not (a) modify, translate, adapt or
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* otherwise create derivative works, improvements of the Software or develop
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* new applications using the Software or (b) remove, delete, alter or obscure
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* any trademarks or any copyright, trademark, patent or other intellectual
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* property or proprietary rights notices on or in the Software, including
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* any copy thereof. Redistributions in binary or source form must include
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* this license and terms. THIS SOFTWARE IS PROVIDED BY ESOTERIC SOFTWARE
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL ESOTERIC SOFTARE BE LIABLE FOR ANY
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* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
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* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*****************************************************************************/
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using System;
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namespace Spine {
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/// <summary>Attachment that has a polygon for bounds checking.</summary>
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public class BoundingBoxAttachment : Attachment {
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public float[] Vertices { get; set; }
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public BoundingBoxAttachment (string name)
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: base(name) {
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}
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/// <param name="worldVertices">Must have at least the same length as this attachment's vertices.</param>
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public void ComputeWorldVertices (float x, float y, Bone bone, float[] worldVertices) {
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x += bone.worldX;
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y += bone.worldY;
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float m00 = bone.m00;
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float m01 = bone.m01;
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float m10 = bone.m10;
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float m11 = bone.m11;
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float[] vertices = Vertices;
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for (int i = 0, n = vertices.Length; i < n; i += 2) {
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float px = vertices[i];
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float py = vertices[i + 1];
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worldVertices[i] = px * m00 + py * m01 + x;
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worldVertices[i + 1] = px * m10 + py * m11 + y;
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}
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}
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}
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}
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