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[Procedural meshes] Normals are a vertexproperty or a triangle property

Discussion in 'General Graphics' started by Nutaaq, Sep 9, 2018.

  1. Nutaaq

    Nutaaq

    Joined:
    Jan 9, 2016
    Posts:
    10
    Hi everyone.

    I'm doing a course un Udemy about mesh procedural creation and a doubt came to my mind... ¿Are normals referenced to the vertex or to the faces?

    Thanks
     
    Nutaaq, Sep 9, 2018
    #1

  2. bgolus

    bgolus

    Joined:
    Dec 7, 2012
    Posts:
    12,255
    For real time rendering on GPUs, the normal is on the vertex. Polygon faces only exist as lists of vertices, and generally only as triangles.
     
    bgolus, Sep 10, 2018
    #2

  3. Nutaaq

    Nutaaq

    Joined:
    Jan 9, 2016
    Posts:
    10
    Thanks bgolus. Its clear now.
     
    Nutaaq, Sep 10, 2018
    #3