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