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https://github.com/EsotericSoftware/spine-runtimes.git
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63 lines
2.7 KiB
C#
63 lines
2.7 KiB
C#
/******************************************************************************
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* Spine Runtime Software License - Version 1.1
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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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* Redistribution and use in source and binary forms in whole or in part, with
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* or without modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. A Spine Essential, Professional, Enterprise, or Education License must
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* be purchased from Esoteric Software and the license must remain valid:
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* http://esotericsoftware.com/
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* 2. Redistributions of source code must retain this license, which is the
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* above copyright notice, this declaration of conditions and the following
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* disclaimer.
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* 3. Redistributions in binary form must reproduce this license, which is the
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* above copyright notice, this declaration of conditions and the following
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* disclaimer, in the documentation and/or other materials provided with the
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* distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR
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* ANY 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 THIS
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* 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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