The package GL.Types

This package defines most of the basic types used in OpenGL. Note that the single-precision floating point type is named Single to avoid collission with Ada’s Float type.

For each type, an instance of GL.Algebra is available. These instances provide vector and matrix types for that base type. The usual mathematical operations on vectors and matrices are also available. The vectors and matrices use the indexes X, Y, Z and W. The W value is used in the homogeneous coordinate system.

The child package GL.Types.Colors provides the special Color type which consists of four components which are indexed with R, G, B and A. A Basic_Color without the alpha value is also available. Each color component is a single-precision floating point value between 0.0 and 1.0.