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80 lines
2.2 KiB
C#
80 lines
2.2 KiB
C#
/******************************************************************************/
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/*
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Project - Boing Kit
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Publisher - Long Bunny Labs
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http://LongBunnyLabs.com
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Author - Ming-Lun "Allen" Chou
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http://AllenChou.net
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*/
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/******************************************************************************/
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using UnityEngine;
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namespace MudBun
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{
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public class MudFloater : MonoBehaviour
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{
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[Range(0.0f, 10.0f)] public float Hover = 1.0f;
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[Range(0.0f, 10.0f)] public float Omega = 1.0f; // angular velocity in radians
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public bool UseLocalSpace = false;
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private Vector3 m_hoverCenter;
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private Quaternion m_hoverRot;
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private float m_hoverPhase;
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public enum RandomSeedEnum
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{
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Random,
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Position,
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Custom
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}
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public RandomSeedEnum RandomSeed = RandomSeedEnum.Random;
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[ConditionalField("RandomSeed", (int) RandomSeedEnum.Random, Label = " Value")] public int CustomRandomSeed = 0;
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void Start()
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{
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m_hoverCenter = UseLocalSpace ? transform.localPosition : transform.position;
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m_hoverRot = UseLocalSpace ? transform.localRotation : transform.rotation;
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switch (RandomSeed)
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{
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case RandomSeedEnum.Position:
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Random.InitState(Codec.Hash(transform.position));
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break;
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case RandomSeedEnum.Custom:
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Random.InitState(CustomRandomSeed);
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break;
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}
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m_hoverPhase = Random.value * 1000.0f;
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}
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private void OnEnable()
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{
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Start();
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}
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void FixedUpdate()
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{
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m_hoverPhase += Omega * Time.deltaTime;
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Vector3 hoverVec =
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0.05f * Mathf.Sin(1.37f * m_hoverPhase) * Vector3.right
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+ 0.05f * Mathf.Sin(1.93f * m_hoverPhase + 1.234f) * Vector3.forward
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+ 0.04f * Mathf.Sin(0.97f * m_hoverPhase + 4.321f) * Vector3.up;
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hoverVec *= Hover;
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Quaternion hoverQuat = Quaternion.FromToRotation(Vector3.up, hoverVec + Vector3.up);
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if (UseLocalSpace)
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{
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transform.localPosition = m_hoverCenter + hoverVec;
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transform.localRotation = m_hoverRot * hoverQuat;
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}
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else
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{
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transform.position = m_hoverCenter + hoverVec;
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transform.rotation = m_hoverRot * hoverQuat;
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}
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}
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}
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}
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