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bool[,] Rooms = new Rooms[Width, Height]; bool IsPositionAvalaible(int x, int y) { return !Rooms[x,y];} bool SetPositionValue(int x, int y, bool Avalaible) { Rooms[x,y] = !Avalaible; }

This is a similar way of doing that, but next time your sprite sheets shoud follow the ascii layout to make it easier... :) public static class Font { private static String chars = "0123456789.,! …

You should change the var i to j here 7 for (int j = 1; j <= 4; j++) 8 { 9 Maybe you should use the step trace to debug your execution flow... worth it... :) Anyway is a common copy/paste …

You can use Viewport.UnProject with two source values: A(MouseX, MouseY, 0) B(MouseX, MouseY, 1) You will get the two unprojects points that can be used to get a ray, then you have to get the ray in …

Xna offers you a Model class that let you access to the Bones, but you have to recalcultate the bone transform by yourself. …

You can check if the object's bounding is inside of the camera frustum. you have the class BoundingFrustum that can manage intersections with BoundingBoxes or BoundingSpheres.

InkScape is a good choice for vectorial images. Size your document to 1m x 1m... Add the bitmap... Draw the polyline... Save as .svg or .xaml document... whose are text based... Develop a light p …

maybe this method not the best, but for pong game could be enough, and is easy to understand. Make a enum with your states: enum States { Menu, Playing, Pause, Lost, Win, Intro } In your update …

When you resize, the backbuffer changes... so you have to recalc your control sizes... in the game class you can subscribe to this event to recalc your controls: this.Window.ClientSizeChanged+= R …

if you have to use the spritebatch, only accepts to draw rectangles, and you define the polygon in a map editor, why don't precalc the texture? You can still use your polygon for physics, only have t …

is not used to cause problems. the greatest problem is class or struct name collision. if you have this: using System.Drawing; usign Microsoft.Xna.Framework.Graphics; these namespaces both cont …

To change a vertex buffer it can't be active: GraphicsDevice.SetVertexBuffer(null); To transfer vertex data to the gpu memory: VertexBuffer.SetData<VertexPositionColor>(VertexData); To act …

A lerp function is something like this: NewCurrentValue = SourceValue + (TargetValue - SourceValue) * Ratio; Many times I choose a constant ratio, and work over current value, this way I have not …

You can create a Texture2D this way. Texture2D Mountain = new Texture2D( GraphicsDevice, Width, Height); Color[] PixelData = new Color[Width * Height]; Color colA,colB; …

MeasureString() returns to you a Vector2 where the X is the width and Y is the height of the text. Also the SpriteFont class has a LineSpacing member that gives you the height of a line, including te …