109 lines
3.8 KiB
C#
109 lines
3.8 KiB
C#
// Crest Water System
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// Copyright © 2024 Wave Harmonic. All rights reserved.
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using UnityEngine;
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using WaveHarmonic.Crest.Internal;
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namespace WaveHarmonic.Crest.Watercraft
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{
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/// <summary>
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/// A simple watercraft controlller.
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/// </summary>
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[@HelpURL("Manual/FloatingObjects.html#movement-controller")]
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[AddComponentMenu(Constants.k_MenuPrefixPhysics + "Watercraft Controller")]
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public sealed partial class Controller : ManagedBehaviour<WaterRenderer>
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{
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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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[Tooltip("The accompanied buoyancy script.")]
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[@GenerateAPI]
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[@DecoratedField, SerializeField]
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FloatingObject _FloatingObject;
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[Tooltip("The accompanied control script to take input from.")]
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[@GenerateAPI]
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[@DecoratedField, SerializeField]
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Control _Control;
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[Tooltip("Vertical offset from the center of mass for where move force should be applied.")]
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[@GenerateAPI]
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[@DecoratedField, SerializeField]
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float _ForceHeightOffset;
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[Tooltip("How quickly the watercraft moves from thrust.")]
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[@GenerateAPI]
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[@DecoratedField, SerializeField]
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float _ThrustPower = 10f;
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[Tooltip("How quickly the watercraft turns from steering.")]
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[@GenerateAPI]
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[@DecoratedField, SerializeField]
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float _SteerPower = 1f;
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[Tooltip("Rolls the watercraft when turning.")]
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[@Range(0, 1)]
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[@GenerateAPI]
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[SerializeField]
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float _TurningHeel = 0.35f;
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[Tooltip("Applies a curve to buoyancy changes.")]
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[@GenerateAPI]
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[@DecoratedField, SerializeField]
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AnimationCurve _BuoyancyCurveFactor = new(new Keyframe[] { new(0, 0, 0.01267637f, 0.01267637f),
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new(0.6626424f, 0.1791001f, 0.8680198f, 0.8680198f), new(1, 1, 3.38758f, 3.38758f) });
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float _BuoyancyFactor = 1f;
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private protected override void OnStart()
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{
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base.OnStart();
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if (_Control == null) _Control = GetComponent<Control>();
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if (_FloatingObject == null) _FloatingObject = GetComponent<FloatingObject>();
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}
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private protected override System.Action<WaterRenderer> OnFixedUpdateMethod => OnFixedUpdate;
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void OnFixedUpdate(WaterRenderer water)
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{
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if (!_FloatingObject.InWater) return;
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UnityEngine.Profiling.Profiler.BeginSample("WaveHarmonic.Crest.Watercraft.Controller.FixedUpdate");
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var input = _Control.Input;
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var rb = _FloatingObject.RigidBody;
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// Thrust
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var forcePosition = rb.worldCenterOfMass + _ForceHeightOffset * Vector3.up;
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rb.AddForceAtPosition(_ThrustPower * input.z * transform.forward, forcePosition, ForceMode.Acceleration);
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// Steer
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var rotation = transform.up + _TurningHeel * transform.forward;
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rb.AddTorque(_SteerPower * input.x * rotation, ForceMode.Acceleration);
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if (input.y > 0f)
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{
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if (_BuoyancyFactor < 1f)
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{
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_BuoyancyFactor += Time.deltaTime * 0.1f;
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_BuoyancyFactor = Mathf.Clamp(_BuoyancyFactor, 0f, 1f);
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_FloatingObject.BuoyancyForceStrength = _BuoyancyCurveFactor.Evaluate(_BuoyancyFactor);
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}
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}
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else if (input.y < 0f)
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{
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if (_BuoyancyFactor > 0f)
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{
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_BuoyancyFactor -= Time.deltaTime * 0.1f;
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_BuoyancyFactor = Mathf.Clamp(_BuoyancyFactor, 0f, 1f);
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_FloatingObject.BuoyancyForceStrength = _BuoyancyCurveFactor.Evaluate(_BuoyancyFactor);
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}
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}
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UnityEngine.Profiling.Profiler.EndSample();
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}
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}
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}
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