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塗りつぶし箱・線だけ箱・見えない箱。
Fill box, line box, invisible box.
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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) {}; void setBoxToMesh(ofMesh& face_target, ofMesh& frame_target, glm::vec3 location, float size); void setBoxToMesh(ofMesh& face_target, ofMesh& frame_target, glm::vec3 location, float height, float width, float depth); ofEasyCam cam; ofMesh face, frame; }; |
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#include "ofApp.h" //-------------------------------------------------------------- void ofApp::setup() { ofSetFrameRate(60); ofSetWindowTitle("openFrameworks"); ofBackground(239); ofEnableDepthTest(); this->frame.setMode(ofPrimitiveMode::OF_PRIMITIVE_LINES); } //-------------------------------------------------------------- void ofApp::update() { ofSeedRandom(39); this->face.clear(); this->frame.clear(); auto len = 20; for (auto x = -150; x <= 150; x += len) { for (auto y = -150; y <= 150; y += len) { for (auto z = -150; z <= 150; z += len) { this->setBoxToMesh(this->face, this->frame, glm::vec3(x, y, z), len * 0.8); } } } } //-------------------------------------------------------------- void ofApp::draw() { this->cam.begin(); ofRotateY(ofGetFrameNum() * 0.5); this->face.draw(); this->frame.drawWireframe(); this->cam.end(); } //-------------------------------------------------------------- void ofApp::setBoxToMesh(ofMesh& face_target, ofMesh& frame_target, glm::vec3 location, float size) { this->setBoxToMesh(face_target, frame_target, location, size, size, size); } //-------------------------------------------------------------- void ofApp::setBoxToMesh(ofMesh& face_target, ofMesh& frame_target, glm::vec3 location, float height, float width, float depth) { int face_index = face_target.getNumVertices(); int frame_index = frame_target.getNumVertices(); auto noise_value = ofNoise(glm::vec4(location * 0.008, ofGetFrameNum() * 0.005)); auto fill = false; if (noise_value > 0.75) { fill = true; face_target.addVertex(location + glm::vec3(width * -0.5 * 0.99, height * 0.5 * 0.99, depth * -0.5 * 0.99)); face_target.addVertex(location + glm::vec3(width * 0.5 * 0.99, height * 0.5 * 0.99, depth * -0.5 * 0.99)); face_target.addVertex(location + glm::vec3(width * 0.5 * 0.99, height * 0.5 * 0.99, depth * 0.5 * 0.99)); face_target.addVertex(location + glm::vec3(width * -0.5 * 0.99, height * 0.5 * 0.99, depth * 0.5 * 0.99)); face_target.addVertex(location + glm::vec3(width * -0.5 * 0.99, height * -0.5 * 0.99, depth * -0.5 * 0.99)); face_target.addVertex(location + glm::vec3(width * 0.5 * 0.99, height * -0.5 * 0.99, depth * -0.5 * 0.99)); face_target.addVertex(location + glm::vec3(width * 0.5 * 0.99, height * -0.5 * 0.99, depth * 0.5 * 0.99)); face_target.addVertex(location + glm::vec3(width * -0.5 * 0.99, height * -0.5 * 0.99, depth * 0.5 * 0.99)); face_target.addIndex(face_index + 0); face_target.addIndex(face_index + 1); face_target.addIndex(face_index + 2); face_target.addIndex(face_index + 0); 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 + 6); face_target.addIndex(face_index + 4); face_target.addIndex(face_index + 6); face_target.addIndex(face_index + 7); face_target.addIndex(face_index + 0); face_target.addIndex(face_index + 4); face_target.addIndex(face_index + 1); face_target.addIndex(face_index + 4); face_target.addIndex(face_index + 5); face_target.addIndex(face_index + 1); face_target.addIndex(face_index + 1); face_target.addIndex(face_index + 5); face_target.addIndex(face_index + 6); face_target.addIndex(face_index + 6); face_target.addIndex(face_index + 2); face_target.addIndex(face_index + 1); face_target.addIndex(face_index + 2); face_target.addIndex(face_index + 6); face_target.addIndex(face_index + 7); face_target.addIndex(face_index + 7); face_target.addIndex(face_index + 3); face_target.addIndex(face_index + 2); face_target.addIndex(face_index + 3); face_target.addIndex(face_index + 7); face_target.addIndex(face_index + 4); face_target.addIndex(face_index + 4); face_target.addIndex(face_index + 0); face_target.addIndex(face_index + 3); for (int i = 0; i < 8; i++) { face_target.addColor(ofColor(39)); } } if (noise_value > 0.65) { frame_target.addVertex(location + glm::vec3(width * -0.5, height * 0.5, depth * -0.5)); frame_target.addVertex(location + glm::vec3(width * 0.5, height * 0.5, depth * -0.5)); frame_target.addVertex(location + glm::vec3(width * 0.5, height * 0.5, depth * 0.5)); frame_target.addVertex(location + glm::vec3(width * -0.5, height * 0.5, depth * 0.5)); frame_target.addVertex(location + glm::vec3(width * -0.5, height * -0.5, depth * -0.5)); frame_target.addVertex(location + glm::vec3(width * 0.5, height * -0.5, depth * -0.5)); frame_target.addVertex(location + glm::vec3(width * 0.5, height * -0.5, depth * 0.5)); frame_target.addVertex(location + glm::vec3(width * -0.5, height * -0.5, depth * 0.5)); frame_target.addIndex(frame_index + 0); frame_target.addIndex(frame_index + 1); frame_target.addIndex(frame_index + 1); frame_target.addIndex(frame_index + 2); frame_target.addIndex(frame_index + 2); frame_target.addIndex(frame_index + 3); frame_target.addIndex(frame_index + 3); frame_target.addIndex(frame_index + 0); frame_target.addIndex(frame_index + 4); frame_target.addIndex(frame_index + 5); frame_target.addIndex(frame_index + 5); frame_target.addIndex(frame_index + 6); frame_target.addIndex(frame_index + 6); frame_target.addIndex(frame_index + 7); frame_target.addIndex(frame_index + 7); frame_target.addIndex(frame_index + 4); frame_target.addIndex(frame_index + 0); frame_target.addIndex(frame_index + 4); frame_target.addIndex(frame_index + 1); frame_target.addIndex(frame_index + 5); frame_target.addIndex(frame_index + 2); frame_target.addIndex(frame_index + 6); frame_target.addIndex(frame_index + 3); frame_target.addIndex(frame_index + 7); for (int i = 0; i < 8; i++) { frame_target.addColor(fill ? ofColor(239) : ofColor(39)); } } } //-------------------------------------------------------------- int main() { ofSetupOpenGL(720, 720, OF_WINDOW); ofRunApp(new ofApp()); } |