Add OpenGL Samples

GLKBaseEffectDrawing GLKBaseEffectDrawingTexture GLKReflectionMapEffectSkybox OpenGLES20Example PerVertexDirectionalLighting
xamarin · Jun 19, 2013 · 922de6e · 922de6e
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diff --git a/OpenGL/GLKBaseEffectDrawing/AppDelegate.cs b/OpenGL/GLKBaseEffectDrawing/AppDelegate.cs
@@ -0,0 +1,28 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using MonoTouch.Foundation;
+using MonoTouch.UIKit;
+
+namespace GLKBaseEffectDrawing
+{
+	[Register ("AppDelegate")]
+	public partial class AppDelegate : UIApplicationDelegate
+	{
+		UIWindow window;
+		MCViewController controller;
+
+		public override bool FinishedLaunching (UIApplication app, NSDictionary options)
+		{
+			window = new UIWindow (UIScreen.MainScreen.Bounds);
+
+			controller = new MCViewController ();
+			window.RootViewController = controller;
+
+			window.MakeKeyAndVisible ();
+
+			return true;
+		}
+	}
+}
+
diff --git a/OpenGL/GLKBaseEffectDrawing/GLKBaseEffectDrawing.csproj b/OpenGL/GLKBaseEffectDrawing/GLKBaseEffectDrawing.csproj
@@ -0,0 +1,92 @@
+<?xml version="1.0" encoding="utf-8"?>
+<Project DefaultTargets="Build" ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+  <PropertyGroup>
+    <Configuration Condition=" '$(Configuration)' == '' ">Debug</Configuration>
+    <Platform Condition=" '$(Platform)' == '' ">iPhoneSimulator</Platform>
+    <ProductVersion>10.0.0</ProductVersion>
+    <SchemaVersion>2.0</SchemaVersion>
+    <ProjectGuid>{F17A7552-709F-4109-AFD2-FE557F0C4CD7}</ProjectGuid>
+    <ProjectTypeGuids>{6BC8ED88-2882-458C-8E55-DFD12B67127B};{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}</ProjectTypeGuids>
+    <OutputType>Exe</OutputType>
+    <RootNamespace>GLKBaseEffectDrawing</RootNamespace>
+    <IPhoneResourcePrefix>Resources</IPhoneResourcePrefix>
+    <AssemblyName>GLKBaseEffectDrawing</AssemblyName>
+  </PropertyGroup>
+  <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Debug|iPhoneSimulator' ">
+    <DebugSymbols>true</DebugSymbols>
+    <Optimize>false</Optimize>
+    <OutputPath>bin\iPhoneSimulator\Debug</OutputPath>
+    <DefineConstants>DEBUG;</DefineConstants>
+    <ErrorReport>prompt</ErrorReport>
+    <WarningLevel>4</WarningLevel>
+    <ConsolePause>false</ConsolePause>
+    <MtouchLink>None</MtouchLink>
+    <MtouchDebug>true</MtouchDebug>
+  </PropertyGroup>
+  <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Release|iPhoneSimulator' ">
+    <Optimize>true</Optimize>
+    <OutputPath>bin\iPhoneSimulator\Release</OutputPath>
+    <ErrorReport>prompt</ErrorReport>
+    <WarningLevel>4</WarningLevel>
+    <ConsolePause>false</ConsolePause>
+    <MtouchLink>None</MtouchLink>
+  </PropertyGroup>
+  <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Debug|iPhone' ">
+    <DebugSymbols>true</DebugSymbols>
+    <Optimize>false</Optimize>
+    <OutputPath>bin\iPhone\Debug</OutputPath>
+    <DefineConstants>DEBUG;</DefineConstants>
+    <ErrorReport>prompt</ErrorReport>
+    <WarningLevel>4</WarningLevel>
+    <ConsolePause>false</ConsolePause>
+    <MtouchDebug>true</MtouchDebug>
+    <CodesignKey>iPhone Developer</CodesignKey>
+  </PropertyGroup>
+  <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Release|iPhone' ">
+    <Optimize>true</Optimize>
+    <OutputPath>bin\iPhone\Release</OutputPath>
+    <ErrorReport>prompt</ErrorReport>
+    <WarningLevel>4</WarningLevel>
+    <ConsolePause>false</ConsolePause>
+    <CodesignKey>iPhone Developer</CodesignKey>
+  </PropertyGroup>
+  <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Ad-Hoc|iPhone' ">
+    <Optimize>true</Optimize>
+    <OutputPath>bin\iPhone\Ad-Hoc</OutputPath>
+    <ErrorReport>prompt</ErrorReport>
+    <WarningLevel>4</WarningLevel>
+    <BuildIpa>true</BuildIpa>
+    <CodesignKey>iPhone Distribution</CodesignKey>
+    <ConsolePause>false</ConsolePause>
+    <CodesignProvision>Automatic:AdHoc</CodesignProvision>
+  </PropertyGroup>
+  <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'AppStore|iPhone' ">
+    <Optimize>true</Optimize>
+    <OutputPath>bin\iPhone\AppStore</OutputPath>
+    <ErrorReport>prompt</ErrorReport>
+    <WarningLevel>4</WarningLevel>
+    <ConsolePause>false</ConsolePause>
+    <CodesignKey>iPhone Distribution</CodesignKey>
+    <CodesignProvision>Automatic:AppStore</CodesignProvision>
+  </PropertyGroup>
+  <ItemGroup>
+    <Reference Include="System" />
+    <Reference Include="System.Xml" />
+    <Reference Include="System.Core" />
+    <Reference Include="monotouch" />
+    <Reference Include="OpenTK-1.0" />
+  </ItemGroup>
+  <ItemGroup>
+    <Folder Include="Resources\" />
+  </ItemGroup>
+  <ItemGroup>
+    <None Include="Info.plist" />
+  </ItemGroup>
+  <ItemGroup>
+    <Compile Include="Main.cs" />
+    <Compile Include="AppDelegate.cs" />
+    <Compile Include="MCViewController.cs" />
+    <Compile Include="Monkey.cs" />
+  </ItemGroup>
+  <Import Project="$(MSBuildBinPath)\Microsoft.CSharp.targets" />
+</Project>
diff --git a/OpenGL/GLKBaseEffectDrawing/Info.plist b/OpenGL/GLKBaseEffectDrawing/Info.plist
@@ -0,0 +1,19 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<plist version="1.0">
+<dict>
+	<key>UIDeviceFamily</key>
+	<array>
+		<integer>2</integer>
+	</array>
+	<key>UISupportedInterfaceOrientations~ipad</key>
+	<array>
+		<string>UIInterfaceOrientationPortrait</string>
+		<string>UIInterfaceOrientationPortraitUpsideDown</string>
+		<string>UIInterfaceOrientationLandscapeLeft</string>
+		<string>UIInterfaceOrientationLandscapeRight</string>
+	</array>
+	<key>MinimumOSVersion</key>
+	<string>3.2</string>
+</dict>
+</plist>
diff --git a/OpenGL/GLKBaseEffectDrawing/MCViewController.cs b/OpenGL/GLKBaseEffectDrawing/MCViewController.cs
@@ -0,0 +1,118 @@
+using System;
+using MonoTouch.UIKit;
+using OpenTK;
+using MonoTouch.OpenGLES;
+using MonoTouch.GLKit;
+using MonoTouch;
+using OpenTK.Graphics.ES20;
+using MonoTouch.CoreGraphics;
+using System.Drawing;
+
+namespace GLKBaseEffectDrawing
+{
+	public class MCViewController : GLKViewController
+	{
+		float rotation;
+		uint vertexArray;
+		uint vertexBuffer;
+		EAGLContext context;
+		GLKBaseEffect effect;
+
+		public MCViewController ()
+		{
+
+		}
+
+		public override void ViewDidLoad ()
+		{
+			base.ViewDidLoad ();
+
+			context = new EAGLContext (EAGLRenderingAPI.OpenGLES2);
+
+			if (context == null)
+				Console.WriteLine ("Failed to create ES context");
+
+			GLKView view = View as GLKView;
+			view.Context = context;
+			view.DrawableDepthFormat = GLKViewDrawableDepthFormat.Format24;
+			view.DrawInRect += Draw;
+
+			setupGL ();
+		}
+
+		void setupGL ()
+		{
+			EAGLContext.SetCurrentContext (context);
+
+			effect = new GLKBaseEffect ();
+			effect.LightingType = GLKLightingType.PerPixel;
+
+			effect.Light0.Enabled = true;
+			effect.Light0.DiffuseColor = new Vector4 (1.0f, 0.4f, 0.4f, 1.0f);
+			effect.Light0.Position = new Vector4 (-5f, -5f, 10f, 1f);
+			effect.Light0.SpecularColor = new Vector4 (1f, 0f, 0f, 1f);
+
+			effect.Light1.Enabled = true;
+			effect.Light1.DiffuseColor = new Vector4 (1f, 0.4f, 0.4f, 1f);
+			effect.Light1.Position = new Vector4 (15f, 15f, 10f, 1f);
+			effect.Light1.SpecularColor = new Vector4 (1f, 0f, 0f, 1f);
+
+			effect.Material.DiffuseColor = new Vector4 (0f, 0.5f, 1f, 1f);
+			effect.Material.AmbientColor = new Vector4 (0f, 0.5f, 0f, 1f);
+			effect.Material.SpecularColor = new Vector4 (1f, 0f, 0f, 1f);
+			effect.Material.Shininess = 20f;
+			effect.Material.EmissiveColor = new Vector4 (0.2f, 0f, 0.2f, 1f);
+
+			GL.Enable (EnableCap.DepthTest);
+
+			GL.Oes.GenVertexArrays (1, out vertexArray);
+			GL.Oes.BindVertexArray (vertexArray);
+
+			GL.GenBuffers (1, out vertexBuffer);
+			GL.BindBuffer (BufferTarget.ArrayBuffer, vertexBuffer);
+			GL.BufferData (BufferTarget.ArrayBuffer, (IntPtr)(Monkey.MeshVertexData.Length * sizeof(float)), 
+			               Monkey.MeshVertexData, BufferUsage.StaticDraw);
+
+			GL.EnableVertexAttribArray ((int) GLKVertexAttrib.Position);
+			GL.VertexAttribPointer ((int) GLKVertexAttrib.Position, 3, VertexAttribPointerType.Float,
+			                        false, 6 * sizeof(float), 0);
+
+			GL.EnableVertexAttribArray ((int) GLKVertexAttrib.Normal);
+			GL.VertexAttribPointer ((int) GLKVertexAttrib.Normal, 3, VertexAttribPointerType.Float,
+			                        false, 6 * sizeof(float), 12);
+
+			GL.Oes.BindVertexArray (0);
+		}
+
+		public override void Update ()
+		{
+			float aspect = (float)Math.Abs (View.Bounds.Size.Width / View.Bounds.Size.Height);
+
+			Matrix4 projectionMatrix = 
+				Matrix4.CreatePerspectiveFieldOfView ((float) (Math.PI * 65f / 180.0f),
+			                                       aspect, 0.1f, 100.0f);
+
+			effect.Transform.ProjectionMatrix = projectionMatrix;
+
+			Matrix4 modelViewMatrix = Matrix4.CreateTranslation (new Vector3 (0f, 0f, -3.5f));
+			modelViewMatrix = Matrix4.Mult (Matrix4.CreateFromAxisAngle (new Vector3 (1f, 1f, 1f), rotation), modelViewMatrix);
+
+			effect.Transform.ModelViewMatrix = modelViewMatrix;
+
+			rotation += (float)TimeSinceLastUpdate * 0.5f;
+		}
+
+		public void Draw (object sender, GLKViewDrawEventArgs args)
+		{
+			GL.ClearColor (0.65f, 0.65f, 0.65f, 1f);
+			GL.Clear (ClearBufferMask.ColorBufferBit | ClearBufferMask.DepthBufferBit);
+
+			GL.Oes.BindVertexArray (vertexArray);
+
+			effect.PrepareToDraw ();
+
+			GL.DrawArrays (BeginMode.Triangles, 0, Monkey.MeshVertexData.Length / 6);
+		}
+	}
+}
+
diff --git a/OpenGL/GLKBaseEffectDrawing/Main.cs b/OpenGL/GLKBaseEffectDrawing/Main.cs
@@ -0,0 +1,19 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using MonoTouch.Foundation;
+using MonoTouch.UIKit;
+
+namespace GLKBaseEffectDrawing
+{
+	public class Application
+	{
+		// This is the main entry point of the application.
+		static void Main (string[] args)
+		{
+			// if you want to use a different Application Delegate class from "AppDelegate"
+			// you can specify it here.
+			UIApplication.Main (args, null, "AppDelegate");
+		}
+	}
+}