[ Video ]
[ About ]
すき間のある六角形。
[ 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 |
#include "ofApp.h" //-------------------------------------------------------------- void ofApp::setup() { ofSetFrameRate(25); ofSetWindowTitle("openframeworks"); ofBackground(39); ofSetLineWidth(1.5); ofEnableBlendMode(ofBlendMode::OF_BLENDMODE_ADD); this->noise_param = ofRandom(1000); } //-------------------------------------------------------------- void ofApp::update() { ofSeedRandom(39); if (ofGetFrameNum() % 50 < 30) { this->noise_param += ofMap(ofGetFrameNum() % 50, 0, 30, 0.1, 0); } } //-------------------------------------------------------------- void ofApp::draw() { auto radius = 30; auto x_span = radius * sqrt(3); auto flg = true; ofColor color; for (float y = 0; y <= 720 + radius; y += radius * 1.5) { for (float x = 0; x <= 720 + radius; x += x_span) { glm::vec3 location; if (flg) { location = glm::vec3(x, y, 0); } else { location = glm::vec3(x + (x_span / 2), y, 0); } ofPushMatrix(); ofTranslate(location); ofRotate(90); int hue = ofMap(x, 0, 720, 120, 230); for (int draw_radius = radius - 5; draw_radius > 0; draw_radius -= 200) { auto x_seed = ofRandom(1000); auto y_seed = ofRandom(1000); auto deg_start = ofMap(ofNoise(location.x * 0.05, location.y * 0.05, this->noise_param, x_seed), 0, 1, 0, 360); auto deg_len = ofMap(ofNoise(location.x * 0.05, location.y * 0.05, this->noise_param), 0, 1, -100, 720); auto deg_end = deg_start + deg_len; if (deg_len < 0) { continue; } vector<glm::vec2> vertices; for (int deg = deg_start; deg <= deg_end && deg <= deg_start + 360; deg += 1) { int param = deg % 60; glm::vec2 location; if (param == 0) { location = glm::vec2(draw_radius * cos(deg * DEG_TO_RAD), draw_radius * sin(deg * DEG_TO_RAD)); } else { int p1 = deg / 60; int p2 = p1 + 1; auto p1_deg = p1 * 60; auto p2_deg = p2 * 60; auto source = glm::vec2(draw_radius * cos(p1_deg * DEG_TO_RAD), draw_radius * sin(p1_deg * DEG_TO_RAD)); auto target = glm::vec2(draw_radius * cos(p2_deg * DEG_TO_RAD), draw_radius * sin(p2_deg * DEG_TO_RAD)); location = source + ((target - source) / 60 * param); } vertices.push_back(location); } hue = (hue + 32) % 255; color.setHsb(hue, 255, 255); ofFill(); ofSetColor(ofColor(color, 92)); ofBeginShape(); ofVertices(vertices); ofEndShape(true); ofNoFill(); ofSetColor(color); ofBeginShape(); ofVertices(vertices); ofEndShape(true); } ofPopMatrix(); } flg = !flg; } /* int start = 50; 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()); } |