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ランダムウォークの点通しをつなぐ。
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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) {}; }; |
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#include "ofApp.h" //-------------------------------------------------------------- void ofApp::setup() { ofSetFrameRate(60); ofSetWindowTitle("openFrameworks"); ofBackground(0); ofSetColor(255); ofNoFill(); } //-------------------------------------------------------------- void ofApp::update() { ofSeedRandom(39); } //-------------------------------------------------------------- void ofApp::draw() { ofTranslate(ofGetWindowSize() * 0.5); ofMesh location_list; location_list.setMode(ofPrimitiveMode::OF_PRIMITIVE_LINES); for (int i = 0; i < 10; i++) { auto noise_seed = glm::vec2(ofRandom(1000), ofRandom(1000)); ofMesh mesh; mesh.setMode(ofPrimitiveMode::OF_PRIMITIVE_LINES); for (int k = 0; k < 40; k++) { mesh.addVertex(glm::vec3( ofMap(ofNoise(noise_seed.x, k * 0.005 + ofGetFrameNum() * 0.005), 0, 1, -350, 350), ofMap(ofNoise(noise_seed.y, k * 0.005 + ofGetFrameNum() * 0.005), 0, 1, -350, 350), 0)); if (k > 0) { mesh.addIndex(k); mesh.addIndex(k - 1); } if (k % 10 == 0) { location_list.addVertex(mesh.getVertices().back()); } } //mesh.drawWireframe(); } for (int i = 0; i < location_list.getNumVertices(); i++) { ofNoFill(); ofDrawCircle(location_list.getVertex(i), 5); for (int k = i + 1; k < location_list.getNumVertices(); k++) { auto distance = glm::distance(location_list.getVertex(i), location_list.getVertex(k)); if (distance < 60) { location_list.addIndex(i); location_list.addIndex(k); ofFill(); ofDrawCircle(location_list.getVertex(i), 2); ofDrawCircle(location_list.getVertex(k), 2); } } } location_list.drawWireframe(); } //-------------------------------------------------------------- int main() { ofSetupOpenGL(720, 720, OF_WINDOW); ofRunApp(new ofApp()); } |