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#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 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) {}; }; |
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#include "ofApp.h" //-------------------------------------------------------------- void ofApp::setup() { ofSetFrameRate(25); ofSetWindowTitle("openFrameworks"); ofBackground(239); ofSetColor(39); ofSetLineWidth(2); } //-------------------------------------------------------------- void ofApp::update() { ofSeedRandom(39); } //-------------------------------------------------------------- void ofApp::draw() { ofTranslate(ofGetWindowSize() * 0.5); for (int x = -300; x <= 300; x += 25) { for (int y = -300; y <= 300; y += 25) { ofPushMatrix(); ofTranslate(x, y); auto noise_value = ofNoise(x * 0.01, y * 0.01, ofGetFrameNum() * 0.02); noise_value = noise_value < 0.47 ? 0 : noise_value > 0.53 ? 1 : ofMap(noise_value, 0.47, 0.53, 0, 1); auto radius = ofMap(noise_value, 0, 1, 5, 25); vector<glm::vec2> vertices; vertices.push_back(glm::vec2(radius * cos(0 * DEG_TO_RAD), radius * sin(0 * DEG_TO_RAD))); vertices.push_back(glm::vec2(radius * cos(180 * DEG_TO_RAD), radius * sin(180 * DEG_TO_RAD))); vertices.push_back(glm::vec2(radius * cos(90* DEG_TO_RAD), radius * sin(90 * DEG_TO_RAD))); vertices.push_back(glm::vec2(radius * cos(270 * DEG_TO_RAD), radius * sin(270 * DEG_TO_RAD))); ofDrawLine(vertices[0], vertices[1]); ofDrawLine(vertices[2], vertices[3]); ofPopMatrix(); } } /* int start = 25; if (ofGetFrameNum() > start) { ostringstream os; os << setw(4) << setfill('0') << ofGetFrameNum() - start; ofImage image; image.grabScreen(0, 0, ofGetWidth(), ofGetHeight()); image.saveImage("image/cap/img_" + os.str() + ".jpg"); if (ofGetFrameNum() - start >= 25 * 20) { std::exit(1); } } */ } //-------------------------------------------------------------- int main() { ofSetupOpenGL(720, 720, OF_WINDOW); ofRunApp(new ofApp()); } |