74 lines
2.4 KiB
C#
74 lines
2.4 KiB
C#
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// Crest Ocean System
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// Copyright 2020 Wave Harmonic Ltd
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using UnityEngine;
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namespace Crest.Examples
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{
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/// <summary>
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/// Shoves the gameobject around random amounts, occasionally useful for debugging where some motion is required to reproduce an issue.
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/// </summary>
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public class RandomMotion : MonoBehaviour
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{
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/// <summary>
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/// The version of this asset. Can be used to migrate across versions. This value should
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/// only be changed when the editor upgrades the version.
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/// </summary>
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[SerializeField, HideInInspector]
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#pragma warning disable 414
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int _version = 0;
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#pragma warning restore 414
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[Header("Translation")]
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public Vector3 _axis = Vector3.up;
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Vector3 _orthoAxis;
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[Range(0, 15)]
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public float _amplitude = 1f;
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[Range(0, 5)]
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public float _freq = 1f;
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[Range(0, 1)]
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public float _orthogonalMotion = 0f;
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[Header("Rotation")]
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[Range(0, 5)]
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public float _rotationFreq = 1f;
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public float _rotationVel = 0f;
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Vector3 _origin;
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void Start()
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{
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_origin = transform.position;
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_orthoAxis = Quaternion.AngleAxis(90f, Vector3.up) * _axis;
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}
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void Update()
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{
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// Translation
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{
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// Do circles in perlin noise
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float rnd = 2f * (Mathf.PerlinNoise(0.5f + 0.5f * Mathf.Cos(_freq * Time.time), 0.5f + 0.5f * Mathf.Sin(_freq * Time.time)) - 0.5f);
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float orthoPhaseOff = Mathf.PI / 2f;
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float rndOrtho = 2f * (Mathf.PerlinNoise(0.5f + 0.5f * Mathf.Cos(_freq * Time.time + orthoPhaseOff), 0.5f + 0.5f * Mathf.Sin(_freq * Time.time + orthoPhaseOff)) - 0.5f);
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transform.position = _origin + (_axis * rnd + _orthoAxis * rndOrtho * _orthogonalMotion) * _amplitude;
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}
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// Rotation
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{
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var f1 = Mathf.Sin(Time.time * _rotationFreq * 1.0f);
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var f2 = Mathf.Sin(Time.time * _rotationFreq * 0.83f);
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var f3 = Mathf.Sin(Time.time * _rotationFreq * 1.14f);
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transform.rotation *= Quaternion.Euler(
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f1 * _rotationVel * Time.deltaTime,
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f2 * _rotationVel * Time.deltaTime,
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f3 * _rotationVel * Time.deltaTime);
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}
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}
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}
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}
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