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３色ライン。
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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, line; }; |
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#include "ofApp.h" //-------------------------------------------------------------- void ofApp::setup() { ofSetFrameRate(25); ofSetWindowTitle("openFrameworks"); ofBackground(39); ofSetLineWidth(3); ofEnableDepthTest(); ofEnableBlendMode(ofBlendMode::OF_BLENDMODE_ADD); this->line.setMode(ofPrimitiveMode::OF_PRIMITIVE_LINES); } //-------------------------------------------------------------- void ofApp::update() { ofSeedRandom(39); } //-------------------------------------------------------------- void ofApp::draw() { this->cam.begin(); ofRotateX(90); ofRotateZ(ofGetFrameNum() * 1.44); this->face.clear(); this->line.clear(); auto radius = 250; auto phi_len = 25; auto theta_deg_step = 0.25; ofColor color; auto noise_seed = ofRandom(1000); for (int i = 0; i < 3; i++) { color.setHsb(ofMap(i, 0, 3, 0, 255), 255, 255); for (float theta_deg = 0; theta_deg < 180; theta_deg += theta_deg_step) { auto next_theta_deg = theta_deg + theta_deg_step; auto phi_deg = i * 40 + ofMap(ofNoise(noise_seed, theta_deg * 0.01 + ofGetFrameNum() * 0.01), 0, 1, -360 * 3, 360 * 3); auto next_phi_deg = i * 40 + ofMap(ofNoise(noise_seed, next_theta_deg * 0.01 + ofGetFrameNum() * 0.01), 0, 1, -360 * 3, 360 * 3); vector<glm::vec3> vertices; vertices.push_back(glm::vec3( radius * sin(theta_deg * DEG_TO_RAD) * cos((phi_deg - phi_len * 0.5) * DEG_TO_RAD), radius * sin(theta_deg * DEG_TO_RAD) * sin((phi_deg - phi_len * 0.5) * DEG_TO_RAD), radius * cos(theta_deg * DEG_TO_RAD))); vertices.push_back(glm::vec3( radius * sin(theta_deg * DEG_TO_RAD) * cos((phi_deg + phi_len * 0.5) * DEG_TO_RAD), radius * sin(theta_deg * DEG_TO_RAD) * sin((phi_deg + phi_len * 0.5) * DEG_TO_RAD), radius * cos(theta_deg * DEG_TO_RAD))); vertices.push_back(glm::vec3( radius * sin(next_theta_deg * DEG_TO_RAD) * cos((next_phi_deg + phi_len * 0.5) * DEG_TO_RAD), radius * sin(next_theta_deg * DEG_TO_RAD) * sin((next_phi_deg + phi_len * 0.5) * DEG_TO_RAD), radius * cos(next_theta_deg * DEG_TO_RAD))); vertices.push_back(glm::vec3( radius * sin(next_theta_deg * DEG_TO_RAD) * cos((next_phi_deg - phi_len * 0.5) * DEG_TO_RAD), radius * sin(next_theta_deg * DEG_TO_RAD) * sin((next_phi_deg - phi_len * 0.5) * DEG_TO_RAD), radius * cos(next_theta_deg * DEG_TO_RAD))); this->face.addVertices(vertices); this->face.addIndex(this->face.getNumVertices() - 1); this->face.addIndex(this->face.getNumVertices() - 2); this->face.addIndex(this->face.getNumVertices() - 3); this->face.addIndex(this->face.getNumVertices() - 1); this->face.addIndex(this->face.getNumVertices() - 3); this->face.addIndex(this->face.getNumVertices() - 4); this->line.addVertices(vertices); this->line.addIndex(this->line.getNumVertices() - 1); this->line.addIndex(this->line.getNumVertices() - 4); this->line.addIndex(this->line.getNumVertices() - 2); this->line.addIndex(this->line.getNumVertices() - 3); for (int k = 0; k < vertices.size(); k++) { this->face.addColor(ofColor(color, 128)); this->line.addColor(color); } } } this->face.draw(); this->line.drawWireframe(); this->cam.end(); /* 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()); } |