FiE-Game/Assets/Spine/SpineCSharp/Attachments/PointAttachment.cs
2023-07-25 00:52:50 +05:00

61 lines
3 KiB
C#

/******************************************************************************
* Spine Runtimes Software License v2.5
*
* Copyright (c) 2013-2016, Esoteric Software
* All rights reserved.
*
* You are granted a perpetual, non-exclusive, non-sublicensable, and
* non-transferable license to use, install, execute, and perform the Spine
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* use. Without the written permission of Esoteric Software (see Section 2 of
* the Spine Software License Agreement), you may not (a) modify, translate,
* adapt, or develop new applications using the Spine Runtimes or otherwise
* create derivative works or improvements of the Spine Runtimes or (b) remove,
* delete, alter, or obscure any trademarks or any copyright, trademark, patent,
* or other intellectual property or proprietary rights notices on or in the
* Software, including any copy thereof. Redistributions in binary or source
* form must include this license and terms.
*
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*****************************************************************************/
namespace Spine {
/// <summary>
/// An attachment which is a single point and a rotation. This can be used to spawn projectiles, particles, etc. A bone can be
/// used in similar ways, but a PointAttachment is slightly less expensive to compute and can be hidden, shown, and placed in a
/// skin.
/// <p>
/// See <a href="http://esotericsoftware.com/spine-point-attachments">Point Attachments</a> in the Spine User Guide.
/// </summary>
public class PointAttachment : Attachment {
internal float x, y, rotation;
public float X { get { return x; } set { x = value; } }
public float Y { get { return y; } set { y = value; } }
public float Rotation { get { return rotation; } set { rotation = value; } }
public PointAttachment (string name)
: base(name) {
}
public void ComputeWorldPosition (Bone bone, out float ox, out float oy) {
bone.LocalToWorld(this.x, this.y, out ox, out oy);
}
public float ComputeWorldRotation (Bone bone) {
float cos = MathUtils.CosDeg(rotation), sin = MathUtils.SinDeg(rotation);
float ix = cos * bone.a + sin * bone.b;
float iy = cos * bone.c + sin * bone.d;
return MathUtils.Atan2(iy, ix) * MathUtils.RadDeg;
}
}
}