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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) {}; ofEasyCam cam; }; |
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#include "ofApp.h" //-------------------------------------------------------------- void ofApp::setup() { ofSetFrameRate(25); ofSetWindowTitle("openFrameworks"); ofBackground(39); ofSetColor(255); ofSetLineWidth(1); } //-------------------------------------------------------------- void ofApp::update() { } //-------------------------------------------------------------- void ofApp::draw() { this->cam.begin(); ofRotateX(270); ofTranslate(-15, 0, 0); ofFill(); int deg_span = 10; auto target_deg = ofGetFrameNum() % 360; vector<glm::vec3> vertices; for (int deg = 0; deg < 360 * 4; deg += deg_span) { auto next_deg = deg + deg_span; auto radius = ofMap(deg, 0, 360 * 4, 50, 300); auto next_radius = ofMap(next_deg, 0, 360 * 4, 50, 300); auto max_len = ofMap(deg, 0, 360 * 4, 100, 350); auto len = ofMap(ofNoise(deg * 0.001 - ofGetFrameNum() * 0.015), 0, 1, -max_len, max_len); auto next_len = ofMap(ofNoise(next_deg * 0.001 - ofGetFrameNum() * 0.015), 0, 1, -max_len, max_len); auto location_1 = glm::vec3(radius * cos(deg * DEG_TO_RAD), radius * sin(deg * DEG_TO_RAD), 0); auto location_2 = glm::vec3(radius * cos(deg * DEG_TO_RAD), radius * sin(deg * DEG_TO_RAD), len); auto next_location = glm::vec3(next_radius * cos(next_deg * DEG_TO_RAD), next_radius * sin(next_deg * DEG_TO_RAD), next_len); ofDrawLine(location_1, location_2); ofDrawLine(location_2, next_location); vertices.push_back(location_1); } ofNoFill(); ofBeginShape(); ofVertices(vertices); ofEndShape(); this->cam.end(); /* int start = 50; 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()); } |