opengl mac tutorial

Lesson 1Texture ing of graphic fonts: In this lesson, we will create a font with a texture based on the previous lesson, which is really simple.After publishing the first two tutorials on Bitmap fonts and contour fonts, I have received many emails. Many readers want to know how to assign texture maps to fonts. You can use the automatic texture coordinate generator. It generates texture coordinates for each polygon in the font.A small comment. This code is specially written for windows. It uses t

GLUTTutorial Animation So far, we have an OpenGL window with a white triangle, but it is not exciting at all. Now let's go to this tutorial to rotate the triangle. Let's go back to the main () function and add some additional settings. First, tell glut that we want a dual-buffer. The dual buffer creates a smooth animation by painting in the latter buffer and constantly switching the front and back buf

Original post address: http://ogldev.atspace.co.uk/www/tutorial23/tutorial23.html When light is projected onto an object, a shadow is generated on an object such as the ground or wall. In computer graphics, there are many technologies that can produce shadows. In this tutorial, we will learn the most common shadow mapping technology. The problem of shadow in OpenGL can be summarized as: how to determine wh

The size of the point defaults to 1 pixels, but it can also be changed. The changed command is glpointsize, and its function prototype is as follows:void Glpointsize (glfloat size);Size must be greater than 0.0f and the default value is 1.0f, in pixels.Note: For specific OpenGL implementations, there is a limit to the size of the point, and if you set a size that exceeds the maximum value, the setting may haveProblem.Examplevoid Mydisplay (void){Glcle

1. OpenGL development Environment Construction Reference http://brothergrup.iteye.com/blog/16024712. Fill the color of the triangle:The Fill color function for Glcolor (3/4) * (R,G,B) 3 or 4 means that the numeric type rgb/rgba;* represents Rgba (B,i.) will eventually be mapped to [0-1].How to map is to take the value of the Write/current type maximum value such as Byte is -128~127 glcolor3b (1,0,0) equivalent to glcolor3f (1/127f,0,0) less than 0 whe

Original post address: http://ogldev.atspace.co.uk/www/tutorial05/tutorial05.html In this tutorial, we will be exposed to a new shader variable uniform variables. The difference between this variable and the attribute variable is that when each vertex shader is called, the corresponding attribute values of the vertex are loaded from the vertex buffer according to the position of the attribute, while the uniform variable remains unchanged for each dra

Lesson 1Spherical ing: This will teach you how to wrap the environment texture on your 3D model and make it look like it reflects the surrounding scenes.Sphere environment ing is a method for creating fast metal reflection effects, but it is not as accurate as in the real world! We will create this tutorial from the code of Lesson 18 and teach you how to create this effect.At the beginning, let's take a look at the introduction in hongbao. It defines

; // increase the rotation variable of the triangle (new)Rquad-= 0.15f; // reduce the rotation variable of the Quadrilateral (new)Return true; // continue running} This lesson is over again. Now you have mastered how to create objects in 3D space. The OpenGL screen must be imagined as a large drawing paper with many transparent layers. It is almost a cube composed of a large number of points. These points are filled with cubes from left to ri

tutorial code, we wrapped these common functions and created the technique class, its Inheritance class will focus mainly on shader special effects. Each technique must first call the init function for instantiation. The derived class of techniqu must first call the init function of the base class (this function creates an OpenGL program object ), you can also add your own private functions. After a techni

OpenGL Tutorial Translator 13th lesson camera SpaceOriginal Address: http://ogldev.atspace.co.uk/(source code please download from the original page)BackgroundIn the last few sections we see two types of vertex transformations. The first type of transformation is to change the position of the object (pan), rotate, dimension (indent). These transformations allow us to place an object anywhere in the 3D world

Original post address: http://ogldev.atspace.co.uk/www/tutorial06/tutorial06.html In this tutorial, we start to change the position of a 3D object, such as translation, rotation, scaling, and so on. The operations of object location changes are usually implemented through matrices. Each change is represented by a matrix. If an object performs multiple location operations, the corresponding matrices can be multiplied, multiply the coordinates of the v

GLUT Tutorial Keyboard example ------ Scenario roaming II In this section, let's take a look at the previous example. This time we will use advanced keyboard control. In the initialization section, we have two variables: deltaangle and deltamode. These variables control rotation and movement of cameras. When the value is not 0, the camera performs some operations. When the value is 0, the camera does not move. The initial values of these two variable

GLUT Tutorial Sub-menuIn the previous chapter, we learned how to create a simple menu. Now let's take a look at how to add a cascading submenu. The creation of sub-menus is the same as the function used to create menus. After creating a menu, we add the Sub-menu as an entry. Use the function maid to do this: void maid (char * entryname, int menuindex); parameter: entryname: Sub menu name. Menuindex: Sub-menu index. This is the value returned by the s

Lesson 1Besell surface: This is a course about mathematical operations, and there is nothing else. Come on, look at it with confidence.Besell Surface By David nikdel (ogapo@ithink.net) This tutorial is intended to introduce the surface of besell. I hope someone who knows more about art can use her to make some cool stuff and show it to everyone. In this tutorial, you cannot create a complete shell database.

GLUT Tutorial MouseIn the previous sections, we saw how to use the keyboard function of GLUT to increase the interaction of an OpenGL program. Now it's time to study the mouse. The glut mouse interface provides some column options to increase the interaction of the mouse. That is, to detect mouse clicks and move the mouse. Detect mouse ClicksLike keyboard processing, Glut provides a method for registering

Nehe OpenGL tutorial (Chinese and English versions with VC ++ source code) Lesson 01-Lesson 02 Create an OpenGL window: How to Create a triangle and a quadrilateral Http://ieee.org.cn/dispbbs.asp? Boardid = 61 id = 53679 Lesson 03-Lesson 04Add colorRotateHttp://ieee.org.cn/dispbbs.asp? Boardid = 61 id = 53682 Lesson 05-Lesson 063D spaceTexture in

Brief Introduction The Nehe tutorial introduces the extended (Arb_multisample) Multiple sampling techniques for OpenGL in this lesson. With this technique, full-screen anti-aliasing can be achieved. This will make the graphic look more beautiful. In OSG, multiple sampling is opened and closed as stateset of nodes, and the implementation process is very simple. Implement First add quadrilateral to the scene

How does the MAC command line terminal uninstall software? Mac OS system uninstall software way there are a variety of, uninstall tools, program icons dragged to the trash can, but what to do with stubborn residue of software? below to share Mac command line terminal uninstall Software tutorial, take a look at it!