I've been trying to get my sprite to move where I move my mouse, it worked when I didn't have the project OOP but I want it to look neat.
I have missed something here, the sprite is drawn but it's not following the mouse like it should.
Please do help ^^
game1.cs
using System;
using System.Collections.Generic;
using System.Linq;
using Microsoft.Xna.Framework;
using Microsoft.Xna.Framework.Audio;
using Microsoft.Xna.Framework.Content;
using Microsoft.Xna.Framework.GamerServices;
using Microsoft.Xna.Framework.Graphics;
using Microsoft.Xna.Framework.Input;
using Microsoft.Xna.Framework.Media;
namespace RotateTowardsMouse
{
public class Game1 : Microsoft.Xna.Framework.Game
{
GraphicsDeviceManager graphics;
SpriteBatch spriteBatch;
public Vector2 mousePosition;
Player player = null;
public Game1()
{
graphics = new GraphicsDeviceManager(this);
Content.RootDirectory = "Content";
this.IsMouseVisible = true;
}
protected override void Initialize()
{
Window.Title = "alpha" ;
graphics.PreferredBackBufferWidth = 1024;
graphics.PreferredBackBufferHeight = 768;
graphics.ApplyChanges();
base.Initialize();
}
protected override void LoadContent()
{
spriteBatch = new SpriteBatch(GraphicsDevice);
player = new Player(spriteBatch, this);
player.ScreenBoundaries = new Rectangle(0, 0, graphics.PreferredBackBufferWidth, graphics.PreferredBackBufferHeight);
player.Initialize();
}
protected override void Draw(GameTime gameTime)
{
GraphicsDevice.Clear(Color.CornflowerBlue);
spriteBatch.Begin();
player.Draw(gameTime);
spriteBatch.End();
base.Draw(gameTime);
}
}
}
Player.cs
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using Microsoft.Xna.Framework;
using Microsoft.Xna.Framework.Graphics;
using Microsoft.Xna.Framework.Input;
namespace RotateTowardsMouse
{
class Player : Entity
{
public Player(SpriteBatch spritebatch, Game game)
: base(spritebatch, game)
{
}
public override void Update(GameTime gameTime)
{
// Get the current mouse position
mousePosition.X = Mouse.GetState().X;
mousePosition.Y = Mouse.GetState().Y;
// Get The direction from the player position to the mouse position
Vector2 directionToMouse = mousePosition - position;
// Get the angle of the directional vector (Note that it must be a unit vector so we have to normalize it)
directionToMouse.Normalize();
playerRotation = (float)Math.Atan2((float)directionToMouse.Y, (float)directionToMouse.X);
base.Update(gameTime);
}
public override void Initialize()
{
screenBoundaries = new Rectangle(0, 0,
Game.Window.ClientBounds.Width, Game.Window.ClientBounds.Height);
position = new Vector2(screenBoundaries.Width * 0.5f, screenBoundaries.Height * 0.5f);
base.Initialize();
}
protected override void LoadContent()
{
spriteBatch = new SpriteBatch(GraphicsDevice);
// Load our player sprite
texture = Game.Content.Load<Texture2D>("Player");
// Set the rotation point to be in the center of our character
playerRotationPoint = new Vector2(texture.Width / 2, texture.Height / 2);
// Set the default rotation in radians (facing to the right)
playerRotation = 0.0f;
// Just set the mouse position to a default value here (we will update it
// in the Update(GameTime)-method)
mousePosition = Vector2.Zero;
}
}
}
Entity.cs
using System;
using Microsoft.Xna.Framework;
using Microsoft.Xna.Framework.Graphics;
namespace RotateTowardsMouse
{
class Entity : DrawableGameComponent
{
public Vector2 position = Vector2.Zero;
public float speed = 0.0f;
public Vector2 playerRotationPoint;
public float playerRotation;
public Vector2 scale = new Vector2(1.0f, 1.0f);
public Vector2 mousePosition;
protected Texture2D texture;
public SpriteBatch spriteBatch;
public Rectangle screenBoundaries;
public Rectangle ScreenBoundaries
{
get { return screenBoundaries; }
set { screenBoundaries = value; }
}
public Entity(SpriteBatch spritebatch, Game game)
: base(game)
{
this.spriteBatch = spritebatch;
}
public override void Draw(GameTime gameTime)
{
spriteBatch.Begin();
spriteBatch.Draw(texture, position, null, Color.White, playerRotation, playerRotationPoint, 1.0f, SpriteEffects.None, 0.0f);
spriteBatch.End();
}
}
}
