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using System.Collections;
using System.Collections.Generic;
using UnityEngine;
public class UnitImageEffectHolder
{
public float size;
public GameObject gameObject;
public MeshRenderer renderer
{
get
{
if (gameObject == null)
return null;
return gameObject.GetComponent<MeshRenderer>();
}
}
}
public delegate void UnitImageEffectStepCallback(float normalizedTime);
public class UnitImageEffectHandle
{
public float lifeTime;
public float curTime;
public UnitImageEffectHolder holder;
public UnitImageEffectStepCallback stepFunc;
}
//Unit后处理效果
public class UnitImageEffect : UnitComponent
{
public List<UnitImageEffectHandle> effects = new List<UnitImageEffectHandle>();
public static GameObject effectPlane;
private Dictionary<float/*size*/, List<UnitImageEffectHolder>/*pool*/> m_HolderPool = new Dictionary<float, List<UnitImageEffectHolder>>();
public override void OnUpdate()
{
base.OnUpdate();
List<UnitImageEffectHandle> temp = ListPool<UnitImageEffectHandle>.Get();
for(int i = 0; i < effects.Count; ++i)
{
var handle = effects[i];
handle.curTime += Time.deltaTime;
if(handle.curTime > handle.lifeTime)
{
temp.Add(handle);
continue;
}
handle.stepFunc?.Invoke(handle.curTime / handle.lifeTime);
}
for(int j = 0; j < temp.Count; j++)
{
temp[j].holder.gameObject.SetActive(false);
ReleaseHolder(ref temp[j].holder);
effects.Remove(temp[j]);
}
ListPool<UnitImageEffectHandle>.Release(temp);
}
UnitImageEffectHolder ClaimHolder(float size)
{
List<UnitImageEffectHolder> holders;
if (m_HolderPool.TryGetValue(size, out holders))
{
if (holders.Count > 0)
{
var holder = holders[holders.Count - 1];
holders.RemoveAt(holders.Count - 1);
return holder;
}
}
UnitImageEffectHolder newHolder = new UnitImageEffectHolder();
newHolder.size = size;
Mesh mesh = new Mesh();
mesh.vertices = new Vector3[4] {
new Vector3(-size/2, size/2, 0),
new Vector3(size/2, size/2, 0),
new Vector3(size/2, -size/2, 0),
new Vector3(-size/2, -size/2, 0)
};
mesh.uv = new Vector2[4] {
new Vector2(0, 1),
new Vector2(1, 1),
new Vector2(1, 0),
new Vector2(0, 0),
};
mesh.triangles = new int[6] {
0, 1, 3,
1, 2, 3,
};
mesh.UploadMeshData(true);
newHolder.gameObject = new GameObject("Image Effect Holder(" + size + "m)");
MeshFilter filter = newHolder.gameObject.AddComponent<MeshFilter>();
filter.sharedMesh = mesh;
MeshRenderer renderer = newHolder.gameObject.AddComponent<MeshRenderer>();
renderer.lightProbeUsage = UnityEngine.Rendering.LightProbeUsage.Off;
renderer.shadowCastingMode = UnityEngine.Rendering.ShadowCastingMode.Off;
renderer.receiveShadows = false;
renderer.reflectionProbeUsage = UnityEngine.Rendering.ReflectionProbeUsage.Off;
renderer.motionVectorGenerationMode = MotionVectorGenerationMode.ForceNoMotion;
renderer.allowOcclusionWhenDynamic = false;
return newHolder;
}
void ReleaseHolder(ref UnitImageEffectHolder holder)
{
float size = holder.size;
List<UnitImageEffectHolder> holders;
if (!m_HolderPool.TryGetValue(size, out holders))
{
holders = new List<UnitImageEffectHolder>();
m_HolderPool.Add(size, holders);
}
holder.gameObject.SetActive(false);
holder.gameObject.transform.position = Vector3.zero;
holders.Add(holder);
holder = null;
}
#region effects
public void ShowMotionBlur(float lifeTime, float angle, float distance)
{
UnitImageEffectHandle handle = new UnitImageEffectHandle();
handle.lifeTime = lifeTime;
handle.curTime = 0;
float size = UnitManager.Instance.pc.unitDetail.snapshotBound;
handle.holder = ClaimHolder(size);
handle.holder.gameObject.SetActive(true);
string matPath = ResourceManager.Instance.imageEffectMaterails[ResourceManager.EImageEffectMaterails.MotionBlur];
handle.holder.renderer.sharedMaterial = ResourceManager.Instance.LoadAsset<Material>(matPath);
MaterialPropertyBlock block = new MaterialPropertyBlock();
handle.holder.renderer.GetPropertyBlock(block);
block.SetFloat("_Angle", angle);
block.SetFloat("_Distance", distance);
handle.holder.renderer.SetPropertyBlock(block);
handle.stepFunc = (float normalTime) =>
{
handle.holder.gameObject.transform.position = UnitManager.Instance.pc.center;
handle.holder.renderer.GetPropertyBlock(block);
block.SetFloat("_Distance", (normalTime) * distance);
handle.holder.renderer.SetPropertyBlock(block);
};
effects.Add(handle);
}
#endregion
}
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