[ Video ]
[ About ]
ネオンカラー。
[ 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 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) {}; 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 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 |
#include "ofApp.h" //-------------------------------------------------------------- void ofApp::setup() { ofSetFrameRate(25); ofSetWindowTitle("openframeworks"); ofBackground(39); ofEnableBlendMode(ofBlendMode::OF_BLENDMODE_ADD); } //-------------------------------------------------------------- void ofApp::update() { ofSeedRandom(39); auto param = ofGetFrameNum() % 50; if (param > 12 && param < 38) { if (param < 25) { this->noise_param += ofMap(param, 12, 25, 0.0001, 0.015); } else if (param > 25) { this->noise_param += ofMap(param, 25, 38, 0.015, 0.0001); } else { this->noise_param += 0.0001; } } else { this->noise_param += 0.0001; } } //-------------------------------------------------------------- void ofApp::draw() { vector<glm::vec2> location_list; for (int i = 0; i < 200; i++) { location_list.push_back(glm::vec2( ofMap(ofNoise(ofRandom(1000), this->noise_param), 0, 1, -100, 820), ofMap(ofNoise(ofRandom(1000), this->noise_param), 0, 1, -100, 820))); } int span = 80; ofColor color; for (int i = 0; i < location_list.size(); i++) { float max_alpha = 0; color.setHsb(ofMap(i, 0, 200, 0, 255), 255, 255); for (int k = 0; k < location_list.size(); k++) { if (i == k) { continue; } auto distance = glm::distance(location_list[i], location_list[k]); if (distance < span) { vector<glm::vec2> vertices; auto direction_rad = std::atan2(location_list[k].y - location_list[i].y, location_list[k].x - location_list[i].x); auto direction_deg = direction_rad * RAD_TO_DEG + 90; int radius = 3; for (int deg = direction_deg; deg <= direction_deg + 180; deg += 3) { vertices.push_back(location_list[i] + glm::vec2(radius * cos(deg * DEG_TO_RAD), radius * sin(deg * DEG_TO_RAD))); } for (int deg = direction_deg + 180; deg <= direction_deg + 360; deg += 3) { vertices.push_back(location_list[k] + glm::vec2(radius * cos(deg * DEG_TO_RAD), radius * sin(deg * DEG_TO_RAD))); } auto alpha = distance < span * 0.6 ? 255 : ofMap(distance, span * 0.6, span * 0.85, 255, 0); ofSetColor(color, alpha); ofNoFill(); ofBeginShape(); ofVertices(vertices); ofEndShape(true); if (alpha > max_alpha) { max_alpha = alpha; } } } } for (int i = 0; i < location_list.size(); i++) { float max_alpha = 0; color.setHsb(ofMap(i, 0, 200, 0, 255), 255, 255); for (int k = 0; k < location_list.size(); k++) { if (i == k) { continue; } auto distance = glm::distance(location_list[i], location_list[k]); if (distance < span) { vector<glm::vec2> vertices; auto direction_rad = std::atan2(location_list[k].y - location_list[i].y, location_list[k].x - location_list[i].x); auto direction_deg = direction_rad * RAD_TO_DEG + 90; int radius = 1; for (int deg = direction_deg; deg <= direction_deg + 180; deg += 3) { vertices.push_back(location_list[i] + glm::vec2(radius * cos(deg * DEG_TO_RAD), radius * sin(deg * DEG_TO_RAD))); } for (int deg = direction_deg + 180; deg <= direction_deg + 360; deg += 3) { vertices.push_back(location_list[k] + glm::vec2(radius * cos(deg * DEG_TO_RAD), radius * sin(deg * DEG_TO_RAD))); } auto alpha = distance < span * 0.6 ? 255 : ofMap(distance, span * 0.6, span * 0.85, 255, 0); ofSetColor(255, alpha); ofFill(); ofBeginShape(); ofVertices(vertices); ofEndShape(true); if (alpha > max_alpha) { max_alpha = alpha; } } } } /* int start = 300; 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()); } |