86 lines
3.4 KiB
C#
86 lines
3.4 KiB
C#
using Echovoid.Runtime.Behavior.Rendering;
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using UnityEngine;
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using UnityEngine.Rendering;
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using UnityEngine.Rendering.Universal;
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namespace SLSUtilities.Rendering.PostProcessing
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{
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[System.Serializable, VolumeComponentMenu("SLS/Postprocessing/Advanced Chromatic Aberration")]
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public class AdvancedChromaticAberration : ScriptablePostProcessorVolume
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{
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// 建议放在 PostProcess 之后，作为最终的镜头效果
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public override CustomPostProcessInjectionPoint InjectionPoint => CustomPostProcessInjectionPoint.AfterPostProcess;
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public override int OrderInInjectionPoint => 20;
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[Header("Main Settings")]
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[Tooltip("色散总强度")]
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public ClampedFloatParameter intensity = new(0f, 0f, 1f);
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[Tooltip("扩散中心点 (0.5, 0.5 为屏幕中心)")]
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public Vector2Parameter center = new(new Vector2(0.5f, 0.5f));
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[Tooltip("RGB 分离权重。控制每个通道向外扩散的程度。\n例如 (1, 0, -1) 会让红蓝向相反方向分离，绿色不动。")]
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public Vector3Parameter channelSplit = new(new Vector3(1f, 0f, -1f));
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[Header("Dispersion Map (Broken Glass/Glitch)")]
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[Tooltip("输入的噪波贴图，用于打乱色散的方向")]
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public TextureParameter dispersionMap = new(null);
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[Tooltip("贴图对色散方向的影响力")]
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public ClampedFloatParameter dispersionStrength = new(0f, 0f, 2f);
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[Header("Jitter (Temporal Instability)")]
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[Tooltip("UV 采样抖动强度")]
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public ClampedFloatParameter jitterIntensity = new(0f, 0f, 1f);
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[Tooltip("抖动速度")]
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public FloatParameter jitterSpeed = new(10f);
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[Header("Masking")]
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[Tooltip("中心保留清晰的半径 (0-1)")]
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public ClampedFloatParameter maskRadius = new(0.2f, 0f, 1f);
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[Tooltip("遮罩边缘的软硬度")]
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public ClampedFloatParameter maskHardness = new(0.2f, 0.01f, 1f);
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public override string GetShaderName() => "SLS/Postprocessing/AdvancedChromaticAberration";
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public override void Render(CommandBuffer cmd, ref RenderingData renderingData, RTHandle source, RTHandle destination)
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{
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if (material == null) return;
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// Pack Params 1
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Vector4 p1 = new Vector4(
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intensity.value,
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center.value.x,
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center.value.y,
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maskRadius.value
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);
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// Pack Params 2
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Vector4 p2 = new Vector4(
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jitterIntensity.value,
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jitterSpeed.value,
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dispersionStrength.value,
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maskHardness.value
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);
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material.SetVector(InternalShaderHelpers.ID._ACA_Params1, p1);
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material.SetVector(InternalShaderHelpers.ID._ACA_Params2, p2);
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material.SetVector(InternalShaderHelpers.ID._ACA_Split, channelSplit.value);
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if (dispersionMap.value != null)
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{
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material.SetTexture(InternalShaderHelpers.ID._DispersionMap, dispersionMap.value);
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}
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Blitter.BlitCameraTexture(cmd, source, destination, material, 0);
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}
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public override bool IsActive()
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{
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// 只要有强度，或者有抖动，就需要渲染
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return intensity.value > 0f || jitterIntensity.value > 0f;
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}
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}
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} |