[ Video ]
[ About ]
塗りつぶす、塗りつぶさない。
[ 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 |
#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) {}; vector<vector<glm::vec2>> log_list; vector<glm::vec2> velocity_list; vector<float> noise_seed_list; vector<ofColor> color_list; }; |
|
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 |
#include "ofApp.h" //-------------------------------------------------------------- void ofApp::setup() { ofSetFrameRate(25); ofSetWindowTitle("openframeworks"); ofBackground(39); ofFill(); ofEnableBlendMode(ofBlendMode::OF_BLENDMODE_ADD); ofSetRectMode(ofRectMode::OF_RECTMODE_CENTER); } //-------------------------------------------------------------- void ofApp::update() { ofColor color; for (int i = 0; i < 4; i++) { auto noise_location = glm::vec2( ofMap(ofNoise(39 + i * 5000, ofGetFrameNum() * 0.01), 0, 1, -360 + (int)(i / 2) * 360, 0 + (int)(i / 2) * 360), ofMap(ofNoise(239 + i * 5000, ofGetFrameNum() * 0.01), 0, 1, -360 + (int)(i % 2) * 360, 0 + (int)(i % 2) * 360)); auto next_noise_location = glm::vec2( ofMap(ofNoise(39 + i * 5000, (ofGetFrameNum() + 1) * 0.01), 0, 1, -360 + (int)(i / 2) * 360, 0 + (int)(i / 2) * 360), ofMap(ofNoise(239 + i * 5000, (ofGetFrameNum() + 1) * 0.01), 0, 1, -360 + (int)(i % 2) * 360, 0 + (int)(i % 2) * 360)); for (int k = 0; k < 2; k++) { vector<glm::vec2> log; log.push_back(noise_location); this->log_list.push_back(log); auto deg = glm::atan(next_noise_location.y - noise_location.y, next_noise_location.x - noise_location.x) * RAD_TO_DEG + 180 + ofRandom(-35, 35); glm::vec2 velocity = glm::vec2(cos(deg * DEG_TO_RAD), sin(deg * DEG_TO_RAD)); this->velocity_list.push_back(velocity); this->noise_seed_list.push_back(ofRandom(1000)); color.setHsb(ofRandom(i * 60, 60 + i * 60), 255, 255); this->color_list.push_back(color); } } for (int i = 0; i < this->log_list.size(); i++) { auto future = this->velocity_list[i] * 200; auto random_deg = ofMap(ofNoise(glm::vec2(this->noise_seed_list[i], ofGetFrameNum() * 0.01)), 0, 1, 0, 360); future += glm::vec2(50 * cos(random_deg * DEG_TO_RAD), 50 * sin(random_deg * DEG_TO_RAD)); auto next = this->log_list[i].back() + glm::normalize(future) * 6; next = glm::length(next) < 1000 ? next : glm::normalize(next) * 1000; this->log_list[i].push_back(next); if (this->log_list[i].size() > 30) { this->log_list.erase(this->log_list.begin() + i); this->velocity_list.erase(this->velocity_list.begin() + i); this->noise_seed_list.erase(this->noise_seed_list.begin() + i); this->color_list.erase(this->color_list.begin() + i); } } } //-------------------------------------------------------------- void ofApp::draw() { ofTranslate(ofGetWidth() * 0.5, ofGetHeight() * 0.5); ofGetFrameNum() % 100 < 50 ? ofFill() : ofNoFill(); for (int i = 0; i < this->log_list.size(); i++) { ofPushMatrix(); ofTranslate(this->log_list[i].back()); ofSetColor(this->color_list[i]); auto size = this->log_list[i].size() < 3 ? 20 : ofMap(this->log_list[i].size(), 3, 30, 20, 1); ofDrawCircle(glm::vec3(), size); ofPopMatrix(); } /* int start = 100; if (ofGetFrameNum() > start) { ostringstream os; os << setw(4) << 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()); } |