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環の球体
Ring on 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 windowResized(int w, int h) {}; void dragEvent(ofDragInfo dragInfo) {}; void gotMessage(ofMessage msg) {}; ofEasyCam cam; ofMesh face, frame; }; |
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#include "ofApp.h" //-------------------------------------------------------------- void ofApp::setup() { ofSetFrameRate(60); ofSetWindowTitle("openFrameworks"); ofBackground(239); ofEnableDepthTest(); this->frame.setMode(ofPrimitiveMode::OF_PRIMITIVE_LINES); } //-------------------------------------------------------------- void ofApp::update() { this->face.clear(); this->frame.clear(); int radius = 300; int theta_start = (int)(ofGetFrameNum() * 0.5) % 10; for (int theta = theta_start; theta < theta_start + 180; theta += 10) { for (int phi = 0; phi < 360; phi += 1) { auto index = this->face.getNumVertices(); vector<glm::vec3> vertices; vertices.push_back(glm::vec3( radius * cos(phi * DEG_TO_RAD) * sin((theta + 1) * DEG_TO_RAD), radius * sin(phi * DEG_TO_RAD) * sin((theta + 1) * DEG_TO_RAD), radius * cos((theta + 1) * DEG_TO_RAD) )); vertices.push_back(glm::vec3( radius * cos((phi + 1) * DEG_TO_RAD) * sin((theta + 1) * DEG_TO_RAD), radius * sin((phi + 1) * DEG_TO_RAD) * sin((theta + 1) * DEG_TO_RAD), radius * cos((theta + 1) * DEG_TO_RAD) )); vertices.push_back(glm::vec3( radius * cos((phi + 1) * DEG_TO_RAD) * sin((theta - 1) * DEG_TO_RAD), radius * sin((phi + 1) * DEG_TO_RAD) * sin((theta - 1) * DEG_TO_RAD), radius * cos((theta - 1) * DEG_TO_RAD) )); vertices.push_back(glm::vec3( radius * cos(phi * DEG_TO_RAD) * sin((theta - 1) * DEG_TO_RAD), radius * sin(phi * DEG_TO_RAD) * sin((theta - 1) * DEG_TO_RAD), radius * cos((theta - 1) * DEG_TO_RAD) )); vertices.push_back(glm::vec3( (radius - 30) * cos(phi * DEG_TO_RAD) * sin((theta + 1) * DEG_TO_RAD), (radius - 30) * sin(phi * DEG_TO_RAD) * sin((theta + 1) * DEG_TO_RAD), radius * cos((theta + 1) * DEG_TO_RAD) )); vertices.push_back(glm::vec3( (radius - 30) * cos((phi + 1) * DEG_TO_RAD) * sin((theta + 1) * DEG_TO_RAD), (radius - 30) * sin((phi + 1) * DEG_TO_RAD) * sin((theta + 1) * DEG_TO_RAD), radius * cos((theta + 1) * DEG_TO_RAD) )); vertices.push_back(glm::vec3( (radius - 30) * cos((phi + 1) * DEG_TO_RAD) * sin((theta - 1) * DEG_TO_RAD), (radius - 30) * sin((phi + 1) * DEG_TO_RAD) * sin((theta - 1) * DEG_TO_RAD), radius * cos((theta - 1) * DEG_TO_RAD) )); vertices.push_back(glm::vec3( (radius - 30) * cos(phi * DEG_TO_RAD) * sin((theta - 1) * DEG_TO_RAD), (radius - 30) * sin(phi * DEG_TO_RAD) * sin((theta - 1) * DEG_TO_RAD), radius * cos((theta - 1) * DEG_TO_RAD) )); this->face.addVertices(vertices); this->frame.addVertices(vertices); this->face.addIndex(index + 0); this->face.addIndex(index + 1); this->face.addIndex(index + 2); this->face.addIndex(index + 0); this->face.addIndex(index + 2); this->face.addIndex(index + 3); this->face.addIndex(index + 4); this->face.addIndex(index + 5); this->face.addIndex(index + 6); this->face.addIndex(index + 4); this->face.addIndex(index + 6); this->face.addIndex(index + 7); this->face.addIndex(index + 0); this->face.addIndex(index + 4); this->face.addIndex(index + 5); this->face.addIndex(index + 0); this->face.addIndex(index + 5); this->face.addIndex(index + 1); this->face.addIndex(index + 2); this->face.addIndex(index + 6); this->face.addIndex(index + 7); this->face.addIndex(index + 2); this->face.addIndex(index + 7); this->face.addIndex(index + 3); this->frame.addIndex(index + 0); this->frame.addIndex(index + 1); this->frame.addIndex(index + 2); this->frame.addIndex(index + 3); this->frame.addIndex(index + 4); this->frame.addIndex(index + 5); this->frame.addIndex(index + 6); this->frame.addIndex(index + 7); } } } //-------------------------------------------------------------- void ofApp::draw() { this->cam.begin(); ofRotateX(270); ofSetColor(39); this->face.draw(); ofSetColor(239); this->frame.drawWireframe(); this->cam.end(); } //-------------------------------------------------------------- int main() { ofSetupOpenGL(720, 720, OF_WINDOW); ofRunApp(new ofApp()); } |