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螺旋線。
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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; }; |
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#include "ofApp.h" //-------------------------------------------------------------- void ofApp::setup() { ofSetFrameRate(25); ofSetWindowTitle("openframeworks"); ofBackground(239); ofSetLineWidth(3); } //-------------------------------------------------------------- void ofApp::update() { } //-------------------------------------------------------------- void ofApp::draw() { this->cam.begin(); ofRotateY(ofGetFrameNum() * 1.44); for (int deg = 0; deg < 360; deg += 3) { ofPushMatrix(); ofRotate(deg); ofTranslate(glm::vec2(0, 250)); auto rotate_deg = ofMap(ofNoise(cos(deg * DEG_TO_RAD) * 0.15, sin(deg * DEG_TO_RAD) * 0.15, ofGetFrameNum() * 0.005), 0, 1, -720, 720); ofRotateX(rotate_deg); ofSetColor(239, 39, 39); ofDrawLine(glm::vec2(0, -12.5), glm::vec2(0, -50)); ofSetColor(39, 39, 239); ofDrawLine(glm::vec2(0, 12.5), glm::vec2(0, 50)); ofSetColor(39); ofDrawSphere(glm::vec3(), 2); ofPopMatrix(); } this->cam.end(); /* int start = 250; 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()); } |