This program tests the unclamped diffusion function. You can control the scale of the diffusion function by changing the light and ambient color to control the bias.
| Functions | Parameters | Description |
GXInitLightPos |
Position coordinate (x, y, z) | Various values. |
GXInitLightColor |
Light color | Various values. |
GXSetChanCtrl |
Color channel ID | Always GX_COLOR0. |
| Channel enable | Always GX_ENABLE. | |
| Ambient color source | Always register source. | |
| Material color source | Always register source. | |
| Light mask | Always GX_LIGHT0. | |
| Diffusion function | GX_DF_CLAMP / GX_DF_SIGN. | |
| Attenuation function | Always GX_AF_NONE. | |
GXSetChanAmbColor |
Ambient color | Various values. |
GXSetChanMatColor |
Material color | Various values. |
START exits the test.
The Control Stick moves the light.
The C Stick rotates the model.
The A Button changes the model.
The B Button toggles the diffusion function (clamped/unclamped).
The X/Y Buttons select an item to be controlled in the following order: Ambient, Light, Material.
The L/R triggers change the brightness value of the selected item. This value is used as the R/G/B value of the selected item.
Looks at a sphere from an angle opposite that of the light with the unclamped diffuse function.
Looks at a torus from an angle perpendicular to that of the light with the unclamped diffuse function.
None.
03/01/2006 Initial version.