VDH
111 lines
3.5 KiB
C#
111 lines
3.5 KiB
C#
using UnityEngine;
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namespace BrewMonster
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{
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/// <summary>
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/// Curved movement with lateral acceleration.
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/// Mirrors C++ CGfxCurvedMove exactly (A3DSkillGfxEvent2.cpp:217-265).
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/// 带横向加速度的曲线移动，完全镜像C++ CGfxCurvedMove。
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/// </summary>
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public class CGfxCurvedMove : CGfxMoveBase
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{
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protected bool m_bFromRight;
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protected float m_fLatSpd;
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protected float m_fTime;
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protected float m_fSpeed;
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protected Vector3 m_vAxisX;
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protected Vector3 m_vAxisZ;
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protected Vector3 m_vZSpd;
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private const float _fly_speed = 20.0f / 1000.0f; // units per ms, same as C++
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private const float _curved_acc = 20.0e-6f; // lateral acceleration, same as C++
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public CGfxCurvedMove(GfxMoveMode mode) : base(mode)
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{
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m_bFromRight = true;
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}
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/// <summary>
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/// Initialize curved movement from host to target.
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/// 初始化从施法者到目标的曲线移动。
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/// </summary>
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public override void StartMove(Vector3 vHost, Vector3 vTarget)
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{
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if (m_bArea)
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{
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CalcRange((vTarget - vHost).normalized);
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m_vPos = vHost + GetRandOff();
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}
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else
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{
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m_vPos = vHost;
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}
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m_vAxisZ = vTarget - m_vPos;
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float fDist = Normalize(ref m_vAxisZ);
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float fMax = m_dwMaxFlyTime * _fly_speed;
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if (fMax >= fDist)
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{
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m_fSpeed = _fly_speed;
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}
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else
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{
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m_fSpeed = fDist / m_dwMaxFlyTime;
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}
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m_fTime = fDist / m_fSpeed;
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m_fLatSpd = _curved_acc * 0.5f * m_fTime;
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// Calculate lateral axis
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// 计算横向轴
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if (Mathf.Abs(m_vAxisZ.y) > 0.9f)
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{
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Vector3 vY = Vector3.Cross(m_vAxisZ, Vector3.right);
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Normalize(ref vY);
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m_vAxisX = Vector3.Cross(vY, m_vAxisZ);
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}
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else
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{
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m_vAxisX = Vector3.Cross(Vector3.up, m_vAxisZ);
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}
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// Randomly choose direction (left or right)
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// 随机选择方向（左或右）
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if (Random.value > 0.5f)
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{
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m_vAxisX = -m_vAxisX;
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}
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m_vZSpd = m_fSpeed * m_vAxisZ;
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m_vMoveDir = (m_vZSpd + m_fLatSpd * m_vAxisX).normalized;
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}
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/// <summary>
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/// Tick curved movement. Returns true when target is reached.
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/// 更新曲线移动。当到达目标时返回true。
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/// </summary>
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public override bool TickMove(uint dwDeltaTime, Vector3 vHostPos, Vector3 vTargetPos)
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{
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float fDelta = dwDeltaTime;
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float fVEnd = m_fLatSpd - _curved_acc * fDelta;
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float fOff = 0.5f * (m_fLatSpd + fVEnd) * fDelta;
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m_fLatSpd = fVEnd;
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m_vPos += fDelta * m_vZSpd + fOff * m_vAxisX;
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m_vMoveDir = (m_vZSpd + m_fLatSpd * m_vAxisX).normalized;
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m_fTime -= fDelta;
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return m_fTime <= 0;
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}
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/// <summary>
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/// Override to also read fromRight flag from param value.
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/// 重写以从参数值中读取fromRight标志。
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/// </summary>
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public override void SetParam(GFX_SKILL_PARAM param)
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{
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base.SetParam(param);
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m_bFromRight = param.value.bVal; // C# union access: param.value.bVal
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}
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}
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}
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