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using Microsoft.Xna.Framework; using Microsoft.Xna.Framework.Graphics; using System; using System.Collections.Generic;
namespace SemiColinGames { public sealed class ShmupWorld : IWorld { public class ShmupPlayer { public TextureRef Texture = Textures.Yellow2; // Center of player sprite.
public Vector2 Position = new Vector2(32, 1080 / 8); public Vector2 HalfSize = new Vector2(16, 10); }
public readonly Point Size; public readonly ShmupPlayer Player;
public ShmupWorld() { Size = new Point(1920 / 4, 1080 / 4); Player = new ShmupPlayer(); }
~ShmupWorld() { Dispose(); }
public void Dispose() { GC.SuppressFinalize(this); }
public void Update(float modelTime, History<Input> input) { float speed = 150f; Vector2 motion = Vector2.Multiply(input[0].Motion, modelTime * speed); Player.Position = Vector2.Add(Player.Position, motion); Player.Position.X = Math.Max(Player.Position.X, Player.HalfSize.X); Player.Position.X = Math.Min(Player.Position.X, Size.X - Player.HalfSize.X); Player.Position.Y = Math.Max(Player.Position.Y, Player.HalfSize.Y); Player.Position.Y = Math.Min(Player.Position.Y, Size.Y - Player.HalfSize.Y);
} } }
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