// 得到物体变幻形状
public SceneShape GetTransformShape(Vector2 pos, float radians)
{
if (mShapeParam == null)
{
mShapeParam = new SceneShapeParam();
mShapeParam.mType = ShapeType.ShapeType_Round;
mShapeParam.mParams.Add(GetRadius());
}
if (mTransformShape == null)
{
mTransformShape = SceneShapeUtilities.Create(mShapeParam, pos, radians);
}
else
{
mTransformShape = SceneShapeUtilities.refresh(ref mTransformShape, mShapeParam, pos, radians);
}
return(mTransformShape);
}
// 得到物体形状
public SceneShape GetShape()
{
if (mShapeParam == null)
{
mShapeParam = new SceneShapeParam();
mShapeParam.mType = ShapeType.ShapeType_Round;
mShapeParam.mParams.Add(GetRadius());
}
if (mShape == null)
{
mShape = SceneShapeUtilities.Create(mShapeParam, new Vector2(GetPosition().x, GetPosition().z), GetDirection());
}
else if (!typeof(BuildObj).IsAssignableFrom(GetType()))
{
mShape = SceneShapeUtilities.refresh(ref mShape, mShapeParam, new Vector2(GetPosition().x, GetPosition().z), GetDirection());
}
return(mShape);
}
// 相交
override public bool intersect(SceneShape shape)
{
if (typeof(SceneShapeRect).IsAssignableFrom(shape.GetType()))
{
return(SceneShapeUtilities.overlap(this, shape as SceneShapeRect));
}
else if (typeof(SceneShapeRound).IsAssignableFrom(shape.GetType()))
{
return(SceneShapeUtilities.overlap(this, shape as SceneShapeRound));
}
else if (typeof(SceneShapePolygon).IsAssignableFrom(shape.GetType()))
{
return(SceneShapeUtilities.overlap(this, shape as SceneShapePolygon));
}
else if (typeof(SceneShapeLine).IsAssignableFrom(shape.GetType()))
{
return(SceneShapeUtilities.overlap(this, shape as SceneShapeLine));
}
GameDebug.LogError("SceneShapeLine.intersect() 未知的图形类别");
return(false);
}
/// <summary>
/// 根据目标选择参数, 以centerPosition为中心选择目标.
/// </summary>
/// <param name="attackerAttr">攻击者的数据</param>
/// <param name="centerPosition">选择的中心点</param>
/// <param name="attackerDirection">攻击者的方向(对于矩形, 扇形时用到)</param>
/// <param name="res">目标选择的资源</param>
/// <returns>目标集合, 不会为null.</returns>
public static ArrayList SelectTargets(AttackerAttr attackerAttr, Vector3 centerPosition, float attackerDirection, TargetSelectionTableItem targetSelRes)
{
BaseScene scn = SceneManager.Instance.GetCurScene();
if (scn == null)
{
return(null);
}
SceneShapeRect selRect = null;
ArrayList result = null;
SceneShape shape = null;
switch (targetSelRes.shape)
{ // 假设目标最大半径为5.0f米
case ShapeType.ShapeType_Round:
{
float radius = targetSelRes.CircleRadius * 2.0f + 5.0f;
selRect = new SceneShapeRect(new Vector2(centerPosition.x, centerPosition.z), radius, radius);
shape = new SceneShapeRound(new Vector2(centerPosition.x, centerPosition.z), targetSelRes.CircleRadius);
}
break;
case ShapeType.ShapeType_Rect:
{
float radius = targetSelRes.RectLength + targetSelRes.RectWidth + 5.0f;
selRect = new SceneShapeRect(new Vector2(centerPosition.x, centerPosition.z), radius, radius);
SceneShapeRect rect = new SceneShapeRect(new Vector2(centerPosition.x, centerPosition.z), targetSelRes.RectLength, targetSelRes.RectWidth);
shape = SceneShapeUtilities.rotate(rect, new Vector2(centerPosition.x, centerPosition.z), attackerDirection * Mathf.Rad2Deg);
}
break;
case ShapeType.ShapeType_Invalid:
break;
default:
ResourceInvalidParam("targetselection", (uint)targetSelRes.resID, "形状");
break;
}
if (shape != null && selRect != null)
{
ArrayList lst = scn.SearchObject(selRect, ObjectType.OBJ_SEARCH_BATTLEUNIT);
if (lst != null && lst.Count > 0)
{
result = new ArrayList();
for (int i = 0; i < lst.Count; i++)
{
ObjectBase obj = lst[i] as ObjectBase;
if (obj == null)
{
continue;
}
if (shape.intersect(obj.GetShape()))
{
result.Add(obj);
}
}
}
}
if (result == null)
{
result = new ArrayList();
}
// 根据阵营筛选.
FilterTargetsBy(result, filterTargetsByLeague, attackerAttr, targetSelRes.leagueSel);
// 最多只能选择maxTargetCount个单位.
RandomSampling(result, targetSelRes.maxTargetCount);
return(result);
}
