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弧をつなぐ。
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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) {}; }; |
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#include "ofApp.h" //-------------------------------------------------------------- void ofApp::setup() { ofSetFrameRate(25); ofSetWindowTitle("openFrameworks"); ofBackground(239); ofSetColor(0); ofSetLineWidth(1.5); } //-------------------------------------------------------------- void ofApp::update() { ofSeedRandom(39); } //-------------------------------------------------------------- void ofApp::draw() { ofTranslate(ofGetWindowSize() * 0.5); auto radius = 50; for (int y = -280; y <= 280; y += 140) { auto deg_param = 120; auto deg_start = ofMap(y, -280, 280, 0, 360); for (int deg = deg_start; deg < deg_start + 200; deg += 20) { vector<glm::vec2> vertices; auto tmp_deg = deg + ofGetFrameNum() * 3; for (int x = -220; x <= 220; x += 220) { auto vertex = glm::vec2(x + radius * cos(tmp_deg * DEG_TO_RAD), y + radius * sin(tmp_deg * DEG_TO_RAD)); vertices.push_back(vertex); tmp_deg += deg_param; } ofNoFill(); ofBeginShape(); ofVertices(vertices); ofEndShape(); for (auto& vertex : vertices) { ofFill(); ofDrawCircle(vertex, 2); ofNoFill(); ofDrawCircle(vertex, 5); } } } /* int start = 50; if (ofGetFrameNum() > start) { ostringstream os; os << setw(4) << setfill('0') << ofGetFrameNum() - start; ofImage image; image.grabScreen(0, 0, ofGetWidth(), ofGetHeight()); image.saveImage("image/cap/img_" + os.str() + ".jpg"); if (ofGetFrameNum() - start >= 25 * 20) { std::exit(1); } } */ } //-------------------------------------------------------------- int main() { ofSetupOpenGL(720, 720, OF_WINDOW); ofRunApp(new ofApp()); } |