126 lines
4.1 KiB
C#
126 lines
4.1 KiB
C#
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namespace RaycastPro.Bullets2D
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{
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using UnityEngine;
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#if UNITY_EDITOR
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using Editor;
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using UnityEditor;
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#endif
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[AddComponentMenu("RaycastPro/Bullets/" + nameof(TrackerBullet2D))]
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public sealed class TrackerBullet2D : Bullet2D
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{
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public Transform target;
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public Vector3 targetPoint;
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public float distanceThreshold = .2f;
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public float drag = 2;
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public Vector3 trackOffset;
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public float turnSharpness = 15;
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public float force = 10;
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public enum TrackType
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{
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PositionLerp,
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RotationLerp,
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}
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public TrackType trackType = TrackType.PositionLerp;
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[SerializeField]
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private AxisRun axisRun = new AxisRun();
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protected override void OnCast()
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{
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transform.position = raySource.Base;
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transform.right = (target.position - transform.position).normalized;
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targetPoint = target.position;
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currentForce = force;
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}
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private Transform _t;
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private float _dis, _dt, currentForce;
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private Vector2 _dir;
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internal override void RuntimeUpdate()
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{
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_dt = GetDelta(timeMode);
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UpdateLifeProcess(_dt);
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targetPoint = target ? target.position + trackOffset : _t.position;
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_dis = Vector3.Distance(_t.position, targetPoint);
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if (currentForce <= .1f)
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{
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OnEndCast(caster);
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return;
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}
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if (target && _dis <= distanceThreshold)
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{
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OnEndCast(caster);
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return;
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}
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_dt = GetDelta(timeMode);
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_dir = targetPoint - _t.position;
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switch (trackType)
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{
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case TrackType.PositionLerp:
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var lerp = Vector3.Lerp(_t.position.ToDepth(Z), targetPoint.ToDepth(Z), _dt * speed);
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_t.position = lerp;
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break;
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case TrackType.RotationLerp:
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currentForce = Mathf.Lerp(currentForce, 0, 1 - Mathf.Exp(-drag * _dt));
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_t.position += _dir.normalized.ToDepth() * (currentForce * _dt);
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break;
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}
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if (axisRun.syncAxis) axisRun.SyncAxis(transform, _dir);
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if (collisionRay) CollisionRun(_dt);
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}
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#if UNITY_EDITOR
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internal override string Info => "After being fired by the caster, it follows the target." + HAccurate + HDependent;
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internal override void EditorPanel(SerializedObject _so, bool hasMain = true, bool hasGeneral = true,
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bool hasEvents = true,
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bool hasInfo = true)
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{
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if (hasMain)
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{
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BeginVerticalBox();
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PropertyEnumField(_so.FindProperty(nameof(trackType)), 2, "Track Type".ToContent(), new GUIContent[]
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{
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CPositionLerp.ToContent(TPositionLerp),
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CRotationLerp.ToContent(TRotationLerp),
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});
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if (trackType == TrackType.RotationLerp)
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{
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EditorGUILayout.PropertyField(_so.FindProperty(nameof(force)));
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EditorGUILayout.PropertyField(_so.FindProperty(nameof(turnSharpness)));
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EditorGUILayout.PropertyField(_so.FindProperty(nameof(drag)));
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}
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else
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{
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EditorGUILayout.PropertyField(_so.FindProperty(nameof(speed)));
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}
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EndVertical();
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axisRun.EditorPanel(_so.FindProperty(nameof(axisRun)));
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EditorGUILayout.PropertyField(_so.FindProperty(nameof(distanceThreshold)));
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EditorGUILayout.PropertyField(_so.FindProperty(nameof(trackOffset)));
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}
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if (hasGeneral) GeneralField(_so);
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if (hasEvents) EventField(_so);
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if (hasInfo) InformationField();
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}
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#endif
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}
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}
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