2018-04-17 08:05:46 +08:00

107 lines
4.6 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
* Runtimes software and derivative works solely for personal or internal
* 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.
*
* THIS SOFTWARE IS PROVIDED BY ESOTERIC SOFTWARE "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 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 THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*****************************************************************************/
using System.Collections;
using System.Collections.Generic;
using UnityEngine;
namespace Spine.Unity.Examples {
// This is a sample component for C# vertex effects for Spine rendering components.
// Using shaders and materials to control vertex properties is still more performant
// than using this API, but in cases where your vertex effect logic cannot be
// expressed as shader code, these vertex effects can be useful.
public class TwoByTwoTransformEffectExample : MonoBehaviour {
public Vector2 xAxis = new Vector2(1, 0);
public Vector2 yAxis = new Vector2(0, 1);
SkeletonRenderer skeletonRenderer;
void OnEnable () {
skeletonRenderer = GetComponent<SkeletonRenderer>();
if (skeletonRenderer == null) return;
// Use the OnPostProcessVertices callback to modify the vertices at the correct time.
skeletonRenderer.OnPostProcessVertices -= ProcessVertices;
skeletonRenderer.OnPostProcessVertices += ProcessVertices;
Debug.Log("2x2 Transform Effect Enabled.");
}
void ProcessVertices (MeshGeneratorBuffers buffers) {
if (!this.enabled)
return;
int vertexCount = buffers.vertexCount; // For efficiency, limit your effect to the actual mesh vertex count using vertexCount
// Modify vertex positions by accessing Vector3[] vertexBuffer
var vertices = buffers.vertexBuffer;
Vector3 transformedPos = default(Vector3);
for (int i = 0; i < vertexCount; i++) {
Vector3 originalPos = vertices[i];
transformedPos.x = (xAxis.x * originalPos.x) + (yAxis.x * originalPos.y);
transformedPos.y = (xAxis.y * originalPos.x) + (yAxis.y * originalPos.y);
vertices[i] = transformedPos;
}
}
void OnDisable () {
if (skeletonRenderer == null) return;
skeletonRenderer.OnPostProcessVertices -= ProcessVertices;
Debug.Log("2x2 Transform Effect Disabled.");
}
}
}
#if UNITY_EDITOR
[UnityEditor.CustomEditor(typeof(Spine.Unity.Examples.TwoByTwoTransformEffectExample))]
public class TwoByTwoTransformEffectExampleEditor : UnityEditor.Editor {
Spine.Unity.Examples.TwoByTwoTransformEffectExample Target { get { return target as Spine.Unity.Examples.TwoByTwoTransformEffectExample; } }
void OnSceneGUI () {
var transform = Target.transform;
LocalVectorHandle(ref Target.xAxis, transform, Color.red);
LocalVectorHandle(ref Target.yAxis, transform, Color.green);
}
static void LocalVectorHandle (ref Vector2 v, Transform transform, Color color) {
Color originalColor = UnityEditor.Handles.color;
UnityEditor.Handles.color = color;
UnityEditor.Handles.DrawLine(transform.position, transform.TransformPoint(v));
v = transform.InverseTransformPoint(UnityEditor.Handles.FreeMoveHandle(transform.TransformPoint(v), Quaternion.identity, 0.3f, Vector3.zero, UnityEditor.Handles.CubeHandleCap));
UnityEditor.Handles.color = originalColor;
}
}
#endif