[ Video ]
[ About ]
球体から棘。
[ 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 |
#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; vector<ofMeshFace> triangle_list; ofMesh mesh, frame; }; |
|
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 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 |
#include "ofApp.h" //-------------------------------------------------------------- void ofApp::setup() { ofSetFrameRate(25); ofSetWindowTitle("openFrameworks"); ofBackground(39); ofSetLineWidth(0.5); ofEnableDepthTest(); auto ico_sphere = ofIcoSpherePrimitive(250, 3); this->triangle_list.insert(this->triangle_list.end(), ico_sphere.getMesh().getUniqueFaces().begin(), ico_sphere.getMesh().getUniqueFaces().end()); //this->frame.setMode(OF_PRIMITIVE_LINES); } //-------------------------------------------------------------- void ofApp::update() { ofSeedRandom(39); this->mesh.clear(); this->frame.clear(); auto radius = 250; for (int i = 0; i < this->triangle_list.size(); i++) { glm::vec3 avg = (this->triangle_list[i].getVertex(0) + this->triangle_list[i].getVertex(1) + this->triangle_list[i].getVertex(2)) / 3; avg = glm::normalize(avg) * radius; auto noise_value = ofNoise(avg.x * 0.006, avg.y * 0.006, avg.z * 0.006, ofGetFrameNum() * 0.005); auto height = 0; if (noise_value > 0.48 && noise_value < 0.52) { height = 400; } else if (noise_value > 0.45 && noise_value < 0.48) { height = ofMap(noise_value, 0.45, 0.48, 0, 400); } else if (noise_value > 0.52 && noise_value < 0.55) { height = ofMap(noise_value, 0.52, 0.55, 400, 0); } vector<glm::vec3> vertices; vertices.push_back(glm::normalize(this->triangle_list[i].getVertex(0)) * radius - avg); vertices.push_back(glm::normalize(this->triangle_list[i].getVertex(1)) * radius - avg); vertices.push_back(glm::normalize(this->triangle_list[i].getVertex(2)) * radius - avg); vertices.push_back(glm::normalize(avg) * (radius + height) - avg); for (auto& vertex : vertices) { vertex *= 0.9; vertex += avg; } this->mesh.addVertices(vertices); this->frame.addVertices(vertices); ofColor mesh_color = ofColor(0); ofColor frame_color = ofColor(255); for (int k = 0; k < vertices.size(); k++) { this->mesh.addColor(mesh_color); this->frame.addColor(frame_color); } this->mesh.addTriangle(this->mesh.getNumVertices() - 2, this->mesh.getNumVertices() - 3, this->mesh.getNumVertices() - 4); this->frame.addTriangle(this->frame.getNumVertices() - 2, this->frame.getNumVertices() - 3, this->frame.getNumVertices() - 4); if (height > 250) { this->mesh.addTriangle(this->mesh.getNumVertices() - 1, this->mesh.getNumVertices() - 2, this->mesh.getNumVertices() - 3); this->mesh.addTriangle(this->mesh.getNumVertices() - 1, this->mesh.getNumVertices() - 3, this->mesh.getNumVertices() - 4); this->mesh.addTriangle(this->mesh.getNumVertices() - 1, this->mesh.getNumVertices() - 2, this->mesh.getNumVertices() - 4); this->frame.addTriangle(this->frame.getNumVertices() - 1, this->frame.getNumVertices() - 2, this->frame.getNumVertices() - 3); this->frame.addTriangle(this->frame.getNumVertices() - 1, this->frame.getNumVertices() - 3, this->frame.getNumVertices() - 4); this->frame.addTriangle(this->frame.getNumVertices() - 1, this->frame.getNumVertices() - 2, this->frame.getNumVertices() - 4); } } } //-------------------------------------------------------------- void ofApp::draw() { this->cam.begin(); ofRotateY(ofGetFrameNum() * 0.72); ofRotateX(ofGetFrameNum() * 1.44); this->mesh.drawFaces(); this->frame.drawWireframe(); this->cam.end(); /* // ffmpeg -i img_%04d.jpg aaa.mp4 int start = 150; if (ofGetFrameNum() > start) { std::ostringstream os; os << std::setw(4) << std::setfill('0') << ofGetFrameNum() - start; ofImage image; image.grabScreen(0, 0, ofGetWidth(), ofGetHeight()); image.saveImage("image/cap/img_" + os.str() + ".jpg"); if (ofGetFrameNum() - start >= 25 * 20) { std::exit(1); } } */ } //-------------------------------------------------------------- int main() { ofSetupOpenGL(720, 720, OF_WINDOW); ofRunApp(new ofApp()); } |
[ Link ]
https://github.com/junkiyoshi/DoodleDeProgramming/tree/944f2c5c517f06e1849dc1233abbcfe5ca95db27