Grafika3D - Heksaedr

http://www78.zippyshare.com/v/ToTOxHJc/file.html

using System;
using System.Collections.Generic;
using System.Linq;
using Microsoft.Xna.Framework;
using Microsoft.Xna.Framework.Audio;
using Microsoft.Xna.Framework.Content;
using Microsoft.Xna.Framework.GamerServices;
using Microsoft.Xna.Framework.Graphics;
using Microsoft.Xna.Framework.Input;
using Microsoft.Xna.Framework.Media;

namespace Grafika3D_Hexaedr
{
    /// <summary>
    /// This is the main type for your game
    /// </summary>
    public class Game1 : Microsoft.Xna.Framework.Game
    {
        GraphicsDeviceManager graphics;
        SpriteBatch spriteBatch;

        #region Deklaracja potrzebnych zmiennych
        Matrix worldMatrix, viewMatrix, projectionMatrix;       // Macierze: świata, widoku, projekcji
        BasicEffect basicEffect;                                // klasa implementująca odpowiednie programy
        VertexPositionColor[] userPrimitives;                   // tablica przechowująca geometrię modelu
        float angleX = 0.0f, angleY = 0.0f;                     // zmienne położenia kamery obserwatora
        #endregion
        int frameUpdateTime = 50;
        int elapsedUpdateTime = 0;
        public Game1()
        {
            graphics = new GraphicsDeviceManager(this);
            Content.RootDirectory = "Content";
            this.IsMouseVisible = true;
            this.Window.AllowUserResizing = true;
        }

        /// <summary>
        /// Allows the game to perform any initialization it needs to before starting to run.
        /// This is where it can query for any required services and load any non-graphic
        /// related content.  Calling base.Initialize will enumerate through any components
        /// and initialize them as well.
        /// </summary>
        protected override void Initialize()
        {
            // TODO: Add your initialization logic here

            base.Initialize();
        }

        /// <summary>
        /// LoadContent will be called once per game and is the place to load
        /// all of your content.
        /// </summary>
        protected override void LoadContent()
        {
            // Create a new SpriteBatch, which can be used to draw textures.
            spriteBatch = new SpriteBatch(GraphicsDevice);

            #region Tworzenie geometrii modelu
            basicEffect = new BasicEffect(GraphicsDevice);
            basicEffect.VertexColorEnabled = true;
            userPrimitives = new VertexPositionColor[18];

            #region
            //ściana przednia
                //Trójkąt dolny
            userPrimitives[0] = new VertexPositionColor(new Vector3(-1, -1, 1), Color.Blue);
            userPrimitives[1] = new VertexPositionColor(new Vector3(-1, 1, 1), Color.Blue);
            userPrimitives[2] = new VertexPositionColor(new Vector3(1, -1, 1), Color.Blue);

                //Trójkąt górny
            userPrimitives[3] = new VertexPositionColor(new Vector3(-1, 1, 1), Color.Blue);
            userPrimitives[4] = new VertexPositionColor(new Vector3(1, 1, 1), Color.Blue);
            userPrimitives[5] = new VertexPositionColor(new Vector3(1, -1, 1), Color.Blue);
            #endregion

            //ściana lewa
                //Trójkąt dolny
            userPrimitives[12] = new VertexPositionColor(new Vector3(-1, -1, -1), Color.Yellow);
            userPrimitives[13] = new VertexPositionColor(new Vector3(-1, -1, 1), Color.Yellow);
            userPrimitives[14] = new VertexPositionColor(new Vector3(-1, 1, 1), Color.Yellow);

            //Trójkąt górny
            userPrimitives[15] = new VertexPositionColor(new Vector3(-1, 1, 1), Color.Yellow);
            userPrimitives[16] = new VertexPositionColor(new Vector3(-1, 1, -1), Color.Yellow);
            userPrimitives[17] = new VertexPositionColor(new Vector3(-1, -1, -1), Color.Yellow);


            //ściana prawa
                //Trójkąt dolny
            userPrimitives[6] = new VertexPositionColor(new Vector3(1, 1, -1), Color.Green);
            userPrimitives[7] = new VertexPositionColor(new Vector3(1, -1, -1), Color.Green);
            userPrimitives[8] = new VertexPositionColor(new Vector3(1, -1, 1), Color.Green);

                //Trójkąt górny
            userPrimitives[9]  = new VertexPositionColor(new Vector3(1, 1, 1), Color.Green);
            userPrimitives[10] = new VertexPositionColor(new Vector3(1, 1, -1), Color.Green);
            userPrimitives[11] = new VertexPositionColor(new Vector3(1, -1, 1), Color.Green);


            //ściana tylna
                //Trójkąt dolny
            userPrimitives[12] = new VertexPositionColor(new Vector3(1, 1, -1), Color.Red);
            userPrimitives[13] = new VertexPositionColor(new Vector3(1, -1, -1), Color.Red);
            userPrimitives[14] = new VertexPositionColor(new Vector3(-1, 1, -1), Color.Red);

            //Trójkąt górny
            userPrimitives[15] = new VertexPositionColor(new Vector3(1, -1, -1), Color.Red);
            userPrimitives[16] = new VertexPositionColor(new Vector3(-1, -1, -1), Color.Red);
            userPrimitives[17] = new VertexPositionColor(new Vector3(-1, 1, -1), Color.Red);



            #endregion
        }

        /// <summary>
        /// UnloadContent will be called once per game and is the place to unload
        /// all content.
        /// </summary>
        protected override void UnloadContent()
        {
            // TODO: Unload any non ContentManager content here
        }

        /// <summary>
        /// Allows the game to run logic such as updating the world,
        /// checking for collisions, gathering input, and playing audio.
        /// </summary>
        /// <param name="gameTime">Provides a snapshot of timing values.</param>
        protected override void Update(GameTime gameTime)
        {
            var keyboard = Keyboard.GetState();     //zmienna pomocnicza
            elapsedUpdateTime += gameTime.ElapsedGameTime.Milliseconds;
            // Allows the game to exit
            if (keyboard.IsKeyDown(Keys.Escape))
                this.Exit();

            if (elapsedUpdateTime >= frameUpdateTime)
            {
                elapsedUpdateTime = 0;
                // modyfikacja wartości kątów odchylenia
                if (keyboard.IsKeyDown(Keys.Right))
                    angleY += 0.2f;
                if (keyboard.IsKeyDown(Keys.Left))
                    angleY -= 0.2f;
                if (keyboard.IsKeyDown(Keys.Up))
                    angleX += 0.2f;
                if (keyboard.IsKeyDown(Keys.Down))
                    angleX -= 0.2f;
            }
            #region
            //Tworzenie Macierzy świata, widoku i projekcji
            worldMatrix = Matrix.Identity;
            viewMatrix = Matrix.CreateLookAt(
                new Vector3(0.0f, 0.0f, 5.0f),  // położenie kamery (jak na rysunku)
                Vector3.Zero, Vector3.Up);      // cel i orientacja kamery
            projectionMatrix = Matrix.CreatePerspectiveFieldOfView(MathHelper.ToRadians(50),
                graphics.GraphicsDevice.Viewport.AspectRatio, 0.2f, 1000.0f);
            #endregion

            // realizacja obrotu kamery
            viewMatrix = Matrix.CreateRotationX(angleX) * Matrix.CreateRotationY(angleY) * viewMatrix;

            // aktualizacja parametrów shadera
            basicEffect.World = worldMatrix;
            basicEffect.View = viewMatrix;
            basicEffect.Projection = projectionMatrix;


            base.Update(gameTime);
        }

        /// <summary>
        /// This is called when the game should draw itself.
        /// </summary>
        /// <param name="gameTime">Provides a snapshot of timing values.</param>
        protected override void Draw(GameTime gameTime)
        {
            GraphicsDevice.Clear(Color.CornflowerBlue);

            #region Wyświetlanie sceny
            basicEffect.CurrentTechnique.Passes[0].Apply(); // "uruchamia" shader
            GraphicsDevice.DrawUserPrimitives<VertexPositionColor>(PrimitiveType.TriangleList,
                userPrimitives,     // referencja do tablicy wierzchołków
                0,                  // offset pierwszego wierzchołka
                userPrimitives.Length / 3);                 // liczba prymitywów (tutaj trójkątów) do wyświetlenia
            #endregion


            base.Draw(gameTime);
        }
    }
}