[ Video ]
[ About ]
ofTrueTypeFont.getStringAsPoints()で取得した座標を回転させて、球体上で描写する。
The coordinates obtained with ofTrueTypeFont.getStringAsPoints() are rotated and depicted on the sphere.
[ Source ]
|
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 |
#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; float font_size; ofTrueTypeFont font; vector<string> word_list; vector<vector<vector<glm::vec3>>> word_vertices_list; }; |
|
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 |
#include "ofApp.h" //-------------------------------------------------------------- void ofApp::setup() { ofSetFrameRate(30); ofSetWindowTitle("openframeworks"); ofBackground(239); ofSetLineWidth(3); ofEnableDepthTest(); this->font_size = 25; this->font.loadFont("fonts/Kazesawa-Bold.ttf", this->font_size, true, true, true); this->word_list = { "A", "B", "C", "D", "E", "F", "G", "H", "I", "J", "K", "L", "M", "N", "O", "P", "Q", "R", "S", "T", "U", "V", "V", "X", "Y", "Z" }; int sample_count = 39; for (auto& word : this->word_list) { vector<vector<glm::vec3>> vertices_list; 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++) { auto vertices = outline[outline_index].getResampledByCount(sample_count).getVertices(); vertices_list.push_back(vertices); } } this->word_vertices_list.push_back(vertices_list); } } //-------------------------------------------------------------- void ofApp::update() { ofSeedRandom(39); } //-------------------------------------------------------------- void ofApp::draw() { this->cam.begin(); ofColor color; for (int i = 0; i < 256 * 3; i++) { auto word_index = i % this->word_list.size(); auto noise_param = glm::vec3(ofRandom(1000), ofRandom(1000), ofRandom(1000)); auto word_size = this->font.getStringBoundingBox(this->word_list[word_index], 0, 0); auto radius = ofRandom(90, 110); color.setHsb(i % 256, 180, 255); for (int k = 0; k < 2; k++) { if (k == 0) { ofFill(); ofSetColor(color); } else { ofNoFill(); ofSetColor(39); } ofBeginShape(); for (int vertices_index = 0; vertices_index < this->word_vertices_list[word_index].size(); vertices_index++) { if (vertices_index != 0) { ofNextContour(true); } auto vertices = this->word_vertices_list[word_index][vertices_index]; for (auto& vertex : vertices) { auto rotation_x = glm::rotate(glm::mat4(), ofMap(ofNoise(noise_param.x, vertex.x * 0.0001, ofGetFrameNum() * 0.0015), 0, 1, -PI * 2, PI * 2), glm::vec3(1, 0, 0)); auto rotation_y = glm::rotate(glm::mat4(), ofMap(ofNoise(noise_param.y, vertex.y * 0.0001, ofGetFrameNum() * 0.0015), 0, 1, -PI * 2, PI * 2), glm::vec3(0, 1, 0)); auto rotation_z = glm::rotate(glm::mat4(), ofMap(ofNoise(noise_param.z, vertex.z * 0.0001, ofGetFrameNum() * 0.0015), 0, 1, -PI * 2, PI * 2), glm::vec3(0, 0, 1)); glm::vec3 location = glm::vec4(glm::vec3(vertex - glm::vec3(word_size.getWidth() * 0.5, -word_size.getHeight() * 0.5, radius)), 0) * rotation_z * rotation_y * rotation_x; ofVertex(location); } } ofEndShape(true); } } this->cam.end(); } //-------------------------------------------------------------- int main() { ofSetupOpenGL(720, 720, OF_WINDOW); ofRunApp(new ofApp()); } |
[ Link ]
https://github.com/junkiyoshi/Insta20210622
[ Kinako ]