I thought with space invaders each row of enemies would be moving in the opposite direction from the row above/below and would keep alternating as they descended, you might need a specific version of isRight in the EnemyData structure so each individual enemy can be coded to move in the same direction as with all the others on the same row.

> > > > > > > > > >
< < < < < < < < < <
> > > > > > > > > >
< < < < < < < < < <
> > > > > > > > > >

^

Have you tried changing the order for your rectangle intersection logic as it seems to me that you are trying to fit the door into the key instead of the key into the door if you get my analogy.

Since I can't see anything wrong with the IF/SWITCH logic in your playerturn() function it must be where you call it, and since you've only got it active in collisionDetect() I'd say that is where your problem lies, otherwise the only other place is where that function is called in Update().

void collisionDetect()
        {
            for (int y = 0; y < 3; y++)
            {
                for (int x = 0; x < 3; x++)
                {
                    Rectangle tileRect1 = new Rectangle(x * 200, y * 200, 200, 200);
                    if (mouseRect.Intersects(tileRect1))
                    {
                        Vector2 pos = new Vector2(x * 200, y * 200);
                        playerturn(pos);


                        y = 3;
                        x = 3;
                        //    turn++; 

                    }
                }
            }

        }

There is another problem you will definitely encounter within your playerturn() function that I will give you a heads-up about now.
Where you declare int x = 0; and int y = 0; inside the routine, yet you are trying to increment them inside the routine without either a loop, or you are assuming that these values are meant to be globally available, then as soon as this function is finished those values will be reset, even more so if you redeclare them at the start of the function every single time you call it.

They will always be 0 when you run through the procedural logic and end at 1.

What you need to be doing is right-clicking in the Content section of your project solution in the explorer within Visual Studio 2008, if you try to Add a New Item in the main project folder then all you will get are class and game component files. From there you should get the option for XML File, Effect File and Sprite Font file.

Hi, I was just reviewing the code you put and it occurs to me that you're else case doesn't make much sense.

You have
Case 1:

Quote

Case 2: Not Case 1

Quote

If you assume that cellX will always be > 0 to be a valid current cell for the player in Case 1 then the only reason why you would reach Case 2 is if the cell to the left of the player is outside the scope of the array as in x array index 0, so why would you then update the "answer" variable with a value that means it will allow the player to move further left into an invalid cell?

Anyway that is my 2 cents for the first post, if you are having further trouble after making adjustments can you please repost your most recent collision code?

Better than that print out a string unique to each section so "Initialize", "Load Content", "Update", "Draw" would end up like:

"Initialize"
"Load Content"
"Update"
"Draw"
"Update"
"Draw"
"Update"
"Draw"
"Update"
"Draw"