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円の対線を結ぶ。
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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) {}; }; |
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#include "ofApp.h" //-------------------------------------------------------------- void ofApp::setup() { ofSetFrameRate(60); ofSetWindowTitle("openFrameworks"); ofBackground(255); ofSetColor(0); ofNoFill(); ofEnableDepthTest(); } //-------------------------------------------------------------- void ofApp::update() { } //-------------------------------------------------------------- void ofApp::draw() { ofTranslate(ofGetWindowSize() * 0.5); ofRotateY(90); float radius = 200; vector<glm::vec3> vertices_1; vector<glm::vec3> vertices_2; for (int z = -500; z <= 500; z += 10) { auto deg = (z + 500) + ofGetFrameNum(); auto location_1 = glm::vec3(radius * cos(deg * DEG_TO_RAD), radius * sin(deg * DEG_TO_RAD), z); auto location_2 = glm::vec3(radius * cos((deg + 180) * DEG_TO_RAD), radius * sin((deg + 180) * DEG_TO_RAD), z); vertices_1.push_back(location_1); vertices_2.push_back(location_2); ofDrawLine(location_1, location_2); ofDrawSphere(location_1, 2); ofDrawSphere(location_2, 2); } ofBeginShape(); ofVertices(vertices_1); ofEndShape(); ofBeginShape(); ofVertices(vertices_2); ofEndShape(); } //-------------------------------------------------------------- int main() { ofSetupOpenGL(720, 720, OF_WINDOW); ofRunApp(new ofApp()); } |