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ねじれ。
Twisting.
[ Source ]
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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); ofBackground(0); ofSetWindowTitle("Insta"); ofEnableDepthTest(); ofNoFill(); ofSetLineWidth(5); } //-------------------------------------------------------------- void ofApp::update() { } //-------------------------------------------------------------- void ofApp::draw() { this->cam.begin(); ofRotateX(270); ofRotateZ(ofGetFrameNum()); float radius = 300; float tmp_deg; ofColor line_color; for (int deg = 180; deg < 360; deg += 10) { tmp_deg = deg; line_color.setHsb(deg / 360.f * 255, 255, 255); ofSetColor(line_color); ofBeginShape(); for (int z = -300; z <= 300; z += 10) { tmp_deg += ofMap(ofNoise(ofGetFrameNum() * 0.005, z * 0.005), 0, 1, 0, 10); ofVertex(ofVec3f(radius * cos(tmp_deg * DEG_TO_RAD), radius * sin(tmp_deg * DEG_TO_RAD), z)); if (z == 300 || z == -300) { ofDrawSphere(ofVec3f(radius * cos(tmp_deg * DEG_TO_RAD), radius * sin(tmp_deg * DEG_TO_RAD), z), 5); } } ofEndShape(false); } this->cam.end(); } //-------------------------------------------------------------- int main() { ofSetupOpenGL(720, 720, OF_WINDOW); ofRunApp(new ofApp()); } |