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六角形で構成された数字。
Numbers composed of hexagons.
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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; vector<int> life_list; ofTrueTypeFont font; ofEasyCam cam; ofMesh face, frame; }; |
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#include "ofApp.h" //-------------------------------------------------------------- void ofApp::setup() { ofSetFrameRate(30); ofSetWindowTitle("openFrameworks"); ofBackground(255); ofSetLineWidth(3); ofEnableDepthTest(); auto radius = 8; auto x_span = radius * sqrt(3); auto flg = true; for (float y = 0; y < 720; y += radius * 1.5) { for (float x = 0; x < 720; x += x_span) { glm::vec3 location; if (flg) { location = glm::vec3(x, y, 0); } else { location = glm::vec3(x + (x_span / 2), y, 0); } this->location_list.push_back(location); this->life_list.push_back(0); } flg = !flg; } this->font.loadFont("fonts/Kazesawa-Bold.ttf", 430, true, true, true); this->frame.setMode(ofPrimitiveMode::OF_PRIMITIVE_LINES); } //-------------------------------------------------------------- void ofApp::update() { ofSeedRandom(39); this->face.clear(); this->frame.clear(); string word = to_string((ofGetFrameNum() / 54) % 10); ofFbo fbo; fbo.allocate(ofGetWidth(), ofGetHeight()); fbo.begin(); ofTranslate(ofGetWidth() * 0.5, ofGetHeight() * 0.5); ofClear(0); ofSetColor(0); this->font.drawString(word, font.stringWidth(word) * -0.5, font.stringHeight(word) * 0.5); fbo.end(); ofPixels pixels; fbo.readToPixels(pixels); for (int i = 0; i < this->location_list.size(); i++) { ofColor color = pixels.getColor(this->location_list[i].x, this->location_list[i].y); if (color != ofColor(0, 0)) { this->life_list[i] = this->life_list[i] < 50 ? this->life_list[i] + 1 : 50; } else { this->life_list[i] = this->life_list[i] > 0 ? this->life_list[i] - 3 : 0; } } for (int i = 0; i < this->location_list.size(); i++) { auto height = 5.f; if (this->life_list[i] > 30) { this->setHexagonToMesh(this->face, this->frame, this->location_list[i], 8, height); } else if (this->life_list[i] > 0) { this->setHexagonToMesh(this->face, this->frame, this->location_list[i], ofMap(this->life_list[i], 0, 30, 0, 8), height); } } } //-------------------------------------------------------------- void ofApp::draw() { this->face.draw(); this->frame.draw(); this->cam.end(); } //-------------------------------------------------------------- void ofApp::setHexagonToMesh(ofMesh& face_target, ofMesh& frame_target, glm::vec3 location, float radius, float height) { ofColor face_color = ofColor(255); ofColor frame_color = ofColor(0); for (int deg = 90; deg < 450; deg += 60) { auto face_radius = radius - 0.5; auto face_index = face_target.getNumVertices(); vector<glm::vec3> vertices; vertices.push_back(location + glm::vec3(0, 0, 0)); vertices.push_back(location + glm::vec3(face_radius * cos(deg * DEG_TO_RAD), face_radius * sin(deg * DEG_TO_RAD), 0)); vertices.push_back(location + glm::vec3(face_radius * cos((deg + 60) * DEG_TO_RAD), face_radius * sin((deg + 60) * DEG_TO_RAD), 0)); vertices.push_back(location + glm::vec3(0, 0, height)); vertices.push_back(location + glm::vec3(face_radius * cos((deg + 60) * DEG_TO_RAD), face_radius * sin((deg + 60) * DEG_TO_RAD), height)); vertices.push_back(location + glm::vec3(face_radius * cos(deg * DEG_TO_RAD), face_radius * sin(deg * DEG_TO_RAD), height)); 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); auto frame_index = frame_target.getNumVertices(); vertices.clear(); vertices.push_back(location + glm::vec3(0, 0, 0)); vertices.push_back(location + glm::vec3(radius * cos(deg * DEG_TO_RAD), radius * sin(deg * DEG_TO_RAD), 0)); vertices.push_back(location + glm::vec3(radius * cos((deg + 60) * DEG_TO_RAD), radius * sin((deg + 60) * DEG_TO_RAD), 0)); vertices.push_back(location + glm::vec3(0, 0, height)); vertices.push_back(location + glm::vec3(radius * cos((deg + 60) * DEG_TO_RAD), radius * sin((deg + 60) * DEG_TO_RAD), height)); vertices.push_back(location + glm::vec3(radius * cos(deg * DEG_TO_RAD), radius * sin(deg * DEG_TO_RAD), height)); 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()); } |