Changes between Version 22 and Version 23 of GraphicsAPI


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Timestamp:
Nov 13, 2014, 12:01:54 PM (11 years ago)
Author:
Tom Goddard
Comment:

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  • GraphicsAPI

    v22 v23  
    1919These classes handle representing the scene, rendering it, and selecting parts of it. The "scene graph" is the geometric shapes, colors and transparency including hierarchy and instancing, also including the concept of selected part, all handled by the Drawing class. A Drawing can have any number of child Drawings, to any depth, in a tree.  Some classes handle the rendering (View, Camera, Lighting, !CrossFade, !MotionBlur) including effects like silhouette edges, shadows, ambient occlusion, depth cuing, cross fades, and also camera modes like mono, shutter glasses stereo, or oculus rift. Also image save including supersampling, the graphics redraw loop, and interactive center of rotation are managed by View. Selecting objects using a mouse click is handled by View and Drawing.
    2020
    21 == User Interface ==
     21== How the Graphical User Interface uses a View ==
    2222
    2323The View class handles OpenGL rendering.  To use the View class a graphical user interface needs to create an opengl context and instruct View to draw periodically.  Five functions that are part of the View class API are needed.