103 lines
3.3 KiB
C#
103 lines
3.3 KiB
C#
using System;
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using MoreMountains.Feedbacks;
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using Sirenix.OdinInspector;
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using SLSUtilities.Feedback;
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using UnityEngine;
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namespace Cielonos.MainGame.Effects.Feedback
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{
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/// <summary>
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/// 摄像机位移震动反馈，通过 MMCinemachinePositionShakeEvent 触发现有的 Shaker。
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/// Shaker 负责处理多个震动的叠加混合。
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/// </summary>
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[Serializable]
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public class CameraPositionShakeAction : FeedbackActionBase
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{
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public override string DisplayName => "Camera Position Shake";
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/// <summary>
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/// 震动曲线，定义震动强度随时间的变化。
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/// </summary>
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[Title("Position Shake")]
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[LabelText("Shake Curve")]
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public AnimationCurve shakeCurve = new AnimationCurve(
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new Keyframe(0f, 0f),
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new Keyframe(0.2f, 1f),
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new Keyframe(1f, 0f)
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);
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/// <summary>
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/// 最大位移振幅（本地空间）。
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/// </summary>
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[LabelText("Amplitude")]
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public Vector3 positionAmplitude = new Vector3(0.5f, 0.5f, 0f);
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/// <summary>
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/// 方向影响设置。
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/// </summary>
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[Title("Direction")]
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public CameraDirectionSettings directionSettings = new CameraDirectionSettings();
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/// <summary>
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/// 距离衰减：根据摄像机与 owner 的距离衰减震动强度。
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/// </summary>
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[Title("Distance Attenuation")]
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[LabelText("Use Attenuation")]
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public bool useAttenuation;
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/// <summary>
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/// 全强度的最大距离。
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/// </summary>
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[ShowIf("useAttenuation")]
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[LabelText("Attenuation Range")]
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public float attenuationRange = 50f;
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/// <summary>
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/// 距离-强度衰减曲线（0=近处/全强度，1=远处/无强度）。
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/// </summary>
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[ShowIf("useAttenuation")]
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[LabelText("Attenuation Curve")]
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public AnimationCurve attenuationCurve = new AnimationCurve(
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new Keyframe(0f, 1f),
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new Keyframe(1f, 0f)
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);
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public override void OnStart(FeedbackContext context)
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{
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Vector3 finalAmplitude = directionSettings.TransformAmplitude(positionAmplitude, context.owner);
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float intensityMultiplier = ComputeAttenuation(context);
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MMCinemachinePositionShakeEvent.Trigger(
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null,
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shakeCurve,
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context.duration,
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finalAmplitude,
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intensityMultiplier
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);
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}
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public override void OnInterrupt(FeedbackContext context)
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{
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MMCinemachinePositionShakeEvent.Trigger(
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null, shakeCurve, 0f, Vector3.zero, 0f,
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stop: true
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);
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}
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/// <summary>
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/// 计算距离衰减系数。
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/// </summary>
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private float ComputeAttenuation(FeedbackContext context)
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{
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if (!useAttenuation || context.owner == null) return 1f;
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Camera mainCamera = Camera.main;
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if (mainCamera == null) return 1f;
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float distance = Vector3.Distance(context.owner.position, mainCamera.transform.position);
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float normalizedDistance = Mathf.Clamp01(distance / attenuationRange);
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return attenuationCurve.Evaluate(normalizedDistance);
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}
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}
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}
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