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計算した角度を改めて割り振りなおして、緩急をつける。
I reassign the calculated angle to make it slower and faster.
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if (deg < 80) { deg = 0; } else if (deg < 90) { deg = ofMap(deg, 80, 90, 0, 90); } else if (deg < 170) { deg = 90; } else if (deg < 180) { deg = ofMap(deg, 170, 180, 90, 180); } else if (deg < 260) { deg = 180; } else if (deg < 270) { deg = ofMap(deg, 260, 270, 180, 270); } else if (deg < 350) { deg = 270; } else if (deg < 360) { deg = ofMap(deg, 350, 360, 270, 360); } |
[ Source ]
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#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) {}; void draw_MAGATAMA(glm::vec2 location, float radius, float rotate_deg, ofColor color_1, ofColor color_2); }; |
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#include "ofApp.h" //-------------------------------------------------------------- void ofApp::setup() { ofSetFrameRate(30); ofSetWindowTitle("openFrameworks"); ofBackground(239); } //-------------------------------------------------------------- void ofApp::update() { } //-------------------------------------------------------------- void ofApp::draw() { int radius = 20; for(int x = radius * 3; x <= ofGetWidth() - radius * 3; x += radius * 2){ for (int y = radius * 3; y <= ofGetHeight() - radius * 3; y += radius * 2) { int deg = ofMap(ofNoise(x * 0.002, y * 0.002, ofGetFrameNum() * 0.01), 0, 1, 0, 360); if (deg < 80) { deg = 0; } else if (deg < 90) { deg = ofMap(deg, 80, 90, 0, 90); } else if (deg < 170) { deg = 90; } else if (deg < 180) { deg = ofMap(deg, 170, 180, 90, 180); } else if (deg < 260) { deg = 180; } else if (deg < 270) { deg = ofMap(deg, 260, 270, 180, 270); } else if (deg < 350) { deg = 270; } else if (deg < 360) { deg = ofMap(deg, 350, 360, 270, 360); } this->draw_MAGATAMA(glm::vec2(x, y), radius * 0.9, 0 + deg, ofColor(239), ofColor(39)); this->draw_MAGATAMA(glm::vec2(x, y), radius * 0.9, 180 + deg, ofColor(39), ofColor(239)); } } } //-------------------------------------------------------------- void ofApp::draw_MAGATAMA(glm::vec2 location, float radius, float rotate_deg, ofColor color_1, ofColor color_2) { float len = radius * 0.5522; float deg = 0; ofPushMatrix(); ofTranslate(location); ofRotate(rotate_deg); vector<glm::vec2> vertices; vector<pair<glm::vec2, glm::vec2>> handle_list; vertices.push_back(glm::vec2(0, 0)); deg = 180; handle_list.push_back(make_pair<glm::vec2, glm::vec2>( glm::vec2(vertices.back() + glm::vec2(len * 0.5 * cos(deg * DEG_TO_RAD), len * 0.5 * sin(deg * DEG_TO_RAD))), glm::vec2(vertices.back() + glm::vec2(len * 0.5 * cos((deg + 180) * DEG_TO_RAD), len * 0.5 * sin((deg + 180) * DEG_TO_RAD))))); vertices.push_back(glm::vec2(radius * 0.5, radius * -0.5)); deg = 90; handle_list.push_back(make_pair<glm::vec2, glm::vec2>( glm::vec2(vertices.back() + glm::vec2(len * 0.5 * cos(deg * DEG_TO_RAD), len * 0.5 * sin(deg * DEG_TO_RAD))), glm::vec2(vertices.back() + glm::vec2(len * 0.5 * cos((deg + 180) * DEG_TO_RAD), len * 0.5 * sin((deg + 180) * DEG_TO_RAD))))); vertices.push_back(glm::vec2(0, radius * -1)); deg = 0; handle_list.push_back(make_pair<glm::vec2, glm::vec2>( glm::vec2(vertices.back() + glm::vec2(len * 0.5 * cos(deg * DEG_TO_RAD), len * 0.5 * sin(deg * DEG_TO_RAD))), glm::vec2(vertices.back() + glm::vec2(len * cos(deg * DEG_TO_RAD), len * sin(deg * DEG_TO_RAD))))); vertices.push_back(glm::vec2(radius, 0)); deg = 270; handle_list.push_back(make_pair<glm::vec2, glm::vec2>( glm::vec2(vertices.back() + glm::vec2(len * cos(deg * DEG_TO_RAD), len * sin(deg * DEG_TO_RAD))), glm::vec2(vertices.back() + glm::vec2(len * cos((deg + 180) * DEG_TO_RAD), len * sin((deg + 180) * DEG_TO_RAD))))); vertices.push_back(glm::vec2(0, radius)); deg = 0; handle_list.push_back(make_pair<glm::vec2, glm::vec2>( glm::vec2(vertices.back() + glm::vec2(len * cos(deg * DEG_TO_RAD), len * sin(deg * DEG_TO_RAD))), glm::vec2(vertices.back() + glm::vec2(len * 0.5 * cos((deg + 180) * DEG_TO_RAD), len * 0.5 * sin((deg + 180) * DEG_TO_RAD))))); vertices.push_back(glm::vec2(radius * -0.5, radius * 0.5)); deg = 90; handle_list.push_back(make_pair<glm::vec2, glm::vec2>( glm::vec2(vertices.back() + glm::vec2(len * 0.5 * cos(deg * DEG_TO_RAD), len * 0.5 * sin(deg * DEG_TO_RAD))), glm::vec2(vertices.back() + glm::vec2(len * 0.5 * cos((deg + 180) * DEG_TO_RAD), len * 0.5 * sin((deg + 180) * DEG_TO_RAD))))); ofSetColor(color_1); ofFill(); ofBeginShape(); for (int i = 0; i < vertices.size(); i++) { int n = (i + 1) % vertices.size(); ofVertex(vertices[i]); ofBezierVertex(handle_list[i].second, handle_list[n].first, vertices[n]); } ofEndShape(); ofSetColor(color_2); ofBeginShape(); for (deg = 0; deg <= 360; deg += 5) { ofVertex(glm::vec2(0, radius * 0.5) + glm::vec2(radius * 0.2 * cos(deg * DEG_TO_RAD), radius * 0.2 * sin(deg * DEG_TO_RAD))); } ofEndShape(true); ofSetColor(ofColor(39)); ofNoFill(); ofBeginShape(); for (int i = 0; i < vertices.size(); i++) { int n = (i + 1) % vertices.size(); ofVertex(vertices[i]); ofBezierVertex(handle_list[i].second, handle_list[n].first, vertices[n]); } ofNextContour(true); for (deg = 0; deg <= 360; deg += 5) { ofVertex(glm::vec2(0, radius * 0.5) + glm::vec2(radius * 0.2 * cos(deg * DEG_TO_RAD), radius * 0.2 * sin(deg * DEG_TO_RAD))); } ofEndShape(true); ofPopMatrix(); } //-------------------------------------------------------------- int main() { ofSetupOpenGL(720, 720, OF_WINDOW); ofRunApp(new ofApp()); } |