[ Video ]
[ About ]
種。
[ 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 |
#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; float base_radius; ofIcoSpherePrimitive ico_sphere; ofMesh face, frame; float noise_param; }; |
|
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 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 |
#include "ofApp.h" //-------------------------------------------------------------- void ofApp::setup() { ofSetFrameRate(25); ofSetWindowTitle("openFrameworks"); ofBackground(239); ofSetLineWidth(0.5); ofEnableDepthTest(); this->base_radius = 65; this->ico_sphere = ofIcoSpherePrimitive(this->base_radius, 2); this->frame.setMode(ofPrimitiveMode::OF_PRIMITIVE_LINES); this->noise_param = ofRandom(1000); } //-------------------------------------------------------------- void ofApp::update() { ofSeedRandom(39); this->face.clear(); this->frame.clear(); int radius_start = this->base_radius; int radius_max = this->base_radius * 24; for (auto& triangle : this->ico_sphere.getMesh().getUniqueFaces()) { auto noise_seed_x = ofRandom(1000); auto noise_seed_y = ofRandom(1000); auto noise_seed_z = ofRandom(1000); auto noise_value = ofNoise(glm::vec4(triangle.getVertex(0) * 2, this->noise_param * 10)); int radius_end = noise_value < 0.6 ? radius_start : ofMap(noise_value, 0.6, 1, radius_start, radius_max); this->frame.addVertex(glm::vec3()); for (int radius = radius_start; radius <= radius_end; radius += 1) { auto mesh_index = this->face.getNumVertices(); auto frame_index = this->frame.getNumVertices(); auto param = ofMap(radius, radius_start, radius_max, 0, PI * 0.15); auto angle_x = ofMap(ofNoise(noise_seed_x, radius * 0.001 + this->noise_param), 0, 1, -param, param); auto rotation_x = glm::rotate(glm::mat4(), angle_x, glm::vec3(1, 0, 0)); auto angle_y = ofMap(ofNoise(noise_seed_y, radius * 0.001 + this->noise_param), 0, 1, -param, param); auto rotation_y = glm::rotate(glm::mat4(), angle_y, glm::vec3(0, 1, 0)); auto angle_z = ofMap(ofNoise(noise_seed_z, radius * 0.001 + this->noise_param), 0, 1, -param, param); auto rotation_z = glm::rotate(glm::mat4(), angle_z, glm::vec3(0, 0, 1)); glm::vec3 avg = (triangle.getVertex(0) + triangle.getVertex(1) + triangle.getVertex(2)) / 3; glm::vec3 location = glm::normalize(avg) * radius; vector<glm::vec3> vertices; vertices.push_back(glm::vec4(location + glm::normalize(triangle.getVertex(0) - avg) * ofMap(radius, radius_start, radius_end, glm::length(triangle.getVertex(0) - avg), 0), 0) * rotation_z * rotation_y * rotation_x); vertices.push_back(glm::vec4(location + glm::normalize(triangle.getVertex(1) - avg) * ofMap(radius, radius_start, radius_end, glm::length(triangle.getVertex(1) - avg), 0), 0) * rotation_z * rotation_y * rotation_x); vertices.push_back(glm::vec4(location + glm::normalize(triangle.getVertex(2) - avg) * ofMap(radius, radius_start, radius_end, glm::length(triangle.getVertex(2) - avg), 0), 0) * rotation_z * rotation_y * rotation_x); this->face.addVertices(vertices); this->frame.addVertices(vertices); for (int i = 0; i < vertices.size(); i++) { this->face.addColor(ofColor(39)); this->frame.addColor(ofColor(39, 239, 39)); } if (radius == radius_start || radius == radius_end) { this->face.addIndex(mesh_index + 0); this->face.addIndex(mesh_index + 1); this->face.addIndex(mesh_index + 2); this->frame.addIndex(frame_index + 0); this->frame.addIndex(frame_index + 1); this->frame.addIndex(frame_index + 1); this->frame.addIndex(frame_index + 2); this->frame.addIndex(frame_index + 2); this->frame.addIndex(frame_index + 0); } if (radius > radius_start) { this->face.addIndex(mesh_index + 0); this->face.addIndex(mesh_index + 1); this->face.addIndex(mesh_index - 2); this->face.addIndex(mesh_index + 0); this->face.addIndex(mesh_index - 2); this->face.addIndex(mesh_index - 3); this->face.addIndex(mesh_index + 1); this->face.addIndex(mesh_index + 2); this->face.addIndex(mesh_index - 1); this->face.addIndex(mesh_index + 1); this->face.addIndex(mesh_index - 1); this->face.addIndex(mesh_index - 2); this->face.addIndex(mesh_index + 2); this->face.addIndex(mesh_index + 0); this->face.addIndex(mesh_index - 3); this->face.addIndex(mesh_index + 2); this->face.addIndex(mesh_index - 3); this->face.addIndex(mesh_index - 1); this->frame.addIndex(frame_index + 0); this->frame.addIndex(frame_index - 3); this->frame.addIndex(frame_index + 1); this->frame.addIndex(frame_index - 2); this->frame.addIndex(frame_index + 2); this->frame.addIndex(frame_index - 1); } } } this->noise_param -= 0.003; } //-------------------------------------------------------------- void ofApp::draw() { this->cam.begin(); ofRotateY(ofGetFrameNum() * 0.36); this->frame.drawWireframe(); this->face.draw(); 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/1f149c216b8e88d8b7b2b829b0584545d63a1578