2026-04-16 오브젝트 그림자
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skrwns304@gmail.com
351
Assets/UmbraSoftShadows/Runtime/Scripts/UmbraProfile.cs
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351
Assets/UmbraSoftShadows/Runtime/Scripts/UmbraProfile.cs
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using UnityEngine;
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namespace Umbra {
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public enum ShadowSource {
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UnityShadows,
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UmbraShadows,
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OnlyContactShadows
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}
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public enum ContactShadowsInjectionPoint {
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ShadowTexture,
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AfterOpaque
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}
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public enum UmbraPreset {
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[InspectorName("")]
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None = 0,
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Hard = 10,
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Soft = 20,
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Smooth = 30,
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ExtraSmooth = 40,
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Blurred = 50,
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Fast = 60
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}
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public enum BlurType {
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[InspectorName("Gaussian (15 taps, 2 passes)")]
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Gaussian15 = 10,
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[InspectorName("Gaussian (5 taps, 2 passes)")]
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Gaussian5 = 20,
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[InspectorName("Box Blur (9 taps, 1 pass)")]
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Box = 30
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}
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public enum NormalSource {
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ReconstructFromDepth,
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NormalsPass,
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[InspectorName("GBuffer Normals")]
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GBufferNormals
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}
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public enum LoopStep {
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Default,
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x2,
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x3
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}
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public enum Style {
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Default,
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Textured
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}
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[CreateAssetMenu(fileName = "UmbraProfile", menuName = "Umbra Profile", order = 251)]
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[HelpURL("https://kronnect.com/docs/umbra/")]
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public class UmbraProfile : ScriptableObject {
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[Tooltip("Which shadow generation system should be used")]
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public ShadowSource shadowSource = ShadowSource.UmbraShadows;
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[Tooltip("Translates to the number of shadow map samples used to resolve shadows")]
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[Range(1, 64)]
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public int sampleCount = 16;
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[Tooltip("Number of samples to early out if shadow is already fully resolved")]
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[Range(1, 64)]
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public int earlyOutSamples = 32;
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[Tooltip("Size of the directional light which influences the penumbra size")]
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[Range(0f, 32)]
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public float lightSize = 6;
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[Tooltip("Makes shadows sharper nearer to the occluder")]
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public bool enableContactHardening = true;
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[Tooltip("Makes shadows sharper and stronger near the occluder")]
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[Range(0, 1)]
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public float contactStrength = 0.5f;
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[Tooltip("Usual value is 5. Modify to alter the shadow edge appearance.")]
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public float contactStrengthKnee = 0.0001f;
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[Tooltip("Makes shadows smoother when far from occluder")]
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[Range(1, 16)]
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public float distantSpread = 1f;
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[Tooltip("Number of shadow map samples to find occluders which improve the penumbra radius calculation")]
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[Range(1, 64)]
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public int occludersCount = 8;
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[Tooltip("Multiplier to the occluder search radius in texture space. A higher value creates more diffused penumbra.")]
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public float occludersSearchRadius = 8f;
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[Tooltip("Number of blur passes. Each blur pass increases shadow softness but reduces performance.")]
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[Range(0, 3)]
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public int blurIterations;
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[Tooltip("Specifies the blur method. Gaussian blur uses two passes per iteration and produces smoother results.")]
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public BlurType blurType = BlurType.Gaussian15;
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[Tooltip("Blur kerner radius multiplier. Improves softness but can introduce artifacts")]
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[Range(0.5f, 5)]
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public float blurSpread = 1f;
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[Tooltip("Increases the contrast on the shadow border to create sharper shadows when blur is used")]
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[Range(0, 1)]
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public float blurEdgeSharpness;
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[Tooltip("Strength of the edge weight when blurring")]
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public float blurEdgeTolerance = 5f;
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[Tooltip("Reduces blur on distance from camera")]
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public float blurDepthAttenStart = 50;
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[Tooltip("Blur reduction intensity")]
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public float blurDepthAttenLength = 50;
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[Tooltip("Blur reduction when viewing shadow from a grazing angle")]
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[Range(0, 1)]
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public float blurGrazingAttenuation;
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public bool blendCascades;
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[Range(1, 10)]
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public int posterization = 1;
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public float cascade1BlendingStrength = 0.1f;
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public float cascade2BlendingStrength = 0.1f;
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public float cascade3BlendingStrength = 0.1f;
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[Tooltip("Manual adjustment of shadow smoothness multiplier for this cascade")]
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public float cascade1Scale = 1f;
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[Tooltip("Manual adjustment of shadow smoothness multiplier for this cascade")]
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public float cascade2Scale = 1f;
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[Tooltip("Manual adjustment of shadow smoothness multiplier for this cascade")]
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public float cascade3Scale = 1f;
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[Tooltip("Manual adjustment of shadow smoothness multiplier for this cascade")]
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public float cascade4Scale = 1f;
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[Tooltip("Method used to obtain surface normals. Reconstruct from depth is fastest, normals pass is more accurate, and GBuffer normals (deferred only) uses existing GBuffer data.")]
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public NormalSource normalsSource = NormalSource.ReconstructFromDepth;
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/// <summary>
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/// Gets the effective normals source, falling back to ReconstructFromDepth when GBufferNormals is selected but not in deferred mode
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/// </summary>
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public NormalSource effectiveNormalsSource =>
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normalsSource == NormalSource.GBufferNormals && !UmbraSoftShadows.isDeferred
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? NormalSource.ReconstructFromDepth
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: normalsSource;
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[Tooltip("Reduces the number of samples while keeping the shadow size")]
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public LoopStep loopStepOptimization = LoopStep.Default;
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[Tooltip("Resolves shadowmap every two frames, reusing the result from previous frame")]
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public bool frameSkipOptimization;
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[Tooltip("Distance threshold - if camera has moved this distance from previous frame, ignore cached shadowmap")]
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public float skipFrameMaxCameraDisplacement = 0.1f;
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[Tooltip("Rotation threshold - if camera has rotated this angle from previous frame, ignore cached shadowmap")]
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public float skipFrameMaxCameraRotation = 5f;
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[Tooltip("Resolves screen space shadows in a reduced buffer of half of screen size")]
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public bool downsample;
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[Tooltip("Forces a depth prepass so depth and normals are available even for forward-only materials (useful in Deferred when using forward only materials).")]
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public bool forceDepthPrepass;
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[Tooltip("Prevents shadow blurring on geometry edges")]
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public bool preserveEdges = true;
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[Tooltip("Stylized look for shadows")]
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public Style style = Style.Default;
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[Tooltip("Optional mask texture to create stylized shadows")]
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public Texture2D maskTexture;
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public float maskScale = 1f;
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public bool contactShadows;
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[Range(0, 1)]
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public float contactShadowsIntensityMultiplier = 0.85f;
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public ContactShadowsInjectionPoint contactShadowsInjectionPoint = ContactShadowsInjectionPoint.ShadowTexture;
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public ContactShadowsInjectionPoint actualContactShadowsInjectionPoint => shadowSource == ShadowSource.OnlyContactShadows || contactShadowsInjectionPoint == ContactShadowsInjectionPoint.AfterOpaque ? ContactShadowsInjectionPoint.AfterOpaque : contactShadowsInjectionPoint;
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[Range(1, 64)]
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public int contactShadowsSampleCount = 16;
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public float contactShadowsStepping = 0.01f;
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public float contactShadowsThicknessNear = 0.5f;
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public float contactShadowsThicknessDistanceMultiplier;
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public float contactShadowsJitter = 0.3f;
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[Range(0, 1)]
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[Tooltip("Attenuates shadow intensity with distance to occluder")]
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public float contactShadowsDistanceFade = 0.75f;
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public float contactShadowsStartDistance;
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public float contactShadowsStartDistanceFade = 0.01f;
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[Tooltip("Adds an offset to the pixel position to avoid self-occlusion")]
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[Range(0.0001f, 0.25f)]
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public float contactShadowsNormalBias = 0.1f;
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[Tooltip("Attenuates contact shadows on the edges of screen")]
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[Range(0, 0.5f)]
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public float contactShadowsVignetteSize = 0.15f;
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[Tooltip("Adds an offset to the pixel position to avoid self-occlusion")]
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[Range(0f, 1f)]
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public float contactShadowsBias = 0.001f;
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[Tooltip("Bias applied at far distances. Use only if self-shadowing occurs on certain surfaces.")]
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[Range(0, 1)]
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public float contactShadowsBiasFar = 0.4f;
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[Tooltip("Softens the edges of contact shadows. Higher values create softer edges.")]
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[Range(0.01f, 0.5f)]
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public float contactShadowsEdgeSoftness = 0.1f;
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[Tooltip("Enables soft edges for contact shadows. When disabled, shadows have hard edges for better performance.")]
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public bool contactShadowsSoftEdges;
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[Tooltip("Makes contact shadows planar by ignoring the Y component of the light direction. Useful for ground shadows.")]
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public bool contactShadowsPlanarShadows;
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[Tooltip("Adds an extra pass after opaque with custom colored shadows")]
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public bool overlayShadows;
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public float overlayShadowsIntensity = 0.5f;
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[ColorUsage(showAlpha: false, hdr: false)]
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public Color overlayShadowsColor = Color.black;
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[Tooltip("Enables a receiver plane to cast shadows from transparent objects. Check demo scene Transparent Receiver for an example.")]
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public bool transparentReceiverPlane;
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public float receiverPlaneAltitude;
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void OnValidate() {
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blurDepthAttenLength = Mathf.Max(0.001f, blurDepthAttenLength);
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blurEdgeTolerance = Mathf.Max(0, blurEdgeTolerance);
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blurDepthAttenStart = Mathf.Max(0, blurDepthAttenStart);
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blurDepthAttenLength = Mathf.Max(0, blurDepthAttenLength);
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blurGrazingAttenuation = Mathf.Max(0, blurGrazingAttenuation);
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occludersSearchRadius = Mathf.Max(0.01f, occludersSearchRadius);
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contactStrengthKnee = Mathf.Max(0.0001f, contactStrengthKnee);
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cascade1BlendingStrength = Mathf.Max(0.01f, cascade1BlendingStrength);
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cascade2BlendingStrength = Mathf.Max(0.01f, cascade2BlendingStrength);
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cascade3BlendingStrength = Mathf.Max(0.01f, cascade3BlendingStrength);
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cascade1Scale = Mathf.Max(0, cascade1Scale);
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cascade2Scale = Mathf.Max(0, cascade2Scale);
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cascade3Scale = Mathf.Max(0, cascade3Scale);
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cascade4Scale = Mathf.Max(0, cascade4Scale);
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maskScale = Mathf.Max(maskScale, 0);
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skipFrameMaxCameraRotation = Mathf.Max(skipFrameMaxCameraRotation, 0);
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skipFrameMaxCameraDisplacement = Mathf.Max(skipFrameMaxCameraDisplacement, 0);
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contactShadowsStepping = Mathf.Max(0.0001f, contactShadowsStepping);
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contactShadowsThicknessNear = Mathf.Max(0.0f, contactShadowsThicknessNear);
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contactShadowsThicknessDistanceMultiplier = Mathf.Max(0.0f, contactShadowsThicknessDistanceMultiplier);
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contactShadowsJitter = Mathf.Max(0f, contactShadowsJitter);
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contactShadowsStartDistance = Mathf.Max(0, contactShadowsStartDistance);
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contactShadowsStartDistanceFade = Mathf.Max(0.00001f, contactShadowsStartDistanceFade);
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overlayShadowsIntensity = Mathf.Max(0, overlayShadowsIntensity);
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}
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public void ApplyPreset(UmbraPreset preset) {
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shadowSource = ShadowSource.UmbraShadows;
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switch (preset) {
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case UmbraPreset.Fast:
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sampleCount = 12;
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lightSize = 12;
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occludersCount = 6;
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occludersSearchRadius = 5f;
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enableContactHardening = true;
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contactStrength = 0.5f;
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contactStrengthKnee = 0.0001f;
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blurIterations = 0;
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distantSpread = 1f;
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break;
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case UmbraPreset.Hard:
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sampleCount = 1;
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lightSize = 0.5f;
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enableContactHardening = false;
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blurIterations = 1;
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blurType = BlurType.Box;
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blurSpread = 1f;
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blurEdgeTolerance = 5f;
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blurEdgeSharpness = 1f;
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blurDepthAttenStart = 75;
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blurDepthAttenLength = 50;
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blurGrazingAttenuation = 0;
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break;
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case UmbraPreset.Soft:
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sampleCount = 16;
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lightSize = 8;
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enableContactHardening = true;
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occludersCount = 8;
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occludersSearchRadius = 8f;
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contactStrength = 0.5f;
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contactStrengthKnee = 0.0001f;
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distantSpread = 1f;
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blurIterations = 0;
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break;
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case UmbraPreset.Smooth:
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sampleCount = 16;
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lightSize = 13;
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enableContactHardening = true;
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occludersCount = 9;
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occludersSearchRadius = 8f;
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contactStrength = 0.5f;
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contactStrengthKnee = 0.0001f;
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distantSpread = 1.2f;
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blurIterations = 0;
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break;
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case UmbraPreset.ExtraSmooth:
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sampleCount = 20;
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lightSize = 16;
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enableContactHardening = true;
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occludersCount = 16;
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occludersSearchRadius = 10;
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contactStrength = 0.8f;
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contactStrengthKnee = 0.0001f;
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distantSpread = 1.4f;
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blurIterations = 0;
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break;
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case UmbraPreset.Blurred:
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sampleCount = 32;
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lightSize = 16;
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enableContactHardening = true;
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occludersCount = 24;
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occludersSearchRadius = 16;
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contactStrength = 0.4f;
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contactStrengthKnee = 0.0001f;
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blurIterations = 0;
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distantSpread = 2f;
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break;
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}
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}
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}
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}
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