RFDrawTools.GLNormal

Description

Sets the current normal vector.

Syntax

Sub RFDrawTools.GLNormal(x As Single, y As Single, z As Single)

The GLNormal syntax has these parts:

Part	Description
x	[IN] Single Required. X coordinate of the current normal vector.
y	[IN] Single Required. Y coordinate of the current normal vector.
z	[IN] Single Required. Z coordinate of the current normal vector.

Remarks

RFDrawTools.GLNormal method should be called between RFDrawTools.GLBegin and RFDrawTools.GLEnd methods.
The specified normal vector needs not have unit length.
If RF_GL_NORMALIZE is enabled by RFDrawTools.GLEnable method, the specified normal vector is normalized automatically.

Note