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円周をつないだ帯を回転
Rotate circumferential band.
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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); ofSetWindowTitle("openframeworks"); ofBackground(39); ofEnableDepthTest(); ofSetLineWidth(2); } //-------------------------------------------------------------- void ofApp::update() { ofSeedRandom(39); } //-------------------------------------------------------------- void ofApp::draw() { this->cam.begin(); int deg_span = 15; float noise_seed_x = ofRandom(300, 1000); float noise_seed_y = ofRandom(300, 1000); float noise_seed_z = ofRandom(300, 1000); ofFill(); ofDrawSphere(glm::vec3(), 10); for (int radius = 30; radius <= 300; radius += 30) { ofPushMatrix(); ofRotateX(ofMap(ofNoise(noise_seed_x - radius * 0.0015 + ofGetFrameNum() * 0.005), 0, 1, -360, 360)); ofRotateZ(ofMap(ofNoise(noise_seed_y - radius * 0.0015 + ofGetFrameNum() * 0.005), 0, 1, -360, 360)); ofRotateY(ofMap(ofNoise(noise_seed_z - radius * 0.0015 + ofGetFrameNum() * 0.005), 0, 1, -360, 360)); for (int deg = 0; deg < 360; deg += deg_span) { vector<glm::vec3> vertices; vertices.push_back(glm::vec3(radius * cos((deg + deg_span * 0.5) *DEG_TO_RAD), radius * sin((deg + deg_span * 0.5) * DEG_TO_RAD), 10)); vertices.push_back(glm::vec3(radius * cos((deg + deg_span * 0.5) *DEG_TO_RAD), radius * sin((deg + deg_span * 0.5) * DEG_TO_RAD), -10)); vertices.push_back(glm::vec3(radius * cos((deg - deg_span * 0.5) *DEG_TO_RAD), radius * sin((deg - deg_span * 0.5) * DEG_TO_RAD), -10)); vertices.push_back(glm::vec3(radius * cos((deg - deg_span * 0.5) *DEG_TO_RAD), radius * sin((deg - deg_span * 0.5) * DEG_TO_RAD), 10)); ofFill(); ofSetColor(39); ofBeginShape(); ofVertices(vertices); ofEndShape(true); ofNoFill(); ofSetColor(239); ofBeginShape(); ofVertices(vertices); ofEndShape(true); } ofPopMatrix(); } this->cam.end(); } //-------------------------------------------------------------- int main() { ofGLWindowSettings settings; settings.setGLVersion(3, 2); settings.setSize(720, 720); ofCreateWindow(settings); ofRunApp(new ofApp()); } |