2017年10月26日 – プログラミング de 落描き

[ Video ]

[ About ]
Box2dを使って物理演算をしています。
内部では文字列の大きさに合わせて四角を生成しています。

[ Source ]

#pragma once
#include "ofMain.h"
#include "ofxBox2d.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) {};

	ofTrueTypeFont font;
	std::string moji;

	ofxBox2d box2d;
	vector<shared_ptr<ofxBox2dRect>> rects;
	ofxBox2dEdge eage;
};

#pragma once

#include "ofMain.h"

#include "ofxBox2d.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) {};

ofTrueTypeFont font;

std::string moji;

ofxBox2d box2d;

vector<shared_ptr<ofxBox2dRect>> rects;

ofxBox2dEdge eage;

};

#include "ofApp.h"

//--------------------------------------------------------------
void ofApp::setup() {
	ofSetFrameRate(60);
	ofBackground(255);
	ofSetWindowTitle("Insta");

	ofSetColor(0);
	ofSetRectMode(ofRectMode::OF_RECTMODE_CENTER);

	this->font.loadFont("fonts/Kazesawa-Bold.ttf", 50);
	this->moji = "ABCDEFGHIJKLMNOPQRSTUVWXYZ!?";

	this->box2d.init();
	this->box2d.setGravity(0, 10);
	this->box2d.createBounds();
	this->box2d.setFPS(60);
	this->box2d.registerGrabbing();
	
	for (int i = 0; i < this->moji.size(); i++) {
		this->rects.push_back(shared_ptr<ofxBox2dRect>(new ofxBox2dRect));
		this->rects.back().get()->setPhysics(3.0, 0.2, 0.1);
		this->rects.back().get()->setup(this->box2d.getWorld(), ofRandom(ofGetWidth()), ofRandom(ofGetHeight()), this->font.stringWidth(this->moji.substr(i, 1)), this->font.stringHeight(this->moji.substr(i, 1)));
	}
	
	this->eage = ofxBox2dEdge();
	this->eage.addVertex(ofVec2f(200, ofGetHeight() / 2));
	this->eage.addVertex(ofVec2f(ofGetWidth() - 200, ofGetHeight() / 2));
	this->eage.create(this->box2d.getWorld());
}

//--------------------------------------------------------------
void ofApp::update() {
	this->box2d.update();
}

//--------------------------------------------------------------
void ofApp::draw() {
	for (int i = 0; i < this->moji.size(); i++) {
		ofPushMatrix();
		ofTranslate(this->rects[i].get()->getPosition().x, this->rects[i].get()->getPosition().y);
		ofRotate(this->rects[i].get()->getRotation());
		this->font.drawString((this->moji.substr(i, 1)), -this->font.stringWidth(this->moji.substr(i, 1)) / 2, this->font.stringHeight(this->moji.substr(i, 1)) / 2);
		ofPopMatrix();
	}
	this->eage.draw();
}

//--------------------------------------------------------------
int main() {
	ofSetupOpenGL(720, 720, OF_WINDOW);
	ofRunApp(new ofApp());
}

#include "ofApp.h"

//--------------------------------------------------------------

void ofApp::setup() {

ofSetFrameRate(60);

ofBackground(255);

ofSetWindowTitle("Insta");

ofSetColor(0);

ofSetRectMode(ofRectMode::OF_RECTMODE_CENTER);

this->font.loadFont("fonts/Kazesawa-Bold.ttf", 50);

this->moji = "ABCDEFGHIJKLMNOPQRSTUVWXYZ!?";

this->box2d.init();

this->box2d.setGravity(0, 10);

this->box2d.createBounds();

this->box2d.setFPS(60);

this->box2d.registerGrabbing();

for (int i = 0; i < this->moji.size(); i++) {

this->rects.push_back(shared_ptr<ofxBox2dRect>(new ofxBox2dRect));

this->rects.back().get()->setPhysics(3.0, 0.2, 0.1);

this->rects.back().get()->setup(this->box2d.getWorld(), ofRandom(ofGetWidth()), ofRandom(ofGetHeight()), this->font.stringWidth(this->moji.substr(i, 1)), this->font.stringHeight(this->moji.substr(i, 1)));

}

this->eage = ofxBox2dEdge();

this->eage.addVertex(ofVec2f(200, ofGetHeight() / 2));

this->eage.addVertex(ofVec2f(ofGetWidth() - 200, ofGetHeight() / 2));

this->eage.create(this->box2d.getWorld());

}

//--------------------------------------------------------------

void ofApp::update() {

this->box2d.update();

}

//--------------------------------------------------------------

void ofApp::draw() {

for (int i = 0; i < this->moji.size(); i++) {

ofPushMatrix();

ofTranslate(this->rects[i].get()->getPosition().x, this->rects[i].get()->getPosition().y);

ofRotate(this->rects[i].get()->getRotation());

this->font.drawString((this->moji.substr(i, 1)), -this->font.stringWidth(this->moji.substr(i, 1)) / 2, this->font.stringHeight(this->moji.substr(i, 1)) / 2);

ofPopMatrix();

}

this->eage.draw();

}

//--------------------------------------------------------------

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20171025

[ほしいものリスト]
Amazon

[ Sponsor Link ]

月	火	水	木	金	土	日
						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