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大きい球体 – 小さい球体。
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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) {}; }; |
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#include "ofApp.h" //-------------------------------------------------------------- void ofApp::setup() { ofSetFrameRate(30); ofSetWindowTitle("openFrameworks"); ofBackground(239); ofSetColor(39); ofSetLineWidth(1.5); } //-------------------------------------------------------------- void ofApp::update() { ofSeedRandom(39); } //-------------------------------------------------------------- void ofApp::draw() { ofTranslate(ofGetWindowSize() * 0.5); auto radius = 240; int deg_span = 4; auto len = 120; for (int deg = 0; deg < 360; deg += deg_span) { ofPushMatrix(); ofRotate(deg); ofTranslate(radius * cos(0 * DEG_TO_RAD), radius * sin(0 * DEG_TO_RAD)); auto noise_deg = ofMap(ofNoise(cos(deg * DEG_TO_RAD) * 0.5, sin(deg * DEG_TO_RAD) * 0.5, ofGetFrameNum() * 0.008), 0, 1, -540, 540); ofRotateY(noise_deg); auto location_1 = glm::vec3((len * 0.5) * cos(0 * DEG_TO_RAD), (len * 0.5) * sin(0 * DEG_TO_RAD), 0); auto location_2 = glm::vec3((len * -0.5) * cos(0 * DEG_TO_RAD), (len * -0.5) * sin(0 * DEG_TO_RAD), 0); ofDrawLine(location_1, location_2); ofDrawSphere(location_1, 3); ofDrawSphere(location_2, 6); ofPopMatrix(); } } //-------------------------------------------------------------- int main() { ofSetupOpenGL(720, 720, OF_WINDOW); ofRunApp(new ofApp()); } |