45 lines
974 B
C#
45 lines
974 B
C#
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using UnityEngine;
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using UnityEngine.UI;
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public class AimArrowController : MonoBehaviour
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{
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public Image arrow;
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public float m_AngleSpeed = 1.5f;
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Vector2 startPos;
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bool isAiming;
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void Start()
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{
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arrow.enabled = false;
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}
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public void OnAimStart(Vector2 screenPos)
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{
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isAiming = true;
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arrow.enabled = true;
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UpdateArrow(screenPos);
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}
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public void OnAimDrag(Vector2 screenPos)
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{
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if (!isAiming) return;
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UpdateArrow(screenPos);
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}
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public void OnAimEnd()
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{
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arrow.enabled = false;
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isAiming = false;
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}
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void UpdateArrow(Vector2 currentPos)
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{
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Vector2 dir = currentPos - startPos;
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if (dir.sqrMagnitude < 0.001f) return;
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float angle = (Mathf.Atan2(dir.y, dir.x) * Mathf.Rad2Deg - 45f) * m_AngleSpeed;
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angle = Mathf.Clamp(angle, -60f, 60f);
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arrow.rectTransform.rotation = Quaternion.Euler(0, 0, angle);
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}
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}
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