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82 行
3.9 KiB
82 行
3.9 KiB
using UnityEngine;
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using System;
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namespace Cinemachine
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{
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/// <summary>
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/// This is an asset that defines a noise profile. A noise profile is the
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/// shape of the noise as a function of time. You can build arbitrarily complex shapes by
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/// combining different base perlin noise frequencies at different amplitudes.
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///
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/// The frequencies and amplitudes should be chosen with care, to ensure an interesting
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/// noise quality that is not obviously repetitive.
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///
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/// As a mathematical side-note, any arbitrary periodic curve can be broken down into a
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/// series of fixed-amplitude sine-waves added together. This is called fourier decomposition,
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/// and is the basis of much signal processing. It doesn't really have much to do with this
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/// asset, but it's super interesting!
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/// </summary>
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[DocumentationSorting(9, DocumentationSortingAttribute.Level.UserRef)]
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public sealed class NoiseSettings : ScriptableObject
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{
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/// <summary>
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/// Describes the behaviour for a channel of noise
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/// </summary>
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[DocumentationSorting(9.1f, DocumentationSortingAttribute.Level.UserRef)]
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[Serializable]
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public struct NoiseParams
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{
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/// <summary>The amplitude of the noise for this channel. Larger numbers vibrate higher</summary>
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[Tooltip("The amplitude of the noise for this channel. Larger numbers vibrate higher.")]
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public float Amplitude;
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/// <summary>The frequency of noise for this channel. Higher magnitudes vibrate faster</summary>
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[Tooltip("The frequency of noise for this channel. Higher magnitudes vibrate faster.")]
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public float Frequency;
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}
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/// <summary>
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/// Contains the behaviour of noise for the noise module for all 3 cardinal axes of the camera
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/// </summary>
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[DocumentationSorting(9.2f, DocumentationSortingAttribute.Level.UserRef)]
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[Serializable]
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public struct TransformNoiseParams
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{
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/// <summary>Noise definition for X-axis</summary>
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[Tooltip("Noise definition for X-axis")]
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public NoiseParams X;
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/// <summary>Noise definition for Y-axis</summary>
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[Tooltip("Noise definition for Y-axis")]
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public NoiseParams Y;
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/// <summary>Noise definition for Z-axis</summary>
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[Tooltip("Noise definition for Z-axis")]
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public NoiseParams Z;
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}
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[SerializeField]
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[Tooltip("These are the noise channels for the virtual camera's position. Convincing noise setups typically mix low, medium and high frequencies together, so start with a size of 3")]
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private TransformNoiseParams[] m_Position = new TransformNoiseParams[0];
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/// <summary>
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/// Gets the array of positional noise channels for this <c>NoiseSettings</c>
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/// </summary>
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public TransformNoiseParams[] PositionNoise { get { return m_Position; } }
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[SerializeField]
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[Tooltip("These are the noise channels for the virtual camera's orientation. Convincing noise setups typically mix low, medium and high frequencies together, so start with a size of 3")]
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private TransformNoiseParams[] m_Orientation = new TransformNoiseParams[0];
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/// <summary>
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/// Gets the array of orientation noise channels for this <c>NoiseSettings</c>
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/// </summary>
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public TransformNoiseParams[] OrientationNoise { get { return m_Orientation; } }
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/// <summary>Clones the contents of the other asset into this one</summary>
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public void CopyFrom(NoiseSettings other)
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{
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m_Position = new TransformNoiseParams[other.m_Position.Length];
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other.m_Position.CopyTo(m_Position, 0);
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m_Orientation = new TransformNoiseParams[other.m_Orientation.Length];
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other.m_Orientation.CopyTo(m_Orientation, 0);
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}
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}
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}
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