Creates a Linear gradient across the centre and with a user-placed point. The end result is adjusted for spherical projection, unlike the regular Gradient Linear 1.
Parameters
Point Position: Position of oint used to determine gradient direction.
Top Color: (Color value) Color of top part of gradient (at point)
Bottom Color: (Color value) Color of bottom part of gradient (away from point).
Contrast: 0.0 - 1.0 Adjusts the contrast of the result.