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Connection visualize.
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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) {}; glm::vec2 make_point(int len, int param); vector<ofMesh> line_list; ofMesh near_line; }; |
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#include "ofApp.h" //-------------------------------------------------------------- void ofApp::setup() { ofSetWindowTitle("openFrameworks"); ofSetFrameRate(60); ofBackground(239); ofSetColor(39); ofNoFill(); this->near_line.setMode(ofPrimitiveMode::OF_PRIMITIVE_LINES); } //-------------------------------------------------------------- void ofApp::update() { ofSeedRandom(39); this->line_list.clear(); this->near_line.clear(); int len = 500; { ofMesh line; line.setMode(ofPrimitiveMode::OF_PRIMITIVE_LINES); for (int param = 0; param < 100; param += 1) { line.addVertex(glm::vec3(this->make_point(len, param), 0)); if (param > 0) { line.addIndex(line.getNumVertices() - 1); line.addIndex(line.getNumVertices() - 2); } } this->line_list.push_back(line); } for (int i = 0; i < 5; i++) { ofMesh line; line.setMode(ofPrimitiveMode::OF_PRIMITIVE_LINES); auto noise_seed = ofRandom(1000); for (int x = -len * 0.5; x <= len * 0.5; x += 5) { auto y = ofMap(ofNoise(noise_seed, x * 0.0035, ofGetFrameNum() * 0.0035), 0, 1, -len * 0.5, len * 0.5); line.addVertex(glm::vec3(x, y, 0)); if (x > len * -0.5) { line.addIndex(line.getNumVertices() - 1); line.addIndex(line.getNumVertices() - 2); } } this->line_list.push_back(line); } for (int i = 0; i < this->line_list.size(); i++) { for (int k = i + 1; k < this->line_list.size(); k++) { for (int m = 0; m < this->line_list[i].getNumVertices(); m++) { bool m_flag = false; int m_index = m; for (int p = 0; p < this->line_list[k].getNumVertices(); p++) { if (glm::distance(this->line_list[i].getVertex(m), this->line_list[k].getVertex(p)) < 50) { if (m_flag == false) { m_index = this->near_line.getNumVertices(); this->near_line.addVertex(this->line_list[i].getVertex(m)); m_flag = true; } this->near_line.addVertex(this->line_list[k].getVertex(p)); this->near_line.addIndex(m_index); this->near_line.addIndex(this->near_line.getNumVertices() - 1); } } } } } } //-------------------------------------------------------------- void ofApp::draw() { ofTranslate(ofGetWidth() * 0.5, ofGetHeight() * 0.5); this->near_line.draw(); ofFill(); for (auto& vertex : this->near_line.getVertices()) { ofDrawCircle(vertex, 3); } ofNoFill(); ofDrawRectangle(glm::vec2(-250, -250), 500, 500); } //-------------------------------------------------------------- glm::vec2 ofApp::make_point(int len, int param) { param = param % 100; if (param < 25) { return glm::vec2(ofMap(param, 0, 25, -len * 0.5, len * 0.5), -len * 0.5); } else if (param < 50) { return glm::vec2(len * 0.5, ofMap(param, 25, 50, -len * 0.5, len * 0.5)); } else if (param < 75) { return glm::vec2(ofMap(param, 50, 75, len * 0.5, -len * 0.5), len * 0.5); } else { return glm::vec2(-len * 0.5, ofMap(param, 75, 100, len * 0.5, -len * 0.5)); } } //-------------------------------------------------------------- int main() { ofSetupOpenGL(720, 720, OF_WINDOW); ofRunApp(new ofApp()); } |