How to resolve the algorithm OpenGL step by step in the QB64 programming language

Published on 12 May 2024 09:40 PM
#Qb64

How to resolve the algorithm OpenGL step by step in the QB64 programming language

Table of Contents

Problem Statement

Display a smooth shaded triangle with OpenGL.

Let's start with the solution:

Step by Step solution about How to resolve the algorithm OpenGL step by step in the QB64 programming language

Source code in the qb64 programming language

'Task
'Display a smooth shaded triangle with OpenGL.
Screen _NewImage(600, 600, 32)
Dim Shared glInit As Integer
glInput = 0
Do While InKey$ = "": Loop
End
 
 
Sub _GL ()
    If glInit = 0 Then
        _glViewport 1, 1, 600, 600
        _glClearColor 0, 0, 0, 1
        glInit = -1
    End If
    _glClear _GL_COLOR_BUFFER_BIT
    _glBegin _GL_TRIANGLES
    _glColor4f 1, 0, 0, 1
    _glVertex2f -1, -1
    _glColor4f 0, 1, 0, 1
    _glVertex2f 0, 0
    _glColor4f 0, 0, 1, 1
    _glVertex2f 1, -1
    _glEnd
End Sub

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