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POCan't use a variable in another method in XNA
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copied!<p>I will explain in depth after. So here is my code, we have an Elevation[] variable and each Elevation gets a random number:</p> <pre><code>public void elevation() { for (x = (int)Width - 1; x >= 0; x--) { for (y = (int)Width - 1; y >= 0; y--) { y = rand.Next((int)MaxElevation); //random number for each y. Elevation[x] = y; //each Elevation gets a random number. } } } </code></pre> <p>After this I try to use this random number in the draw method like this:</p> <pre><code>public void Draw(SpriteBatch spriteBatch) { for (x = (int)Width - 1; x >= 0; x--) { spriteBatch.Draw(Pixel, new Rectangle((int)Position.X + x, (int)Position.Y - Elevation[x], 1, (int)Height), Color.White); //HERE, I try to acces the random number for each Elevation (y value). But I get 0 everywhere. } } </code></pre> <p>How can I acces this random number? </p> <p>If I do that:</p> <pre><code>public void Draw(SpriteBatch spriteBatch) { for (x = (int)Width - 1; x >= 0; x--) { for (y = (int)Width - 1; y >= 0; y--) { y = rand.Next((int)MaxElevation); spriteBatch.Draw(Pixel, new Rectangle((int)Position.X + x, (int)Position.Y - Elevation[y], 1, (int)Height), Color.White); } } } </code></pre> <p>I will be able to acces the random numbers, but it will update every frame and the random numbers will change. So I need to calculate them once and then use them.</p> <p>Here is all the code:</p> <pre><code>namespace procedural_2dterrain { class Terrain { Texture2D Pixel; Vector2 Position; Random rand; int[] Elevation; float MaxElevation; float MinElevation; float Width; float Height; int x; int y; public void Initialize( ContentManager Content, float maxElevation, float minElevation, float width, float height, Vector2 position) { Pixel = Content.Load<Texture2D>("pixel"); rand = new Random(); Elevation = new int[(int)width]; MaxElevation = maxElevation; MinElevation = minElevation; Width = width; Height = height; Position = position; elevation(); } public void Update() { } public void elevation() { for (x = (int)Width - 1; x >= 0; x--) { for (y = (int)Width - 1; y >= 0; y--) { y = rand.Next((int)MaxElevation); Elevation[x] = y; } } } public void Draw(SpriteBatch spriteBatch) { for (x = (int)Width - 1; x >= 0; x--) { spriteBatch.Draw(Pixel, new Rectangle((int)Position.X + x, (int)Position.Y - Elevation[x], 1, (int)Height), Color.White); } } } </code></pre> <p>}</p>

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