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物理計算はofxBox2dで計算する。
速度を持っている間は文字が切り替わって、静止中は切り替わらない。
Physics calculations are done in ofxBox2d.
The character switches while it has speed, and does not switch while at rest.
半角カナを追加するには → https://junkiyoshi.com/openframeworks20210809/
Box2Dを動かすには → https://qiita.com/junkiyoshi/items/68e602568a0c94840bec
[ 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(239); ofSetColor(39); this->font_size = 20; 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, 15); this->box2d.createBounds(); this->box2d.setFPS(60); this->box2d.registerGrabbing(); } //-------------------------------------------------------------- void ofApp::update() { if (ofRandom(100) < 35) { auto rect = make_shared<ofxBox2dRect>(); rect->setPhysics(1.0, 0.3, 0.3); rect->setup(this->box2d.getWorld(), ofRandom(ofGetWidth() * 0.5 - 25, ofGetWidth() * 0.5 + 25), 25, 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); } 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()); this->font.drawString(this->words[drop_char.index], -5, 10); ofPopMatrix(); } } //-------------------------------------------------------------- int main() { ofSetupOpenGL(720, 720, OF_WINDOW); ofRunApp(new ofApp()); } |
[ Link ]
https://github.com/junkiyoshi/Insta20210828
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