[ Video ]
[ About ]
2022 Happy X’mas.
[ 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 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; ofMesh mesh; ofTrueTypeFont font; }; |
|
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 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 |
#include "ofApp.h" //-------------------------------------------------------------- void ofApp::setup() { ofSetFrameRate(30); ofSetWindowTitle("openFrameworks"); ofBackground(0); ofSetLineWidth(1.2); ofEnableDepthTest(); ofEnableBlendMode(ofBlendMode::OF_BLENDMODE_ADD); this->mesh.setMode(ofPrimitiveMode::OF_PRIMITIVE_LINES); this->font.loadFont("fonts/Kazesawa-Bold.ttf", 100, true, true, true); } //-------------------------------------------------------------- void ofApp::update() { ofSeedRandom(39); vector<float> min_distance_list; this->mesh.clear(); for (int i = 0; i < 1800; i++) { auto vertex = glm::vec3( ofRandom(-200, 200) + ofMap(ofNoise(ofRandom(1000), ofGetFrameNum() * 0.001), 0, 1, -20, 20), (int)(ofRandom(400) + ofGetFrameNum() * ofRandom(1, 3)) % 400 - 200, ofRandom(-200, 200) + ofMap(ofNoise(ofRandom(1000), ofGetFrameNum() * 0.001), 0, 1, -20, 20) ); this->mesh.addVertex(vertex); min_distance_list.push_back(20); } string word = "Xmas"; auto path_list = font.getStringAsPoints(word, true, false); for (auto path : path_list) { auto outline = path.getOutline(); for (int outline_index = 0; outline_index < outline.size(); outline_index++) { outline[outline_index] = outline[outline_index].getResampledBySpacing(15); auto vertices = outline[outline_index].getVertices(); for (int vertices_index = 0; vertices_index < vertices.size(); vertices_index++) { auto location = glm::vec3(vertices[vertices_index].x - this->font.stringWidth(word) * 0.5, vertices[vertices_index].y + this->font.stringHeight(word) * 0.5, 0); this->mesh.addVertex(location); } } } for (int i = 0; i < this->mesh.getNumVertices(); i++) { for (int k = 0; k < this->mesh.getNumVertices(); k++) { if (i == k) { continue; } auto distance = glm::distance(this->mesh.getVertex(i), this->mesh.getVertex(k)); if (distance <= 20) { this->mesh.addIndex(i); this->mesh.addIndex(k); if (distance < min_distance_list[i]) { min_distance_list[i] = distance; } } } this->mesh.addColor(ofColor(255, ofMap(min_distance_list[i], 0, 20, 255, 0))); } } //-------------------------------------------------------------- void ofApp::draw() { this->cam.begin(); ofRotateX(180); ofRotateY(10 * sin(ofGetFrameNum() * 0.035)); this->mesh.draw(); for (int i = 0; i < this->mesh.getNumVertices(); i++) { ofSetColor(this->mesh.getColor(i)); ofDrawSphere(this->mesh.getVertex(i), 1.5); } 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()); } |