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Lines circle.
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#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); ofBackground(128); ofSetWindowTitle("Insta"); ofSetLineWidth(3); } //-------------------------------------------------------------- void ofApp::update() { } //-------------------------------------------------------------- void ofApp::draw() { float x, y; float radius = 250; int tmp_deg; float tmp_x, tmp_y; ofColor color; this->cam.begin(); for(int deg = 0; deg <= 360; deg += 10) { color.setHsb(deg / 360.f * 255.f, 255, 255); ofSetColor(color); x = radius * cos(deg * DEG_TO_RAD); y = radius * sin(deg * DEG_TO_RAD); ofDrawCircle(x, y, 5); tmp_deg = deg + ofGetFrameNum() % 360; tmp_x = radius * 0.8 * cos(tmp_deg * DEG_TO_RAD); tmp_y = radius * 0.8 * sin(tmp_deg * DEG_TO_RAD); ofDrawCircle(tmp_x, tmp_y, 5); ofDrawLine(x, y, tmp_x, tmp_y); } this->cam.end(); } //-------------------------------------------------------------- int main() { ofSetupOpenGL(720, 720, OF_WINDOW); ofRunApp(new ofApp()); } |