[−][src]Static p5_sys::global::alpha
pub static alpha: AlphaInternalType
Extracts the alpha value from a color or pixel array.
Examples
noStroke(); let c = color(0, 126, 255, 102); fill(c); rect(15, 15, 35, 70); let value = alpha(c); // Sets 'value' to 102 fill(value); rect(50, 15, 35, 70);
Parameters
color
p5.Color object, color components,
or CSS color