OpenGL Chess Board program deals with drawing of alternative black and white boxes. For this the program uses OpenGL primitive object GL_POLYGON which draws the black and white boxes. OpenGL Chess Board Project Modules. There are generally three function namely: init() which initialises the opengl executable window to its initial values, sets the window’s background color and also the matrix mode of the window and finally the transformation which here is 2D with the help of opengl inbuilt function glOrtho2D(). glOrtho2D(GLdouble left,GLdouble right,GLdouble top,GLdouble bottom) takes four arguments as shown. The first argument decides the left boundary of the executable window, the second
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https://openglprojects.com/chess-board-opengl-source-code/