From df84ee7e568fa500fec7b1865b966345b814e68f Mon Sep 17 00:00:00 2001 From: chai Date: Wed, 21 Oct 2020 22:51:18 +0800 Subject: =?UTF-8?q?+=20=E6=AE=8B=E5=BD=B1=E7=89=B9=E6=95=88?= MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit --- Assets/Scripts/Effects/AfterImageEffects.cs | 186 ++++++++++++++++++++++++++++ 1 file changed, 186 insertions(+) create mode 100644 Assets/Scripts/Effects/AfterImageEffects.cs (limited to 'Assets/Scripts/Effects/AfterImageEffects.cs') diff --git a/Assets/Scripts/Effects/AfterImageEffects.cs b/Assets/Scripts/Effects/AfterImageEffects.cs new file mode 100644 index 00000000..a19be897 --- /dev/null +++ b/Assets/Scripts/Effects/AfterImageEffects.cs @@ -0,0 +1,186 @@ +using UnityEngine; +using System.Collections; +using System.Collections.Generic; +/// +/// 残影特效 +/// +public class AfterImageEffects : MonoBehaviour +{ + + public Material[] materials = new Material[8]; + + //开启残影 + public bool _OpenAfterImage; + + //残影颜色 + public Color _AfterImageColor = Color.black; + //残影的生存时间 + public float _SurvivalTime = 1; + //生成残影的间隔时间 + public float _IntervalTime = 0.2f; + private float _Time = 0; + //残影初始透明度 + [Range(0.1f, 1.0f)] + public float _InitialAlpha = 1.0f; + + private List _AfterImageList; + private SkinnedMeshRenderer _SkinnedMeshRenderer; + + void Awake() + { + _AfterImageList = new List(); + _SkinnedMeshRenderer = GetComponent(); + } + void Update() + { + if (_OpenAfterImage && _AfterImageList != null) + { + if (_SkinnedMeshRenderer == null) + { + _OpenAfterImage = false; + return; + } + + _Time += Time.deltaTime; + //生成残影 + CreateAfterImage(); + //刷新残影 + UpdateAfterImage(); + } + } + /// + /// 生成残影 + /// + void CreateAfterImage() + { + //生成残影 + if (_Time >= _IntervalTime) + { + _Time = 0; + + Mesh mesh = new Mesh(); + _SkinnedMeshRenderer.BakeMesh(mesh); + + Material material = new Material(_SkinnedMeshRenderer.material); + // SetMaterialRenderingMode(material, RenderingMode.Fade); + + _AfterImageList.Add(new AfterImage( + mesh, + material, + transform.localToWorldMatrix, + _InitialAlpha, + Time.realtimeSinceStartup, + _SurvivalTime)); + } + } + /// + /// 刷新残影 + /// + void UpdateAfterImage() + { + //刷新残影，根据生存时间销毁已过时的残影 + for (int i = 0; i < _AfterImageList.Count; i++) + { + float _PassingTime = Time.realtimeSinceStartup - _AfterImageList[i]._StartTime; + + if (_PassingTime > _AfterImageList[i]._Duration) + { + _AfterImageList.Remove(_AfterImageList[i]); + Destroy(_AfterImageList[i]); + continue; + } + + if (_AfterImageList[i]._Material.HasProperty("_Color")) + { + _AfterImageList[i]._Alpha *= (1 - _PassingTime / _AfterImageList[i]._Duration); + _AfterImageColor.a = _AfterImageList[i]._Alpha; + // _AfterImageList[i]._Material.SetColor("_Color", _AfterImageColor); + } + + // 绘制submesh + for(int j = 0; j < _AfterImageList[i]._Mesh.subMeshCount; ++j) + { + if (j >= 4) continue; + Graphics.DrawMesh(_AfterImageList[i]._Mesh, _AfterImageList[i]._Matrix, /*_AfterImageList[i]._Material*/materials[j], gameObject.layer, null, j); + } + } + } + /// + /// 设置纹理渲染模式 + /// + void SetMaterialRenderingMode(Material material, RenderingMode renderingMode) + { + switch (renderingMode) + { + case RenderingMode.Opaque: + material.SetInt("_SrcBlend", (int)UnityEngine.Rendering.BlendMode.One); + material.SetInt("_DstBlend", (int)UnityEngine.Rendering.BlendMode.Zero); + material.SetInt("_ZWrite", 1); + material.DisableKeyword("_ALPHATEST_ON"); + material.DisableKeyword("_ALPHABLEND_ON"); + material.DisableKeyword("_ALPHAPREMULTIPLY_ON"); + material.renderQueue = -1; + break; + case RenderingMode.Cutout: + material.SetInt("_SrcBlend", (int)UnityEngine.Rendering.BlendMode.One); + material.SetInt("_DstBlend", (int)UnityEngine.Rendering.BlendMode.Zero); + material.SetInt("_ZWrite", 1); + material.EnableKeyword("_ALPHATEST_ON"); + material.DisableKeyword("_ALPHABLEND_ON"); + material.DisableKeyword("_ALPHAPREMULTIPLY_ON"); + material.renderQueue = 2450; + break; + case RenderingMode.Fade: + material.SetInt("_SrcBlend", (int)UnityEngine.Rendering.BlendMode.SrcAlpha); + material.SetInt("_DstBlend", (int)UnityEngine.Rendering.BlendMode.OneMinusSrcAlpha); + material.SetInt("_ZWrite", 0); + material.DisableKeyword("_ALPHATEST_ON"); + material.EnableKeyword("_ALPHABLEND_ON"); + material.DisableKeyword("_ALPHAPREMULTIPLY_ON"); + material.renderQueue = 3000; + break; + case RenderingMode.Transparent: + material.SetInt("_SrcBlend", (int)UnityEngine.Rendering.BlendMode.One); + material.SetInt("_DstBlend", (int)UnityEngine.Rendering.BlendMode.OneMinusSrcAlpha); + material.SetInt("_ZWrite", 0); + material.DisableKeyword("_ALPHATEST_ON"); + material.DisableKeyword("_ALPHABLEND_ON"); + material.EnableKeyword("_ALPHAPREMULTIPLY_ON"); + material.renderQueue = 3000; + break; + } + } +} +public enum RenderingMode +{ + Opaque, + Cutout, + Fade, + Transparent, +} +class AfterImage : Object +{ + //残影网格 + public Mesh _Mesh; + //残影纹理 + public Material _Material; + //残影位置 + public Matrix4x4 _Matrix; + //残影透明度 + public float _Alpha; + //残影启动时间 + public float _StartTime; + //残影保留时间 + public float _Duration; + + public AfterImage(Mesh mesh, Material material, Matrix4x4 matrix4x4, float alpha, float startTime, float duration) + { + _Mesh = mesh; + _Material = material; + _Matrix = matrix4x4; + _Alpha = alpha; + _StartTime = startTime; + _Duration = duration; + } + +} \ No newline at end of file -- cgit v1.1-26-g67d0