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鍾乳洞。
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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 setBoxToMesh(ofMesh& face_target, ofMesh& frame_target, glm::vec3 location, float size, ofColor face_color, ofColor frame_color); void setBoxToMesh(ofMesh& face_target, ofMesh& frame_target, glm::vec3 location, float height, float width, float depth, ofColor face_color, ofColor frame_color); ofEasyCam cam; ofMesh face, frame; float noise_step; }; |
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#include "ofApp.h" //-------------------------------------------------------------- void ofApp::setup() { ofSetFrameRate(25); ofSetWindowTitle("openFrameworks"); ofBackground(39); ofEnableDepthTest(); this->frame.setMode(ofPrimitiveMode::OF_PRIMITIVE_LINES); this->noise_step = ofRandom(1000); } //-------------------------------------------------------------- void ofApp::update() { this->noise_step += 0.025; this->face.clear(); this->frame.clear(); auto size = 50; for (int x = -1000; x <= 1000; x += size) { for (int y = -2000; y <= 2000; y += size) { auto noise_value = ofNoise(x * 0.001, y * 0.0005 + this->noise_step); noise_value = noise_value < 0.5 ? 0 : 1; auto height = ofMap(noise_value, 0, 1, 100, 2000); for (int z = height * -0.5; z <= height * 0.5; z += size) { noise_value = ofNoise(x * 0.001, y * 0.0005 + this->noise_step, z * 0.001); if (noise_value > 0.47 && noise_value < 0.53) { this->setBoxToMesh(this->face, this->frame, glm::vec3(x, y, z), size, ofColor(0) , ofColor(239)); } } } } } //-------------------------------------------------------------- void ofApp::draw() { this->cam.begin(); ofRotateY(ofGetFrameNum() * 0.72); this->face.draw(); this->frame.draw(); this->cam.end(); /* int start = 500; 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::setBoxToMesh(ofMesh& face_target, ofMesh& frame_target, glm::vec3 location, float size, ofColor face_color, ofColor frame_color) { this->setBoxToMesh(face_target, frame_target, location, size, size, size, face_color, frame_color); } //-------------------------------------------------------------- void ofApp::setBoxToMesh(ofMesh& face_target, ofMesh& frame_target, glm::vec3 location, float height, float width, float depth, ofColor face_color, ofColor frame_color) { int index = face_target.getVertices().size(); 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(index + 0); face_target.addIndex(index + 1); face_target.addIndex(index + 2); face_target.addIndex(index + 0); face_target.addIndex(index + 2); face_target.addIndex(index + 3); face_target.addIndex(index + 4); face_target.addIndex(index + 5); face_target.addIndex(index + 6); face_target.addIndex(index + 4); face_target.addIndex(index + 6); face_target.addIndex(index + 7); face_target.addIndex(index + 0); face_target.addIndex(index + 4); face_target.addIndex(index + 1); face_target.addIndex(index + 4); face_target.addIndex(index + 5); face_target.addIndex(index + 1); face_target.addIndex(index + 1); face_target.addIndex(index + 5); face_target.addIndex(index + 6); face_target.addIndex(index + 6); face_target.addIndex(index + 2); face_target.addIndex(index + 1); face_target.addIndex(index + 2); face_target.addIndex(index + 6); face_target.addIndex(index + 7); face_target.addIndex(index + 7); face_target.addIndex(index + 3); face_target.addIndex(index + 2); face_target.addIndex(index + 3); face_target.addIndex(index + 7); face_target.addIndex(index + 4); face_target.addIndex(index + 4); face_target.addIndex(index + 0); face_target.addIndex(index + 3); 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(index + 0); frame_target.addIndex(index + 1); frame_target.addIndex(index + 1); frame_target.addIndex(index + 2); frame_target.addIndex(index + 2); frame_target.addIndex(index + 3); frame_target.addIndex(index + 3); frame_target.addIndex(index + 0); frame_target.addIndex(index + 4); frame_target.addIndex(index + 5); frame_target.addIndex(index + 5); frame_target.addIndex(index + 6); frame_target.addIndex(index + 6); frame_target.addIndex(index + 7); frame_target.addIndex(index + 7); frame_target.addIndex(index + 4); frame_target.addIndex(index + 0); frame_target.addIndex(index + 4); frame_target.addIndex(index + 1); frame_target.addIndex(index + 5); frame_target.addIndex(index + 2); frame_target.addIndex(index + 6); frame_target.addIndex(index + 3); frame_target.addIndex(index + 7); for (int i = 0; i < 8; i++) { face_target.addColor(face_color); frame_target.addColor(frame_color); } } //-------------------------------------------------------------- int main() { ofSetupOpenGL(720, 720, OF_WINDOW); ofRunApp(new ofApp()); } |