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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); ofEnableDepthTest(); this->line.setMode(ofPrimitiveMode::OF_PRIMITIVE_LINES); } //-------------------------------------------------------------- void ofApp::update() { this->face.clear(); this->line.clear(); float phi_deg_step = 0.5; float theta_deg_step = 0.5; float noise_scale = 2; float noise_threshold_start = 0.45; float noise_threshold_end = 0.55; ofColor line_color = ofColor(255); ofColor face_color = ofColor(0); for (float radius = 230; radius > 180; radius -= 5) { for (float phi_deg = 0; phi_deg < 360; phi_deg += phi_deg_step) { for (float theta_deg = 0; theta_deg <= 180; theta_deg += theta_deg_step) { auto noise_value = ofNoise( noise_scale * cos(phi_deg * DEG_TO_RAD), noise_scale * sin(phi_deg * DEG_TO_RAD), noise_scale * cos(theta_deg * DEG_TO_RAD), radius * 0.01 + ofGetFrameNum() * 0.05); if (noise_threshold_start > noise_value || noise_value > noise_threshold_end) { continue; } auto noise_value_1 = ofNoise( noise_scale * cos(phi_deg * DEG_TO_RAD), noise_scale * sin(phi_deg * DEG_TO_RAD), noise_scale * cos((theta_deg - theta_deg_step) * DEG_TO_RAD), radius * 0.01 + ofGetFrameNum() * 0.05); auto noise_value_2 = ofNoise( noise_scale * cos((phi_deg + phi_deg_step) * DEG_TO_RAD), noise_scale * sin((phi_deg + phi_deg_step) * DEG_TO_RAD), noise_scale * cos(theta_deg * DEG_TO_RAD), radius * 0.01 + ofGetFrameNum() * 0.05); auto noise_value_3 = ofNoise( noise_scale * cos((phi_deg - phi_deg_step) * DEG_TO_RAD), noise_scale * sin((phi_deg - phi_deg_step) * DEG_TO_RAD), noise_scale * cos(theta_deg * DEG_TO_RAD), radius * 0.01 + ofGetFrameNum() * 0.05); auto noise_value_4 = ofNoise( noise_scale * cos(phi_deg * DEG_TO_RAD), noise_scale * sin(phi_deg * DEG_TO_RAD), noise_scale * cos((theta_deg + theta_deg_step) * DEG_TO_RAD), radius * 0.01 + ofGetFrameNum() * 0.05); auto index = this->face.getNumVertices(); vector<glm::vec3> vertices; vertices.push_back(glm::vec3( radius * sin((theta_deg - theta_deg_step * 0.5) * DEG_TO_RAD) * cos((phi_deg + phi_deg_step * 0.5) * DEG_TO_RAD), radius * sin((theta_deg - theta_deg_step * 0.5) * DEG_TO_RAD) * sin((phi_deg + phi_deg_step * 0.5) * DEG_TO_RAD), radius * cos((theta_deg - theta_deg_step * 0.5) * DEG_TO_RAD))); vertices.push_back(glm::vec3( radius * sin((theta_deg - theta_deg_step * 0.5) * DEG_TO_RAD) * cos((phi_deg - phi_deg_step * 0.5) * DEG_TO_RAD), radius * sin((theta_deg - theta_deg_step * 0.5) * DEG_TO_RAD) * sin((phi_deg - phi_deg_step * 0.5) * DEG_TO_RAD), radius * cos((theta_deg - theta_deg_step * 0.5) * DEG_TO_RAD))); vertices.push_back(glm::vec3( radius * sin((theta_deg + theta_deg_step * 0.5) * DEG_TO_RAD) * cos((phi_deg + phi_deg_step * 0.5) * DEG_TO_RAD), radius * sin((theta_deg + theta_deg_step * 0.5) * DEG_TO_RAD) * sin((phi_deg + phi_deg_step * 0.5) * DEG_TO_RAD), radius * cos((theta_deg + theta_deg_step * 0.5) * DEG_TO_RAD))); vertices.push_back(glm::vec3( radius * sin((theta_deg + theta_deg_step * 0.5) * DEG_TO_RAD) * cos((phi_deg - phi_deg_step * 0.5) * DEG_TO_RAD), radius * sin((theta_deg + theta_deg_step * 0.5) * DEG_TO_RAD) * sin((phi_deg - phi_deg_step * 0.5) * DEG_TO_RAD), radius * cos((theta_deg + theta_deg_step * 0.5) * DEG_TO_RAD))); this->face.addVertices(vertices); this->face.addIndex(index + 0); this->face.addIndex(index + 1); this->face.addIndex(index + 3); this->face.addIndex(index + 0); this->face.addIndex(index + 3); this->face.addIndex(index + 2); if (noise_threshold_start > noise_value_1 || noise_value_1 > noise_threshold_end) { this->line.addVertex(vertices[0]); this->line.addVertex(vertices[1]); this->line.addIndex(this->line.getNumVertices() - 1); this->line.addIndex(this->line.getNumVertices() - 2); this->line.addColor(line_color); this->line.addColor(line_color); } if (noise_threshold_start > noise_value_2 || noise_value_2 > noise_threshold_end) { this->line.addVertex(vertices[0]); this->line.addVertex(vertices[2]); this->line.addIndex(this->line.getNumVertices() - 1); this->line.addIndex(this->line.getNumVertices() - 2); this->line.addColor(line_color); this->line.addColor(line_color); } if (noise_threshold_start > noise_value_3 || noise_value_3 > noise_threshold_end) { this->line.addVertex(vertices[1]); this->line.addVertex(vertices[3]); this->line.addIndex(this->line.getNumVertices() - 1); this->line.addIndex(this->line.getNumVertices() - 2); this->line.addColor(line_color); this->line.addColor(line_color); } if (noise_threshold_start > noise_value_4 || noise_value_4 > noise_threshold_end) { this->line.addVertex(vertices[2]); this->line.addVertex(vertices[3]); this->line.addIndex(this->line.getNumVertices() - 1); this->line.addIndex(this->line.getNumVertices() - 2); this->line.addColor(line_color); this->line.addColor(line_color); } for (int i = 0; i < vertices.size(); i++) { this->face.addColor(face_color); } } } } } //-------------------------------------------------------------- void ofApp::draw() { this->cam.begin(); ofRotateX(270); this->face.draw(); this->line.draw(); this->cam.end(); /* // ffmpeg -i img_%04d.jpg aaa.mp4 int start = 2; if (ofGetFrameNum() > start) { std::ostringstream os; os << std::setw(4) << std::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()); } |
[ Link ]
https://github.com/junkiyoshi/DoodleDeProgramming/tree/9b87932ab2f54ee4d095fade90160f926a2bf3e4