Package com.ms.com.directX

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D3DFOG_ Values

Contains constants describing the fog mode. These values are used by the D3DRENDERSTATE_FOGTABLEMODE render state.

D3DFOG_NONE

No fog effect.

D3DFOG_EXP

The fog effect intensifies exponentially, according to the following formula:

D3DFOG_EXP2

The fog effect intensifies exponentially with the square of the distance, according to the following formula:

D3DFOG_LINEAR

The fog effect intensifies linearly between the start and end points, according to the following formula:

This is the only fog mode currently supported.

Note that fog can be considered a measure of visibility-the lower the fog value produced by one of the fog equations, the less visible an object is.