void OnDestroy()
{
ObjectEmitManager.GetInstance().RemoveEmitter(this);
}
private ObjectEmitCalculateResult OnCalculate(ObjectEmitCalculateParams args, ref ObjectEmitCalculateResult result)
{
switch (args.emitter.launchType)
{
//存在一次发射不同方向的可能
case EObjectEmitLaunchType.Line:
{
float lAngle = args.emitter.launchLineAngle * Mathf.Deg2Rad;
result.startMoveSpeed.x = args.emitter.launchMoveSpeed * Mathf.Cos(lAngle);
result.startMoveSpeed.y = args.emitter.launchMoveSpeed * Mathf.Sin(lAngle);
args.emitter.launchLineAngle += args.emitter.launchLineRPT;
result.startPosition.x = args.emitter.launchLineDistance * Mathf.Cos(lAngle);
result.startPosition.y = args.emitter.launchLineDistance * Mathf.Sin(lAngle);
result.startEulerAngles.z = (lAngle * Mathf.Rad2Deg) - 90;
result.startAngleSpeed.z = args.emitter.launchAngleSpeed;
}
break;
case EObjectEmitLaunchType.Sector:
{
float sectorAnglePerTimes = args.emitter.launchSectorSpreadAngle / args.emitter.launchNum;
float sectorAngle = (sectorAnglePerTimes * args.index + args.emitter.launchSectorStartAngle) * Mathf.Deg2Rad;
result.startPosition.x = args.emitter.launchSectorRadius * Mathf.Cos(sectorAngle);
result.startPosition.y = args.emitter.launchSectorRadius * Mathf.Sin(sectorAngle);
result.startMoveSpeed.x = args.emitter.launchMoveSpeed * Mathf.Cos(sectorAngle);
result.startMoveSpeed.y = args.emitter.launchMoveSpeed * Mathf.Sin(sectorAngle);
result.startAngleSpeed.z = args.emitter.launchAngleSpeed;
result.startEulerAngles.z = (sectorAngle * Mathf.Rad2Deg) - 90;
}
break;
case EObjectEmitLaunchType.Random:
{
//随机位置
float minR = args.emitter.launchRandomMinRadius;
float maxR = args.emitter.launchRandomMaxRadius;
float r = ObjectEmitManager.GetInstance().GetRandom().Next((int)(minR * 100), (int)((maxR * 100) + 1)) / 100f;
float angle = ObjectEmitManager.GetInstance().GetRandom().Next(0, 361) * Mathf.Deg2Rad;
float rX = r * Mathf.Cos(angle);
float rY = r * Mathf.Sin(angle);
result.startPosition.x = rX;
result.startPosition.y = rY;
result.startMoveSpeed.x = args.emitter.launchMoveSpeed * (float)Mathf.Cos(angle);
result.startMoveSpeed.y = args.emitter.launchMoveSpeed * (float)Mathf.Sin(angle);
result.startAngleSpeed.z = args.emitter.launchAngleSpeed;
result.startEulerAngles.z = (angle * Mathf.Rad2Deg) - 90;
}
break;
case EObjectEmitLaunchType.FixedPoint:
{
//固定位置
if (args.emitter.launchFixedPointPoints.Length > 0)
{
var ponit = args.emitter.launchFixedPointPoints[(args.index + args.times) % args.emitter.launchFixedPointPoints.Length];
result.startPosition.x = ponit.x;
result.startPosition.y = ponit.y;
result.startPosition.z = ponit.z;
}
}
break;
case EObjectEmitLaunchType.Custom:
{
if (args.emitter.launchCustomCallback != null)
{
result = args.emitter.launchCustomCallback.Calculate(args);
}
}
break;
}
return(result);
}
void Start()
{
ObjectEmitManager.GetInstance().AddEmitter(this, launchName);
}
void Launch()
{
if (!m_isCanEmit)
{
return;
}
if (launchEntities.Length > 0)
{
int index = 0;
bool isNeedIndex = true;
for (int i = 0; i < launchNum; i++)
{
switch (launchOrderType)
{
case EObjectEmitCreateOrderType.Orderly:
{
index = launchOrderOrderlyByTimes ? Math.Abs(launchTimes % launchEntities.Length) : (i % launchEntities.Length);
}
break;
case EObjectEmitCreateOrderType.Random:
{
if (!isNeedIndex)
{
break;
}
if (launchOrderOrderlyByTimes)
{
isNeedIndex = false;
}
index = ObjectEmitManager.GetInstance().GetRandom().Next(0, launchEntities.Length); //随机函数,从中取一个
}
break;
case EObjectEmitCreateOrderType.Fixed:
{
index = launchOrderFixedIndex;
}
break;
}
///
m_objectEmitCreateParams.parent = launchParent;
m_objectEmitCreateParams.prefab = launchEntities[index];
m_objectEmitCalculateParams.emitter = this;
m_objectEmitCalculateParams.index = i;
m_objectEmitCalculateParams.times = Mathf.Abs(launchTimes);
m_objectEmitCalculateResult.startPosition = Vector3.zero;
m_objectEmitCalculateResult.startEulerAngles = Vector3.zero;
m_objectEmitCalculateResult.startAngleSpeed = Vector3.zero;
m_objectEmitCalculateResult.startMoveSpeed = Vector3.zero;
///
m_objectEmitLaunchParams.createResult = ObjectEmitManager.GetInstance().GetHandler().OnCreate(m_objectEmitCreateParams);
m_objectEmitLaunchParams.calculateResult = OnCalculate(m_objectEmitCalculateParams, ref m_objectEmitCalculateResult);
//发射前的校验
if (launchRelative != null)
{
m_objectEmitLaunchParams.calculateResult.startPosition += launchRelative.transform.position;
}
if (launchFixAngle)
{
m_objectEmitLaunchParams.calculateResult.startEulerAngles.z = 0;
m_objectEmitLaunchParams.calculateResult.startAngleSpeed.z = 0;
}
ObjectEmitManager.GetInstance().GetHandler().OnLaunch(m_objectEmitLaunchParams);
}
}
launchTimes--;
}
