box2d，如何检测静态和动态物体之间的碰撞

问题描述

| 我正在听动态物体之间的接触。但不能听取动静物体之间的接触。 我可以使用此方法在b2contactListener类上处理碰撞检测。

    public override function BeginContact(contact:b2Contact):void {
        // getting the fixtures that collided
        var fixtureA:b2Fixture=contact.GetFixtureA();
        var fixtureB:b2Fixture=contact.GetFixtureB();
        // if the fixture is a sensor,mark the parent body to be removed

        if(fixtureB.GetBody().getUniqueBodyName() == \"towerBody\"){
            //Towerbody is static body
                    trace(\"BINGOOOOOO\");
                    }  

        if (fixtureA.GetBody().getUniqueBodyName() == \"bomb\"){
            // Bomb is dynamic body
        //  main.gamePhysics.destroyBodyWhenCollide(fixtureA.GetBody());

            var spr:Sprite = fixtureA.GetBody().GetUserData();
            spr.alpha = 0;
            fixtureA.GetBody().collisionDetected = true;            

        }

请帮我...     

解决方法

这不是一个有效的假设，静态物体将是夹具B ...可能是夹具A。 尝试测试一下...

public override function BeginContact(contact:b2Contact):void {
    // getting the fixtures that collided
    var fixtureA:b2Fixture=contact.GetFixtureA();
    var fixtureB:b2Fixture=contact.GetFixtureB();
    // if the fixture is a sensor,mark the parent body to be removed

    if(fixtureA.GetBody().getUniqueBodyName() == \"towerBody\"){
        //Towerbody is static body
                trace(\"BINGOOOOOO - A\");
                }  

    if(fixtureB.GetBody().getUniqueBodyName() == \"towerBody\"){
        //Towerbody is static body
                trace(\"BINGOOOOOO - B\");
                }  


    if (fixtureA.GetBody().getUniqueBodyName() == \"bomb\"){
        // Bomb is dynamic body
    //  main.gamePhysics.destroyBodyWhenCollide(fixtureA.GetBody());

        var spr:Sprite = fixtureA.GetBody().GetUserData();
        spr.alpha = 0;
        fixtureA.GetBody().collisionDetected = true;            

    }