342 lines
19 KiB
C#
342 lines
19 KiB
C#
#region Using Statements
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using System;
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using System.Collections.Generic;
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using System.Linq;
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using ANX.Framework;
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using ANX.Framework.Content;
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using ANX.Framework.GamerServices;
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using ANX.Framework.Graphics;
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using ANX.Framework.Input;
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using ANX.Framework.Media;
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#endregion // Using Statements
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// This file is part of the ANX.Framework created by the
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// "ANX.Framework developer group" and released under the Ms-PL license.
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// For details see: http://anxframework.codeplex.com/license
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namespace Primitives
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{
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public class Game1 : ANX.Framework.Game
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{
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GraphicsDeviceManager graphics;
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SpriteBatch spriteBatch;
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SpriteFont font;
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Texture2D bgTexture;
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BasicEffect basicEffect;
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Effect hardwareInstanceEffect;
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Matrix viewMatrix;
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Matrix instancedViewMatrix;
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Matrix projectionMatrix;
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Matrix instancedProjectionMatrix;
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Matrix worldMatrix;
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float rotation = 0.0f;
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DynamicVertexBuffer instanceVertexBuffer;
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VertexBuffer cubeNoIndicesBuffer;
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VertexBuffer cubeVertexBuffer;
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IndexBuffer cubeIndexBuffer;
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bool[] enabled = new bool[] { true, true, true, true, true };
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KeyboardState lastKeyState;
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#region Corners of cube
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static Vector3 topLeftFront = new Vector3( -1.0f, 1.0f, 1.0f );
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static Vector3 bottomLeftFront = new Vector3(-1.0f, -1.0f, 1.0f);
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static Vector3 topRightFront = new Vector3(1.0f, 1.0f, 1.0f);
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static Vector3 bottomRightFront = new Vector3(1.0f, -1.0f, 1.0f);
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static Vector3 topLeftBack = new Vector3(-1.0f, 1.0f, -1.0f);
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static Vector3 topRightBack = new Vector3(1.0f, 1.0f, -1.0f);
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static Vector3 bottomLeftBack = new Vector3(-1.0f, -1.0f, -1.0f);
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static Vector3 bottomRightBack = new Vector3(1.0f, -1.0f, -1.0f);
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#endregion
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Matrix[] instanceTransformMatrices = new Matrix[] { Matrix.CreateTranslation(-10.0f, 0.0f, 0.0f),
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Matrix.CreateTranslation(-5.0f, 0.0f, 0.0f),
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Matrix.CreateTranslation(0.0f, 0.0f, 0.0f),
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Matrix.CreateTranslation(5.0f, 0.0f, 0.0f),
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Matrix.CreateTranslation(10.0f, 0.0f, 0.0f),
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};
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VertexDeclaration instanceDecl = new VertexDeclaration
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(
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new VertexElement(0, VertexElementFormat.Vector4, VertexElementUsage.BlendWeight, 0),
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new VertexElement(16, VertexElementFormat.Vector4, VertexElementUsage.BlendWeight, 1),
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new VertexElement(32, VertexElementFormat.Vector4, VertexElementUsage.BlendWeight, 2),
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new VertexElement(48, VertexElementFormat.Vector4, VertexElementUsage.BlendWeight, 3)
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);
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VertexPositionColor[] cubeVertices = new VertexPositionColor[] { new VertexPositionColor(topLeftFront, Color.White),
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new VertexPositionColor(bottomLeftFront, Color.White),
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new VertexPositionColor(topRightFront, Color.White),
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new VertexPositionColor(bottomRightFront, Color.White),
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new VertexPositionColor(topLeftBack, Color.White),
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new VertexPositionColor(topRightBack, Color.White),
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new VertexPositionColor(bottomLeftBack, Color.White),
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new VertexPositionColor(bottomRightBack, Color.White)
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};
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short[] cubeIndices = new short[] { 0, 3, 1,
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0, 2, 3,
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4, 6, 7,
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4, 7, 5,
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0, 4, 2,
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2, 4, 5,
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1, 3, 6,
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3, 7, 6,
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0, 1, 6,
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6, 4, 0,
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2, 7, 3,
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7, 2, 5 };
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VertexPositionColor[] cubeNoIndices = new VertexPositionColor[] { new VertexPositionColor(topLeftFront, Color.White), // 0
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new VertexPositionColor(bottomRightFront, Color.White), // 3
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new VertexPositionColor(bottomLeftFront, Color.White), // 1
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new VertexPositionColor(topLeftFront, Color.White), // 0
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new VertexPositionColor(topRightFront, Color.White), // 2
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new VertexPositionColor(bottomRightFront, Color.White), // 3
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new VertexPositionColor(topLeftBack, Color.White), // 4
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new VertexPositionColor(bottomLeftBack, Color.White), // 6
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new VertexPositionColor(bottomRightBack, Color.White), // 7
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new VertexPositionColor(topLeftBack, Color.White), // 4
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new VertexPositionColor(bottomRightBack, Color.White), // 7
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new VertexPositionColor(topRightBack, Color.White), // 5
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new VertexPositionColor(topLeftFront, Color.White), // 0
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new VertexPositionColor(topLeftBack, Color.White), // 4
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new VertexPositionColor(topRightFront, Color.White), // 2
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new VertexPositionColor(topRightFront, Color.White), // 2
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new VertexPositionColor(topLeftBack, Color.White), // 4
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new VertexPositionColor(topRightBack, Color.White), // 5
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new VertexPositionColor(bottomLeftFront, Color.White), // 1
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new VertexPositionColor(bottomRightFront, Color.White), // 3
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new VertexPositionColor(bottomLeftBack, Color.White), // 6
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new VertexPositionColor(bottomRightFront, Color.White), // 3
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new VertexPositionColor(bottomRightBack, Color.White), // 7
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new VertexPositionColor(bottomLeftBack, Color.White), // 6
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new VertexPositionColor(topLeftFront, Color.White), // 0
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new VertexPositionColor(bottomLeftFront, Color.White), // 1
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new VertexPositionColor(bottomLeftBack, Color.White), // 6
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new VertexPositionColor(bottomLeftBack, Color.White), // 6
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new VertexPositionColor(topLeftBack, Color.White), // 4
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new VertexPositionColor(topLeftFront, Color.White), // 0
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new VertexPositionColor(topRightFront, Color.White), // 2
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new VertexPositionColor(bottomRightBack, Color.White), // 7
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new VertexPositionColor(bottomRightFront, Color.White), // 3
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new VertexPositionColor(bottomRightBack, Color.White), // 7
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new VertexPositionColor(topRightFront, Color.White), // 2
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new VertexPositionColor(topRightBack, Color.White), // 5
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};
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public Game1()
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{
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graphics = new GraphicsDeviceManager(this);
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Content.RootDirectory = "SampleContent";
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graphics.PreparingDeviceSettings += new EventHandler<PreparingDeviceSettingsEventArgs>(graphics_PreparingDeviceSettings);
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}
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void graphics_PreparingDeviceSettings(object sender, PreparingDeviceSettingsEventArgs e)
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{
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e.GraphicsDeviceInformation.PresentationParameters.BackBufferWidth = 600;
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e.GraphicsDeviceInformation.PresentationParameters.BackBufferHeight = 600;
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}
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protected override void Initialize()
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{
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base.Initialize();
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lastKeyState = Keyboard.GetState();
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}
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protected override void LoadContent()
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{
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spriteBatch = new SpriteBatch(GraphicsDevice);
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this.basicEffect = new BasicEffect(GraphicsDevice);
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this.hardwareInstanceEffect = Content.Load<Effect>(@"Effects/HardwareInstancing");
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this.worldMatrix = Matrix.Identity;
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this.projectionMatrix = Matrix.CreatePerspectiveFieldOfView(MathHelper.PiOver4, 300f/200f, 0.1f, 50.0f);
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this.instancedProjectionMatrix = Matrix.CreatePerspectiveFieldOfView(MathHelper.PiOver4, 600f / 200f, 0.1f, 50.0f);
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this.viewMatrix = Matrix.CreateLookAt(new Vector3(5, 5, 5), new Vector3(0, 0, 0), Vector3.Up);
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this.instancedViewMatrix = Matrix.CreateLookAt(new Vector3(0.0f, 5.0f, 10.0f), new Vector3(0, 0, 0), Vector3.Up);
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this.font = Content.Load<SpriteFont>(@"Fonts/Debug");
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this.bgTexture = new Texture2D(GraphicsDevice, 1, 1);
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this.bgTexture.SetData<Color>(new Color[] { Color.White });
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//
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// create a VertexBuffer for a cube without indices
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//
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this.cubeNoIndicesBuffer = new VertexBuffer(GraphicsDevice, typeof(VertexPositionColor), cubeNoIndices.Length, BufferUsage.None);
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this.cubeNoIndicesBuffer.SetData<VertexPositionColor>(cubeNoIndices);
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//
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// create a Vertex- and IndexBuffer for a cube with indexed primitives
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//
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this.cubeVertexBuffer = new VertexBuffer(GraphicsDevice, typeof(VertexPositionColor), cubeVertices.Length, BufferUsage.None);
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this.cubeVertexBuffer.SetData<VertexPositionColor>(cubeVertices);
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this.cubeIndexBuffer = new IndexBuffer(GraphicsDevice, typeof(short), this.cubeIndices.Length, BufferUsage.None);
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this.cubeIndexBuffer.SetData<short>(this.cubeIndices);
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//
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// create a VertexBuffer for the transformation matrices used by DrawInstancedPrimitives
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//
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this.instanceVertexBuffer = new DynamicVertexBuffer(GraphicsDevice, instanceDecl, 5, BufferUsage.WriteOnly);
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}
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protected override void UnloadContent()
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{
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}
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protected override void Update(GameTime gameTime)
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{
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if (GamePad.GetState(PlayerIndex.One).Buttons.Back == ButtonState.Pressed ||
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Keyboard.GetState().IsKeyDown(Keys.Escape))
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this.Exit();
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rotation += 1.0f * (float)gameTime.ElapsedGameTime.TotalSeconds;
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this.worldMatrix = Matrix.CreateRotationY(rotation);
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KeyboardState keyState = Keyboard.GetState();
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if (keyState.IsKeyDown(Keys.D1) && !lastKeyState.IsKeyDown(Keys.D1))
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enabled[0] = !enabled[0];
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if (keyState.IsKeyDown(Keys.D2) && !lastKeyState.IsKeyDown(Keys.D2))
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enabled[1] = !enabled[1];
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if (keyState.IsKeyDown(Keys.D3) && !lastKeyState.IsKeyDown(Keys.D3))
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enabled[2] = !enabled[2];
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if (keyState.IsKeyDown(Keys.D4) && !lastKeyState.IsKeyDown(Keys.D4))
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enabled[3] = !enabled[3];
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if (keyState.IsKeyDown(Keys.D5) && !lastKeyState.IsKeyDown(Keys.D5))
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enabled[4] = !enabled[4];
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lastKeyState = keyState;
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base.Update(gameTime);
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}
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protected override void Draw(GameTime gameTime)
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{
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GraphicsDevice.Clear(Color.CornflowerBlue);
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this.GraphicsDevice.Viewport = new Viewport(0, 0, 600, 600);
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spriteBatch.Begin();
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spriteBatch.Draw(bgTexture, new Rectangle(0, 0, 600, 200), Color.Blue);
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spriteBatch.Draw(bgTexture, new Rectangle(0, 200, 300, 200), Color.Red);
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spriteBatch.Draw(bgTexture, new Rectangle(300, 200, 300, 200), Color.Orange);
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spriteBatch.Draw(bgTexture, new Rectangle(0, 400, 300, 200), Color.Green);
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spriteBatch.Draw(bgTexture, new Rectangle(300, 400, 300, 200), Color.LightSeaGreen);
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DrawShadowText(spriteBatch, this.font, "DrawInstancedPrimitives\n (press 1 to " + (enabled[0] ? "disable" : "enable") + ")" , new Vector2(10, 10), Color.White, Color.Black);
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DrawShadowText(spriteBatch, this.font, "DrawPrimitives\n (press 2 to " + (enabled[1] ? "disable" : "enable") + ")", new Vector2(10, 210), Color.White, Color.Black);
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DrawShadowText(spriteBatch, this.font, "DrawIndexedPrimitives\n (press 3 to " + (enabled[2] ? "disable" : "enable") + ")", new Vector2(310, 210), Color.White, Color.Black);
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DrawShadowText(spriteBatch, this.font, "DrawUserPrimitives\n (press 4 to " + (enabled[3] ? "disable" : "enable") + ")", new Vector2(10, 410), Color.White, Color.Black);
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DrawShadowText(spriteBatch, this.font, "DrawUserIndexedPrimitives\n (press 5 to " + (enabled[4] ? "disable" : "enable") + ")", new Vector2(310, 410), Color.White, Color.Black);
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spriteBatch.End();
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this.GraphicsDevice.RasterizerState = new RasterizerState() { CullMode = CullMode.CullCounterClockwiseFace, FillMode = FillMode.WireFrame };
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this.basicEffect.VertexColorEnabled = true;
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this.basicEffect.View = this.viewMatrix;
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this.basicEffect.World = this.worldMatrix;
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this.basicEffect.Projection = this.projectionMatrix;
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this.basicEffect.CurrentTechnique.Passes[0].Apply();
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#region DrawPrimitives
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if (enabled[1])
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{
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GraphicsDevice.Viewport = new Viewport(0, 200, 300, 200);
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GraphicsDevice.SetVertexBuffer(this.cubeNoIndicesBuffer);
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GraphicsDevice.DrawPrimitives(PrimitiveType.TriangleList, 0, cubeNoIndices.Length / 3);
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}
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#endregion // DrawPrimitives
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#region DrawIndexedPrimitives
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if (enabled[2])
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{
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GraphicsDevice.Viewport = new Viewport(300, 200, 300, 200);
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GraphicsDevice.SetVertexBuffer(this.cubeVertexBuffer);
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GraphicsDevice.Indices = this.cubeIndexBuffer;
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GraphicsDevice.DrawIndexedPrimitives(PrimitiveType.TriangleList, 0, 0, cubeVertices.Length, 0, cubeNoIndices.Length / 3);
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}
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#endregion
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#region DrawUserPrimitives
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if (enabled[3])
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{
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GraphicsDevice.Viewport = new Viewport(0, 400, 300, 200);
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GraphicsDevice.DrawUserPrimitives<VertexPositionColor>(PrimitiveType.TriangleList, this.cubeNoIndices, 0, this.cubeNoIndices.Length / 3);
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}
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#endregion
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#region DrawUserIndexedPrimitives
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if (enabled[4])
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{
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GraphicsDevice.Viewport = new Viewport(300, 400, 300, 200);
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GraphicsDevice.DrawUserIndexedPrimitives<VertexPositionColor>(PrimitiveType.TriangleList, this.cubeVertices, 0, this.cubeVertices.Length, this.cubeIndices, 0, this.cubeIndices.Length / 3);
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}
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#endregion
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#region DrawInstancedPrimitives
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if (enabled[0])
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{
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GraphicsDevice.Viewport = new Viewport(0, 0, 600, 200);
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this.hardwareInstanceEffect.Parameters["View"].SetValue(this.instancedViewMatrix);
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this.hardwareInstanceEffect.Parameters["Projection"].SetValue(this.instancedProjectionMatrix);
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this.hardwareInstanceEffect.Parameters["World"].SetValue(this.worldMatrix);
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this.hardwareInstanceEffect.CurrentTechnique.Passes[0].Apply();
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instanceVertexBuffer.SetData<Matrix>(this.instanceTransformMatrices, 0, this.instanceTransformMatrices.Length, SetDataOptions.Discard);
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GraphicsDevice.SetVertexBuffers(cubeVertexBuffer, new VertexBufferBinding(instanceVertexBuffer, 0, 1));
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GraphicsDevice.Indices = this.cubeIndexBuffer;
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GraphicsDevice.DrawInstancedPrimitives(PrimitiveType.TriangleList, 0, 0, this.cubeVertices.Length, 0, this.cubeIndices.Length / 3, 5);
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}
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#endregion
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base.Draw(gameTime);
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}
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private void DrawShadowText(SpriteBatch spriteBatch, SpriteFont font, String text, Vector2 position, Color foreground, Color shadow)
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{
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spriteBatch.DrawString(font, text, position + new Vector2(2, 2), shadow, 0f, Vector2.Zero, 1.0f, SpriteEffects.None, 1.0f);
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spriteBatch.DrawString(font, text, position, foreground, 0f, Vector2.Zero, 1.0f, SpriteEffects.None, 0.0f);
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}
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}
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}
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