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Color oil.
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#pragma once #include "ofMain.h" #include "ofFbo.h" class ofApp : public ofBaseApp { public: void setup(); void update(); void draw(); void keyPressed(int key) {}; void keyReleased(int key) {}; void mouseMoved(int x, int y) {}; void mouseDragged(int x, int y, int button) {}; void mousePressed(int x, int y, int button) {}; void mouseReleased(int x, int y, int button) {}; void mouseEntered(int x, int y) {}; void mouseExited(int x, int y) {}; void windowResized(int w, int h) {}; void dragEvent(ofDragInfo dragInfo) {}; void gotMessage(ofMessage msg) {}; ofFbo fbo; }; |
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#include "ofApp.h" //-------------------------------------------------------------- void ofApp::setup() { ofSetFrameRate(60); ofBackground(0); ofSetWindowTitle("Insta"); this->fbo.allocate(ofGetWidth(), ofGetHeight()); } //-------------------------------------------------------------- void ofApp::update() { int radius_span = 1; int deg_span = 1; float noise_value; ofColor color; this->fbo.begin(); ofClear(0); ofTranslate(ofGetWidth() / 2, ofGetHeight() / 2); for (int radius = 0; radius < 700; radius += radius_span) { for (int deg = 0; deg < 360; deg += deg_span) { noise_value = ofNoise(ofGetFrameNum() * 0.008 - radius * 0.005, 100 * cos(deg * DEG_TO_RAD) * 0.0025, 100 * sin(deg * DEG_TO_RAD) * 0.0025); //color.setHsb( 255 * noise_value, 255, 255); color = ofColor(255 * noise_value); ofSetColor(color); ofBeginShape(); ofVertex(radius * cos(deg * DEG_TO_RAD), radius * sin(deg * DEG_TO_RAD)); ofVertex((radius + radius_span) * cos(deg * DEG_TO_RAD), (radius + radius_span) * sin(deg * DEG_TO_RAD)); ofVertex((radius + radius_span) * cos((deg + deg_span) * DEG_TO_RAD), (radius + radius_span) * sin((deg + deg_span) * DEG_TO_RAD)); ofVertex(radius * cos((deg + deg_span) * DEG_TO_RAD), radius * sin((deg + deg_span) * DEG_TO_RAD)); ofEndShape(true); } } this->fbo.end(); } //-------------------------------------------------------------- void ofApp::draw() { this->fbo.draw(0, 0); } //-------------------------------------------------------------- int main() { ofSetupOpenGL(720, 720, OF_WINDOW); ofRunApp(new ofApp()); } |