211 lines
8.4 KiB
C#
211 lines
8.4 KiB
C#
using UnityEngine;
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namespace AibisDream.MiniGame.Language
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{
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/// <summary>
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/// 波形点：管理单个波形点的状态和动画
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/// </summary>
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public class WaveformPoint
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{
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// 位置
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public float x; // X坐标（跟随文字）
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public float y; // 当前Y坐标
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public float targetY; // 目标Y坐标（规律波形）
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public float smoothedY; // 平滑后的Y坐标
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// 噪声参数
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public float noiseOffset; // 噪声偏移
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public float noiseScale1; // 噪声缩放1（低频）
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public float noiseScale2; // 噪声缩放2（中频）
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public float noiseScale3; // 噪声缩放3（高频）
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public float noiseAmplitude; // 噪声振幅
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public float noiseTime; // 噪声时间偏移
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// 抚平状态
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public float resistance; // 抵抗力（0-1，越高越难抚平）
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public float calmAmount; // 当前被抚平的程度（0-1）
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public bool isBeingCalmed; // 是否正在被抚平
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public float calmTimer; // 抚平计时器
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// 关联
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public CandidateParticle particle; // 关联的文字粒子
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public int particleIndex; // 粒子索引
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// 脉冲动画
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public float pulseProgress; // 脉冲进度（0-1）
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public WaveformPoint(float x, float baseY, float amplitude, int index, CandidateParticle particle)
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{
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this.x = x;
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this.particle = particle;
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this.particleIndex = index;
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// 初始化噪声参数
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noiseScale1 = 0.05f;
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noiseScale2 = 0.15f;
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noiseScale3 = 0.4f;
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noiseAmplitude = Random.Range(0.7f, 1f);
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noiseOffset = Random.Range(-0.2f, 0.2f);
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noiseTime = Random.Range(0f, 1000f);
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// 计算初始Y（噪波）
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float combinedNoise = GenerateNoise(Time.time);
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y = baseY + combinedNoise * amplitude;
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smoothedY = y;
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// 计算目标Y（规律波形）
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float targetWavePhase = index * 0.3f;
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float targetWaveAmplitude = amplitude * 0.3f;
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targetY = baseY + Mathf.Sin(targetWavePhase) * targetWaveAmplitude;
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// 计算异常程度和抵抗力
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float anomalyAmount = Mathf.Abs(y - targetY) / amplitude;
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resistance = 0.1f + anomalyAmount * 0.25f;
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calmAmount = 0f;
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isBeingCalmed = false;
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calmTimer = 0f;
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pulseProgress = 0f;
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}
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/// <summary>
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/// 生成多层Perlin噪声
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/// </summary>
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private float GenerateNoise(float time)
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{
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// 使用多层噪声叠加
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float noiseValue1 = Mathf.PerlinNoise(x * noiseScale1, time * 0.01f);
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float noiseValue2 = Mathf.PerlinNoise(x * noiseScale2, time * 0.02f + 100f);
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float noiseValue3 = Mathf.PerlinNoise(x * noiseScale3, time * 0.03f + 200f);
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// 映射到[-1, 1]范围
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noiseValue1 = (noiseValue1 - 0.5f) * 2f;
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noiseValue2 = (noiseValue2 - 0.5f) * 2f * 0.6f;
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noiseValue3 = (noiseValue3 - 0.5f) * 2f * 0.3f;
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// 叠加
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float combinedNoise = noiseValue1 + noiseValue2 + noiseValue3 + noiseOffset;
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return Mathf.Clamp(combinedNoise * noiseAmplitude, -1.5f, 1.5f);
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}
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/// <summary>
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/// 更新波形点（动态噪波、交互、抚平）
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/// </summary>
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public void Update(float baseY, float amplitude, Vector2 mousePos, bool mousePressed, float mouseDragSpeed, float interactionRadius)
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{
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// 同步X位置（跟随文字）
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if (particle != null)
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{
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x = particle.transform.position.x;
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// 更新目标位置
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float targetWavePhase = particleIndex * 0.3f;
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float targetWaveAmplitude = amplitude * 0.3f;
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targetY = baseY + Mathf.Sin(targetWavePhase) * targetWaveAmplitude;
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}
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// 重置状态
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isBeingCalmed = false;
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// 如果未抚平，添加动态噪波
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if (calmAmount < 0.9f)
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{
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float currentTime = Time.time + noiseTime * 0.001f;
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float dynamicNoise = GenerateNoise(currentTime);
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// 根据抚平程度减少噪波强度
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float noiseIntensity = (1 - calmAmount) * amplitude;
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smoothedY = y + dynamicNoise * noiseIntensity;
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}
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// 处理鼠标交互
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if (mousePressed)
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{
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float distToMouse = Vector2.Distance(mousePos, new Vector2(x, smoothedY));
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if (distToMouse < interactionRadius)
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{
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// 计算影响强度
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float distanceInfluence = Mathf.Lerp(1f, 0f, distToMouse / interactionRadius);
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float speedBonus = Mathf.Min(1f, mouseDragSpeed / 0.25f); // 拖动速度加成
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float influence = distanceInfluence * (0.5f + speedBonus * 0.5f);
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// 标记为正在被抚平
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isBeingCalmed = true;
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calmTimer += Time.deltaTime;
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// 需要持续按住才能抚平（抵抗机制）
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float requiredTime = 0.5f + resistance * 1f; // 需要0.5-1.5秒
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float calmProgressLocal = Mathf.Min(1f, calmTimer / requiredTime);
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// 应用抚平效果（考虑抵抗力）
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float calmStrength = influence * (1 - resistance) * 0.15f;
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// 计算目标位置（从噪波位置向规律波形位置过渡）
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float targetYLerp = Mathf.Lerp(y, targetY, calmProgressLocal);
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smoothedY = Mathf.Lerp(smoothedY, targetYLerp, calmStrength);
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// 更新抚平程度（一旦抚平，就不会恢复）
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if (calmProgressLocal > calmAmount)
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{
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calmAmount = calmProgressLocal;
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}
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// 如果完全抚平
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if (calmAmount >= 0.95f)
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{
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calmAmount = 1f;
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smoothedY = targetY;
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}
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}
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}
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// 如果calmAmount接近1，强制向目标位置靠拢
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if (calmAmount > 0.8f)
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{
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float forceStrength = Mathf.Lerp(0.1f, 0.5f, (calmAmount - 0.8f) / 0.2f);
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smoothedY = Mathf.Lerp(smoothedY, targetY, forceStrength);
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}
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// 如果完全抚平，直接设置为目标位置
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if (calmAmount >= 1f)
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{
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smoothedY = targetY;
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}
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// 限制波形点不会完全超出范围
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float maxDeviation = amplitude * (1 - calmAmount * 0.8f);
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smoothedY = Mathf.Clamp(smoothedY, baseY - maxDeviation, baseY + maxDeviation);
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// 同步更新对应文字粒子的平静进度
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if (particle != null)
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{
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particle.calmProgress = calmAmount;
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// 如果完全抚平，标记为已稳定
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if (calmAmount >= 0.95f && !particle.isCalmed)
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{
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particle.isCalmed = true;
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particle.isStatic = true;
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particle.changeSpeedMultiplier = 0;
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particle.dissolveProgress = 0;
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}
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// 如果已抚平，检查波形是否完全稳定
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if (particle.isCalmed)
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{
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float distanceToTarget = Mathf.Abs(smoothedY - targetY);
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float stabilityThreshold = amplitude * 0.05f;
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if (distanceToTarget < stabilityThreshold)
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{
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// 波形已稳定，开始消散
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float dissolveSpeed = 0.02f + (calmAmount - 0.95f) * 0.15f;
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particle.dissolveProgress = Mathf.Min(1f, particle.dissolveProgress + dissolveSpeed * Time.deltaTime * 50f);
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}
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}
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}
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}
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}
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}
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