• permalink
• code
• show snippet

        void ofApp::setupBackground(){
    for(int i = 0; i < 3; i++) {
        ofxShape shape;
        shape.setupFilledSquare(ofRandom(3, 28));
        shape.scaleX(ofRandom(3, 28));
        shape.scaleY(ofRandom(3, 28));
        shape.positionX(ofRandom(-28, width + 28));
        shape.positionY(ofRandom(-28, height + 28));
        shape.setBlur(1);
        shape.setOpacity(58);
        backgroundShapes.push_back(shape);
    }
    
    push(&backgroundShapes, &backgroundSystems);
}

void ofApp::setupMask(){
    for(int i = 0; i < 500; i++) {
        float x = ofRandom(-ringSize, width + ringSize);
        float y = ofRandom(-ringSize, height + ringSize);
        float z = ofRandom(-100, 100);
        ofxShape shape;
        shape.setupGradientRing(60, -4.6, ringSize);
        shape.setPosition(ofVec3f(x, y, z));
        shape.setBlur(ringSize * 0.5);
        shape.setOpacity(ofRandom(60, 200));
        maskShapes.push_back(shape);
        shape.setDiameter(ringSize * 0.5);
        shape.setThickness(4.6);
        maskShapes.push_back(shape);
    }
    
    push(&maskShapes, &maskSystems);
}

void ofApp::setupForeground(){
    //Background color
    ofxShape shape;
    shape.setupFilledSquare(width);
    shape.setColor(ofColor::red);
    shape.positionX(width * 0.5);
    shape.positionY(height * 0.5);
    foregroundShapes.push_back(shape);
    
    //Lines
    for(int i = 0; i < height; i += lineDistance) {
        ofxShape shape;
        shape.setupFilledSquare(lineThickness);
        shape.scaleX(height);
        shape.setColor(ofColor::blue);
        shape.positionY(i);
        shape.setBlur(lineThickness);
        foregroundShapes.push_back(shape);
    }
    
    //Color filter
    shape.setupFilledSquare(width);
    shape.rotateZ(-38);
    shape.scaleY(3);
    shape.positionX(-250);
    shape.setColor(ofColor::purple);
    shape.setBlur(270);
    shape.setOpacity(220);
    foregroundShapes.push_back(shape);
    shape.positionX(500);
    foregroundShapes.push_back(shape);
    
    push(&foregroundShapes, &foregroundSystems);
}

void ofApp::updateAnim(){
    for(int i = 0; i < maskShapes.size(); i += 2) {
        float y = 5 + maskShapes.at(i).getPosition().y;
        if(y > height) {
            y -= height;
        }
        maskShapes.at(i    ).positionY(y);
        maskShapes.at(i + 1).positionY(y);
    }
    
    for(int i = 1; i < foregroundShapes.size() - 2; i++) {
        float y = foregroundShapes.at(i).getPosition().y - (lineDistance * 0.04);
        if(y < -lineThickness) y = height;
        foregroundShapes.at(i).positionY(y);
    }
}