All functions have the form: gl*
1-glVertex3f() – 3 means that this function take three arguments, and f means that the type of those arguments is float.
2-glVertex2i() – 2 means that this function take two arguments, and i means that the type of those arguments is integer.
All variable types have the form: GL*
1-In OpenGL program it is better to use OpenGL variable types (portability)
2-GLfloat instead of float
3-Glint instead of int
1-glVertex3f() – 3 means that this function take three arguments, and f means that the type of those arguments is float.
2-glVertex2i() – 2 means that this function take two arguments, and i means that the type of those arguments is integer.
All variable types have the form: GL*
1-In OpenGL program it is better to use OpenGL variable types (portability)
2-GLfloat instead of float
3-Glint instead of int
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