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トーラス上の座標に箱を配置する。
Place the box at the coordinates on the 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(30); ofSetWindowTitle("openFrameworks"); ofBackground(0); ofEnableDepthTest(); } //-------------------------------------------------------------- void ofApp::update() { ofSeedRandom(39); } //-------------------------------------------------------------- void ofApp::draw() { this->cam.begin(); ofRotateZ(ofGetFrameNum() * 0.66); float v_step = 2; for (float v = 0; v < 360; v += v_step) { for (int i = 0; i < 4; i++) { auto u = ofMap(ofNoise(cos(v * DEG_TO_RAD) * 0.75, sin(v * DEG_TO_RAD) * 0.75, ofGetFrameNum() * 0.005), 0, 1, -360, 360) + i * 90; auto location = this->make_point(300, 60, u, v); ofPushMatrix(); ofTranslate(location); ofSetColor(0); ofFill(); ofDrawBox(10.5); ofSetColor(255); ofNoFill(); ofDrawBox(10.5); ofPopMatrix(); } } 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; auto x = (R + r * cos(u)) * cos(v); auto y = (R + r * cos(u)) * sin(v); auto z = r * sin(u); return glm::vec3(x, y, z); } //-------------------------------------------------------------- int main() { ofSetupOpenGL(720, 720, OF_WINDOW); ofRunApp(new ofApp()); } |