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円をつなげるのを見比べる。
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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(30); ofSetWindowTitle("openFrameworks"); ofBackground(39); ofSetColor(255); } //-------------------------------------------------------------- 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 = ofMap(y, -280, 280, 0, 180); for (int deg = 0; deg < 360; deg += 20) { vector<glm::vec2> vertices; auto tmp_deg = deg + ofGetFrameNum() * 1; for (int x = -200; x <= 200; x += 400) { 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 main() { ofSetupOpenGL(720, 720, OF_WINDOW); ofRunApp(new ofApp()); } |