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バラバラチューブ。
Separated tube.
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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(60); ofSetWindowTitle("openFrameworks"); ofBackground(239); ofSetLineWidth(2); ofEnableDepthTest(); } //-------------------------------------------------------------- void ofApp::update() { ofSeedRandom(39); } //-------------------------------------------------------------- void ofApp::draw() { this->cam.begin(); int radius = 150; int height = 30; int deg_span = 30; for (int z = -radius; z <= radius; z += height) { ofPushMatrix(); ofTranslate(glm::vec3(0, 0, z)); for (int deg = 0; deg < 360; deg += deg_span) { vector<glm::vec3> vertices_1, vertices_2; for (int tmp_deg = deg; tmp_deg <= deg + deg_span; tmp_deg++) { vertices_1.push_back(glm::vec3(radius * cos(tmp_deg * DEG_TO_RAD), radius * sin(tmp_deg * DEG_TO_RAD), -height * 0.5)); vertices_2.push_back(glm::vec3(radius * cos(tmp_deg * DEG_TO_RAD), radius * sin(tmp_deg * DEG_TO_RAD), height * 0.5)); } reverse(vertices_2.begin(), vertices_2.end()); auto noise_value = ofNoise(ofRandom(1000), ofGetFrameNum() * 0.005); auto tmp_radius = noise_value < 0.75 ? 0 : ofMap(noise_value, 0.75, 1, 0, 100); auto location = glm::vec3(tmp_radius * cos((deg + deg_span * 0.5) * DEG_TO_RAD), tmp_radius * sin((deg + deg_span * 0.5) * DEG_TO_RAD), 0); ofPushMatrix(); ofTranslate(location); ofFill(); ofSetColor(239); ofBeginShape(); ofVertices(vertices_1); ofVertices(vertices_2); ofEndShape(true); ofNoFill(); ofSetColor(39); ofBeginShape(); ofVertices(vertices_1); ofVertices(vertices_2); ofEndShape(true); ofPopMatrix(); } ofPopMatrix(); } this->cam.end(); } //-------------------------------------------------------------- int main() { ofSetupOpenGL(720, 720, OF_WINDOW); ofRunApp(new ofApp()); } |