image – ページ 9 – プログラミング de 落描き

2017年12月23日2017年12月22日

Insta20171222

[ Video ]

[ About ]
日の丸。
Japanise flag.

[ Source ]

#pragma once
#include "ofMain.h"
#include "ofFbo.h"
#include "Particle.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) {};
	
	ofImage photo;
	ofFbo fbo;
	vector<shared_ptr<Particle>> particles;
};

#pragma once

#include "ofMain.h"

#include "ofFbo.h"

#include "Particle.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) {};

ofImage photo;

ofFbo fbo;

vector<shared_ptr<Particle>> particles;

};

#include "ofApp.h"

//--------------------------------------------------------------
void ofApp::setup() {
	ofSetFrameRate(30);
	ofBackground(0);
	ofSetWindowTitle("Insta");

	ofEnableBlendMode(ofBlendMode::OF_BLENDMODE_ADD);
	ofSetLineWidth(2);
	this->photo.loadImage("photo.png");

	for (int i = 0; i < 512 + 256; i++) {
		this->particles.push_back(shared_ptr<Particle>(new Particle()));
	}

	this->fbo.allocate(ofGetWidth(), ofGetHeight());
}

//--------------------------------------------------------------
void ofApp::update() {
	ofPixels pixels = this->photo.getPixelsRef();
	ofColor pixel_color;

	for (int i = 0; i < this->particles.size(); i++) {
		this->particles[i]->update();
	}

	this->fbo.begin();
	if (ofGetMousePressed()) {
		ofClear(0);
	}

	for (int i = 0; i < this->particles.size(); i++) {
		vector<ofVec2f> near_point;
		pixel_color = pixels.getColor(this->particles[i]->get_location().x, this->particles[i]->get_location().y);
		if (pixel_color == ofColor(0, 0, 0, 0)) {
			pixel_color = ofColor(255);
		}
		ofSetColor(pixel_color, 128);
		for (int j = i + 1; j < this->particles.size(); j++) {
			if (this->particles[i]->get_location().distanceSquared(this->particles[j]->get_location()) < 1000) {
				near_point.push_back(this->particles[j]->get_location());
				//ofDrawLine(this->particles[i]->get_location(), this->particles[j]->get_location());
			}
		}

		if (near_point.size() > 2) {
			ofBeginShape();
			for (int k = 0; k < near_point.size(); k++) {
				ofVertex(near_point[k].x, near_point[k].y);
			}
			ofEndShape(true);
		}
	}

	this->fbo.end();
}

//--------------------------------------------------------------
void ofApp::draw() {
	this->fbo.draw(0, 0);
}

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

#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(30);

ofBackground(0);

ofSetWindowTitle("Insta");

ofEnableBlendMode(ofBlendMode::OF_BLENDMODE_ADD);

ofSetLineWidth(2);

this->photo.loadImage("photo.png");

for (int i = 0; i < 512 + 256; i++) {

this->particles.push_back(shared_ptr<Particle>(new Particle()));

}

this->fbo.allocate(ofGetWidth(), ofGetHeight());

}

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

void ofApp::update() {

ofPixels pixels = this->photo.getPixelsRef();

ofColor pixel_color;

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

this->particles[i]->update();

}

this->fbo.begin();

if (ofGetMousePressed()) {

ofClear(0);

}

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

vector<ofVec2f> near_point;

pixel_color = pixels.getColor(this->particles[i]->get_location().x, this->particles[i]->get_location().y);

if (pixel_color == ofColor(0, 0, 0, 0)) {

pixel_color = ofColor(255);

}

ofSetColor(pixel_color, 128);

for (int j = i + 1; j < this->particles.size(); j++) {

if (this->particles[i]->get_location().distanceSquared(this->particles[j]->get_location()) < 1000) {

near_point.push_back(this->particles[j]->get_location());

//ofDrawLine(this->particles[i]->get_location(), this->particles[j]->get_location());

}

if (near_point.size() > 2) {

ofBeginShape();

for (int k = 0; k < near_point.size(); k++) {

ofVertex(near_point[k].x, near_point[k].y);

}

ofEndShape(true);

}

this->fbo.end();

}

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

void ofApp::draw() {

this->fbo.draw(0, 0);

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

#pragma once
#include "ofMain.h"

class Particle
{
public:
	Particle();
	~Particle() {};

	void apply_force(ofVec2f force);
	void update();
	void draw();
	
	ofVec2f get_location();
private:
	ofVec2f location;
	ofVec2f velocity;
	ofVec2f acceleration;
};

#pragma once

#include "ofMain.h"

class Particle

{

public:

Particle();

~Particle() {};

void apply_force(ofVec2f force);

void update();

void draw();

ofVec2f get_location();

private:

ofVec2f location;

ofVec2f velocity;

ofVec2f acceleration;

};

#include "Particle.h"

Particle::Particle() {
	this->location = ofVec2f(ofRandom(ofGetWidth()), ofRandom(ofGetHeight()));
	this->velocity = ofVec2f(ofRandom(-3, 3), ofRandom(-3, 3));
	this->acceleration = ofVec2f();
}

void Particle::apply_force(ofVec2f force) {
	this->acceleration += force;
}

void Particle::update() {
	this->acceleration += this->velocity;
	this->location += this->acceleration;
	this->acceleration *= 0;

	if (this->location.x < 0) {
		this->location.x = 0;
		this->velocity.x *= -1;
	}
	else if (this->location.x > ofGetWidth()) {
		this->location.x = ofGetWidth();
		this->velocity.x *= -1;
	}

	if (this->location.y < 0) {
		this->location.y = 0;
		this->velocity.y *= -1;
	}
	else if (this->location.y > ofGetHeight()) {
		this->location.y = ofGetHeight();
		this->velocity.y *= -1;
	}
}

void Particle::draw() {

}

ofVec2f Particle::get_location() {
	return this->location;
}

#include "Particle.h"

Particle::Particle() {

this->location = ofVec2f(ofRandom(ofGetWidth()), ofRandom(ofGetHeight()));

this->velocity = ofVec2f(ofRandom(-3, 3), ofRandom(-3, 3));

this->acceleration = ofVec2f();

}

void Particle::apply_force(ofVec2f force) {

this->acceleration += force;

}

void Particle::update() {

this->acceleration += this->velocity;

this->location += this->acceleration;

this->acceleration *= 0;

if (this->location.x < 0) {

this->location.x = 0;

this->velocity.x *= -1;

}

else if (this->location.x > ofGetWidth()) {

this->location.x = ofGetWidth();

this->velocity.x *= -1;

}

if (this->location.y < 0) {

this->location.y = 0;

this->velocity.y *= -1;

}

else if (this->location.y > ofGetHeight()) {

this->location.y = ofGetHeight();

this->velocity.y *= -1;

}

void Particle::draw() {

}

ofVec2f Particle::get_location() {

return this->location;

}

[ Link ]
https://github.com/junkiyoshi/Insta20171222

[ほしいものリスト]
Amazon

[ Sponsor Link ]

2017年12月16日2017年12月15日

Insta20171215

[ Video ]

[ About ]
Instagramへの連続投稿365日達成しました(たぶん)
365 day continuous uploaded.

[ Source ]

#pragma once
#include "ofMain.h"

class Particle
{
public:
	Particle();
	~Particle() {};

	void apply_force(ofVec2f force);
	void update();
	void draw(vector<shared_ptr<Particle>> particles);
	
	void set_color(ofColor body_color);
	ofVec2f get_location();
	ofColor get_body_color();
	
private:
	ofVec2f location;
	ofVec2f velocity;
	ofVec2f acceleration;
	ofColor body_color;
};

#pragma once

#include "ofMain.h"

class Particle

{

public:

Particle();

~Particle() {};

void apply_force(ofVec2f force);

void update();

void draw(vector<shared_ptr<Particle>> particles);

void set_color(ofColor body_color);

ofVec2f get_location();

ofColor get_body_color();

private:

ofVec2f location;

ofVec2f velocity;

ofVec2f acceleration;

ofColor body_color;

};

#include "Particle.h"

Particle::Particle() {
	this->location = ofVec2f(ofRandom(ofGetWidth()), ofRandom(ofGetHeight()));
	this->velocity = ofVec2f(ofRandom(-3, 3), ofRandom(-3, 3));
	this->acceleration = ofVec2f();
}

void Particle::apply_force(ofVec2f force) {
	this->acceleration += force;
}

void Particle::update() {
	this->acceleration += this->velocity;
	this->location += this->acceleration;
	this->acceleration *= 0;

	if (this->location.x < 0) {
		this->location.x = 0;
		this->velocity.x *= -1;
	}
	else if (this->location.x > ofGetWidth()) {
		this->location.x = ofGetWidth();
		this->velocity.x *= -1;
	}

	if (this->location.y < 0) {
		this->location.y = 0;
		this->velocity.y *= -1;
	}
	else if (this->location.y > ofGetHeight()) {
		this->location.y = ofGetHeight();
		this->velocity.y *= -1;
	}
}

void Particle::draw(vector<shared_ptr<Particle>> particles) {
	
	if (this->body_color != ofColor(0, 0, 0, 0)) {
		ofSetColor(this->body_color, 128);

		float distance;
		vector<ofVec2f> near_point;
		for (int i = 0; i < particles.size(); i++) {
			distance = this->location.squareDistance(particles[i]->get_location());
			if (distance > 0 && distance < 1000) {
				if (particles[i]->get_body_color() != ofColor(0, 0, 0)) {
					near_point.push_back(particles[i]->get_location());
				}
			}
		}

		if (near_point.size() < 2) {
			return;
		}
		ofBeginShape();
		for (int i = 0; i < near_point.size(); i++) {
			ofVertex(near_point[i].x, near_point[i].y);
		}
		ofEndShape(true);
	}
}

void Particle::set_color(ofColor body_color) {
	this->body_color = body_color;
}

ofVec2f Particle::get_location() {
	return this->location;
}

ofColor Particle::get_body_color() {
	return this->body_color;
}

#include "Particle.h"

Particle::Particle() {

this->location = ofVec2f(ofRandom(ofGetWidth()), ofRandom(ofGetHeight()));

this->velocity = ofVec2f(ofRandom(-3, 3), ofRandom(-3, 3));

this->acceleration = ofVec2f();

}

void Particle::apply_force(ofVec2f force) {

this->acceleration += force;

}

void Particle::update() {

this->acceleration += this->velocity;

this->location += this->acceleration;

this->acceleration *= 0;

if (this->location.x < 0) {

this->location.x = 0;

this->velocity.x *= -1;

}

else if (this->location.x > ofGetWidth()) {

this->location.x = ofGetWidth();

this->velocity.x *= -1;

}

if (this->location.y < 0) {

this->location.y = 0;

this->velocity.y *= -1;

}

else if (this->location.y > ofGetHeight()) {

this->location.y = ofGetHeight();

this->velocity.y *= -1;

}

void Particle::draw(vector<shared_ptr<Particle>> particles) {

if (this->body_color != ofColor(0, 0, 0, 0)) {

ofSetColor(this->body_color, 128);

float distance;

vector<ofVec2f> near_point;

for (int i = 0; i < particles.size(); i++) {

distance = this->location.squareDistance(particles[i]->get_location());

if (distance > 0 && distance < 1000) {

if (particles[i]->get_body_color() != ofColor(0, 0, 0)) {

near_point.push_back(particles[i]->get_location());

}

if (near_point.size() < 2) {

return;

}

ofBeginShape();

for (int i = 0; i < near_point.size(); i++) {

ofVertex(near_point[i].x, near_point[i].y);

}

ofEndShape(true);

}

void Particle::set_color(ofColor body_color) {

this->body_color = body_color;

}

ofVec2f Particle::get_location() {

return this->location;

}

ofColor Particle::get_body_color() {

return this->body_color;

}

#pragma once
#include "ofMain.h"
#include "ofFbo.h"
#include "Particle.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) {};
	
	ofImage photo;
	ofFbo fbo;
	vector<shared_ptr<Particle>> particles;
};

#pragma once

#include "ofMain.h"

#include "ofFbo.h"

#include "Particle.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) {};

ofImage photo;

ofFbo fbo;

vector<shared_ptr<Particle>> particles;

};

#include "ofApp.h"

//--------------------------------------------------------------
void ofApp::setup() {
	ofSetFrameRate(30);
	ofBackground(0);
	ofSetWindowTitle("Insta");

	ofEnableBlendMode(ofBlendMode::OF_BLENDMODE_ADD);

	this->photo.loadImage("photo2.png");

	for (int i = 0; i < 2048; i++) {
		this->particles.push_back(shared_ptr<Particle>(new Particle()));
	}

	this->fbo.allocate(720, 720);

}

//--------------------------------------------------------------
void ofApp::update() {
	ofPixels pixels = this->photo.getPixelsRef();
	ofColor pixel_color;

	for (int i = 0; i < this->particles.size(); i++) {
		this->particles[i]->update();
	}

	this->fbo.begin();
	ofClear(0);

	for (int i = 0; i < this->particles.size(); i++) {
		pixel_color = pixels.getColor(this->particles[i]->get_location().x, this->particles[i]->get_location().y);
		this->particles[i]->set_color(pixel_color);
		if (pixel_color != ofColor(0, 0, 0, 0)) {
			this->particles[i]->draw(this->particles);

		}
	}
	this->fbo.end();
}

//--------------------------------------------------------------
void ofApp::draw() {
	this->fbo.draw(0, 0);
}

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

#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(30);

ofBackground(0);

ofSetWindowTitle("Insta");

ofEnableBlendMode(ofBlendMode::OF_BLENDMODE_ADD);

this->photo.loadImage("photo2.png");

for (int i = 0; i < 2048; i++) {

this->particles.push_back(shared_ptr<Particle>(new Particle()));

}

this->fbo.allocate(720, 720);

}

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

void ofApp::update() {

ofPixels pixels = this->photo.getPixelsRef();

ofColor pixel_color;

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

this->particles[i]->update();

}

this->fbo.begin();

ofClear(0);

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

pixel_color = pixels.getColor(this->particles[i]->get_location().x, this->particles[i]->get_location().y);

this->particles[i]->set_color(pixel_color);

if (pixel_color != ofColor(0, 0, 0, 0)) {

this->particles[i]->draw(this->particles);

}

this->fbo.end();

}

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

void ofApp::draw() {

this->fbo.draw(0, 0);

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20171215

[ほしいものリスト]
Amazon

[ Sponsor Link ]

2017年12月12日2017年12月11日

Insta20171211

[ Video ]

[ About ]
ドクターストレンジを見て、劇中のワープゲイトが作りたかった。
これじゃない感が凄い…けど、色々と頑張った。

Inspire from Dr.Strange.

[ Source ]

#pragma once
#include "ofMain.h"
#include "ofFbo.h"
#include "ofxBox2d.h"

#include "opencv2/opencv.hpp"

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) {};

	ofxBox2d box2d;

	ofFbo fbo;
	ofFbo mask;
	ofImage frame_img;
	
	int deg_max;

	vector<shared_ptr<ofxBox2dCircle>> circles;
	vector<ofColor> circles_color;
	vector<float> circles_life;

	cv::Mat frame;
	cv::VideoCapture cap;
};

#pragma once

#include "ofMain.h"

#include "ofFbo.h"

#include "ofxBox2d.h"

#include "opencv2/opencv.hpp"

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) {};

ofxBox2d box2d;

ofFbo fbo;

ofFbo mask;

ofImage frame_img;

int deg_max;

vector<shared_ptr<ofxBox2dCircle>> circles;

vector<ofColor> circles_color;

vector<float> circles_life;

cv::Mat frame;

cv::VideoCapture cap;

};

#include "ofApp.h"

//--------------------------------------------------------------
void ofApp::setup() {
	ofSetFrameRate(60);
	ofBackground(0);
	ofSetWindowTitle("Insta");

	ofSetCircleResolution(60);
	ofSetLineWidth(2.5);
	ofEnableBlendMode(ofBlendMode::OF_BLENDMODE_ADD);

	this->box2d.init();
	this->box2d.setGravity(0, 5);
	//this->box2d.createGround(ofVec2f(0, ofGetWidth()), ofVec2f(ofGetWidth(), ofGetHeight()));
	this->box2d.createBounds();
	this->box2d.setFPS(60);
	this->box2d.registerGrabbing();

	this->cap = cv::VideoCapture("move.mp4");
	this->frame_img.allocate(this->cap.get(CV_CAP_PROP_FRAME_WIDTH), this->cap.get(CV_CAP_PROP_FRAME_HEIGHT), OF_IMAGE_COLOR);
	this->frame = cv::Mat(this->frame_img.getHeight(), this->frame_img.getWidth(), CV_MAKETYPE(CV_8UC3, this->frame_img.getPixels().getNumChannels()), this->frame_img.getPixels().getData(), 0);

	this->mask.allocate(this->frame_img.getWidth(), this->frame_img.getHeight(), GL_RGB);
	this->mask.begin();
	ofFill();
	ofColor(255);
	ofDrawCircle(ofGetWidth() / 2, ofGetHeight() / 3 * 2 - 190, 145);
	this->mask.end();

	this->fbo.allocate(ofGetWidth(), ofGetHeight());
	this->deg_max = 0;
}

//--------------------------------------------------------------
void ofApp::update() {

	if (ofGetFrameNum() % 4 == 0 && !ofGetMousePressed()){
		float radius = 145;
		float power = 150;
		float tmp_deg = 0;

		for (int deg = 0; deg < this->deg_max; deg += 8) {
			tmp_deg = deg + ofGetFrameNum() * 3;

			this->circles.push_back(shared_ptr<ofxBox2dCircle>(new ofxBox2dCircle));
			this->circles.back().get()->setPhysics(3.0, 0.53, 0.1);
			this->circles.back().get()->setup(this->box2d.getWorld(), radius * cos(tmp_deg * DEG_TO_RAD) + ofGetWidth() / 2, radius * sin(tmp_deg * DEG_TO_RAD) + ofGetHeight() / 3 * 2, 3);
			this->circles.back().get()->addForce(ofVec2f(power * cos((tmp_deg + 270)  * DEG_TO_RAD), power * sin((tmp_deg + 270) * DEG_TO_RAD)), 1.0);

			ofColor color = ofColor(255, 255, 0);
			this->circles_color.push_back(color);

			this->circles_life.push_back(255);
		}

		if (this->deg_max < 340) {
			this->deg_max += 5;
		}
	}
	
	if(ofGetMousePressed() && this->deg_max >= 0){
		this->deg_max -= 3;
		if (this->deg_max < 280){
			this->deg_max = 0;
		}
	}

	for (int i = 0; i < this->circles.size(); i++) {
		if (this->circles_life[i] < 0) {
			this->circles[i].get()->destroy();
			this->circles.erase(this->circles.begin() + i);
			this->circles_color.erase(this->circles_color.begin() + i);
			this->circles_life.erase(this->circles_life.begin() + i);
		}
	}

	this->box2d.update();

	this->fbo.begin();
	ofFill();
	ofClear(0);

	if (this->deg_max > 280) {
		this->cap >> this->frame;
		if (this->frame.empty()) {
			this->cap.set(cv::CAP_PROP_POS_FRAMES, 0);
			this->frame = cv::Mat(this->frame_img.getHeight(), this->frame_img.getWidth(), CV_MAKETYPE(CV_8UC3, this->frame_img.getPixels().getNumChannels()), this->frame_img.getPixels().getData(), 0);
			this->cap >> this->frame;
		}
	
		cv::cvtColor(this->frame, this->frame, CV_RGB2BGR);
		ofSetColor(255, ofMap(this->deg_max, 280, 300, 0, 128));
		this->frame_img.update();
		this->frame_img.getTextureReference().setAlphaMask(this->mask.getTexture());
		this->frame_img.draw(0, 190);

	}

	for (int i = 0; i < this->circles.size(); i++) {
		ofSetColor(this->circles_color[i], this->circles_life[i] + 128);
		//ofDrawCircle(this->circles[i].get()->getPosition(), 3);
		ofDrawLine(this->circles[i].get()->getPosition(), this->circles[i].get()->getPosition() - this->circles[i].get()->getVelocity());

		this->circles_life[i] -= 10.f;
	}

	this->fbo.end();
}

//--------------------------------------------------------------
void ofApp::draw() {
	this->fbo.draw(0, 0);
}

//--------------------------------------------------------------
int main() {
	ofSetupOpenGL(512, 512, OF_WINDOW);
	ofRunApp(new ofApp());
}

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#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(60);

ofBackground(0);

ofSetWindowTitle("Insta");

ofSetCircleResolution(60);

ofSetLineWidth(2.5);

ofEnableBlendMode(ofBlendMode::OF_BLENDMODE_ADD);

this->box2d.init();

this->box2d.setGravity(0, 5);

//this->box2d.createGround(ofVec2f(0, ofGetWidth()), ofVec2f(ofGetWidth(), ofGetHeight()));

this->box2d.createBounds();

this->box2d.setFPS(60);

this->box2d.registerGrabbing();

this->cap = cv::VideoCapture("move.mp4");

this->frame_img.allocate(this->cap.get(CV_CAP_PROP_FRAME_WIDTH), this->cap.get(CV_CAP_PROP_FRAME_HEIGHT), OF_IMAGE_COLOR);

this->frame = cv::Mat(this->frame_img.getHeight(), this->frame_img.getWidth(), CV_MAKETYPE(CV_8UC3, this->frame_img.getPixels().getNumChannels()), this->frame_img.getPixels().getData(), 0);

this->mask.allocate(this->frame_img.getWidth(), this->frame_img.getHeight(), GL_RGB);

this->mask.begin();

ofFill();

ofColor(255);

ofDrawCircle(ofGetWidth() / 2, ofGetHeight() / 3 * 2 - 190, 145);

this->mask.end();

this->fbo.allocate(ofGetWidth(), ofGetHeight());

this->deg_max = 0;

}

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

void ofApp::update() {

if (ofGetFrameNum() % 4 == 0 && !ofGetMousePressed()){

float radius = 145;

float power = 150;

float tmp_deg = 0;

for (int deg = 0; deg < this->deg_max; deg += 8) {

tmp_deg = deg + ofGetFrameNum() * 3;

this->circles.push_back(shared_ptr<ofxBox2dCircle>(new ofxBox2dCircle));

this->circles.back().get()->setPhysics(3.0, 0.53, 0.1);

this->circles.back().get()->setup(this->box2d.getWorld(), radius * cos(tmp_deg * DEG_TO_RAD) + ofGetWidth() / 2, radius * sin(tmp_deg * DEG_TO_RAD) + ofGetHeight() / 3 * 2, 3);

this->circles.back().get()->addForce(ofVec2f(power * cos((tmp_deg + 270) * DEG_TO_RAD), power * sin((tmp_deg + 270) * DEG_TO_RAD)), 1.0);

ofColor color = ofColor(255, 255, 0);

this->circles_color.push_back(color);

this->circles_life.push_back(255);

}

if (this->deg_max < 340) {

this->deg_max += 5;

}

if(ofGetMousePressed() && this->deg_max >= 0){

this->deg_max -= 3;

if (this->deg_max < 280){

this->deg_max = 0;

}

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

if (this->circles_life[i] < 0) {

this->circles[i].get()->destroy();

this->circles.erase(this->circles.begin() + i);

this->circles_color.erase(this->circles_color.begin() + i);

this->circles_life.erase(this->circles_life.begin() + i);

}

this->box2d.update();

this->fbo.begin();

ofFill();

ofClear(0);

if (this->deg_max > 280) {

this->cap >> this->frame;

if (this->frame.empty()) {

this->cap.set(cv::CAP_PROP_POS_FRAMES, 0);

this->frame = cv::Mat(this->frame_img.getHeight(), this->frame_img.getWidth(), CV_MAKETYPE(CV_8UC3, this->frame_img.getPixels().getNumChannels()), this->frame_img.getPixels().getData(), 0);

this->cap >> this->frame;

}

cv::cvtColor(this->frame, this->frame, CV_RGB2BGR);

ofSetColor(255, ofMap(this->deg_max, 280, 300, 0, 128));

this->frame_img.update();

this->frame_img.getTextureReference().setAlphaMask(this->mask.getTexture());

this->frame_img.draw(0, 190);

}

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

ofSetColor(this->circles_color[i], this->circles_life[i] + 128);

//ofDrawCircle(this->circles[i].get()->getPosition(), 3);

ofDrawLine(this->circles[i].get()->getPosition(), this->circles[i].get()->getPosition() - this->circles[i].get()->getVelocity());

this->circles_life[i] -= 10.f;

}

this->fbo.end();

}

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

void ofApp::draw() {

this->fbo.draw(0, 0);

}

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

int main() {

ofSetupOpenGL(512, 512, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20171211

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