nn::gd::CTR::Light::SetDirection Member Function

void SetDirection(
     f32 X,
     f32 Y,
     f32 Z
);

	Name	Description
in	X	Sets the x-coordinate of the light source.
in	Y	Sets the y-coordinate of the light source.
in	Z	Sets the z-coordinate of the light source.

None.

This is an immediate function. Sets the light direction. SOURCE_TYPE_DIRECTIONAL must be specified for the light type to be set using SetLightType. This function is an immediate function. (The resulting command from the immediate function is inserted into the command buffer.)
Note: This function sets the same registers as the Light::SetDirection function.

The format of commands that can be put in the command buffer:
0x00000000 (Y << 16) | X
0x00000004 [Reserved]
0x00000008 Z
0x0000000c [Reserved]
X, Y, and Z each have 16-bit floating point values. This function converts from a 32-bit floating point format to a 16-bit floating point format.

Utils::Float32ToFloat16
SetPosition

2011/02/17

Initial version.