#include "ofApp.h"
//--------------------------------------------------------------
void ofApp::setup() {
ofSetFrameRate(60);
ofSetWindowTitle("openFrameworks");
ofBackground(239);
ofSetColor(39);
this->font.loadFont("fonts/Kazesawa-Bold.ttf", 100, true, true, true);
this->box2d.init();
this->box2d.setGravity(0, 50);
this->box2d.createBounds();
this->box2d.setFPS(60);
this->box2d.registerGrabbing();
}
//--------------------------------------------------------------
void ofApp::update() {
for (int i = this->circle_list.size() - 1; i > -1; i--) {
this->life_list[i] -= 1;
if (this->life_list[i] < 0) {
this->circle_list.erase(this->circle_list.begin() + i);
this->radius_list.erase(this->radius_list.begin() + i);
this->life_list.erase(this->life_list.begin() + i);
}
}
for(int i = 0; i < 3; i++) {
auto radius = ofRandom(1, 3);
auto circle = make_shared<ofxBox2dCircle>();
circle->setPhysics(0.5, 0.03, 0.1);
circle->setup(this->box2d.getWorld(), ofRandom(ofGetWidth() * 0.5 - radius, ofGetWidth() * 0.5 + radius), 100 + radius, radius);
circle->setRotation(ofRandom(360));
this->circle_list.push_back(circle);
this->radius_list.push_back(radius);
this->life_list.push_back(400);
}
this->box2d.update();
}
//--------------------------------------------------------------
void ofApp::draw() {
string word = "PCD 2021";
this->font.drawStringAsShapes(word, ofGetWidth() * 0.5 + this->font.stringWidth(word) * -0.5, ofGetHeight() * 0.5 + this->font.stringHeight(word) * 0.5);
for (int i = 0; i < this->circle_list.size(); i++) {
ofDrawCircle(glm::vec2(this->circle_list[i]->getPosition()), this->radius_list[i]);
}
}
//--------------------------------------------------------------
int main() {
ofSetupOpenGL(720, 720, OF_WINDOW);
ofRunApp(new ofApp());
}