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== Implementation / for the reviewer == | == Implementation / for the reviewer == | ||
{{Note|This section | {{Note|This section provides a rough overview for the potentiaal reviewer, which is also intended to be used as the commit message when/if this should get committed}} | ||
This set of patches implements a new Canvas::Element by creating a sub-class named Canvas::View. The meat of it is in the constructor, i.e. Canvas::View::View(), where an offscreen camera (RTT/FBO) is set up, the FGCanvasSystemAdapter file has been extended to provide access to the FlightGear view manager to compute/obtain the view specific view matrix, which is then updated in Canvas::View::update() accordingly. | This set of patches implements a new Canvas::Element by creating a sub-class named Canvas::View. The meat of it is in the constructor, i.e. Canvas::View::View(), where an offscreen camera (RTT/FBO) is set up, the FGCanvasSystemAdapter file has been extended to provide access to the FlightGear view manager to compute/obtain the view specific view matrix, which is then updated in Canvas::View::update() accordingly. | ||
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<syntaxhighlight lang="nasal"> | <syntaxhighlight lang="nasal"> | ||
var (width,height) = (512,512); | |||
var ELEMENT_NAME = "viewcamera"; | |||
var title = 'Canvas test'; | |||
var window = canvas.Window.new([width,height],"dialog").set('title',title); | |||
var myCanvas = window.createCanvas().set("background", canvas.style.getColor("bg_color")); | |||
var root = myCanvas.createGroup(); | |||
var child = root.createChild( ELEMENT_NAME ); | |||
child.set("view-number", 3); | |||
</syntaxhighlight> | </syntaxhighlight> | ||