Opengl 4 Tutorial

5 which is the latest version. Now we are ready to code in Modern Open GL 4. 2 as well as the JOGL binaries. It provides a simple API for creating windows, contexts and surfaces, receiving input and events. 2 Core Profile. OpenGL, Win32, GLEW, FreeImage, GLM This tutorial covers regular and OpenGL 3+ forward compatible rendering context initialization in a Win32 window, fullscreen mode, FPS counter, extension handling using GLEW, multisample antialiasing, texture loading using FreeImage, trilinear anisotropic texture filtering, GLSL vertex and fragment shader programs loading with info log if errors occurred. In OpenGL version 4. With the announcement of DirectX 12 features like low-level programming, it appears we're having a revival of the DirectX vs. h aren't even supported anymore. gl - Geometry Shaders open. 5 API is also missing at the time I write this review. com Free online OpenGL 4. The good news is that some of the functions are available even for older hardware. 3 was released yesterday, and among the larger updates were compute shaders. com offers free software downloads for Windows, Mac, iOS and Android computers and mobile devices. It uses the excellent FreeType library to read font faces from their files and renders text strings as OpenGL primitives. OpenGL, Win32, GLEW, FreeImage, GLM This tutorial covers regular and OpenGL 3+ forward compatible rendering context initialization in a Win32 window, fullscreen mode, FPS counter, extension handling using GLEW, multisample antialiasing, texture loading using FreeImage, trilinear anisotropic texture filtering, GLSL vertex and fragment shader programs loading with info log if errors occurred. If you would like to have an offsite tutorial linked here, please. NET Framework 4. But in terms of shader languages, we will instead be targeting OpenGL 3. Add: OpenGL. JOGL, JOCL and JOAL provide cross platform Java™ language bindings to the OpenGL®, OpenCL™, OpenAL and OpenMAX APIs. I had a very hard time figuring out OpenGL, mainly because most of the OpenGL with PyOpenGL tutorials that I could find were clearly written for someone who already knew OpenGL. Introduction to OpenGL. SDL as it stands is nice for basic 2D graphics/composition, but when it comes to more intensive gaming applications or 3D graphics, we need to leverage the use of other libraries. Many OpenGL examples you see use the outdated fixed pipeline OpenGL. Getting Started With OpenGL As such, there is lot more to discuss when we talk about OpenGL, but to start with a simple program would be a good breather for a novice. OpenGL does not provide commands for performing windowing tasks or for obtaining user input. Everyone is encouraged to join in the conversation on OpenGL and the other Khronos Standards. 3 compatible code samples in a sub-directory named "compatibility" in the source code listing, if you only have access to OpenGL 3 / DirectX 10 level hardware. In this tutorial, I’m going to directly use the OpenGL for rendering, instead of using SDL’s own renderer, because OpenGL works better in term of performance and flexibility. Opengl Programming Tutorial C++ Pdf OpenGL Step by Step (using C++, FreeGLUT and GLEW), OpenGLBook. Tutorial 1 – The OpenGL Window; Tutorial 2 – 2D Primitives; Tutorial 3 – The Third Dimension; Tutorial 4 – Depth; Tutorial 5 – Transparency; Tutorial 6 – Textures; Tutorial 7 – Lighting; Tutorial 8 – Text; DirectX10 Primer. :o) This time we will go through the tutorials much slower, and present all functionalities of new GL 4. OpenGL 4 Shaders OpenGL 3. x rely on you to use shaders for all of your effects. Using standard Dolphin settings across the board, 1920x1080 fullscreen resolution, Direct3D backend (OpenGL backend works equivalently well). I'm not going to explain the code beyond the comments. Tessellation OpenGL. « Chapter 3 | Table of Contents. If you try to get your program to work on your home. The standard is maintained by the Khronos Group. Overview This is a fairly simple tutorial that shows you how to get basic information about human bodies in the view of the Kinect. Now we are ready to code in Modern Open GL 4. OpenGL is a rendering API (application programming interface) that provides hardware accelerated (GPU) rendering functions. NOTE: I do not use any outside libraries like glut or glm for math. Tutorial 2: Creating a Framework and Window. In this part of the tutorial ill be setting up the project so that way you guys can follow along with me. OpenGL Book - A OpenGL Tutorial Reference Book. thecplusplusguy Aug 3rd, Sign Up, it unlocks many cool features! raw download clone embed report print OpenGL Shading 1. 4, the old. On a Linux system, OpenGL is divided into a number of distinct libraries: libGL. 0 vetex shader and fragment shader became compulsory. 5, depending on the OpenGL driver support. glDrawElements() requires 4 parameters. Two new wxWidgets video tutorials have been recently published by Javidx9 on YouTube: here is the first part, introducing programming with wxWidgets in C++ and the here is the second one, showing how to develop a simple application. OpenGL ES 2. Full source code is available here. 5 application with c++ SDL2 and Glad. This document is only for After Effects CS4 through CS5. Texture mapping applies an image to a surface. By running on a standard PC, the emulator helps software development and testing of next generation OpenGL ES 3. Although OpenGL is basically made for 3D programming, drawing 2D shapes gives the basic outline and introduction to OpenGL and gives the idea about how to start drawing objects in OpenGL. org - Particles / Instancing. OpenGL GLUT TGA Loader Download: Demonstrates how to load and draw an TGA Image using OpenGL/GLUT and C++. OpenGL includes vast scope of API's which can be used to render figures, textures, shading, etc. Copy the cairo-surface into an OpenGL-texture with glTexImage2D(). opengl-tutorial. The Unofficial OpenGL Software Development Kit is a collection of libraries and utilities that will help you get started working with OpenGL. Check OpenGL community's reviews & comments. org - Particles / Instancing. Read honest and unbiased product reviews from our users. 4, the old. 0 OpenGL is a low-level API which requires the programmer to tell it the exact steps needed to render a scene. It has C++, C, Python and Java interfaces and supports Ubuntu Linux. You still use all the same function calls and data types. OpenGL® SuperBible, Sixth Edition, is the definitive programmer’s guide, tutorial, and reference for the world’s leading 3D API for real-time computer graphics, OpenGL 4. 6) and its accompanying utility library (GLU, version 1. OpenTK Tutorial 4: It's amazing the way you DRAW TWO THINGS In this tutorial, we'll build on our cube by making a second one. com offers free software downloads for Windows, Mac, iOS and Android computers and mobile devices. x API calls with OpenGL ES 2. This tutorial is designed for anyone who wants to learn OpenGL Visualization for Geant4. Introduction to OpenGL 4. Shader Resource/Uniform Binding. This document can help you to resolve problems related to. 5 but don't launch with current. What kinds of help tools (online tutorials/printed manuals/general help) are provided with the Creo Elements/Pro Student Edition? PTC Online Help (all languages) for Creo Elements/Pro Student Edition is included on the DVD. As this tutorial is aimed at being a Qt tutorial, this chapter is based on NeHe's great OpenGL tutorial. org - Particles / Instancing. It is similar to commercial systems such as MATLAB from Mathworks, and IDL from Research Systems, but is Open Source. The Core OpenGL models an object via a set of geometric primitives, such as point, line, and polygon. 3 and later !. 2 Core Profile. This is a very general introduction to OpenGL as I don't want to slam you with specifics, but give you an idea as to what OpenGL is so that you may decide for yourself if this set of lessons is for you. The emulator requires a graphics card that supports at least OpenGL 4. NET Framework 4. 1 because that is the latest version that runs across Windows, Linux, OS X, and SteamOS. These notes explain how to compile programs written in ANSI C with OpenGL and GLUT using the Dev-C++ compiler. I've had quite a lot of teaching experience in different places and enjoy breaking down the difficult concepts and helping people with the various common problems that trip you up with the API. If you are new to the GLFW(OpenGL framework) you can follow beginning tutorial here. With OpenGL, you can get hardware accelerated 2D and 3D rendering. These tutorials focus mainly on OpenGL, Win32 programming and the ODE physics engine. All my tutorials will be based on this code. The OpenGL 4. If your favorite extension is missing, ask for it and it will be added in no time!. Applications in macOS can use OpenCL and OpenGL to take full advantage of the modern graphics processor (GPU) in your Mac. 3 (thanks to work by Markus Mohrhard, Tomaž Vajngerl, Zolnai Tamás, and others) and with that, users may experience crashes in LibreOffice, so we are providing the following information to assist them with such crashes. After this tutorial, we will understand the basics of creating, moving, and coloring objects using OpenGL. Texture mapping applies an image to a surface. Chapter 4: Entering the Third Dimension Learn about transformations, polygon culling, shader uniforms, and how to draw three dimensional data. OpenGL has what is known as a matrix stack, which comes in handy for constructing models composed of many simple objects. Castle Game Engine allows you to navigate and render 3D worlds (in VRML, X3D and other 3D formats). Here you will learn how to create a window with an OpenGL 3. A step by step process is used to show everything from setting up to essential Modern OpenGL features. 2D Painting * Framebuffer Object. If you're serious about OpenGL 4. This is a very general introduction to OpenGL as I don't want to slam you with specifics, but give you an idea as to what OpenGL is so that you may decide for yourself if this set of lessons is for you. 3? I am used to OpenGL 2. This is the fourth article from my OpenGL 101 series, if you need to refresh your memory you can find a list with my previous articles at the end of this post or, you can click on the OpenGL category from the right sidebar. Java OpenGL (JOGL) is a wrapper library that allows OpenGL to be used in the Java programming language. Tutorial 2: Creating a Framework and Window. It is completely cross-platform, using D3D, OpenGL and its own software renderers, and has all of the state-of-the-art features which can be found in commercial 3d engines. Probably this function is outdated. Java binding forOpenGL (JOGL) is the recent binding for OpenGL graphics API in Java. Several chapters contain OpenGL 3. We have the following topics covered: The first two chapters introduce to GLSL and modern OpenGL; Another two about Lighting and Texture usage (for instance, immutable textures!). Everything else stays exactly the same. OpenGL does not provide commands for performing windowing tasks or for obtaining user input. 7 So here's a quick tutorial to show you how to use the FreeType font rendering library in OpenGL. The Wine development release 4. Here you will learn how to create a window with an OpenGL 3. com Free online OpenGL 4. Rather than getting every extension and core enumerator/function all in one massive header, you get only what you actually want and ask for. Getting Started With OpenGL As such, there is lot more to discuss when we talk about OpenGL, but to start with a simple program would be a good breather for a novice. Concentrate grasshopper. ClockworkCoders offer tutorials focusing on the OpenGL Shading Language. Use this texture to map your OpenGL-primitives with. Introduction. OpenGL Tutorial; Tutorial OpenGL 3. No wonder so many still swarm to it. I am presenting here my Space Flight Simulator Project. Tutorial 2: Creating a Framework and Window. the only message i'm getting is a warning: python tutorial4. You’ll go from fresh project to spinning cube rendered using OpenGL and learn all the theory along the way!. When using width values > 1, lines will grow as follows. 5 is all the new stuff, plus tons of proven features • Tessellation, compute, instancing - Plus latest features: bindless, path rendering, blend modes • Demos use. As you know, one of the most important features of OpenGL is portability. Buffers can be used to define vertex and texture coordinates, and colors (index and RGBA), normals and edge flags. Originally developed by Silicon Graphics in the early '90s, OpenGL® has become the most widely-used open graphics standard in the world. OGLdev has close to 40 tutorials on modern OpenGL with nice explanations and rendered outputs. If tutorials on this site are not enough, or you simply like reading from a physical book or a digital device (Kindle, iPad, tablets, etc. It seems fairly striaght forward when reading the spec and looking at the few examples I could find, and even though my positions are coming out correct, normals, and texcoords are not!. Written by the author of tutorials on this site. OpenGL® SuperBible, Sixth Edition, is the definitive programmer’s guide, tutorial, and reference for the world’s leading 3D API for real-time computer graphics, OpenGL 4. 5 is not supported by your card just lower the version (e. The only thing is, if I select "Start Debugging" (In vs2010 Express) I get the following error: 1) Tutorial 0. Graphics with OpenGL Documentation, Release 0. 1 (350 ratings) Course Ratings are calculated from individual students' ratings and a variety of other signals, like age of rating and reliability, to ensure that they reflect course quality fairly and accurately. By using the FreeType library we can create anti-aliased text that looks better than text make using bitmap fonts (as in lesson 13). NET Tutorials I've begun creating tutorials based loosely on the NeHe tutorials, which were (and still are) quite popular for learning OpenGL. I have been working on converting any basic OpenGL tutorial using modern OpenGL (3+) and Qt for a while now. Introduction to OpenGL. Uniform blocks were designed to ease the sharing of uniform data between programs. ISBN 978--201-48359-8 A book about X11 interfacing and OpenGL Utility Toolkit. The example code in this class uses the OpenGL ES 2. At its core, SharpGL is nothing more than a wrapper around the OpenGL API. Framework GLKit. Q: I do out use to reach jokes. Overview This is a fairly simple tutorial that shows you how to get basic information about human bodies in the view of the Kinect. Starting from OpenGL 4. #version 140 is for GLSL version 1. Java OpenGL (JOGL) is a wrapper library that allows OpenGL to be used in the Java programming language. org; Chapter 4: Rendering a Dynamic 3D Scene with Phong Shading of Joe Groff's An intro to modern OpenGL. the only message i'm getting is a warning: python tutorial4. ) check out OpenGL Book. These tutorials are held locally by the j3d. Welcome to the first part of my series on OpenGL in. 4, expect 4. OpenGL⁠ support in LibreOffice has been in constant improvement since version 4. I enjoyed the author's opinions on deferred lighting as well. Add: OpenGL. OpenGL is the software interface to graphics hardware. Building the tutorials. 3 with openGL Driver enabled…. Find helpful customer reviews and review ratings for Anton's OpenGL 4 Tutorials at Amazon. These notes explain how to compile programs written in ANSI C with OpenGL and GLUT using the Dev-C++ compiler. Most OpenGL drawing commands start with the word Draw. SDL_GLContext is an alias for void *. OpenGL 4 Shading Language is a great resource for learning almost the newest version of OpenGL - 4. This guide will teach you the basics of using OpenGL to develop modern graphics applications. OpenGL is an API used for drawing 3D graphics. Anton's OpenGL 4 Tutorials books pdf file. Click on The Book to start learning OpenGL 4. Like most C++ compilers, it also c. Two new wxWidgets video tutorials have been recently published by Javidx9 on YouTube: here is the first part, introducing programming with wxWidgets in C++ and the here is the second one, showing how to develop a simple application. Bloodshed Dev-C++ is a free C++ compiler and development environment for Windows operating systems. NET is a set of object-oriented CLS-compliant. This series will show you how to use OpenGL in your WinForms and WPF applications. Its design goal is to provide a fast, light and user-friendly meshing tool with parametric input and advanced visualization capabilities. Use this texture to map your OpenGL-primitives with. GL has begun posting modern OpenGL tutorials which seems to be good too. I have found a lot of tutorials on a web for older OpenGL versions. In the world of OpenGL programming, in addition to the basic OpenGL library, you will constantly see two other libraries - the OpenGL Utility library (GLU) and the OpenGL Utility Toolkit (GLUT) - come into the play. Тут мы будем изучать OpenGL 3 и 4, а то, что вы читали относиться к OpenGL 1 или 2. Download opengl 2. This is a low-level introductory tutorial path. org-- The official home of OpenGL on the World Wide Web, includes extensive links to documentation, specifications, and companies involved with OpenGL. py documentation team and are accordingly credited to their original authors. Bandwidth Analyzer Pack (BAP) is designed to help you better understand your network, plan for various contingencies, and track down problems when they do occur. The argument is a list (or tuple) of points. 0 Shading Language Cookbook will provide easy-to-follow examples that start by walking you through the theory and background behind each technique. You now know how to set up a OpenGL form where you can draw. 1 - Tutorial 05 Debug output GL_ARB_debug_output allows the GL to notify applications when various events occur that may be useful during application development and debugging. 3 with openGL Driver enabled…. 1 compatible. 4, expect 4. Modern OpenGL C++ 3D Game Tutorial Series & 3D Rendering 4. In this tutorial, we will focus on getting Suzan the monkey from blender into our openGL program. Written by the author of tutorials on this site. OpenGL Community Forums. 6 is simply not available. 5, the world's leading 3D API for real-time computer graphics. 5 support - OpenGL 4. Find helpful customer reviews and review ratings for Anton's OpenGL 4 Tutorials at Amazon. At Epic, we use the engine ourselves to craft award-winning content resulting in powerful tools and pipelines that enable you to achieve your goals. If you know about something that looks like glBegin(), forget it. Everything else stays exactly the same. It is written in standard C++ with OpenGL and SDL from scratch. Reference: this article is a continuation of my stackoverflow question. 1 of the standard example code, with a small fix to clear vertex array state after drawing. This is a very general introduction to OpenGL as I don't want to slam you with specifics, but give you an idea as to what OpenGL is so that you may decide for yourself if this set of lessons is for you. This is the basic project, btw. Note: Be careful not to mix OpenGL ES 1. Although OpenGL is basically made for 3D programming, drawing 2D shapes gives the basic outline and introduction to OpenGL and gives the idea about how to start drawing objects in OpenGL. OpenGL is a graphics library that is used amongst all kinds of systems: Windows, Linux, Mac, Smartphones and more. An offline transcript of learnopengl. Many OpenGL examples you see use the outdated fixed pipeline OpenGL. The first thing to learn is that OpenGL is highly. More specifically, they make those parts of the pipeline programmable. Contribute to alleysark/OpenGL-Tutorials development by creating an account on GitHub. Geometric Objects. The following code is an example of a 2D texture mapping, which provides a basic usage of textures. xml which is great news for community, bad news for me and this project as it strongly depends on the old format. I'm not going to explain the code beyond the comments. If you see a tutorial that uses any of the functions glBegin, glEnd, glVertex3f or glColor3f, that’s a sure sign it’s meant for an older version of OpenGL, and the content in it won’t be applicable to you. The presentation will start after a short (15 second) video ad from one of our sponsors. This tutorial will show you how to incorporate the shaders from the GLSL section of the site into our new framework. Several chapters contain OpenGL 3. Does anyone know - are there any good tutorials in the latest spec for beginners? I'm familiar with GLSL, but not advanced enough to get really crazy. OpenGL Programming Guide: The Official Guide to Learning OpenGL, Version 4. NET wrapper of the DirectX API. ogv ‎ (Ogg Theora 動画ファイル、長さ 4. Although OpenGL is basically made for 3D programming, drawing 2D shapes gives the basic outline and introduction to OpenGL and gives the idea about how to start drawing objects in OpenGL. "Basic OpenGL Operation" gives a high-level description of how OpenGL processes data and produces a corresponding image in the frame buffer. OpenGL GLUT TGA Loader Download: Demonstrates how to load and draw an TGA Image using OpenGL/GLUT and C++. ) check out OpenGL Book. If you're using a fancy 3D-accelerated card, this library might be a closed-source version provided by the card vendor. In the clipping stage, the primitives that lies outside of the viewing volume are split in smaller primitives. Two new wxWidgets video tutorials have been recently published by Javidx9 on YouTube: here is the first part, introducing programming with wxWidgets in C++ and the here is the second one, showing how to develop a simple application. Modern OpenGL C++ 3D Game Tutorial Series & 3D Rendering 4. Sorry to hear that you dislike this tutorial. OpenGL GLUT Reference describes the OpenGL Utility Toolkit, a cross-platform windowing API. I agree, and old libraries like glaux. You can develop both 2D/3D games with OpenGL but only 2D if you use SDL renderer. FLTK (pronounced "fulltick") is a cross-platform C++ GUI toolkit for UNIX ® /Linux ® (X11), Microsoft ® Windows ®, and MacOS ® X. GTK is licensed under the GNU LGPL 2. We need the following sets of libraries in programming OpenGL: Core OpenGL (GL): consists of hundreds of functions, which begin with a prefix "gl" (e. 0+, in many ways it is easier to learn. I had a very hard time figuring out OpenGL, mainly because most of the OpenGL with PyOpenGL tutorials that I could find were clearly written for someone who already knew OpenGL. Welcome to my humble attempt to facilitate a well-developed teaching platform for the graphics API called OpenGL. NVIDIA supports OpenGL and a complete set of OpenGL extensions, designed to give you maximum performance on our GPUs. The tutorials section includes a variety of contributions aimed at making OpenGL easy to learn by explanation and example. This is done both to make the pre-built version more portable and to make the pre-built version able to run with JAIDA/JAS. 1 (350 ratings) Course Ratings are calculated from individual students' ratings and a variety of other signals, like age of rating and reliability, to ensure that they reflect course quality fairly and accurately. Introduction to Octave Dr. 0 up and many more. The math to move the camera is fairly simple. Building the tutorials. 5 windows 10 free download - Windows 10, Apple Safari, Microsoft. 1 (350 ratings) Course Ratings are calculated from individual students’ ratings and a variety of other signals, like age of rating and reliability, to ensure that they reflect course quality fairly and accurately. 5 i don't have access to glSwapBuffers. Introduction. Welcome to the first part of my series on OpenGL in. The View and Projection Matrices There are two matrices which are crucial to us being able to render a 3D scene. The man pages are available along with openGL SDK documentation. I mostly use GLUT/FreeGLUT, and each example project includes FreeGLUT header and library files in it for MinGW environment. org - Particles / Instancing. You can imagine how you could do this in software. The following code will create an OpenGL Window using GLFW with Blank Screen Output. The problem with recommending NeHe is exacerbated from still being the number one Google result for "OpenGL tutorial". Long Department of Engineering University of Cambridge Based on the Tutorial Guide to Matlab written by Dr. In this tutorial well use only vertex and color buffers, and we'll show non-indexed and indexed drawing. "Basic OpenGL Operation" gives a high-level description of how OpenGL processes data and produces a corresponding image in the frame buffer. OpenGL is an API used for drawing 3D graphics. The C# SDL-project is built in two parts: SDL. In this article by David Wolff, author of OpenGL 4. OpenGL is a powerful cross platform graphics API. For a Python project, you only need Python installed (Python 2. If OpenGL 4. Qt provides support for integration with OpenGL implementations on all platforms, giving developers the opportunity to display hardware accelerated 3D graphics alongside a more conventional user interface. 18 is now available. 0 with Visual Studio 2010. Check OpenGL community's reviews & comments. However, by using the w axis column of a 4×4 matrix to map the w axis value back onto the x, y, and z axes, we can set up a translation matrix. Find helpful customer reviews and review ratings for Anton's OpenGL 4 Tutorials at Amazon. OpenGL API Code and Tutorial Listings provides code examples for fundamental tasks, such as modeling and texture mapping, as well as for advanced techniques, such as high dynamic range rendering (HDRR). Everything else stays exactly the same. Your project will look probably like this:. Hello there and welcome to the third tutorial on how to make a decent Tetris game. LWJGL tutorial series on how to create a 3D Java game with OpenGL! So in this part of this week's tutorial I'll be explaining what Shaders do and how they work, and then in the next episode we'll. Simple OpenGL Program. Modern OpenGL are different than ancient opengl version before 2. We will show how to extract the 3D positions of the body's joints, which can then be further processed to do things a simple as drawing a skeleton, to things as complex as gesture recognition. GLKit Tutorial for iOS: Getting started with OpenGL ES. opengl-tutorial. In this OpenGL tutorial, Toptal engineer Asa. 2 Core Profile. In lines 6 and 7 of Figure 10, “Circle fragment shader using discard” compare the squared radius to the range [100, 575]. It is intended for those who have either never done 3D graphics with OpenGL, or who have only done "legacy" OpenGL rendering (i. com Free online OpenGL 4. OpenGL 4 for C#/. 0 with Visual Studio 2010. So, it is time for a new set of tutorials. 0 Tutorials Tutorial 1: Setting up OpenGL 4. OpenGL 4 Matrices OpenGL 3. Until now we’ve used the default OpenGL view for drawing our geometries and textures. If tutorials on this site are not enough, or you simply like reading from a physical book or a digital device (Kindle, iPad, tablets, etc. The SFML code stays the same. This loader generation system is used to create OpenGL headers and loading code for your specific needs. This book requires you to be a good programmer with solid fundamentals in C, C++, 3D math, and graphics. Note: If you're looking for a free download links of Anton's OpenGL 4 Tutorials Pdf, epub, docx and torrent then this site is not for you. Figure 4 demonstrates a simple way to soften up the harsh aliased pixel edges. 5 i don't have access to glSwapBuffers. OpenGL supports four basic texture map types. com is a free OpenGL programming tutorial in online book format. Unreal Engine is a complete suite of creation tools. 3) compute shader example Introduction OpenGL 4. OpenGL is a graphics library that is used amongst all kinds of systems: Windows, Linux, Mac, Smartphones and more. Tutorial 8 : Basic shading from opengl-tutorial. 2 is the current version. x example code that I have ported to SDL2 using glm and glew. Unfortunately this technique has also some drawbacks due to the way the GPU and CPU collaborate, the most important being. This tutorial set was made to give beginners a head start by going through the basics of OpenGL usage. OpenTK Tutorial 4: It's amazing the way you DRAW TWO THINGS In this tutorial, we'll build on our cube by making a second one.