VDH
109 lines
3.5 KiB
C#
109 lines
3.5 KiB
C#
using UnityEngine;
|
|
|
|
namespace BrewMonster
|
|
{
|
|
/// <summary>
|
|
/// Helix (spiral) movement pattern.
|
|
/// Mirrors C++ CGfxHelixMove exactly (A3DSkillGfxEvent2.cpp:167-215).
|
|
/// 螺旋移动模式，完全镜像C++ CGfxHelixMove。
|
|
/// </summary>
|
|
public class CGfxHelixMove : CGfxMoveBase
|
|
{
|
|
protected float m_fFlyTime;
|
|
protected float m_fRadius;
|
|
protected float m_fShrinkRate;
|
|
protected float m_fAngle;
|
|
protected float m_fSpeed;
|
|
|
|
protected Vector3 m_vCenter;
|
|
protected Vector3 m_vAxisX;
|
|
protected Vector3 m_vAxisY;
|
|
|
|
private const float _fly_speed = 20.0f / 1000.0f; // units per ms, same as C++
|
|
private const float _ang_vel = Mathf.PI * 4.0f / 1000.0f; // angular velocity (radians per ms), same as C++
|
|
|
|
public CGfxHelixMove(GfxMoveMode mode) : base(mode)
|
|
{
|
|
m_fRadius = 0;
|
|
}
|
|
|
|
/// <summary>
|
|
/// Initialize helix movement from host to target.
|
|
/// 初始化从施法者到目标的螺旋移动。
|
|
/// </summary>
|
|
public override void StartMove(Vector3 vHost, Vector3 vTarget)
|
|
{
|
|
if (m_bArea)
|
|
{
|
|
CalcRange((vTarget - vHost).normalized);
|
|
m_vCenter = vHost + GetRandOff();
|
|
}
|
|
else
|
|
{
|
|
m_vCenter = vHost;
|
|
}
|
|
|
|
m_vMoveDir = vTarget - m_vCenter;
|
|
float fDist = Normalize(ref m_vMoveDir);
|
|
float fMax = _fly_speed * m_dwMaxFlyTime;
|
|
|
|
if (fMax >= fDist)
|
|
{
|
|
m_fSpeed = _fly_speed;
|
|
}
|
|
else
|
|
{
|
|
m_fSpeed = fDist / m_dwMaxFlyTime;
|
|
}
|
|
|
|
m_fFlyTime = fDist / m_fSpeed;
|
|
m_fShrinkRate = m_fRadius / m_fFlyTime;
|
|
|
|
// Calculate helix axes
|
|
// 计算螺旋轴
|
|
if (Mathf.Abs(m_vMoveDir.y) > 0.9f)
|
|
{
|
|
m_vAxisY = Vector3.Cross(m_vMoveDir, Vector3.right);
|
|
Normalize(ref m_vAxisY);
|
|
m_vAxisX = Vector3.Cross(m_vAxisY, m_vMoveDir);
|
|
}
|
|
else
|
|
{
|
|
m_vAxisX = Vector3.Cross(Vector3.up, m_vMoveDir);
|
|
Normalize(ref m_vAxisX);
|
|
m_vAxisY = Vector3.Cross(m_vMoveDir, m_vAxisX);
|
|
}
|
|
|
|
m_vPos = m_vCenter + m_vAxisX * m_fRadius;
|
|
m_fAngle = 0;
|
|
}
|
|
|
|
/// <summary>
|
|
/// Tick helix movement. Returns true when target is reached.
|
|
/// 更新螺旋移动。当到达目标时返回true。
|
|
/// </summary>
|
|
public override bool TickMove(uint dwDeltaTime, Vector3 vHostPos, Vector3 vTargetPos)
|
|
{
|
|
float fDelta = dwDeltaTime;
|
|
m_vCenter += m_vMoveDir * (m_fSpeed * fDelta);
|
|
m_fRadius -= m_fShrinkRate * fDelta;
|
|
m_fAngle -= _ang_vel * fDelta;
|
|
Vector3 vOff = m_vAxisX * (Mathf.Cos(m_fAngle) * m_fRadius)
|
|
+ m_vAxisY * (Mathf.Sin(m_fAngle) * m_fRadius);
|
|
m_vPos = m_vCenter + vOff;
|
|
m_fFlyTime -= fDelta;
|
|
return m_fFlyTime <= 0;
|
|
}
|
|
|
|
/// <summary>
|
|
/// Override to also read radius from param value.
|
|
/// 重写以从参数值中读取半径。
|
|
/// </summary>
|
|
public override void SetParam(GFX_SKILL_PARAM param)
|
|
{
|
|
base.SetParam(param);
|
|
m_fRadius = param.value.fVal; // C# union access: param.value.fVal
|
|
}
|
|
}
|
|
}
|