spieleprogrammierer.de - Forum und Wiki zur Spieleprogrammierung und Spieleentwicklung

C#-Quelltext

public class Game1 : Microsoft.Xna.Framework.Game 
{ 
        GraphicsDeviceManager graphics; 
        SpriteBatch spriteBatch; 
        Texture2D image, wasser; 
        float Gravity = 10.0F; 
        float JumpStrength = 40.0F; 
        Vector2 Position = new Vector2(1200,620); 
        Vector2 Velocity; float rotation = 0; 

        public Game1() 
        { 
            graphics = new GraphicsDeviceManager(this); 
            Content.RootDirectory = "Content"; 
            graphics.PreferredBackBufferWidth = 1280; 
            graphics.PreferredBackBufferHeight = 720; 
        } 

        protected override void Initialize() 
        { 
            base.Initialize(); 
        } 
        
        protected override void LoadContent() 
        {    
            spriteBatch = new SpriteBatch(GraphicsDevice); 
            image = Content.Load<Texture2D>("delphingrau"); 
            wasser = Content.Load<Texture2D>("meerwasser"); 
        } 
      
        protected override void Update(GameTime gameTime) 
        { 
            float time = (float)gameTime.ElapsedGameTime.TotalSeconds; 
            KeyboardState kbState = Keyboard.GetState(); 

            if(kbState.IsKeyDown(Keys.Left)) 
            { 
                Velocity.X -= 200.0F; 
            } 

            if(kbState.IsKeyDown(Keys.Right)) 
            { 
                Velocity.X += 200.0F; 
            } 
  
            // der Sprung darf nur ausgeführt werden wenn der Delphin ein kleines Stück unter Wasser ist 
            if(Position.Y >= 670) 
            { 
                if (kbState.IsKeyDown(Keys.A)) 
                    Velocity.Y = -JumpStrength; 
            } 
            else 
            { 
                Velocity.Y += Gravity * time; 
            } 

            Position += Velocity * time; 
            Velocity.X = 0; 
            if (Position.Y + image.Height/2 > graphics.PreferredBackBufferHeight) 
                Position.Y = graphics.PreferredBackBufferHeight - image.Height/2; 
            rotation = (float)Math.Atan2(Velocity.Y, Velocity.X); 
            base.Update(gameTime); 
        } 
    
        protected override void Draw(GameTime gameTime) 
        { 
            GraphicsDevice.Clear(Color.CornflowerBlue); 
            spriteBatch.Begin(); 
            spriteBatch.Draw(wasser, new Rectangle(0, graphics.PreferredBackBufferHeight -100, graphics.PreferredBackBufferWidth, 100), Color.White); 
            spriteBatch.Draw(image, Position, null, Color.White, rotation, new Vector2(image.Width/2, image.Height/2), 1, SpriteEffects.None, 1); 
            spriteBatch.End();            

            base.Draw(gameTime); 
        } 
    }

C#-Quelltext

public class Game1 : Microsoft.Xna.Framework.Game     { 
        GraphicsDeviceManager graphics; 
        SpriteBatch spriteBatch; 
        Texture2D image, boden; 
        float Gravity = 5.0F; 
        float beschleunigung = 20.0F; 
        Vector2 Position = new Vector2(1200,720); 
        Vector2 Velocity; 
        float rotation = 0; 
        SpriteEffects flip; 
        Vector2 Speed = new Vector2(0, 0); 

        public Game1() 
        { 
            graphics = new GraphicsDeviceManager(this); 
            Content.RootDirectory = "Content"; 
            graphics.PreferredBackBufferWidth = 1280; 
            graphics.PreferredBackBufferHeight = 720; 
        } 

        protected override void Initialize() 
        { 
            base.Initialize(); 
        } 
        
        protected override void LoadContent() 
        {    
            spriteBatch = new SpriteBatch(GraphicsDevice); 
            image = Content.Load("delphingrau"); 
            boden = Content.Load("background"); 
            flip = SpriteEffects.None; 
        } 

        protected override void UnloadContent() 
        { 
            // TODO: Unload any non ContentManager content here 
        } 
      
        protected override void Update(GameTime gameTime) 
        { 
            float VelocityX = 0f; 
            float VelocityY = 0f; 

            float time = (float)gameTime.ElapsedGameTime.TotalSeconds; 
            KeyboardState kbState = Keyboard.GetState(); 
            if(kbState.IsKeyDown(Keys.Left)) 
            { 
                rotation = 0; 
                flip = SpriteEffects.None; 
                VelocityX += -5f; 
            } 

            if(kbState.IsKeyDown(Keys.Right)) 
            { 
                rotation = 0; 
                flip = SpriteEffects.FlipHorizontally; 
                VelocityX += 5f; 
            } 
  
            // der Sprung darf nur ausgeführt werden wenn der Delphin ein kleines Stück unter Wasser ist 
            if(Position.Y >= 670) 
            { 
                if (kbState.IsKeyDown(Keys.A)) 
                {      
                    if (flip == SpriteEffects.None) 
                    { 
                      rotation = 45; 
                      VelocityY += 40f; 
                    } 
                    else 
                    { 
                      rotation = -45; 
                      VelocityY += 40f; 
                    } 
                } 
            } 
            else 
            { 
                VelocityY += -10f; 
            } 

            // Geschwindigkeitsänderungen 
            float deltaY = 0; 
            float deltaX = 0; 

            // Gravitation wirken 
            deltaY = Gravity * (float)gameTime.ElapsedGameTime.TotalSeconds; 

            // Beschleunigung wirken lassen 
            deltaX += VelocityX * (float)gameTime.ElapsedGameTime.TotalSeconds * beschleunigung; 
            deltaY += -VelocityY * (float)gameTime.ElapsedGameTime.TotalSeconds * beschleunigung; 

            // Geschwindigkeitsänderung auf den Delphin anwenden 
             Speed = new Vector2(Speed.X + deltaX, Speed.Y + deltaY); 

            // Neue Position des Delphins ermitteln 
            Position += Speed * (float)gameTime.ElapsedGameTime.TotalSeconds; 

            Velocity.X = 0; 

            if (Position.Y + image.Height/2 > graphics.PreferredBackBufferHeight) 
                Position.Y = graphics.PreferredBackBufferHeight - image.Height/2; 

            base.Update(gameTime); 
        } 
    
        protected override void Draw(GameTime gameTime) 
        { 
            GraphicsDevice.Clear(Color.CornflowerBlue); 
            spriteBatch.Begin(); 
            spriteBatch.Draw(boden, new Rectangle(0, graphics.PreferredBackBufferHeight -100, graphics.PreferredBackBufferWidth, 100), Color.White); 
            spriteBatch.Draw(image, Position, null, Color.White, MathHelper.ToRadians(rotation), newVector2(image.Width / 2, image.Height / 2), 1, flip, 1); 
            spriteBatch.End();            

            base.Draw(gameTime); 
        } 
    }