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球体上の輪
Ring on the sphere.
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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; }; |
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#include "ofApp.h" //-------------------------------------------------------------- void ofApp::setup() { ofSetFrameRate(60); ofSetWindowTitle("openframeworks"); ofBackground(239); ofSetColor(39); ofEnableDepthTest(); } //-------------------------------------------------------------- void ofApp::update() { } //-------------------------------------------------------------- void ofApp::draw() { this->cam.begin(); ofRotateX(270); int radius = 300; for (int i = 0; i < 10; i++) { int theta = (ofGetFrameNum() + i * 18) % 180; vector<glm::vec3> vertices; vector<glm::vec3> sub_vertices; for (int deg = 0; deg <= 360; deg += 3) { auto location = glm::vec3(radius * cos(deg * DEG_TO_RAD) * sin(theta * DEG_TO_RAD), radius * sin(deg * DEG_TO_RAD) * sin(theta * DEG_TO_RAD), radius * cos(theta * DEG_TO_RAD)); vertices.push_back(location); if (theta + 5 < 180) { auto sub_location = glm::vec3(radius * cos(deg * DEG_TO_RAD) * sin((theta + 5) *DEG_TO_RAD), radius * sin(deg * DEG_TO_RAD) * sin((theta + 5) * DEG_TO_RAD), radius * cos((theta + 5) * DEG_TO_RAD)); sub_vertices.push_back(sub_location); } } ofBeginShape(); ofVertices(vertices); if (sub_vertices.size() > 0) { std::reverse(sub_vertices.begin(), sub_vertices.end()); ofVertices(sub_vertices); } ofEndShape(); } this->cam.end(); } //-------------------------------------------------------------- int main() { ofSetupOpenGL(720, 720, OF_WINDOW); ofRunApp(new ofApp()); } |