public void AddCollisionEffectAgent(CollisionEffectAgent agent)
{
_collisionEffectAgents.Add(agent);
}
public void RemoveCollisionEffectAgent(CollisionEffectAgent agent)
{
_collisionEffectAgents.Remove(agent);
}
/* CollisionMoveBasicAgent Impl 相关 */
/// <summary>
/// TODO
/// </summary>
/// <param name="effectAgents"></param>
/// <returns></returns>
public void CalculateEffectedDestination(List <CollisionEffectAgent> effectAgents)
{
bool needReturnPositionFlag = false;
if (effectAgents == null || effectAgents.Count == 0 || (!_canEffected) || (_flockStatus == FlockStatusEnum.STAR))
{
needReturnPositionFlag = true;
}
else
{
// basic position
Vector2 refPosition = GetCollisionRefPosition();
CollisionEffectAgent targetAgent = null;
// target position
Vector2 targetPosition = new Vector2();
float distance = 1000f;
for (int i = 0; i < effectAgents.Count; i++)
{
var item = effectAgents[i];
if (!item.IsEffective())
{
continue;
}
else
{
Vector2 itemPosition = item.GetRefPosition();
float newDistance = Vector2.Distance(refPosition, itemPosition);
if (newDistance < distance)
{
distance = newDistance;
targetAgent = item;
targetPosition = itemPosition;
}
}
}
float effectDistance;
float w, h;
if (targetAgent != null)
{
w = targetAgent.GetWidth();
h = targetAgent.GetHeight();
effectDistance = targetAgent.GetEffectDistance();
}
else
{
w = 0;
h = 0;
effectDistance = 0;
}
// 获取差值，差值越大，则表明两个物体距离越近，MAX（offsest） = effectDistance
float offset = effectDistance - distance;
// 进入影响范围
if (offset >= 0)
{
//effectAgentName = targetAgent.GetName();
TurnOnHasMovedOffsetFlag();
var moveBehavior = targetAgent.GetMoveBehavior();
//targetPosition = targetAgent.GetRefPosition();
/// 受影响浮块具体实现
///
if (moveBehavior == null)
{
Debug.Log("target agent name : " + targetAgent.GetName());
}
Vector2 to = moveBehavior.CalculatePosition(refPosition,
targetPosition, distance,
effectDistance, w, h, _manager);
var toLocalPosition = TransformScreenPositionToRectPosition(to);
;
SetNextPosition(toLocalPosition);
float sc = moveBehavior.CalculateScale(refPosition,
targetPosition, distance,
effectDistance, w, h, _manager);
// 获取缓动方法
Func <float, float> defaultEasingFunction = EasingFunction.Get(_manager.flockBehaviorConfig.CommonEaseEnum);
float k = defaultEasingFunction(offset / effectDistance);
GetComponent <RectTransform>()?.DOScale(sc, Time.deltaTime);
}
else
{
needReturnPositionFlag = true;
}
}
if (needReturnPositionFlag)
{
if (_hasMoveOffset)
{
TurnOffHasMovedOffsetFlag();
RecoverPosition();
GetComponent <RectTransform>()?.DOScale(1, Time.deltaTime);
}
else
{
if (_hasChangedFlag)
{
_hasChangedFlag = false;
SetNextPosition(_nextChangedPosition);
}
}
}
}
