+ KillZone & Ball Movements (bases)

client/Ball.cs

@@ -1,6 +1,7 @@
 using Microsoft.Xna.Framework;
 using Microsoft.Xna.Framework.Graphics;
 using MonoGame.Extended;
+using MonoGame.Extended.Timers;
 using System;
 using System.Collections.Generic;
 using System.Linq;
@@ -11,29 +12,36 @@ namespace client
 {
     internal class Ball
     {
-        private Vector2 Position { get; set; }
+        public Vector2 Position = new Vector2(0, 0);
-        private int Radius { get; set; }
+        public Vector2 DefaultPosition = new Vector2(0,0);
-        private float InitialSpeed { get; set; }
+        public int Radius = 5;
-        private float Acceleration { get; set; }
+        public bool CanMove = false;
-        private int Delta { get; set; } // Delta time = milliseconds
+
+        // Movement
+        private float MoveX = 0f;
+        private float MoveY = 0f;
+        private float Speed = 100f;
+
+        Random random = new Random();
 
         // Constructors
-        public Ball(GraphicsDevice graphicsDevice)
+        public Ball(GraphicsDevice graphicsDevice, GameTime gameTime)
         {
-            this.Position = new Vector2(0,0);
-            this.Radius = 5;
-            this.InitialSpeed = 0.5f;
-            this.Acceleration = 0.1f;
-            this.Delta = 100;
         }
 
-        public Ball(Vector2 position, int radius, float initialSpeed, float acceleration, int delta)
+        public Ball(Vector2 position, int radius, float speed)
         {
             this.Position = position;
+            this.DefaultPosition = position;
             this.Radius = radius;
-            this.InitialSpeed = initialSpeed;
+            this.Speed = speed;
-            this.Acceleration = acceleration;
+        }
-            this.Delta = delta;
+
+        // Default Position
+        public Ball GetBackToDefaultPos()
+        {
+            this.Position = this.DefaultPosition;
+            return this;
         }
 
         // Draw ball
@@ -53,11 +61,64 @@ namespace client
         // Start | Stop ball moving
         public Ball StartMoving()
         {
+            this.MoveX = random.Next((int)-this.Speed, (int)this.Speed);
+            this.MoveY = random.Next((int)-this.Speed, (int)this.Speed);
+            this.CanMove = true;
+            return this;
+        }
+
+        public Ball Move(GameTime gameTime, float screenHeight, float screenWidth, Player p1, Player p2)
+        {
+            if (this.CanMove)
+            {
+                // X
+                if (this.Position.X < 0)
+                {
+                    this.MoveX -= this.Speed;
+                }
+                else
+                {
+                    this.MoveX += this.Speed;
+                }
+                // Y
+                if (this.Position.Y < 0)
+                {
+                    this.MoveY -= this.Speed;
+                }
+                else
+                {
+                    this.MoveY += this.Speed;
+                }
+
+                this.Position.X += this.MoveX;
+                this.Position.Y += this.MoveY;
+
+                // Collisions
+                if (this.Position.Y < this.Radius*2 && this.MoveY < 0)
+                {
+                    this.MoveY = Math.Abs(this.MoveY);
+                }
+                if (this.Position.Y > screenHeight - this.Radius*2 && this.MoveY > 0)
+                {
+                    this.MoveY = -this.MoveY;
+                }
+
+                if (
+                    (this.Position.X < p1.Position.X + p1.width && this.Position.X > p1.Position.X && this.Position.Y > p1.Position.Y && this.Position.Y < p1.Position.Y + p1.height) ||
+                    (this.Position.X+ this.Radius*2 > p2.Position.X && this.Position.X + this.Radius*2 < p2.Position.X + p2.width && this.Position.Y > p2.Position.Y && this.Position.Y < p2.Position.Y + p2.height)
+                   )
+                {
+                    this.MoveX = -this.MoveX;
+                }
+
+            }
+
             return this;
         }
 
         public Ball StopMoving()
         {
+            this.CanMove = false;
             return this;
         }
     }

client/Game1.cs

@@ -9,6 +9,8 @@ namespace client
         private Player pl1;
         private Player pl2;
         private Ball ball;
+        private KillZone killZone1;
+        private KillZone killZone2;
 
         private GraphicsDeviceManager _graphics;
         private SpriteBatch _spriteBatch;
@@ -28,7 +30,7 @@ namespace client
                 15,
                 100,
                 100f
-            );
+            ).SetControllable(true);
             
             pl2 = new Player(
                 new Vector2(_graphics.PreferredBackBufferWidth - 30, _graphics.PreferredBackBufferHeight / 2 - 50),
@@ -41,11 +43,27 @@ namespace client
             ball = new Ball(
                 new Vector2(_graphics.PreferredBackBufferWidth / 2 - 5, _graphics.PreferredBackBufferHeight / 2 - 5),
                 10,
-                0.5f,
+                0.2f
-                0.1f,
-                100
             );
 
+            // KILLZONE
+            killZone1 = new KillZone(
+                new Vector2(0, 0),
+                15,
+                _graphics.PreferredBackBufferHeight
+            );
+
+            killZone2 = new KillZone(
+                new Vector2(_graphics.PreferredBackBufferWidth - 15, 0),
+                15,
+                _graphics.PreferredBackBufferHeight
+            );
+            killZone2.isLeft = false;
+
+
+            // TEST
+            ball.StartMoving();
+
             base.Initialize();
         }
 
@@ -56,8 +74,12 @@ namespace client
 
         protected override void Update(GameTime gameTime)
         {
-            /*if (GamePad.GetState(PlayerIndex.One).Buttons.Back == ButtonState.Pressed || Keyboard.GetState().IsKeyDown(Keys.Escape))
+            pl1.InputsControls(gameTime, _graphics.PreferredBackBufferHeight);
-                Exit();*/
+
+            ball.Move(gameTime, _graphics.PreferredBackBufferHeight, _graphics.PreferredBackBufferWidth, pl1, pl2);
+
+            killZone1.Collisions(ball);
+            killZone2.Collisions(ball);
 
             base.Update(gameTime);
         }
@@ -72,6 +94,9 @@ namespace client
 
             ball.Draw(_spriteBatch, GraphicsDevice);
 
+            killZone1.Draw(_spriteBatch, GraphicsDevice);
+            killZone2.Draw(_spriteBatch, GraphicsDevice);
+
             _spriteBatch.End();
             base.Draw(gameTime);
         }

client/KillZone.cs

@@ -0,0 +1,64 @@
+using Microsoft.Xna.Framework;
+using Microsoft.Xna.Framework.Graphics;
+using System;
+using System.Collections.Generic;
+using System.Diagnostics;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace client
+{
+    internal class KillZone
+    {
+        private Vector2 Position;
+        private int Width;
+        private int Height;
+        public bool isLeft = true;
+
+        public bool Debug = false;
+
+        public KillZone(Vector2 position, int width, int height)
+        {
+            Position = position;
+            Width = width;
+            Height = height;
+        }
+
+        public void Draw(SpriteBatch spriteBatch, GraphicsDevice graphicsDevice)
+        {
+            Texture2D texture = new Texture2D(graphicsDevice, this.Width, this.Height);
+            Color[] data = new Color[this.Width * this.Height];
+            for (int i = 0; i < data.Length; ++i)
+            {
+                if (Debug)
+                {
+                    data[i] = Color.Red;
+                } else
+                {
+                    data[i] = Color.Transparent;
+                }
+            }
+            texture.SetData(data);
+            spriteBatch.Draw(texture, this.Position, Color.White);
+        }
+
+        public void Collisions(Ball ball)
+        {
+            if (this.isLeft)
+            {
+                if (ball.Position.X < this.Position.X + this.Width && ball.CanMove)
+                {
+                    ball.StopMoving();
+                }
+            }
+            else
+            {
+                if (ball.Position.X > this.Position.X && ball.CanMove)
+                {
+                    ball.StopMoving();
+                }
+            }
+        }
+    }
+}

client/Player.cs

@@ -1,5 +1,6 @@
 using Microsoft.Xna.Framework;
 using Microsoft.Xna.Framework.Graphics;
+using Microsoft.Xna.Framework.Input;
 using System;
 using System.Collections.Generic;
 using System.Linq;
@@ -11,7 +12,7 @@ namespace client
 {
     internal class Player
     {
-        private Vector2 Position { get; set; }
+        public Vector2 Position { get; set; }
         private Vector2 DefaultPosition { get; set; }
         public int width;
         public int height;
@@ -62,6 +63,13 @@ namespace client
             return this;
         }
 
+        // Set controllable by input
+        public Player SetControllable(bool state)
+        {
+            this.canMove = state;
+            return this;
+        }
+
         // Draw player on screen
         public Player DrawPlayer(SpriteBatch spriteBatch, GraphicsDevice _graphicsDevice)
         {
@@ -76,5 +84,33 @@ namespace client
             spriteBatch.Draw(texture, this.Position, Color.White);
             return this;
         }
+
+        // Inputs controls
+        public Player InputsControls(GameTime gameTime, float screenHeight)
+        {
+            if (this.canMove)
+            {
+                if (Keyboard.GetState().IsKeyDown(Keys.Up))
+                {
+                    Vector2 asked = new Vector2(this.Position.X, this.Position.Y - this.speed * (float)gameTime.ElapsedGameTime.TotalSeconds);
+                    if (asked.Y <= 0)
+                    {
+                        asked.Y = 0f;
+                    }
+                    this.Position = asked;
+                }
+
+                if (Keyboard.GetState().IsKeyDown(Keys.Down))
+                {
+                    Vector2 asked = new Vector2(this.Position.X, this.Position.Y + this.speed * (float)gameTime.ElapsedGameTime.TotalSeconds);
+                    if (asked.Y >= screenHeight - this.height)
+                    {
+                        asked.Y = screenHeight - this.height;
+                    }
+                    this.Position = asked;
+                }
+            }
+            return this;
+        }
     }
 }