local BoxMissileShape = {}

local FP=FP
local _v1Temp = FP.newV1(0)
local _posTemp = FP.newV2(0, 0)
local _dirTemp = FP.newV2(0, 0)
local _rightTemp = FP.newV2(0, 0)
local _toHitTemp = FP.newV2(0, 0)
local _entityPosTemp = FP.newV2(0, 0)

function BoxMissileShape.SetMissileTrigger(data,pos,dir)
    _posTemp:Reset(pos)
    _dirTemp:Reset(dir)
    _rightTemp.x:Reset(dir.z)
    _rightTemp.z:Reset(dir.x):Negative()

    local dirClone = _dirTemp:cloneV2()
    local rightClone = _rightTemp:cloneV2()
    
    if data then
        _posTemp:Add(dirClone:Mul(data.OffsetZ))
        _posTemp:Add(rightClone:Mul(data.OffsetX))
    end
    FP.releaseV2(dirClone)
    FP.releaseV2(rightClone)
end

function BoxMissileShape.CanEnterTrigger(missile, hitEntityPos, hitEntityRadius)
    if hitEntityRadius and hitEntityRadius > 0 then
        _toHitTemp:Reset(hitEntityPos):Sub(_posTemp)
        FP.V2.Magnitude(_toHitTemp, _v1Temp)
        _v1Temp:Sub(hitEntityRadius)
        if _v1Temp < FP.Const.Zero then
            _v1Temp:Reset()
        end
        _toHitTemp:Normalize()
        _toHitTemp:Mul(_v1Temp)
        _entityPosTemp:Reset(_posTemp):Add(_toHitTemp)
    else
        _entityPosTemp:Reset(hitEntityPos)
    end
    
    return FP.V2.IsInRectRange(_entityPosTemp,_posTemp,_dirTemp,missile:GetShapeParam1(),missile:GetShapeParam2())
end

------------重写子弹宽高(新增机制)-------------------
function BoxMissileShape.SetMissileWidth(missile,value)
    missile:OverrideShapeParam1(value)
end

function BoxMissileShape.SetMissileHeight(missile,value)
    missile:OverrideShapeParam2(value)
end

return BoxMissileShape