D3DCOLORVALUE

Describes color values.

typedef struct D3DCOLORVALUE {
    float r;
    float g;
    float b;
    float a;
} D3DCOLORVALUE, *LPD3DCOLORVALUE;

Members

r

Floating-point value specifying the red component of a color. This value generally is in the range from 0.0 through 1.0, with 0.0 being black.

g

Floating-point value specifying the green component of a color. This value generally is in the range from 0.0 through 1.0, with 0.0 being black.

b

Floating-point value specifying the blue component of a color. This value generally is in the range from 0.0 through 1.0, with 0.0 being black.

a

Floating-point value specifying the alpha component of a color. This value generally is in the range from 0.0 through 1.0, with 0.0 being black.

Remarks

You can set the members of this structure to values outside the range of 0 through 1 to implement some unusual effects. Values greater than 1 produce strong lights that tend to wash out a scene. Negative values produce dark lights that actually remove light from a scene.