using System;
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using System.Collections.Generic;
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using UnityEngine;
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public class BezierBulletCurve : BulletCurve
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{
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private Vector2 start;
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private Vector2 end;
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private Vector2 control;
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public BezierBulletCurve(BattleObject caster, SkillConfig skillConfig, BattleEffectPlayer effectPlayer,
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RectTransform target, HB427_tagSCUseSkill tagUseSkillAttack, int bulletIndex, Action<int, List<HB427_tagSCUseSkill.tagSCUseSkillHurt>> onHit)
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: base(caster, skillConfig, effectPlayer, target, tagUseSkillAttack, bulletIndex, onHit) { }
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public override void Reset()
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{
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base.Reset();
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start = WorldToLocalAnchoredPosition(bulletTrans.position);
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end = WorldToLocalAnchoredPosition(target.position);
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duration = Vector2.Distance(start, end) / skillConfig.BulletFlySpeed;
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control = (start + end) / 2 + Vector2.up * 100f;
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}
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public override void Run()
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{
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if (finished) return;
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elapsed += Time.deltaTime;
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float t = Mathf.Clamp01(elapsed / duration);
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Vector2 pos = Mathf.Pow(1 - t, 2) * start + 2 * (1 - t) * t * control + Mathf.Pow(t, 2) * end;
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bulletTrans.anchoredPosition = pos;
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Vector2 tangent = 2 * (1 - t) * (control - start) + 2 * t * (end - control);
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float angle = Mathf.Atan2(tangent.y, tangent.x) * Mathf.Rad2Deg - 90f;
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bulletTrans.localRotation = Quaternion.Euler(0, 0, angle);
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if (t >= 1f)
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{
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finished = true;
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onHit?.Invoke(mBulletIndex, hurts);
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}
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}
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}
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