碰撞检测

Posted 2020-10-30 afraidtoforget

 

我搜到的网上的碰撞检测都是规则几何碰撞，例如矩形、立方体，三角形，这些都是小学的几何知识。

关键是不规则几何的碰撞，但是没有搜到好的文章的。

 

https://blog.csdn.net/A632189007/article/details/78126588

 

这里记录一下cocos2dx中的相关api

1  2d碰撞检测

    local conListener = cc.EventListenerPhysicsContact:create()
    conListener:registerScriptHandler(function (contact)
        -- body
        local node1 = contact:getShapeA():getBody():getNode()
        local node2 = contact:getShapeB():getBody():getNode()
        print("node contacted name EVENT_PHYSICS_CONTACT_BEGIN")
        print(node1:getName())
        print(node2:getName())
        return true
    end, cc.Handler.EVENT_PHYSICS_CONTACT_BEGIN )

    conListener:registerScriptHandler(function (contact)
        -- body
        local node1 = contact:getShapeA():getBody():getNode()
        local node2 = contact:getShapeB():getBody():getNode()
        print("node contacted name EVENT_PHYSICS_CONTACT_PRESOLVE")
        print(node1:getName())
        print(node2:getName())
    end, cc.Handler.EVENT_PHYSICS_CONTACT_PRESOLVE )

    conListener:registerScriptHandler(function (contact)
        -- body
        local node1 = contact:getShapeA():getBody():getNode()
        local node2 = contact:getShapeB():getBody():getNode()
        print("node contacted name EVENT_PHYSICS_CONTACT_POSTSOLVE")
        print(node1:getName())
        print(node2:getName())
    end, cc.Handler.EVENT_PHYSICS_CONTACT_POSTSOLVE )

    conListener:registerScriptHandler(function (contact)
        -- body
        local node1 = contact:getShapeA():getBody():getNode()
        local node2 = contact:getShapeB():getBody():getNode()
        print("node contacted name EVENT_PHYSICS_CONTACT_SEPARATE")
        print(node1:getName())
        print(node2:getName())
        return true
    end, cc.Handler.EVENT_PHYSICS_CONTACT_SEPARATE )


    cc.Director:getInstance():getEventDispatcher():addEventListenerWithSceneGraphpriority(conListener, scene)