SAGE2: SAGE2_WebGLApp

Init method, creates an 'canvas' tag in the DOM and setups up WebGL

• data <Object>

  contains initialization values (id, width, height, ...)

Gets a WebGL context from the canvas

After move, show the canvas and update the coordinate system (resizeCanvas)

• date <Date>

  current time from the server

After resize, show the canvas and update the coordinate system (resizeCanvas)

• date <Date>

  current time from the server

Resize the canvas in local (client) coordinates, never bigger than the local screen

When a move starts, hide the canvas

• date <Date>

  current time from the server

When a resize starts, hide the canvas

• date <Date>

  current time from the server