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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(60); ofSetWindowTitle("openFrameworks"); ofBackground(239); ofSetColor(39); ofSetLineWidth(1.5); ofEnableDepthTest(); } //-------------------------------------------------------------- void ofApp::update() { ofSeedRandom(39); } //-------------------------------------------------------------- void ofApp::draw() { this->cam.begin(); for (int i = 0; i < 10; i++) { float noise_seed_x = ofRandom(1000); float noise_seed_y = ofRandom(1000); float random_deg = ofRandom(360); glm::vec3 prev_location; for (int radius = 0; radius < 300; radius += 5) { auto point = glm::vec3(radius * cos(random_deg * DEG_TO_RAD), radius * sin(random_deg * DEG_TO_RAD), 0); auto rotation_x = glm::rotate(glm::mat4(), ofMap(ofNoise(noise_seed_x + (radius + ofGetFrameNum()) * 0.003), 0, 1, -PI * 2, PI * 2), glm::vec3(1, 0, 0)); auto rotation_y = glm::rotate(glm::mat4(), ofMap(ofNoise(noise_seed_y + (radius + ofGetFrameNum()) * 0.003), 0, 1, -PI * 2, PI * 2), glm::vec3(0, 1, 0)); glm::vec3 location = glm::vec4(point, 0) * rotation_x * rotation_y; ofDrawSphere(location, 3); if (prev_location != glm::vec3()) { ofDrawLine(prev_location, location); } prev_location = location; } } this->cam.end(); } //-------------------------------------------------------------- int main() { ofSetupOpenGL(720, 720, OF_WINDOW); ofRunApp(new ofApp()); } |