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六角形面。
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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 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) {}; void setHexagonToMesh(ofMesh& face_target, ofMesh& frame_target, glm::vec3 location, float radius); vector<glm::vec3> location_list; ofEasyCam cam; ofMesh face, frame; }; |
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#include "ofApp.h" //-------------------------------------------------------------- void ofApp::setup() { ofSetFrameRate(25); ofSetWindowTitle("openFrameworks"); ofBackground(39); ofSetLineWidth(2); ofEnableDepthTest(); auto radius = 12; auto x_span = radius * sqrt(3); auto flg = true; for (float y = -360 * 1.5; y < 360 * 1.5; y += radius * 1.5) { for (float x = -360 * 1.5; x < 360 * 1.5; x += x_span) { glm::vec3 location; if (flg) { location = glm::vec3(x, y, 0); } else { location = glm::vec3(x + (x_span / 2), y, 0); } this->location_list.push_back(location); } flg = !flg; } this->frame.setMode(ofPrimitiveMode::OF_PRIMITIVE_LINES); } //-------------------------------------------------------------- void ofApp::update() { this->face.clear(); this->frame.clear(); for (int i = 0; i < this->location_list.size(); i++) { this->setHexagonToMesh(this->face, this->frame, this->location_list[i], 12); } } //-------------------------------------------------------------- void ofApp::draw() { this->cam.begin(); this->face.draw(); this->frame.draw(); this->cam.end(); /* int start = 300; 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); } } */ } //-------------------------------------------------------------- void ofApp::setHexagonToMesh(ofMesh& face_target, ofMesh& frame_target, glm::vec3 location, float radius) { auto noise_value = ofNoise(glm::vec3(location.x * 0.002, location.y * 0.002, ofGetFrameNum() * 0.006)); auto height = 0; auto max_height = 600; if (noise_value > 0.32 && noise_value <= 0.38) { height = ofMap(noise_value, 0.32, 0.38, 0, max_height); } if (noise_value > 0.38 && noise_value < 0.52) { height = max_height; } if (noise_value > 0.52 && noise_value <= 0.58) { height = ofMap(noise_value, 0.52, 0.58, max_height, 0); } for (int deg = 90; deg < 450; deg += 60) { auto face_radius = radius - 0.5; auto face_index = face_target.getNumVertices(); auto frame_index = frame_target.getNumVertices(); vector<glm::vec3> vertices; vertices.push_back(glm::vec3(0, 0, 0)); vertices.push_back(glm::vec3(face_radius * cos(deg * DEG_TO_RAD), face_radius * sin(deg * DEG_TO_RAD), 0)); vertices.push_back(glm::vec3(face_radius * cos((deg + 60) * DEG_TO_RAD), face_radius * sin((deg + 60) * DEG_TO_RAD), 0)); vertices.push_back(glm::vec3(0, 0, height)); vertices.push_back(glm::vec3(face_radius * cos((deg + 60) * DEG_TO_RAD), face_radius * sin((deg + 60) * DEG_TO_RAD), height)); vertices.push_back(glm::vec3(face_radius * cos(deg * DEG_TO_RAD), face_radius * sin(deg * DEG_TO_RAD), height)); for (auto& vertex : vertices) { vertex += location; } face_target.addVertices(vertices); face_target.addIndex(face_index + 0); face_target.addIndex(face_index + 1); face_target.addIndex(face_index + 2); face_target.addIndex(face_index + 3); face_target.addIndex(face_index + 4); face_target.addIndex(face_index + 5); face_target.addIndex(face_index + 1); face_target.addIndex(face_index + 2); face_target.addIndex(face_index + 4); face_target.addIndex(face_index + 1); face_target.addIndex(face_index + 4); face_target.addIndex(face_index + 5); frame_target.addVertices(vertices); frame_target.addIndex(frame_index + 1); frame_target.addIndex(frame_index + 2); frame_target.addIndex(frame_index + 4); frame_target.addIndex(frame_index + 5); frame_target.addIndex(frame_index + 1); frame_target.addIndex(frame_index + 5); frame_target.addIndex(frame_index + 2); frame_target.addIndex(frame_index + 4); face_target.addColor(ofColor(239)); face_target.addColor(ofColor(239)); face_target.addColor(ofColor(239)); face_target.addColor(ofColor(ofMap(height, 0, max_height, 239, 39))); face_target.addColor(ofColor(ofMap(height, 0, max_height, 239, 39))); face_target.addColor(ofColor(ofMap(height, 0, max_height, 239, 39))); frame_target.addColor(ofColor(39)); frame_target.addColor(ofColor(39)); frame_target.addColor(ofColor(39)); frame_target.addColor(ofColor(ofMap(height, 0, max_height, 39, 239))); frame_target.addColor(ofColor(ofMap(height, 0, max_height, 39, 239))); frame_target.addColor(ofColor(ofMap(height, 0, max_height, 39, 239))); } } //-------------------------------------------------------------- int main() { ofSetupOpenGL(720, 720, OF_WINDOW); ofRunApp(new ofApp()); } |