ofxAddons
Draws grayscale mask textures and applies them as transparency to mask other drawing content.
Forks
Forks pushed to more recently than nariakiiwatani/ofxMask itself, plus any admin-confirmed fork with commits of its own — worth checking if you're hitting issues with the original.
README
ofxMask
an easy way to maskhow to use
ofxMask mask;// creating masker texture mask.beginMask(); // draw masker here in gray scale ofSetColor(255); ofRect(100, 200, 100, 50); ofSetColor(128); // more black, more transparent ofEllipse(250, 100, 150, 150); mask.endMask();
// creating maskee texture mask.begin(); // draw maskee here sometexture.draw(); mask.end();
// draw result mask.draw();
use
beginMask(false) and begin(false) not to clear textures.