Kisaragi_Lib::BoxCollisionProcessor クラス

#include <Coliision_s.hpp>

静的公開メンバ関数
static void	ProcessCollision (IBoxCollision *a, IBoxCollision *b)
static void	Render (IBoxCollision *box, ViewComponentBase *_view)

静的非公開メンバ関数
static void	HandleCollision (bool isHit, IBoxCollision *a, IBoxCollision *b)

関数詳解

ProcessCollision()

void Kisaragi_Lib::BoxCollisionProcessor::ProcessCollision ( IBoxCollision * a, IBoxCollision * b )

static

    {
        auto aMin = a->aabb.LeftTopPoint() + a->GameObj()->transform.position;
        auto aMax = a->aabb.RightBottomPoint() + a->GameObj()->transform.position;
        auto bMin = b->aabb.LeftTopPoint() + b->GameObj()->transform.position;
        auto bMax = b->aabb.RightBottomPoint() + b->GameObj()->transform.position;
 
        if (aMax.x < bMin.x || aMin.x > bMax.x || aMax.y < bMin.y || aMin.y > bMax.y)
        {
            HandleCollision(false, a, b);
            HandleCollision(false, b, a);
            return;
        }
 
        HandleCollision(true, a, b);
        HandleCollision(true, b, a);
    }

参照元 Kisaragi_Lib::BoxCollisionFacade::Collision().

Render()

void Kisaragi_Lib::BoxCollisionProcessor::Render ( IBoxCollision * box, ViewComponentBase * _view )

static

    {
        if (!box->isRender) return;
 
        auto cam = _view->GetInput();
 
        //TODO 逆行列を使う都合上回転を扱って移動すると逆回転の平行移動をしてしまうため修正求む.
        Matrix2D camMat = cam->GetCamMatrix();
        Matrix2D objMat = box->GameObj()->transform;
        Matrix2D viewMat = _view->GameObj()->transform;
 
        // 新版
 
        Matrix2D drawMat{ IDENTITY_MATRIX };
 
 
        //view * cma * obj だと、実行順序でバグるため省略不可能.
        //左 : 子　<- <- 右 : 親
        drawMat *=
            viewMat.CreateScaleMatrix() * viewMat.CreateRotaMatrix() * viewMat.CreateMoveMatrix()
            * camMat.CreateScaleMatrix() * camMat.CreateRotaMatrix() * camMat.CreateMoveMatrix()
            * objMat;
 
        //描画処理.
 
        auto leftTop = drawMat * Matrix2D::CreateMoveMatrix(box->aabb.LeftTopPoint().x, box->aabb.LeftTopPoint().y);
        auto rightBottom = drawMat * Matrix2D::CreateMoveMatrix(box->aabb.RightBottomPoint().x, box->aabb.RightBottomPoint().y);
 
 
        leftTop *= leftTop.CreateInverseRotaMatrix();
        rightBottom *= rightBottom.CreateInverseRotaMatrix();
        
        DxLib::DrawBox(
            leftTop.Position().x, leftTop.Position().y,
            rightBottom.Position().x, rightBottom.Position().y,
            GetColor(0, 255, 177),
            false
        );
    }

参照元 Kisaragi_Lib::BoxCollisionFacade::Render().

HandleCollision()

void Kisaragi_Lib::BoxCollisionProcessor::HandleCollision ( bool isHit, IBoxCollision * a, IBoxCollision * b )

staticprivate

    {
        std::string bID = b->ID();
        if (isHit)
        {
            if (a->hitList.count(bID) == 0)
            {
                a->GameObj()->OnCollisionEnter(b->GameObj());
                a->hitList.emplace(bID);
            }
            a->GameObj()->OnCollisionStay(b->GameObj());
        }
        else if (a->hitList.count(bID))
        {
            a->GameObj()->OnCollisionExit(b->GameObj());
            a->hitList.erase(bID);
        }
    }

参照元 ProcessCollision().

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このクラス詳解は次のファイルから抽出されました:

• Coliision_s.hpp
• Coliision_s.cpp