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パラメータの可視化。
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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) {}; ofMesh mesh; ofIcoSpherePrimitive ico_sphere; float noise_param; }; |
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#include "ofApp.h" //-------------------------------------------------------------- void ofApp::setup() { ofSetFrameRate(25); ofSetWindowTitle("openFrameworks"); ofBackground(239); ofSetColor(39); ofEnableDepthTest(); this->ico_sphere = ofIcoSpherePrimitive(100, 2); this->noise_param = ofRandom(1000); } //-------------------------------------------------------------- void ofApp::update() { if (ofGetFrameNum() % 50 < 20) { this->noise_param += ofMap(ofGetFrameNum() % 50, 0, 20, 0.2, 0); } } //-------------------------------------------------------------- void ofApp::draw() { ofPushMatrix(); ofTranslate(ofGetWindowWidth() * 0.5, ofGetWindowHeight() * 0.25); ofSetColor(39); ofSetLineWidth(3); ofNoFill(); auto tmp_noise_param = this->noise_param; ofBeginShape(); for (int x = 0; x <= 330; x += 1) { if (x > 0 && (ofGetFrameNum() + x) % 50 < 20) { tmp_noise_param += ofMap((ofGetFrameNum() + x) % 50, 0, 20, 0.2, 0); } auto y = ofMap(ofNoise(tmp_noise_param), 0, 1, -100, 100); ofVertex(x, y); } ofEndShape(); ofDrawLine(glm::vec2(0, -100), glm::vec2(0, 100)); ofDrawLine(glm::vec2(330, -100), glm::vec2(330, 100)); auto y = ofMap(ofNoise(this->noise_param), 0, 1, -100, 100); ofFill(); ofDrawCircle(0, y, 8); ofTranslate(-180, 0); ofSetColor(39); ofSetLineWidth(1.5); ofRotateX(ofGetFrameNum() * 0.77); ofRotateY(ofGetFrameNum() * 0.39); auto triangle_list = this->ico_sphere.getMesh().getUniqueFaces(); for (auto& triangle : triangle_list) { glm::vec3 avg = (triangle.getVertex(0) + triangle.getVertex(1) + triangle.getVertex(2)) / 3; auto noise_value = ofNoise(glm::vec4(avg * 0.015, this->noise_param)); auto noise_radius = 0; if (noise_value < 0.65) { noise_radius = 80; } else { noise_radius = ofMap(noise_value, 0.65, 1.0, 80, 160); } ofMesh mesh; mesh.addVertex(glm::normalize(triangle.getVertex(0)) * noise_radius); mesh.addVertex(glm::normalize(triangle.getVertex(1)) * noise_radius); mesh.addVertex(glm::normalize(triangle.getVertex(2)) * noise_radius); avg = (mesh.getVertex(0) + mesh.getVertex(1) + mesh.getVertex(2)) / 3; ofSetColor(239); mesh.draw(); ofSetColor(39); mesh.drawWireframe(); ofDrawLine(glm::vec3(), avg); } ofPopMatrix(); ofPushMatrix(); ofTranslate(ofGetWindowWidth() * 0.5, ofGetWindowHeight() * 0.75); ofSetColor(39); ofSetLineWidth(3); ofNoFill(); tmp_noise_param = this->noise_param; ofBeginShape(); for (int x = 0; x <= 330; x += 1) { if (x > 0 && (ofGetFrameNum() + x) % 50 < 20) { tmp_noise_param += ofMap((ofGetFrameNum() + x) % 50, 0, 20, 0.2, 0); } y = ofMap(ofNoise(tmp_noise_param), 0, 1, -100, 100); ofVertex(x, y); } ofEndShape(); ofDrawLine(glm::vec2(0, -100), glm::vec2(0, 100)); ofDrawLine(glm::vec2(330, -100), glm::vec2(330, 100)); y = ofMap(ofNoise(this->noise_param), 0, 1, -100, 100); ofFill(); ofDrawCircle(0, y, 8); ofTranslate(-180, 0); ofSetColor(39); ofSetLineWidth(1.5); ofRotateX(ofGetFrameNum() * 0.77); ofRotateY(ofGetFrameNum() * 0.39); this->mesh.clear(); float span = 1; ofColor color; float len = 150; float angle; glm::highp_mat4 rotation; for (float i = 0; i <= 6; i++) { for (float x = len * -0.5; x < len * 0.5; x += span) { for (float y = len * -0.5; y < len * 0.5; y += span) { if (i <= 4) { angle = PI * 0.5 * i; rotation = glm::rotate(glm::mat4(), angle, glm::vec3(0, 1, 0)); } if (i == 5) { angle = PI * 0.5; rotation = glm::rotate(glm::mat4(), angle, glm::vec3(1, 0, 0)); } if (i == 6) { angle = PI * 0.5 * 3; rotation = glm::rotate(glm::mat4(), angle, glm::vec3(1, 0, 0)); } glm::vec3 noise_location = glm::vec4(x, y, len * 0.5, 0) * rotation; int noise_value = ofMap(ofNoise(noise_location.x * 0.005, noise_location.y * 0.005, noise_location.z * 0.005, this->noise_param), 0, 1, 0, 26); if (noise_value % 2 == 0) { continue; } ofColor color(239); vector<glm::vec3> vertices; vertices.push_back(glm::vec4(x, y, len * 0.5, 0) * rotation); vertices.push_back(glm::vec4(x + span, y, len * 0.5, 0) * rotation); vertices.push_back(glm::vec4(x + span, y + span, len * 0.5, 0) * rotation); vertices.push_back(glm::vec4(x, y + span, len * 0.5, 0) * rotation); this->mesh.addVertices(vertices); this->mesh.addColor(color); this->mesh.addColor(color); this->mesh.addColor(color); this->mesh.addColor(color); this->mesh.addIndex(this->mesh.getNumVertices() - 1); this->mesh.addIndex(this->mesh.getNumVertices() - 4); this->mesh.addIndex(this->mesh.getNumVertices() - 3); this->mesh.addIndex(this->mesh.getNumVertices() - 1); this->mesh.addIndex(this->mesh.getNumVertices() - 2); this->mesh.addIndex(this->mesh.getNumVertices() - 3); } } } this->mesh.draw(); ofFill(); ofSetColor(39); ofDrawBox(149); ofPopMatrix(); /* int start = 1; 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()); } |