Camera functions

Functions
F32	dglGetPixelScale ()
F32	dglGetWorldToScreenScale ()
	The scale factor of a world unit to a screen unit.
F32	dglProjectRadius (F32 dist, F32 radius)

Detailed Description

Function Documentation

dglGetPixelScale()

F32 dglGetPixelScale

(

)

Returns the pixel scale, namely:

viewPort.extent.x / 640.0

dglGetWorldToScreenScale()

F32 dglGetWorldToScreenScale

(

)

The scale factor of a world unit to a screen unit.

dglProjectRadius()

F32 dglProjectRadius	(	F32	dist,
		F32	radius )

Returns the screen length of a line of distance "radius" that is "dist" units away from the camera that is perpendicular to the line of sight, namely:

(radius / dist) * worldToScreenScale