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六角形のグループ。
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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 mouseEntered(int x, int y) {}; void mouseExited(int x, int y) {}; void windowResized(int w, int h) {}; void dragEvent(ofDragInfo dragInfo) {}; void gotMessage(ofMessage msg) {}; void setHexagonToMesh(ofMesh& face_target, ofMesh& frame_target, glm::vec3 location, float radius, float height); vector<glm::vec3> location_list; ofEasyCam cam; ofMesh face, frame; }; |
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#include "ofApp.h" //-------------------------------------------------------------- void ofApp::setup() { ofSetFrameRate(25); ofSetWindowTitle("openFrameworks"); ofBackground(239); ofEnableDepthTest(); auto radius = 20; auto x_span = radius * sqrt(3); auto flg = true; for (float y = -330; y < 330; y += radius * 1.5) { for (float x = -330; x < 330; x += x_span) { for (float z = -150; z <= 150; z += 5) { glm::vec3 location; if (flg) { location = glm::vec3(x, y, z); } else { location = glm::vec3(x + (x_span / 2), y, z); } this->location_list.push_back(location); } } flg = !flg; } this->frame.setMode(ofPrimitiveMode::OF_PRIMITIVE_LINES); } //-------------------------------------------------------------- void ofApp::update() { ofSeedRandom(39); this->face.clear(); this->frame.clear(); for (int i = 0; i < this->location_list.size(); i++) { this->setHexagonToMesh(this->face, this->frame, this->location_list[i], 20, 5); } } //-------------------------------------------------------------- void ofApp::draw() { this->cam.begin(); ofRotateY(sin(ofGetFrameNum() * 0.0314) * 16); ofRotateX(sin(ofGetFrameNum() * 0.0314) * 8); this->face.draw(); this->frame.draw(); this->cam.end(); /* // ffmpeg -i img_%04d.jpg aaa.mp4 int start = 250; if (ofGetFrameNum() > start) { std::ostringstream os; os << std::setw(4) << std::setfill('0') << ofGetFrameNum() - start; ofImage image; image.grabScreen(0, 0, ofGetWidth(), ofGetHeight()); image.saveImage("image/cap/img_" + os.str() + ".jpg"); if (ofGetFrameNum() - start >= 25 * 20) { std::exit(1); } } */ } //-------------------------------------------------------------- void ofApp::setHexagonToMesh(ofMesh& face_target, ofMesh& frame_target, glm::vec3 location, float radius, float height) { ofColor face_color = ofColor(ofMap(location.z, -150, 150, 0, 255)); ofColor frame_color = ofColor(0); auto noise_param = ofNoise(location.x * 0.005, location.y * 0.005, location.z * 0.001, ofGetFrameNum() * 0.005); auto face_radius = radius - 0.5; if (noise_param < 0.45) { return; } for (int deg = 90; deg < 450; deg += 60) { auto face_index = face_target.getNumVertices(); auto frame_index = frame_target.getNumVertices(); vector<glm::vec3> vertices; vertices.push_back(glm::vec3(0, 0, 0)); vertices.push_back(glm::vec3(face_radius * cos(deg * DEG_TO_RAD), face_radius * sin(deg * DEG_TO_RAD), 0)); vertices.push_back(glm::vec3(face_radius * cos((deg + 60) * DEG_TO_RAD), face_radius * sin((deg + 60) * DEG_TO_RAD), 0)); vertices.push_back(glm::vec3(0, 0, height)); vertices.push_back(glm::vec3(face_radius * cos((deg + 60) * DEG_TO_RAD), face_radius * sin((deg + 60) * DEG_TO_RAD), height)); vertices.push_back(glm::vec3(face_radius * cos(deg * DEG_TO_RAD), face_radius * sin(deg * DEG_TO_RAD), height)); for (auto& vertex : vertices) { vertex += location; } face_target.addVertices(vertices); face_target.addIndex(face_index + 0); face_target.addIndex(face_index + 1); face_target.addIndex(face_index + 2); face_target.addIndex(face_index + 3); face_target.addIndex(face_index + 4); face_target.addIndex(face_index + 5); face_target.addIndex(face_index + 1); face_target.addIndex(face_index + 2); face_target.addIndex(face_index + 4); face_target.addIndex(face_index + 1); face_target.addIndex(face_index + 4); face_target.addIndex(face_index + 5); frame_target.addVertices(vertices); frame_target.addIndex(frame_index + 1); frame_target.addIndex(frame_index + 2); frame_target.addIndex(frame_index + 4); frame_target.addIndex(frame_index + 5); frame_target.addIndex(frame_index + 1); frame_target.addIndex(frame_index + 5); frame_target.addIndex(frame_index + 2); frame_target.addIndex(frame_index + 4); for (int i = 0; i < vertices.size(); i++) { face_target.addColor(face_color); frame_target.addColor(frame_color); } } } //-------------------------------------------------------------- int main() { ofSetupOpenGL(720, 720, OF_WINDOW); ofRunApp(new ofApp()); } |
[ Link ]
https://github.com/junkiyoshi/DoodleDeProgramming/tree/596bf564ecd6f40129a48baf6dccc1263b7bffdf