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Circle * Circle.
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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() { float radius = 10; float noise_value; ofColor my_color; this->fbo.begin(); ofClear(0); for (int x = 0; x <= ofGetWidth(); x += 30) { for (int y = 0; y <= ofGetHeight(); y += 30) { noise_value = ofNoise(x * 0.005, y * 0.005, ofGetFrameNum() * 0.015); ofNoFill(); my_color.setHsb(255 - noise_value * 255, 255, 255); ofSetColor(my_color); ofDrawCircle(x, y, 15); ofFill(); my_color.setHsb(noise_value * 255, 255, 255); ofSetColor(my_color); ofDrawCircle(x, y, 15 * noise_value); } } this->fbo.end(); } //-------------------------------------------------------------- void ofApp::draw() { this->fbo.draw(0, 0); } //-------------------------------------------------------------- int main() { ofSetupOpenGL(720, 720, OF_WINDOW); ofRunApp(new ofApp()); } |