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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(39); ofSetColor(239); ofSetLineWidth(2); } //-------------------------------------------------------------- void ofApp::update() { ofSeedRandom(39); } //-------------------------------------------------------------- void ofApp::draw() { ofTranslate(ofGetWindowSize() * 0.5); int size = 20; for (int x = size * -15; x <= size * 15; x += size) { for (int y = size * -15; y <= size * 15; y += size) { ofPushMatrix(); ofTranslate(x, y); int param = ofMap(ofNoise(x * 0.005, y * 0.005, ofGetFrameNum() * 0.005), 0, 1, 0, 4); switch (param) { case 0: ofDrawLine(0, 0, 0, size * -1); break; case 1: ofDrawLine(0, 0, size * 1, 0); break; case 2: ofDrawLine(0, 0, 0, size * 1); break; case 3: ofDrawLine(0, 0, -size * 1, 0); break; } ofPopMatrix(); } } } //-------------------------------------------------------------- int main() { ofSetupOpenGL(720, 720, OF_WINDOW); ofRunApp(new ofApp()); } |