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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) {}; ofIcoSpherePrimitive ico_sphere; float noise_param; }; |
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#include "ofApp.h" //-------------------------------------------------------------- void ofApp::setup() { ofSetFrameRate(60); ofSetWindowTitle("openFrameworks"); ofBackground(239); ofSetColor(39); ofEnableDepthTest(); this->ico_sphere = ofIcoSpherePrimitive(100, 2); this->noise_param = ofRandom(1000); } //-------------------------------------------------------------- void ofApp::update() { if (ofGetFrameNum() % 60 < 20) { this->noise_param += ofMap(ofGetFrameNum() % 60, 0, 20, 0.2, 0); } } //-------------------------------------------------------------- void ofApp::draw() { ofTranslate(ofGetWindowSize() * 0.5); 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) % 60 < 20) { tmp_noise_param += ofMap((ofGetFrameNum() + x) % 60, 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); } } //-------------------------------------------------------------- int main() { ofSetupOpenGL(720, 720, OF_WINDOW); ofRunApp(new ofApp()); } |