/// <summary>
/// 终点按照随机的偏移分布.
/// </summary>
private static ErrorCode distributeByRandomOffset(ArrayList result, DistributionComputeParam param)
{
string[] args = param.distributionArgument.Split('|');
if (args.Length != 2)
{
return(ErrorCode.ConfigError);
}
uint count = System.Convert.ToUInt32(args[0]);
float maxOffset = System.Convert.ToSingle(args[1]);
// 起点到目标点射线的垂直方向.
float radian = Utility.Vector3ToRadian(param.targetPosition - param.startPosition) + Mathf.PI / 2f;
BulletDistributionResultDef distribution = new BulletDistributionResultDef()
{
Delay = 0, StartPosition = param.startPosition
};
for (uint i = 0; i < count; ++i)
{
float random = UnityEngine.Random.value * 2 - 1f; // [-1, 1].
random *= maxOffset; // [-maxOffset, maxOffset].
distribution.TargetPosition = Utility.MoveVector3Towards(param.targetPosition, radian, random);
result.Add(distribution);
}
return(ErrorCode.Succeeded);
}
/// <summary>
/// 按角度偏移子弹.
/// </summary>
private static ErrorCode distributeByAngle(ArrayList result, DistributionComputeParam param)
{
uint[] args = Utility.SplitToUnsigned(param.distributionArgument);
if (args.Length != 2)
{
return(ErrorCode.ConfigError);
}
uint count = args[0];
float radian = args[1] * Mathf.Deg2Rad;
BulletDistributionResultDef distribution = new BulletDistributionResultDef()
{
StartPosition = param.startPosition,
TargetPosition = Utility.RotateVectorByRadian(param.targetPosition, (count - 1) * radian / 2f, param.startPosition),
Delay = 0
};
// 从中间位置开始, 顺时针方向最后一个子弹的分布.
result.Add(distribution);
// 逆时针旋转radian弧度, 计算剩余的子弹的目标点.
for (uint i = 1; i < count; ++i)
{
distribution.TargetPosition = Utility.RotateVectorByRadian(distribution.TargetPosition, -radian, param.startPosition);
result.Add(distribution);
}
return(ErrorCode.Succeeded);
}
