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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; ofMesh mesh; }; |
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#include "ofApp.h" //-------------------------------------------------------------- void ofApp::setup() { ofSetFrameRate(30); ofSetWindowTitle("openframeworks"); ofBackground(239); this->mesh.setMode(ofPrimitiveMode::OF_PRIMITIVE_LINES); } //-------------------------------------------------------------- void ofApp::update() { ofSeedRandom(39); this->mesh.clear(); for (int x = -650; x <= 650; x += 650) { for (int y = -650; y <= 650; y += 650) { int start_index = this->mesh.getNumVertices(); for (int i = 0; i < 3; i++) { auto noise_seed = glm::vec3(ofRandom(1000), ofRandom(1000), ofRandom(1000)); for (int deg = 0; deg < 360; deg += 2) { auto angle_x = ofMap(ofNoise(noise_seed.x, cos(deg * DEG_TO_RAD), ofGetFrameNum() * 0.006), 0, 1, 0, PI); auto angle_y = ofMap(ofNoise(noise_seed.y, sin(deg * DEG_TO_RAD), ofGetFrameNum() * 0.006), 0, 1, 0, PI); auto angle_z = ofMap(ofNoise(noise_seed.z, ofGetFrameNum() * 0.006), 0, 1, 0, PI); auto rotation_x = glm::rotate(glm::mat4(), angle_x, glm::vec3(1, 0, 0)); auto rotation_y = glm::rotate(glm::mat4(), angle_y, glm::vec3(0, 1, 0)); auto rotation_z = glm::rotate(glm::mat4(), angle_z, glm::vec3(0, 0, 1)); auto location = glm::vec3(300 * cos(deg * DEG_TO_RAD), 300 * sin(deg * DEG_TO_RAD), 0); location = glm::vec4(location, 0) * rotation_z * rotation_y * rotation_x; this->mesh.addVertex(location + glm::vec3(x, y, 0)); } } int end_index = this->mesh.getNumVertices(); for (int i = start_index; i < end_index; i++) { for (int k = i + 1; k < end_index; k++) { if (glm::distance(this->mesh.getVertex(i), this->mesh.getVertex(k)) < 50) { this->mesh.addIndex(i); this->mesh.addIndex(k); } } } } } } //-------------------------------------------------------------- void ofApp::draw() { this->cam.begin(); ofSetColor(39, 64); this->mesh.drawWireframe(); ofSetColor(39); for (auto& vertex : this->mesh.getVertices()) { ofDrawSphere(vertex, 3); } this->cam.end(); } //-------------------------------------------------------------- int main() { ofSetupOpenGL(720, 720, OF_WINDOW); ofRunApp(new ofApp()); } |