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お互いに反発し、一定の速度の間、変化する文字。
Repelling characters.
[ Source ]
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#pragma once #include "ofMain.h" #include "ofxBox2d.h" class dCharacter { public: dCharacter() {}; void update(vector<string>& words); shared_ptr<ofxBox2dRect> rect; int index = 0; }; 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) {}; int font_size; ofTrueTypeFont font; vector<string> words; ofxBox2d box2d; vector<dCharacter> drop_char_list; }; |
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#include "ofApp.h" //-------------------------------------------------------------- void dCharacter::update(vector<string>& words) { if (ofGetFrameNum() % 5 && this->rect->getVelocity().length() > 1.5) { this->index = ofRandom(words.size()); } } //-------------------------------------------------------------- void ofApp::setup() { ofSetFrameRate(60); ofSetWindowTitle("openframeworks"); ofBackground(0); this->font_size = 25; ofTrueTypeFontSettings font_settings("fonts/msgothic.ttc", this->font_size); font_settings.antialiased = true; font_settings.addRanges(ofAlphabet::Japanese); this->font.load(font_settings); this->words = { u8"!", u8"#", u8"$", u8"%", u8"&", u8"'", u8"(", u8")", u8"*", u8"+", u8",", u8"-", u8".", u8"/", u8"0", u8"1", u8"2", u8"3", u8"4", u8"5", u8"6", u8"7", u8"8", u8"9", u8"0", u8":", u8";", u8"<", u8"=", u8">", u8"?", u8"@", u8"A", u8"B", u8"C", u8"D", u8"E", u8"F", u8"G", u8"H", u8"I", u8"J", u8"K", u8"L", u8"M", u8"N", u8"O", u8"P", u8"Q", u8"R", u8"S", u8"T", u8"U", u8"V", u8"W", u8"X", u8"Y", u8"Z", u8"a", u8"b", u8"c", u8"d", u8"e", u8"f", u8"g", u8"h", u8"i", u8"j", u8"k", u8"l", u8"m", u8"n", u8"o", u8"p", u8"q", u8"r", u8"s", u8"t", u8"u", u8"v", u8"w", u8"x", u8"y", u8"z", u8"ｱ", u8"ｲ", u8"ｳ", u8"ｴ", u8"ｵ", u8"ｶ", u8"ｷ", u8"ｸ", u8"ｹ", u8"ｺ", u8"ｻ", u8"ｼ", u8"ｽ", u8"ｾ", u8"ｿ", u8"ﾀ", u8"ﾁ", u8"ﾂ", u8"ﾃ", u8"ﾄ", u8"ﾅ", u8"ﾆ", u8"ﾇ", u8"ﾈ", u8"ﾉ", u8"ﾊ", u8"ﾋ", u8"ﾌ", u8"ﾍ", u8"ﾎ", u8"ﾏ", u8"ﾐ", u8"ﾑ", u8"ﾒ", u8"ﾓ", u8"ﾔ", u8"ﾕ", u8"ﾖ", u8"ﾗ", u8"ﾘ", u8"ﾙ", u8"ﾚ", u8"ﾛ", u8"ﾜ", u8"ｦ", u8"ﾝ", }; this->box2d.init(); this->box2d.setGravity(0, 0); this->box2d.createBounds(); this->box2d.setFPS(60); this->box2d.registerGrabbing(); for (int i = 0; i < 135; i++) { auto rect = make_shared<ofxBox2dRect>(); rect->setPhysics(1.0, 0.63, 0.1); rect->setup(this->box2d.getWorld(), ofRandom(ofGetWidth()), ofRandom(ofGetHeight()), this->font_size, this->font_size); auto drop_char = dCharacter(); drop_char.rect = rect; drop_char.index = ofRandom(this->words.size()); this->drop_char_list.push_back(drop_char); } } //-------------------------------------------------------------- void ofApp::update() { for (int i = 0; i < this->drop_char_list.size(); i++) { for (int k = i + 1; k < this->drop_char_list.size(); k++) { float distance = this->drop_char_list[i].rect->getPosition().distance(this->drop_char_list[k].rect->getPosition()); if (distance < 30) { this->drop_char_list[i].rect->addForce(this->drop_char_list[i].rect->getPosition() - this->drop_char_list[k].rect->getPosition(), 2.5); this->drop_char_list[k].rect->addForce(this->drop_char_list[k].rect->getPosition() - this->drop_char_list[i].rect->getPosition(), 2.5); } } } for (auto& drop_char : this->drop_char_list) { drop_char.update(this->words); } this->box2d.update(); } //-------------------------------------------------------------- void ofApp::draw() { for (auto& drop_char : this->drop_char_list) { ofPushMatrix(); ofTranslate(drop_char.rect->getPosition().x, drop_char.rect->getPosition().y); ofRotate(drop_char.rect->getRotation()); drop_char.rect->getVelocity().length() > 1.5 ? ofSetColor(239) : ofSetColor(89, 239, 89); this->font.drawString(this->words[drop_char.index], -10.5, 10); ofPopMatrix(); } } //-------------------------------------------------------------- int main() { ofSetupOpenGL(720, 720, OF_WINDOW); ofRunApp(new ofApp()); } |