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Three clusters of coordinates to draw a line.
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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 frame; }; |
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#include "ofApp.h" //-------------------------------------------------------------- void ofApp::setup() { ofSetFrameRate(60); ofSetWindowTitle("openFrameworks"); ofBackground(239); ofEnableDepthTest(); this->frame.setMode(ofPrimitiveMode::OF_PRIMITIVE_LINES); } //-------------------------------------------------------------- void ofApp::update() { ofSeedRandom(39); this->frame.clear(); int number_of_satellite = 10; int number_of_log = 35; int base_radius = 80; for (int i = 0; i < 3; i++) { auto base_seed = glm::vec3(ofRandom(1000), ofRandom(1000), ofRandom(1000)); auto base_location = glm::vec3( ofMap(ofNoise(base_seed.x, (ofGetFrameNum() + number_of_log) * 0.005), 0, 1, -300, 300), ofMap(ofNoise(base_seed.y, (ofGetFrameNum() + number_of_log) * 0.005), 0, 1, -300, 300), ofMap(ofNoise(base_seed.z, (ofGetFrameNum() + number_of_log) * 0.005), 0, 1, -300, 300)); for (int i = 0; i < number_of_satellite; i++) { float noise_seed_x = ofRandom(1000); float noise_seed_y = ofRandom(1000); auto location = glm::vec3(ofRandom(-1, 1), ofRandom(-1, 1), ofRandom(-1, 1)); location = glm::normalize(location) * base_radius * 1.2; for (int k = 0; k < number_of_log; k++) { auto rotation_y = glm::rotate(glm::mat4(), ofMap(ofNoise(noise_seed_y, (ofGetFrameNum() + k) * 0.005), 0, 1, -PI * 2, PI * 2), glm::vec3(0, 1, 0)); auto rotation_x = glm::rotate(glm::mat4(), ofMap(ofNoise(noise_seed_x, (ofGetFrameNum() + k) * 0.005), 0, 1, -PI * 2, PI * 2), glm::vec3(1, 0, 0)); auto tmp_base_location = glm::vec3( ofMap(ofNoise(base_seed.x, (ofGetFrameNum() + k) * 0.005), 0, 1, -300, 300), ofMap(ofNoise(base_seed.y, (ofGetFrameNum() + k) * 0.005), 0, 1, -300, 300), ofMap(ofNoise(base_seed.z, (ofGetFrameNum() + k) * 0.005), 0, 1, -300, 300)); auto loc = tmp_base_location + glm::vec4(location, 0) * rotation_y * rotation_x; this->frame.addVertex(loc); this->frame.addColor(ofColor(39, ofMap(k, 0, number_of_log, 25, 255))); } } } for (int i = 0; i < this->frame.getNumVertices(); i++) { for (int k = i + 1; k < this->frame.getNumVertices(); k++) { if (glm::distance(this->frame.getVertex(i), this->frame.getVertex(k)) < 25) { this->frame.addIndex(i); this->frame.addIndex(k); } } } } //-------------------------------------------------------------- void ofApp::draw() { this->cam.begin(); this->frame.drawWireframe(); this->cam.end(); } //-------------------------------------------------------------- int main() { ofSetupOpenGL(720, 720, OF_WINDOW); ofRunApp(new ofApp()); } |