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文字の行進。
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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) {}; int font_size; ofTrueTypeFont font; vector<string> words; vector<glm::vec2> location_list; vector<bool> param_list; vector<float> index_list; ofEasyCam cam; }; |
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#include "ofApp.h" //-------------------------------------------------------------- void ofApp::setup() { ofSetFrameRate(30); ofSetWindowTitle("openframeworks"); ofBackground(0); ofSetColor(255); this->font_size = 40; ofTrueTypeFontSettings font_settings("fonts/msgothic.ttc", this->font_size); this->font.load(font_settings); this->words = { "A", "B", "C", "D", "E", "F", "G", "H", "I", "J", "K", "L", "M", "N", "O", "P", "Q", "R", "S", "T", "U", "V", "W", "X", "Y", "Z", }; for (int x = this->font_size * -12; x <= this->font_size * 12; x += this->font_size * 0.8) { for (int y = this->font_size * -12; y <= this->font_size * 12; y += this->font_size * 1.2) { this->location_list.push_back(glm::vec2(x, y)); this->index_list.push_back(0.f); this->param_list.push_back(true); } } } //-------------------------------------------------------------- void ofApp::update() { ofSeedRandom(39); for (auto& param : this->param_list) { param = false; } for (int i = 0; i < this->location_list.size(); i++) { auto y = ((int)((this->location_list[i].x + 1000) * 10 + ofGetFrameNum() * 10) % 1200) - 600; if (this->location_list[i].y > y - 60 && this->location_list[i].y < y + 60) { this->index_list[i] += ofRandom(1, 5); this->index_list[i] = (int)this->index_list[i] % this->words.size(); this->param_list[i] = true; } } } //-------------------------------------------------------------- void ofApp::draw() { this->cam.begin(); ofTranslate(this->font_size * 0.5, this->font_size * 0.5); ofRotate(330); for (int i = 0; i < this->location_list.size(); i++) { ofPushMatrix(); ofTranslate(this->location_list[i]); if (this->param_list[i]) { ofRotateY(ofMap(ofNoise(this->location_list[i].y * 0.005, ofGetFrameNum() * 0.03), 0, 1, -3600, 3600)); } this->font.drawString(this->words[this->index_list[i]], this->font_size * -0.25, this->font_size * -0.5); ofPopMatrix(); } this->cam.end(); } //-------------------------------------------------------------- int main() { ofSetupOpenGL(720, 720, OF_WINDOW); ofRunApp(new ofApp()); } |