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ライングループ。
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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 line; }; |
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#include "ofApp.h" //-------------------------------------------------------------- void ofApp::setup() { ofSetFrameRate(25); ofSetWindowTitle("openFrameworks"); ofBackground(239); ofSetLineWidth(1.5); ofEnableDepthTest(); this->line.setMode(ofPrimitiveMode::OF_PRIMITIVE_LINES); } //-------------------------------------------------------------- void ofApp::update() { ofSeedRandom(39); this->line.clear(); auto log = 35; for (int k = 0; k < 2; k++) { auto noise_seed = glm::vec3(ofRandom(1000), ofRandom(1000), ofRandom(1000)); auto base_noise_seed = glm::vec3(ofRandom(1000), ofRandom(1000), ofRandom(1000)); auto base_radius_seed = ofRandom(1000); for (int deg = 0; deg < 360; deg += 45) { for (int i = 0; i <= log; i++) { int line_index = this->line.getNumVertices(); auto base_radius = ofMap(ofNoise(base_radius_seed, (ofGetFrameNum() + i) * 0.01), 0, 1, 50, 450); auto len = ofMap(base_radius, 50, 450, 5, 40); auto rotation_x = glm::rotate(glm::mat4(), ofMap(ofNoise(noise_seed.x, (ofGetFrameNum() + i) * -0.0065), 0, 1, -PI * 3, PI * 3), glm::vec3(1, 0, 0)); auto rotation_y = glm::rotate(glm::mat4(), ofMap(ofNoise(noise_seed.y, (ofGetFrameNum() + i) * -0.0065), 0, 1, -PI * 3, PI * 3), glm::vec3(0, 1, 0)); auto rotation_z = glm::rotate(glm::mat4(), ofMap(ofNoise(noise_seed.z, (ofGetFrameNum() + i) * -0.0065), 0, 1, -PI * 3, PI * 3), glm::vec3(0, 0, 1)); auto base_rotation_x = glm::rotate(glm::mat4(), ofMap(ofNoise(base_noise_seed.x, (ofGetFrameNum() + i) * -0.0035), 0, 1, -PI * 2, PI * 2), glm::vec3(1, 0, 0)); auto base_rotation_y = glm::rotate(glm::mat4(), ofMap(ofNoise(base_noise_seed.y, (ofGetFrameNum() + i) * -0.0035), 0, 1, -PI * 2, PI * 2), glm::vec3(0, 1, 0)); auto base_rotation_z = glm::rotate(glm::mat4(), ofMap(ofNoise(base_noise_seed.z, (ofGetFrameNum() + i) * -0.0035), 0, 1, -PI * 2, PI * 2), glm::vec3(0, 0, 1)); vector<glm::vec3> vertices; vertices.push_back(glm::vec3(len * -0.5, len * 0.5, len * -0.5)); vertices.push_back(glm::vec3(len * 0.5, len * 0.5, len * -0.5)); vertices.push_back(glm::vec3(len * 0.5, len * 0.5, len * 0.5)); vertices.push_back(glm::vec3(len * -0.5, len * 0.5, len * 0.5)); vertices.push_back(glm::vec3(len * -0.5, len * -0.5, len * -0.5)); vertices.push_back(glm::vec3(len * 0.5, len * -0.5, len * -0.5)); vertices.push_back(glm::vec3(len * 0.5, len * -0.5, len * 0.5)); vertices.push_back(glm::vec3(len * -0.5, len * -0.5, len * 0.5)); auto base_location = glm::vec3(base_radius * cos(deg * DEG_TO_RAD), base_radius * sin(deg * DEG_TO_RAD), 0); for (auto& vertex : vertices) { vertex = glm::vec4(base_location, 0) * base_rotation_z * base_rotation_y * base_rotation_x + glm::vec4(vertex, 0) * rotation_z * rotation_y * rotation_x; } this->line.addVertices(vertices); ofColor color = ofColor(ofMap(i, 0, log, 239, 39)); for (int i = 0; i < vertices.size(); i++) { this->line.addColor(color); } if (line_index > 0 && i > 0) { this->line.addIndex(line_index - 8); this->line.addIndex(line_index + 0); this->line.addIndex(line_index - 7); this->line.addIndex(line_index + 1); this->line.addIndex(line_index - 6); this->line.addIndex(line_index + 2); this->line.addIndex(line_index - 5); this->line.addIndex(line_index + 3); this->line.addIndex(line_index - 4); this->line.addIndex(line_index + 4); this->line.addIndex(line_index - 3); this->line.addIndex(line_index + 5); this->line.addIndex(line_index - 2); this->line.addIndex(line_index + 6); this->line.addIndex(line_index - 1); this->line.addIndex(line_index + 7); } } } } } //-------------------------------------------------------------- void ofApp::draw() { this->cam.begin(); ofRotateY(ofGetFrameNum() * 1.44); this->line.draw(); 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()); } |