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Collision detection - real basics

Last post 11/14/2009 12:26 PM by Sadjow. 1 replies.

11/14/2009 12:09 PM

neosatan

(0)
Posts 2

Collision detection - real basics

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Hi,

I am learnig XNA and I have a little problem. I am programming a little arcanoid game and I have little problem with collision detection.

in update method I have somethnig like that:

                                        if (platforma.Collide(pilka.obramowanie))         
                        {         
                            pilka.speedFactor.Y *= -1;         
                        }         

Next in class platform (object of this class is called platforma) I have method collide:

                                    public bool Collide(Rectangle przedmiot)         
                    {         
                        Rectangle rectPlatform = new Rectangle((int)position.X, (int)position.Y, teksture.Width, teksture.Height);         
                        return rectPlatform.Intersects(przedmiot);         
                    }         

when I run the game the collision isn't detected and I don't know what is wrong. :/ Any suggestions ?

11/14/2009 12:26 PM

In reply to

Sadjow

(4)
Posts 14

Re: Collision detection - real basics

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Hi neosantan,

Modify your Collide method write this:

    
            public bool Collide(Rectangle przedmiot)  
        
            {  
        
                        Rectangle rectPlatform = new Rectangle((int)position.X, (int)position.Y, teksture.Width, teksture.Height); 
        
                        Console.WriteLine(przedmiot.ToString()); 
        
                        Console.WriteLine(rectPlatform.ToString()); 
        
                        return rectPlatform.Intersects(przedmiot);  
        
            }

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