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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) {}; ofEasyCam cam; }; |
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#include "ofApp.h" //-------------------------------------------------------------- void ofApp::setup() { ofSetFrameRate(60); ofSetWindowTitle("openframeworks"); ofBackground(239); ofEnableDepthTest(); } //-------------------------------------------------------------- void ofApp::update() { } //-------------------------------------------------------------- void ofApp::draw() { this->cam.begin(); auto radius = 250; auto len = 30; int deg_start = ofGetFrameNum() * 3; vector<glm::vec3> vertices_1, vertices_2; for (int y = -200; y <= 200; y += 50) { deg_start += 30; ofFill(); ofSetColor(139); for (int deg = deg_start; deg <= deg_start + 120; deg++) { vertices_1.push_back(glm::vec3(radius * cos(deg * DEG_TO_RAD), y + len * 0.5, radius * sin(deg * DEG_TO_RAD))); vertices_2.push_back(glm::vec3(radius * cos(deg * DEG_TO_RAD), y + len * -0.5, radius * sin(deg * DEG_TO_RAD))); if (deg > deg_start) { ofBeginShape(); ofVertex(glm::vec3(radius * cos(deg * DEG_TO_RAD), y + len * 0.5, radius * sin(deg * DEG_TO_RAD))); ofVertex(glm::vec3(radius * cos((deg - 1) * DEG_TO_RAD), y + len * 0.5, radius * sin((deg - 1) * DEG_TO_RAD))); ofVertex(glm::vec3(radius * cos((deg - 1) * DEG_TO_RAD), y + len * -0.5, radius * sin((deg - 1) * DEG_TO_RAD))); ofVertex(glm::vec3(radius * cos(deg * DEG_TO_RAD), y + len * -0.5, radius * sin(deg * DEG_TO_RAD))); ofEndShape(true); } } reverse(vertices_2.begin(), vertices_2.end()); ofNoFill(); ofSetColor(39); ofBeginShape(); ofVertices(vertices_1); ofVertices(vertices_2); ofEndShape(true); vertices_1.clear(); vertices_2.clear(); } this->cam.end(); } //-------------------------------------------------------------- int main() { ofSetupOpenGL(720, 720, OF_WINDOW); ofRunApp(new ofApp()); } |