fix：1、添加项目

2026-04-22 09:52:55 +08:00
commit 173cfb2dc9
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+/******************************************************************************
+ * Spine Runtimes License Agreement
+ * Last updated January 1, 2020. Replaces all prior versions.
+ *
+ * Copyright (c) 2013-2020, Esoteric Software LLC
+ *
+ * Integration of the Spine Runtimes into software or otherwise creating
+ * derivative works of the Spine Runtimes is permitted under the terms and
+ * conditions of Section 2 of the Spine Editor License Agreement:
+ * http://esotericsoftware.com/spine-editor-license
+ *
+ * Otherwise, it is permitted to integrate the Spine Runtimes into software
+ * or otherwise create derivative works of the Spine Runtimes (collectively,
+ * "Products"), provided that each user of the Products must obtain their own
+ * Spine Editor license and redistribution of the Products in any form must
+ * include this license and copyright notice.
+ *
+ * THE SPINE RUNTIMES ARE PROVIDED BY ESOTERIC SOFTWARE LLC "AS IS" AND ANY
+ * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL ESOTERIC SOFTWARE LLC BE LIABLE FOR ANY
+ * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES,
+ * BUSINESS INTERRUPTION, OR LOSS OF USE, DATA, OR PROFITS) HOWEVER CAUSED AND
+ * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+ * THE SPINE RUNTIMES, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *****************************************************************************/
+
+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;
+		}
+
+		public override Attachment Copy () {
+			PointAttachment copy = new PointAttachment(this.Name);
+			copy.x = x;
+			copy.y = y;
+			copy.rotation = rotation;
+			return copy;
+		}
+	}
+}