vampire-like/Assets/GameMain/Scripts/Entity/EntityLogic/Weapon/AttackEffects/SlashSectorAttackEffect.cs

86 lines
2.9 KiB
C#

using UnityEngine;
namespace Entity.Weapon
{
public sealed class SlashSectorAttackEffect : IWeaponAttackEffect
{
private readonly float _duration = 0.2f;
private readonly float _yOffset = 0.06f;
private readonly float _lineWidth = 0.05f;
private readonly int _segments = 24;
private readonly Color _color = new(1f, 0.45f, 0.2f, 0.9f);
public SlashSectorAttackEffect()
{
}
public SlashSectorAttackEffect(float duration, float yOffset, float lineWidth, int segments, Color color)
{
_duration = duration;
_yOffset = yOffset;
_lineWidth = lineWidth;
_segments = Mathf.Max(6, segments);
_color = color;
}
public void Play(WeaponBase weapon, Vector3 position, EntityBase target, float radius)
{
if (weapon is not WeaponSlash slash) return;
float safeRadius = Mathf.Max(0.1f, radius);
float sectorAngle = Mathf.Clamp(slash.SectorAngle, 1f, 360f);
GameObject indicator = new GameObject("SlashSectorIndicator");
Vector3 center = new Vector3(position.x, position.y + _yOffset, position.z);
indicator.transform.position = center;
LineRenderer line = indicator.AddComponent<LineRenderer>();
line.loop = false;
line.useWorldSpace = true;
line.startWidth = _lineWidth;
line.endWidth = _lineWidth;
line.startColor = _color;
line.endColor = _color;
Shader shader = Shader.Find("Sprites/Default");
if (shader == null)
{
shader = Shader.Find("Unlit/Color");
}
Material material = new Material(shader);
material.color = _color;
line.material = material;
float half = sectorAngle * 0.5f;
int arcPoints = _segments + 1;
int positionCount = arcPoints + 2;
line.positionCount = positionCount;
Vector3 forward = weapon.CachedTransform.forward;
forward.y = 0f;
if (forward.sqrMagnitude <= Mathf.Epsilon)
{
forward = Vector3.forward;
}
forward.Normalize();
Quaternion baseRotation = Quaternion.LookRotation(forward, Vector3.up);
line.SetPosition(0, center);
for (int i = 0; i < arcPoints; i++)
{
float t = arcPoints <= 1 ? 0f : i / (float)(arcPoints - 1);
float angle = Mathf.Lerp(-half, half, t);
Vector3 dir = Quaternion.Euler(0f, angle, 0f) * Vector3.forward;
Vector3 worldDir = baseRotation * dir;
line.SetPosition(i + 1, center + worldDir * safeRadius);
}
line.SetPosition(positionCount - 1, center);
UnityEngine.Object.Destroy(indicator, Mathf.Max(0.01f, _duration));
}
}
}