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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; ofMesh face, line; }; |
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#include "ofApp.h" //-------------------------------------------------------------- void ofApp::setup() { ofSetFrameRate(25); ofSetWindowTitle("openFrameworks"); ofBackground(39); ofSetColor(39); ofSetLineWidth(2); ofEnableDepthTest(); this->line.setMode(ofPrimitiveMode::OF_PRIMITIVE_LINES); } //-------------------------------------------------------------- void ofApp::update() { ofSeedRandom(39); this->face.clear(); this->line.clear(); int size = 30; int z = 300; for (int i = 0; i < 4; i++) { for (int len = 300; len > 100; len -= 25) { z = ofMap(len, 0, 300, 0, 300); size = ofMap(len, 0, 300, len / 5, len / 10); for (int x = -len + size * 0.5; x <= len - size * 0.5; x += size) { vector<glm::vec3> vertices; vertices.push_back(glm::vec3(x - size * 0.5, 0, z)); vertices.push_back(glm::vec3(x - size * 0.5, 0, z)); vertices.push_back(glm::vec3(x + size * 0.5, 0, z)); vertices.push_back(glm::vec3(x + size * 0.5, 0, z)); glm::highp_mat4 rotation; rotation = glm::rotate(glm::mat4(), ofMap(i, 0, 4, 0, 360) * (float)DEG_TO_RAD, glm::vec3(0, 1, 0)); for (auto& vertex : vertices) { vertex = glm::vec4(vertex, 0) * rotation; } int height = ofMap(ofNoise(glm::vec4(vertices[0] * 0.01, ofGetFrameNum() * 0.05)), 0, 1, 0, 100 + 1000); vertices[1].y = height; vertices[2].y = height; this->face.addVertices(vertices); this->line.addVertices(vertices); this->face.addIndex(this->face.getNumVertices() - 1); this->face.addIndex(this->face.getNumVertices() - 2); 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() - 4); this->line.addIndex(this->line.getNumVertices() - 1); this->line.addIndex(this->line.getNumVertices() - 2); this->line.addIndex(this->line.getNumVertices() - 2); this->line.addIndex(this->line.getNumVertices() - 3); this->line.addIndex(this->line.getNumVertices() - 3); this->line.addIndex(this->line.getNumVertices() - 4); this->line.addIndex(this->line.getNumVertices() - 4); this->line.addIndex(this->line.getNumVertices() - 1); for (int i = 0; i < vertices.size(); i++) { this->face.addColor(ofColor(64, 164, 255, 64)); this->line.addColor(ofColor(64, 164, 255)); } } } } } //-------------------------------------------------------------- void ofApp::draw() { this->cam.begin(); ofRotateX(90); this->face.draw(); this->line.drawWireframe(); this->cam.end(); /* int start = 150; 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); } } */ } //-------------------------------------------------------------- int main() { ofSetupOpenGL(720, 720, OF_WINDOW); ofRunApp(new ofApp()); } |