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z値が歪んだ円を沢山書いてリング状にしてみました。メッシュっぽい形状になって綺麗です。
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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) {}; ofPoint make_point(float radius, float deg); ofEasyCam cam; }; |
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#include "ofApp.h" //-------------------------------------------------------------- void ofApp::setup() { ofSetFrameRate(60); ofBackground(0); ofSetWindowTitle("Insta"); ofEnableBlendMode(ofBlendMode::OF_BLENDMODE_ADD); ofEnableDepthTest(); ofSetLineWidth(1.5); } //-------------------------------------------------------------- void ofApp::update() { } //-------------------------------------------------------------- void ofApp::draw() { this->cam.begin(); float radius = 300; for (int i = 0; i < 20; i++) { //ofRotate(3); ofRotate(ofGetFrameNum() * 0.05); ofColor line_color; line_color.setHsb(i * 10, 255, 255); ofSetColor(line_color); for (int deg = 0; deg < 360; deg += 1) { ofVec3f prev_point = make_point(radius, deg - 1); ofVec3f point = make_point(radius, deg); ofDrawLine(prev_point, point); } } this->cam.end(); } //-------------------------------------------------------------- ofPoint ofApp::make_point(float radius, float deg) { float x = radius * cos(deg * DEG_TO_RAD); float y = radius * sin(deg * DEG_TO_RAD); float z = 50.f * sin((deg * 6) * DEG_TO_RAD); return ofVec3f(x, y, z); } //-------------------------------------------------------------- int main() { ofSetupOpenGL(720, 720, OF_WINDOW); ofRunApp(new ofApp()); } |