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#pragma once #include "ofMain.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 windowResized(int w, int h) {}; void dragEvent(ofDragInfo dragInfo) {}; void gotMessage(ofMessage msg) {}; }; |
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#include "ofApp.h" //-------------------------------------------------------------- void ofApp::setup() { ofSetFrameRate(60); ofBackground(32); ofSetWindowTitle("Insta"); ofEnableBlendMode(ofBlendMode::OF_BLENDMODE_ADD); ofSetLineWidth(3); } //-------------------------------------------------------------- void ofApp::update() { } //-------------------------------------------------------------- void ofApp::draw() { ofTranslate(ofGetWidth() / 2, ofGetHeight() / 2); float radius = 10; float deg = 0; while (radius < ofGetWidth()) { float noise_value = ofNoise(deg * 0.005 - ofGetFrameNum() * 0.01) + 0.5; ofPoint point_1(radius * cos(deg * DEG_TO_RAD), radius * sin(deg * DEG_TO_RAD)); ofPoint point_2(radius * noise_value * cos(deg * DEG_TO_RAD), radius * noise_value * sin(deg * DEG_TO_RAD)); ofColor line_color; line_color.setHsb((int)deg % 255, 200, 200); ofSetColor(line_color); ofDrawLine(point_1, point_2); radius += 0.1; deg += 1.5; } } //======================================================================== int main() { ofSetupOpenGL(720, 720, OF_WINDOW); ofRunApp(new ofApp()); } |