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カラフルなトーラス
Colorful torus.
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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) {}; glm::vec3 make_point(float R, float r, float u, float v); ofEasyCam cam; }; |
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#include "ofApp.h" //-------------------------------------------------------------- void ofApp::setup() { ofSetFrameRate(60); ofSetWindowTitle("openFrameworks"); ofBackground(239); ofEnableDepthTest(); } //-------------------------------------------------------------- void ofApp::update() { } //-------------------------------------------------------------- void ofApp::draw() { this->cam.begin(); for (int v = 0; v < 360; v += 6) { ofColor color; color.setHsb(ofMap((ofGetFrameNum() * 5 + v) % 360, 0, 360, 0, 255), 255, 230); int tmp_v = v; for (int u = -180; u <= 180; u += 6) { ofSetColor(color); ofBeginShape(); ofVertex(this->make_point(300, 80, u - 3, tmp_v - 3)); ofVertex(this->make_point(300, 80, u - 9, tmp_v - 3)); ofVertex(this->make_point(300, 80, u - 3, tmp_v + 3)); ofVertex(this->make_point(300, 80, u + 3, tmp_v + 3)); ofEndShape(true); tmp_v += 6; } } this->cam.end(); } //-------------------------------------------------------------- glm::vec3 ofApp::make_point(float R, float r, float u, float v) { // 数学デッサン教室 描いて楽しむ数学たち P.31 u *= DEG_TO_RAD; v *= DEG_TO_RAD; float x = (R + r * cos(u)) * cos(v); float y = (R + r * cos(u)) * sin(v); float z = r * sin(u); return glm::vec3(x, y, z); } //-------------------------------------------------------------- int main() { ofSetupOpenGL(720, 720, OF_WINDOW); ofRunApp(new ofApp()); } |