mirror of
https://github.com/EsotericSoftware/spine-runtimes.git
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81 lines
3.3 KiB
C#
81 lines
3.3 KiB
C#
/******************************************************************************
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* Spine Runtimes Software License
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* Version 2.3
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*
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* Copyright (c) 2013-2015, 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 use, install, execute and perform the Spine
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* Runtimes Software (the "Software") and derivative works solely for personal
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* or internal use. Without the written permission of Esoteric Software (see
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* Section 2 of the Spine Software License Agreement), you may not (a) modify,
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* translate, adapt or otherwise create derivative works, improvements of the
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* Software or develop new applications using the Software or (b) remove,
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* delete, alter or obscure any trademarks or any copyright, trademark, patent
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* or other intellectual property or proprietary rights notices on or in the
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* Software, including any copy thereof. Redistributions in binary or source
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* form must include this license and terms.
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*
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* THIS SOFTWARE IS PROVIDED BY ESOTERIC SOFTWARE "AS IS" AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
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* EVENT SHALL ESOTERIC SOFTWARE BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
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* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
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* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
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* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*****************************************************************************/
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using System;
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using System.Collections.Generic;
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namespace Spine {
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public class TransformConstraint : IUpdatable {
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internal TransformConstraintData data;
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internal Bone bone, target;
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internal float translateMix;
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internal float x, y;
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public TransformConstraintData Data { get { return data; } }
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public Bone Bone { get { return bone; } set { bone = value; } }
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public Bone Target { get { return target; } set { target = value; } }
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public float TranslateMix { get { return translateMix; } set { translateMix = value; } }
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public float X { get { return x; } set { x = value; } }
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public float Y { get { return y; } set { y = value; } }
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public TransformConstraint (TransformConstraintData data, Skeleton skeleton) {
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if (data == null) throw new ArgumentNullException("data cannot be null.");
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if (skeleton == null) throw new ArgumentNullException("skeleton cannot be null.");
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this.data = data;
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translateMix = data.translateMix;
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x = data.x;
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y = data.y;
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bone = skeleton.FindBone(data.bone.name);
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target = skeleton.FindBone(data.target.name);
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}
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public void Update () {
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Apply();
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}
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public void Apply () {
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float translateMix = this.translateMix;
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if (translateMix > 0) {
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Bone bone = this.bone;
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float tx, ty;
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target.LocalToWorld(x, y, out tx, out ty);
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bone.worldX += (tx - bone.worldX) * translateMix;
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bone.worldY += (ty - bone.worldY) * translateMix;
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}
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}
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override public String ToString () {
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return data.name;
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}
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}
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}
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