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山々。
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#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 mouseEntered(int x, int y) {}; void mouseExited(int x, int y) {}; void windowResized(int w, int h) {}; void dragEvent(ofDragInfo dragInfo) {}; void gotMessage(ofMessage msg) {}; ofEasyCam cam; ofMesh face, frame; }; |
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#include "ofApp.h" //-------------------------------------------------------------- void ofApp::setup() { ofSetFrameRate(25); ofSetWindowTitle("openFrameworks"); ofBackground(239); ofSetLineWidth(2); ofEnableDepthTest(); this->frame.setMode(ofPrimitiveMode::OF_PRIMITIVE_LINES); } //-------------------------------------------------------------- void ofApp::update() { this->face.clear(); this->frame.clear(); for (auto y = -300; y < 300; y += 30) { for (auto x = -600; x <= 600; x += 1) { vector<glm::vec3> vertices; vertices.push_back(glm::vec3(x, y, 0)); vertices.push_back(glm::vec3(x + 1, y, 0)); vertices.push_back(glm::vec3(x + 1, y, 100)); vertices.push_back(glm::vec3(x, y, 100)); for (auto& vertex : vertices) { if (vertex.z == 100) { auto noise_value = ofNoise(y * 0.05, vertex.x * 0.0025, vertex.y * 0.0025, ofGetFrameNum() * 0.005); if (noise_value > 0.5) { vertex.z = ofMap(noise_value, 0.5, 1, 0, 1000); vertex.z *= ofMap(y, -300, 300, 0, 1); vertex.z *= ofMap(abs(x), 0, 600, 1, 0); vertex.z = (int)vertex.z / 25 * 25; } else { vertex.z = 0; } } } this->face.addVertices(vertices); this->frame.addVertices(vertices); this->face.addIndex(this->face.getNumVertices() - 1); this->face.addIndex(this->face.getNumVertices() - 4); this->face.addIndex(this->face.getNumVertices() - 3); this->face.addIndex(this->face.getNumVertices() - 1); this->face.addIndex(this->face.getNumVertices() - 3); this->face.addIndex(this->face.getNumVertices() - 2); this->frame.addIndex(this->frame.getNumVertices() - 1); this->frame.addIndex(this->frame.getNumVertices() - 2); this->frame.addIndex(this->frame.getNumVertices() - 3); this->frame.addIndex(this->frame.getNumVertices() - 4); ofColor face_color = ofColor(y < -100 ? 0 : ofMap(y, -100, 300, 0, 239)); ofColor frame_color = ofColor(239); this->face.addColor(face_color); this->face.addColor(face_color); this->face.addColor(face_color); this->face.addColor(face_color); this->frame.addColor(frame_color); this->frame.addColor(frame_color); this->frame.addColor(frame_color); this->frame.addColor(frame_color); } } } //-------------------------------------------------------------- void ofApp::draw() { this->cam.begin(); ofRotateX(270); this->face.draw(); this->frame.drawWireframe(); this->cam.end(); /* // ffmpeg -i img_%04d.jpg aaa.mp4 int start = 350; if (ofGetFrameNum() > start) { std::ostringstream os; os << std::setw(4) << std::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()); } |
[ Link ]
https://github.com/junkiyoshi/DoodleDeProgramming/tree/386c881fc11ba1fa4e270a8e92cb9f6542c07ea5