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数字を生成。
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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) {}; ofEasyCam cam; vector<float> radius_list; vector<float> speed_list; vector<glm::vec3> rotation_list; vector<int> index_list; ofTrueTypeFont font; string word; }; |
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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", 35, true, true, true); this->word = "0123456789"; vector<glm::vec2> location_list; for (int i = 0; i < 300; i++) { this->radius_list.push_back(ofRandom(50, 300)); this->speed_list.push_back(ofRandom(3, 7)); this->rotation_list.push_back(glm::vec3(ofRandom(360), ofRandom(360), ofRandom(360))); this->index_list.push_back(ofRandom(this->word.size())); } } //-------------------------------------------------------------- void ofApp::update() { for (int i = 0; i < this->radius_list.size(); i++) { this->radius_list[i] = (int)(this->radius_list[i] + this->speed_list[i]) % 300; } } //-------------------------------------------------------------- void ofApp::draw() { this->cam.begin(); ofRotateY(ofGetFrameNum() * 0.7); ofRotateX(ofGetFrameNum() * 1.2); for (int i = 0; i < this->radius_list.size(); i++) { ofRotateZ(this->rotation_list[i].z); ofRotateY(this->rotation_list[i].y); ofRotateX(this->rotation_list[i].x); ofPushMatrix(); ofTranslate(-8, 15, this->radius_list[i] + 35); ofPath chara_path = this->font.getCharacterAsPoints(this->word[this->index_list[i]], true, false); vector<ofPolyline> outline = chara_path.getOutline(); auto alpha = this->radius_list[i] < 200 ? 100 : ofMap(this->radius_list[i], 200, 330, 100, 0); ofFill(); ofSetColor(255, alpha); ofBeginShape(); for (int outline_index = 0; outline_index < outline.size(); outline_index++) { ofNextContour(true); auto vertices = outline[outline_index].getVertices(); ofVertices(vertices); } ofEndShape(true); alpha = this->radius_list[i] < 200 ? 255 : ofMap(this->radius_list[i], 200, 330, 255, 0); ofNoFill(); ofSetColor(255, alpha); ofBeginShape(); for (int outline_index = 0; outline_index < outline.size(); outline_index++) { ofNextContour(true); auto vertices = outline[outline_index].getVertices(); ofVertices(vertices); } ofEndShape(true); ofPopMatrix(); } this->cam.end(); } //-------------------------------------------------------------- int main() { ofSetupOpenGL(720, 720, OF_WINDOW); ofRunApp(new ofApp()); } |