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波波線。
Wave lines.
[ Source ]
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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; }; |
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#include "ofApp.h" //-------------------------------------------------------------- void ofApp::setup() { ofSetFrameRate(60); ofSetWindowTitle("openframeworks"); ofBackground(239); ofSetLineWidth(3); ofEnableDepthTest(); } //-------------------------------------------------------------- void ofApp::update() { ofSeedRandom(39); } //-------------------------------------------------------------- void ofApp::draw() { this->cam.begin(); ofRotateY(ofGetFrameNum() * 0.5); ofMesh face_mesh, frame_mesh; frame_mesh.setMode(ofPrimitiveMode::OF_PRIMITIVE_LINES); for (auto radius = 50; radius < 300; radius += 20) { ofPushMatrix(); ofRotateZ(ofRandom(360)); ofRotateY(ofRandom(360)); ofRotateX(ofRandom(360)); for (auto deg = 0; deg < 360; deg++) { auto index = face_mesh.getVertices().size(); vector<glm::vec3> vertices; auto z = radius * 0.05 * sin((deg + ofGetFrameNum() * 0.5) * 15 * DEG_TO_RAD); vertices.push_back(glm::vec3(radius * cos(deg * DEG_TO_RAD), radius * sin(deg * DEG_TO_RAD), z - 10)); vertices.push_back(glm::vec3(radius * cos(deg * DEG_TO_RAD), radius * sin(deg * DEG_TO_RAD), z + 10)); z = radius * 0.05 * sin((deg + ofGetFrameNum() * 0.5 + 1) * 15 * DEG_TO_RAD); vertices.push_back(glm::vec3(radius * cos((deg + 1) * DEG_TO_RAD), radius * sin((deg + 1) * DEG_TO_RAD), z + 10)); vertices.push_back(glm::vec3(radius * cos((deg + 1) * DEG_TO_RAD), radius * sin((deg + 1) * DEG_TO_RAD), z - 10)); face_mesh.addVertices(vertices); face_mesh.addIndex(index + 0); face_mesh.addIndex(index + 1); face_mesh.addIndex(index + 2); face_mesh.addIndex(index + 0); face_mesh.addIndex(index + 2); face_mesh.addIndex(index + 3); frame_mesh.addVertices(vertices); frame_mesh.addIndex(index + 0); frame_mesh.addIndex(index + 3); frame_mesh.addIndex(index + 1); frame_mesh.addIndex(index + 2); } ofSetColor(239); face_mesh.drawFaces(); ofSetColor(39); frame_mesh.drawWireframe(); face_mesh.clear(); frame_mesh.clear(); ofPopMatrix(); } this->cam.end(); } //-------------------------------------------------------------- int main() { ofSetupOpenGL(720, 720, OF_WINDOW); ofRunApp(new ofApp()); } |