[ Video ]
[ About ]
トーラス面遊び その2
SSurface of torus part 2.
[ Source ]
|
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 |
#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; }; |
|
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 |
#include "ofApp.h" //-------------------------------------------------------------- void ofApp::setup() { ofSetFrameRate(60); ofSetWindowTitle("openframeworks"); ofBackground(39); ofSetLineWidth(3); ofEnableDepthTest(); } //-------------------------------------------------------------- void ofApp::update() { ofSeedRandom(39); } //-------------------------------------------------------------- void ofApp::draw() { this->cam.begin(); glm::vec3 point_base = glm::vec3(300 * cos((2 * ofGetFrameNum() % 360) * DEG_TO_RAD), 300 * sin((2 * ofGetFrameNum() % 360) * DEG_TO_RAD), 0); for (int v = 0; v < 360; v += 10) { for (int u = 0; u < 360; u += 20) { glm::vec3 point = glm::vec3(300 * cos(v * DEG_TO_RAD), 300 * sin(v * DEG_TO_RAD), 0); float r = 50; float noise_value = ofNoise(ofRandom(1000), ofGetFrameNum() * 0.01); float distance = glm::distance(point, point_base); if (distance < 200) { float noise_param = ofMap(distance, 200, 0, 0, 1); r += 150 * (noise_value * noise_param); } ofSetColor(39); ofFill(); ofBeginShape(); ofVertex(this->make_point(300, r, u - 10, v - 5)); ofVertex(this->make_point(300, r, u + 10, v - 5)); ofVertex(this->make_point(300, r, u + 10, v + 5)); ofVertex(this->make_point(300, r, u - 10, v + 5)); ofEndShape(true); ofSetColor(239); ofNoFill(); ofBeginShape(); ofVertex(this->make_point(300, r, u - 9.9, v - 4.9)); ofVertex(this->make_point(300, r, u + 9.9, v - 4.9)); ofVertex(this->make_point(300, r, u + 9.9, v + 4.9)); ofVertex(this->make_point(300, r, u - 9.9, v + 4.9)); ofEndShape(true); } } ofDrawSphere(point_base, 10); 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()); } |