rgb to greyscale?

Programming Questions

bright123

in Programming Questions • 5 months ago

how to change this code to grayscale??

return( color( random(8), random(255), random(7) ) );

Replies(5)

pauline303

Re: rgb to greyscale?

5 months ago

according to rgb to luma formula=

void setup()
{
size(500, 500);
float c=0.299*random(8)+ 0.587*random(255)+0.114*random(7);
background(c);
}

bright123

Re: rgb to greyscale?

5 months ago

thx but i still cant do it

color rectcolr() {

return( color( random(8), random(255), random(7) ) ); // creates random colours

}

i wanna change this code to grayscale??

plx help

PhiLho

Re: rgb to greyscale?

5 months ago

As shown by Pauline:
color rectcolr() {

return color( 0.299 * random(8) + 0.587 * random(255) + 0.114 * random(7) ); // creates random grays

}
or perhaps just brightness() of your color.

bright123

Re: rgb to greyscale?

5 months ago

thx its working ….. how can i make the path look like a black rectangle moving from blue rectangle to green rectangle in grayscale ?

PhiLho

Re: rgb to greyscale?

5 months ago

What path?
Sorry, but I don't understand your question at all.

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