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tamanegicode · Dec 20, 2023 · ce6a36f · ce6a36f
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diff --git a/Bullet.cs b/Bullet.cs
@@ -0,0 +1,196 @@
+#region Using Statements
+using System;
+using System.Collections.Generic;
+using Microsoft.Xna.Framework;
+using Microsoft.Xna.Framework.Audio;
+using Microsoft.Xna.Framework.Content;
+using Microsoft.Xna.Framework.Graphics;
+using Microsoft.Xna.Framework.Input;
+using Microsoft.Xna.Framework.Storage;
+using Microsoft.Xna.Framework.GamerServices;
+#endregion
+
+namespace Tanks
+{
+    class Bullet
+    {
+        private Model bulletModel;
+        private Matrix world = Matrix.Identity;
+        private BasicEffect effect;
+        private GraphicsDevice graphicsDevice;
+        private Matrix[] boneTransforms;
+
+        private Tank tank;
+        private Tank targetTank;
+        private Map map;
+        private Vector3 position, direction, orientation, velocity, gravity;
+        private BoundingSphere boundingSphere;
+        private float speed, yaw;
+        private bool shoot = false;
+
+        /* Music / sound related
+        private SoundEffect shootSound;
+        private SoundEffectInstance shootSoundInstance;
+        */
+
+        public BoundingSphere BoundingSphere
+        {
+            get { return boundingSphere; }
+            set { boundingSphere = value; }
+        }
+
+        public Vector3 Position
+        {
+            get { return position; }
+            set { position = value; }
+        }
+
+        public Vector3 Orientation
+        {
+            get { return orientation; }
+            set { orientation = value; }
+        }
+
+        public Bullet(GraphicsDevice graphicsDevice, ContentManager contentManager, Tank tank, Tank targetTank, Map map)
+        {
+            /* Music / sound related
+            shootSound = contentManager.Load<SoundEffect>("shootSound");
+            shootSoundInstance = shootSound.CreateInstance();
+            shootSoundInstance.Volume = 0.7f;
+            */
+
+            this.graphicsDevice = graphicsDevice;
+            bulletModel = contentManager.Load<Model>("esfera");
+            this.effect = map.Effect;
+            this.tank = tank;
+            this.targetTank = targetTank;
+            this.map = map;
+
+            this.orientation = tank.TankOrientation;
+
+            boundingSphere = new BoundingSphere();
+            boundingSphere.Radius = 0.8f;
+
+            speed = 0.2f;
+            gravity = new Vector3(0, -9.8f, 0);
+
+            boneTransforms = new Matrix[bulletModel.Bones.Count];
+        }
+
+        public void Update(GameTime gameTime)
+        {
+            if (Keyboard.GetState().IsKeyDown(Keys.Space) && shoot == false)
+            {
+                /* Music / sound related
+                shootSoundInstance.Play();
+                */
+
+                direction = Vector3.Zero;
+
+                Matrix rotationMatrix = Matrix.CreateFromYawPitchRoll(tank.Yaw + tank.TurretRotationValue, tank.CannonRotationValue, 0);
+
+                direction = Vector3.Transform(new Vector3(0, 0, 1), rotationMatrix);
+                direction.Normalize();
+
+                position = tank.Position + tank.TankOrientation * 1.7f + direction;
+
+                velocity = direction * 20;
+
+                bulletModel.Root.Transform = Matrix.CreateScale(0.2f) * Matrix.CreateTranslation(position);
+                boundingSphere.Center = position;
+                shoot = true;
+            }
+
+            if (shoot)
+            {
+                float time = (float)gameTime.ElapsedGameTime.TotalSeconds;
+                position += velocity * time;
+                velocity += gravity * time;
+                boundingSphere.Center = position;
+            }
+            else
+            {
+                boundingSphere.Center = Vector3.Zero;
+                position = tank.Position;
+                bulletModel.Root.Transform = Matrix.CreateScale(0.2f) * Matrix.CreateTranslation(position);
+            }
+
+            if ((position.X < 1f || position.X > map.Width - 1f || position.Z < 1f || position.Z > map.Height - 1f) 
+                || position.Y < map.CalcSurfaceFollow(position, 0f).Y || targetTank.Collided)
+            {
+                shoot = false;    
+                boundingSphere.Center = Vector3.Zero;   
+            }            
+        }
+
+        public void UpdateP2(GameTime gameTime)
+        {
+            if (Keyboard.GetState().IsKeyDown(Keys.NumPad5) && shoot == false)
+            {
+                /* Music / sound related
+                shootSound.Play();
+                */
+
+                direction = Vector3.Zero;
+
+                Matrix rotationMatrix = Matrix.CreateFromYawPitchRoll(tank.Yaw + tank.TurretRotationValue, tank.CannonRotationValue, 0);
+
+                direction = Vector3.Transform(new Vector3(0, 0, 1), rotationMatrix);
+                direction.Normalize();
+
+                position = tank.Position + tank.TankOrientation * 1.7f + direction;
+
+                velocity = direction * 20;
+
+                bulletModel.Root.Transform = Matrix.CreateScale(0.2f) * Matrix.CreateTranslation(position);
+
+                shoot = true;
+            }
+
+            if (shoot)
+            {
+                float time = (float)gameTime.ElapsedGameTime.TotalSeconds;
+                position += velocity * time;
+                velocity += gravity * time;
+                boundingSphere.Center = position;
+            }
+            else
+            {
+                boundingSphere.Center = Vector3.Zero;
+                position = tank.Position;
+                bulletModel.Root.Transform = Matrix.CreateScale(0.2f) * Matrix.CreateTranslation(position);
+            }
+
+            if ((position.X < 1f || position.X > map.Width - 1f || position.Z < 1f || position.Z > map.Height - 1f) || position.Y < map.CalcSurfaceFollow(position, 0f).Y || targetTank.Collided)
+            {
+                shoot = false;
+                boundingSphere.Center = Vector3.Zero;
+            }
+        }
+
+        public void Draw()
+        {
+            bulletModel.Root.Transform = world;
+            bulletModel.CopyAbsoluteBoneTransformsTo(boneTransforms);
+
+            Matrix worldMatrix = Matrix.CreateScale(0.2f) * Matrix.CreateTranslation(position);
+
+            if (shoot)
+            {
+                foreach (ModelMesh mesh in bulletModel.Meshes)
+                {
+                    foreach (BasicEffect effect in mesh.Effects)
+                    {
+                        effect.View = this.effect.View;
+                        effect.Projection = this.effect.Projection;
+                        effect.World = boneTransforms[mesh.ParentBone.Index] * worldMatrix;
+                        effect.EnableDefaultLighting();
+                        effect.LightingEnabled = true;
+                    }
+
+                    mesh.Draw();
+                }
+            }
+        }
+    }
+}