Dogcows Code - chaz/carfire/blob - CarFire/CarFire/CarFire/Projectile.cs

   1 using System;
   2 using System.Collections.Generic;
   3 using System.Linq;
   4 using System.Text;
   5 using Microsoft.Xna.Framework;
   6 using Microsoft.Xna.Framework.Content;
   7 using Microsoft.Xna.Framework.Graphics;
   8 using Microsoft.Xna.Framework.Input;
   9
  10 namespace CarFire
  11 {
  12     /// <summary>
  13     /// This class represents a projectile object that will be spawned whenever a player or a monster fires.
  14     /// </summary>
  15     public class Projectile
  16     {
  17         //Member Variables
  18         Vector2 velocity;
  19         Texture2D projectileModel;
  20         int damage;
  21         int gridX;
  22         int gridY;
  23         //The pixel position should be the pixel position on the map.  When a projectile is drawn
  24         //these will have to be transformed to the coordinate system that the drawable screen is using.
  25         int pixelX;
  26         int pixelY;
  27         MovementManager mMotion;
  28         Point mPosition;
  29         int mCharacterIndex;
  30         Game mGame;
  31
  32         /// <summary>
  33         /// The Constructor for a projectile object.
  34         /// </summary>
  35         /// <param name="_currentMap">The map that this character will interact with</param>
  36         /// <param name="_projectileModel">The model for this projectile</param>
  37         /// <param name="_velocity">How fast the projectile moves</param>
  38         /// <param name="_gridX">The starting X position in the map grid</param>
  39         /// <param name="_gridY">The starting Y position in the map grid</param>
  40         /// <param name="_pixelX">The absolute X pixel position on the map</param>
  41         /// <param name="_pixelY"> The absolute Y pixel position on the map</param>
  42         public Projectile(Game theGame,
  43                             Texture2D _projectileModel,
  44                             Vector2 _velocity,
  45                             Point _position,
  46                             int characterNumber)
  47
  48         {
  49             mGame = theGame;
  50             mCharacterIndex = characterNumber;
  51             projectileModel = _projectileModel;
  52             velocity = _velocity;
  53             mPosition = _position;
  54             damage = 20;
  55             // Speed is the number of grid cells you can move through per second.
  56             mMotion = new MovementManager(mPosition, velocity.Length());
  57         }
  58         public void Update(TimeSpan timeSpan)
  59         {
  60             bool moveRight = false;
  61             bool moveLeft = false;
  62             bool moveUp = false;
  63             bool moveDown = false;
  64             if (velocity.X > 0)
  65                 moveRight = true;
  66             else if (velocity.X < 0)
  67                 moveLeft = true;
  68             if (velocity.Y > 0)
  69                 moveDown = true;
  70             else if (velocity.Y < 0)
  71                 moveUp = true;
  72             Point destination = MovementManager.GetNeighborCell(mMotion.Coordinates, moveLeft, moveRight, moveUp, moveDown);
  73             mMotion.Update(timeSpan, moveLeft, moveRight, moveUp, moveDown);
  74
  75
  76         }
  77         /// <summary>
  78         /// This method will draw a projectile to the screen
  79         /// </summary>
  80         /// <param name="spriteBatch"></param>
  81         /// <param name="topLeftX">The map X pixel position of the topLeft of the display</param>
  82         /// <param name="topLeftY">The map Y pixel position of the topLeft of the display</param>
  83         public void Draw(SpriteBatch spriteBatch)
  84         {
  85             Rectangle position = mGame.State.Map.GetRectangleFromCoordinates(mMotion.Position);
  86             spriteBatch.Draw(projectileModel, position, Color.White);
  87
  88         }
  89
  90         /// <summary>
  91         /// Basic getters and setters
  92         /// </summary>
  93         public int GridX { get { return gridX; } set { gridX = value; } }
  94         public int GridY { get { return gridY; } set { gridY = value; } }
  95         public int PixelX { get { return pixelX; } set { pixelX = value; } }
  96         public int PixelY { get { return pixelY; } set { pixelY = value; } }
  97         public int Damage { get { return damage; } set { damage = value; } }
  98         public Vector2 Position { get { return mMotion.Position; } }
  99         public Point Coordinates { get { return mMotion.Coordinates; } }
 100     }
 101 }