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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(60); ofSetWindowTitle("openframeworks"); ofBackground(239); ofSetColor(39); ofSetLineWidth(1.5); ofEnableDepthTest(); this->line.setMode(ofPrimitiveMode::OF_PRIMITIVE_LINES); } //-------------------------------------------------------------- void ofApp::update() { ofSeedRandom(39); this->face.clear(); this->line.clear(); int deg_span = 10; int radius_span = 1; int radius_max = 600; ofColor color; for (int deg = 0; deg < 360; deg += deg_span) { auto noise_seed = glm::vec3(ofRandom(1000), ofRandom(1000), ofRandom(1000)); color.setHsb(ofMap(deg, 0, 360, 0, 255), 180, 255); for (int radius = 60; radius < radius_max; radius += radius_span) { auto rotation_x = glm::rotate(glm::mat4(), ofMap(ofNoise(noise_seed.x, ofGetFrameNum() * 0.015 + radius * 0.005), 0, 1, -PI, PI), glm::vec3(1, 0, 0)); auto rotation_y = glm::rotate(glm::mat4(), ofMap(ofNoise(noise_seed.y, ofGetFrameNum() * 0.015 + radius * 0.005), 0, 1, -PI, PI), glm::vec3(0, 1, 0)); auto rotation_z = glm::rotate(glm::mat4(), ofMap(ofNoise(noise_seed.z, ofGetFrameNum() * 0.015 + radius * 0.005), 0, 1, -PI, PI), glm::vec3(0, 0, 1)); vector<glm::vec3> vertices; vertices.push_back(glm::vec3(radius * cos((deg - deg_span * 0.5 + 0.5) * DEG_TO_RAD), radius * sin((deg - deg_span * 0.5 + 0.5) * DEG_TO_RAD), 0)); vertices.push_back(glm::vec3(radius * cos((deg + deg_span * 0.5 - 0.5) * DEG_TO_RAD), radius * sin((deg + deg_span * 0.5 - 0.5) * DEG_TO_RAD), 0)); for (auto& vertex : vertices) { vertex = glm::vec4(vertex, 0) * rotation_z * rotation_y * rotation_x; } this->face.addVertices(vertices); this->line.addVertices(vertices); this->face.addColor(color); this->face.addColor(color); if (radius > 60) { this->face.addIndex(this->face.getNumVertices() - 1); this->face.addIndex(this->face.getNumVertices() - 2); this->face.addIndex(this->face.getNumVertices() - 4); this->face.addIndex(this->face.getNumVertices() - 1); this->face.addIndex(this->face.getNumVertices() - 4); this->face.addIndex(this->face.getNumVertices() - 3); this->line.addIndex(this->line.getNumVertices() - 1); this->line.addIndex(this->line.getNumVertices() - 3); this->line.addIndex(this->line.getNumVertices() - 2); this->line.addIndex(this->line.getNumVertices() - 4); } } this->line.addIndex(this->line.getNumVertices() - 1); this->line.addIndex(this->line.getNumVertices() - 2); } } //-------------------------------------------------------------- void ofApp::draw() { this->cam.begin(); ofRotateX(ofGetFrameNum() * 0.185); ofRotateY(ofGetFrameNum() * 0.36); this->face.draw(); this->line.drawWireframe(); this->cam.end(); } //-------------------------------------------------------------- int main() { ofSetupOpenGL(720, 720, OF_WINDOW); ofRunApp(new ofApp()); } |