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厚みのある数字を回転させる。
Rotate the thick figures.
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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; ofTrueTypeFont font; }; |
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#include "ofApp.h" //-------------------------------------------------------------- void ofApp::setup() { ofSetFrameRate(30); ofSetWindowTitle("openFrameworks"); ofBackground(0); ofSetLineWidth(2); ofEnableDepthTest(); this->font.loadFont("fonts/Kazesawa-Bold.ttf", 50, true, true, true); } //-------------------------------------------------------------- void ofApp::update() { ofSeedRandom(39); } //-------------------------------------------------------------- void ofApp::draw() { this->cam.begin(); vector<string> word_list = { "0", "1", "2", "3", "6", "5", "4", "7", "8", "9", "0" }; for (int base_deg = 0; base_deg < 360; base_deg += 15) { for (int y = -120; y <= 180; y += 60) { int word_index = ofMap(ofNoise(ofRandom(1000), ofGetFrameNum() * 0.005), 0, 1, 0, word_list.size()); auto word = word_list[word_index]; vector<ofPath> word_path = this->font.getStringAsPoints(word, true, false); for (int word_index = 0; word_index < word_path.size(); word_index++) { vector<ofPolyline> outline = word_path[word_index].getOutline(); for (int outline_index = 0; outline_index < outline.size(); outline_index++) { outline[outline_index] = outline[outline_index].getResampledBySpacing(2); vector<glm::vec3> vertices = outline[outline_index].getVertices(); vector<glm::vec3> mesh_vertices; vector<glm::vec3> base_location_list; vector<glm::highp_mat4x4> rotate_vertices; for (int vertices_index = 0; vertices_index < vertices.size(); vertices_index++) { auto base_location = glm::vec3(0, y, 200); base_location += glm::vec3(this->font.stringWidth(word_list[word_index]) * 0.5, this->font.stringHeight(word_list[word_index]) * 0.5, 0); auto noise_value = ofNoise(base_location.y * 0.08, ofGetFrameNum() * 0.005); auto deg = base_deg; if (noise_value > 0.75) { deg = base_deg + ofMap(noise_value, 0.75, 1, 0, 360); } else if (noise_value < 0.35) { deg = base_deg + ofMap(noise_value, 0, 0.35, -360, 0); } auto rotation = glm::rotate(glm::mat4(), (float)(deg * DEG_TO_RAD), glm::vec3(0, 1, 0)); auto location = vertices[vertices_index] - glm::vec3(this->font.stringWidth(word_list[word_index]) * 1.5, this->font.stringHeight(word_list[word_index]) * -1.5, 0); location.x *= -1; mesh_vertices.push_back(location); rotate_vertices.push_back(rotation); base_location_list.push_back(base_location); } ofMesh face, line; line.setMode(ofPrimitiveMode::OF_PRIMITIVE_LINES); for (int k = 0; k < mesh_vertices.size(); k++) { face.addVertex(glm::vec4(base_location_list[k], 0) * rotate_vertices[k] + glm::vec4(mesh_vertices[k] + glm::vec3(0, 0, -15), 0) * -rotate_vertices[k]); face.addVertex(glm::vec4(base_location_list[k], 0) * rotate_vertices[k] + glm::vec4(mesh_vertices[k] + glm::vec3(0, 0, 15), 0) * -rotate_vertices[k]); line.addVertex(glm::vec4(base_location_list[k], 0) * rotate_vertices[k] + glm::vec4(mesh_vertices[k] + glm::vec3(0, 0, -15), 0) * -rotate_vertices[k]); line.addVertex(glm::vec4(base_location_list[k], 0) * rotate_vertices[k] + glm::vec4(mesh_vertices[k] + glm::vec3(0, 0, 15), 0) * -rotate_vertices[k]); if (k > 0) { face.addIndex(face.getNumVertices() - 1); face.addIndex(face.getNumVertices() - 2); face.addIndex(face.getNumVertices() - 4); face.addIndex(face.getNumVertices() - 1); face.addIndex(face.getNumVertices() - 3); face.addIndex(face.getNumVertices() - 4); line.addIndex(line.getNumVertices() - 1); line.addIndex(line.getNumVertices() - 3); line.addIndex(line.getNumVertices() - 2); line.addIndex(line.getNumVertices() - 4); } line.addIndex(line.getNumVertices() - 1); line.addIndex(line.getNumVertices() - 2); } face.addIndex(face.getNumVertices() - 1); face.addIndex(0); face.addIndex(1); face.addIndex(face.getNumVertices() - 1); face.addIndex(face.getNumVertices() - 2); face.addIndex(2); line.addIndex(line.getNumVertices() - 1); line.addIndex(1); line.addIndex(line.getNumVertices() - 2); line.addIndex(0); ofSetColor(0); face.draw(); ofSetColor(0, 255, 255); line.drawWireframe(); } } } } this->cam.end(); } //-------------------------------------------------------------- int main() { ofSetupOpenGL(720, 720, OF_WINDOW); ofRunApp(new ofApp()); } |