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アメーバ・リング。
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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; float noise_param; }; |
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#include "ofApp.h" //-------------------------------------------------------------- void ofApp::setup() { ofSetFrameRate(25); ofSetWindowTitle("openFrameworks"); ofBackground(39); ofEnableDepthTest(); ofSetLineWidth(3); this->line.setMode(ofPrimitiveMode::OF_PRIMITIVE_LINES); } //-------------------------------------------------------------- void ofApp::update() { if (ofGetFrameNum() % 50 < 15) { this->noise_param += ofMap(ofGetFrameNum() % 50, 0, 15, 0.25, 0); } this->face.clear(); this->line.clear(); float phi_deg_step = 0.1; float theta_deg_step = 0.1; float theta_start = 70; float theta_end = 110; float threshold_1 = 0.44; float threshold_2 = 0.56; float noise_spam = 0.75; for (float radius = 300; radius <= 300; radius += 100) { for (float phi_deg = 0; phi_deg < 360; phi_deg += phi_deg_step) { for (float theta_deg = theta_start; theta_deg <= theta_end; theta_deg += theta_deg_step) { auto noise_value = ofNoise( radius * 0.01 * cos(phi_deg * DEG_TO_RAD) * noise_spam, radius * 0.01 * sin(phi_deg * DEG_TO_RAD) * noise_spam, radius * 0.01 * cos(theta_deg * DEG_TO_RAD) * noise_spam, this->noise_param); if (noise_value < threshold_1 || noise_value > threshold_2) { continue; } auto noise_value_1 = ofNoise( radius * 0.01 * cos(phi_deg * DEG_TO_RAD) * noise_spam, radius * 0.01 * sin(phi_deg * DEG_TO_RAD) * noise_spam, radius * 0.01 * cos((theta_deg - theta_deg_step) * DEG_TO_RAD) * noise_spam, this->noise_param); auto noise_value_2 = ofNoise( radius * 0.01 * cos((phi_deg + phi_deg_step) * DEG_TO_RAD) * noise_spam, radius * 0.01 * sin((phi_deg + phi_deg_step) * DEG_TO_RAD) * noise_spam, radius * 0.01 * cos(theta_deg * DEG_TO_RAD) * noise_spam, this->noise_param); auto noise_value_3 = ofNoise( radius * 0.01 * cos((phi_deg - phi_deg_step) * DEG_TO_RAD) * noise_spam, radius * 0.01 * sin((phi_deg - phi_deg_step) * DEG_TO_RAD) * noise_spam, radius * 0.01 * cos(theta_deg * DEG_TO_RAD) * noise_spam, this->noise_param); auto noise_value_4 = ofNoise( radius * 0.01 * cos(phi_deg * DEG_TO_RAD) * noise_spam, radius * 0.01 * sin(phi_deg * DEG_TO_RAD) * noise_spam, radius * 0.01 * cos((theta_deg + theta_deg_step) * DEG_TO_RAD) * noise_spam, this->noise_param); 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_value_1 < threshold_1 || noise_value_1 > threshold_2) || theta_deg == theta_start) { this->line.addVertex(vertices[0]); this->line.addVertex(vertices[1]); this->line.addIndex(this->line.getNumVertices() - 1); this->line.addIndex(this->line.getNumVertices() - 2); } if (noise_value_2 < threshold_1 || noise_value_2 > threshold_2) { this->line.addVertex(vertices[0]); this->line.addVertex(vertices[2]); this->line.addIndex(this->line.getNumVertices() - 1); this->line.addIndex(this->line.getNumVertices() - 2); } if (noise_value_3 < threshold_1 || noise_value_3 > threshold_2) { this->line.addVertex(vertices[1]); this->line.addVertex(vertices[3]); this->line.addIndex(this->line.getNumVertices() - 1); this->line.addIndex(this->line.getNumVertices() - 2); } if ((noise_value_4 < threshold_1 || noise_value_4 > threshold_2) || theta_deg >= theta_end - theta_deg_step) { this->line.addVertex(vertices[2]); this->line.addVertex(vertices[3]); this->line.addIndex(this->line.getNumVertices() - 1); this->line.addIndex(this->line.getNumVertices() - 2); } } } } } //-------------------------------------------------------------- void ofApp::draw() { this->cam.begin(); ofRotateX(270); ofRotateZ(ofGetFrameNum() * 1.44); ofSetColor(239); this->face.draw(); ofSetColor(39); 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()); } |