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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(30); ofSetWindowTitle("openFrameworks"); ofBackground(0); ofSetLineWidth(1.5); } //-------------------------------------------------------------- void ofApp::update() { } //-------------------------------------------------------------- void ofApp::draw() { ofTranslate(ofGetWindowSize() * 0.5); for (int deg = 0; deg < 360; deg += 15) { ofPushMatrix(); ofRotate(deg); for (int x = -360; x < 360; x += 1) { auto a = ofMap(abs(x), 0, 360, 255, 0); auto y = ofMap(ofNoise(abs(x) * 0.05 + ofGetFrameNum() * 0.25), 0, 1, -30, 30); auto next_y = ofMap(ofNoise(abs(x + 1) * 0.05 + ofGetFrameNum() * 0.25), 0, 1, -30, 30); ofSetColor(255, a); ofDrawLine(x, y, x + 1, next_y); } ofPopMatrix(); } } //-------------------------------------------------------------- int main() { ofSetupOpenGL(720, 720, OF_WINDOW); ofRunApp(new ofApp()); } |