circle – ページ 145 – プログラミング de 落描き

2017年10月27日

Insta20171026

[ Video ]

[ About ]
指の動きに反応してPaticleが生成されます。

particle creation by finger velocity.

[ Source ]

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

// Leap Motion SDK
#include "Leap.h"
#pragma comment(lib, "Leap.lib")

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) {};

	ofEasyCam cam;

	// Box2d
	ofxBox2d box2d;
	vector<shared_ptr<ofxBox2dCircle>> circles;
	vector<ofColor> circles_color;
	vector<float> circles_life;

	// Leap Motion
	Leap::Controller leap;
};

#pragma once

#include "ofMain.h"

#include "ofxBox2d.h"

// Leap Motion SDK

#include "Leap.h"

#pragma comment(lib, "Leap.lib")

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) {};

ofEasyCam cam;

// Box2d

ofxBox2d box2d;

vector<shared_ptr<ofxBox2dCircle>> circles;

vector<ofColor> circles_color;

vector<float> circles_life;

// Leap Motion

Leap::Controller leap;

};

#include "ofApp.h"

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

	ofSetCircleResolution(60);

	this->box2d.init();
	this->box2d.setGravity(0, 0);
	this->box2d.createBounds();
	this->box2d.setFPS(60);
	this->box2d.registerGrabbing();
}

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

	Leap::Frame frame = leap.frame();
	for (Leap::Hand hand : frame.hands()) {
		for (Leap::Finger finger : hand.fingers()) {
			ofVec2f velocity = ofVec2f(finger.tipVelocity().x, -finger.tipVelocity().y);
			if (velocity.length() > 250) {
				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(), finger.tipPosition().x + ofGetWidth() / 2, ofGetHeight() / 2 - finger.tipPosition().y, 8);
				this->circles.back().get()->addForce(velocity, 1.0);

				ofColor line_color;
				line_color.setHsb(ofGetFrameNum() % 255, 255, 255);
				this->circles_color.push_back(line_color);

				this->circles_life.push_back(255);
			}
		}
	}

	this->box2d.update();

	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);
		}
	}
}

//--------------------------------------------------------------
void ofApp::draw() {
	ofFill();

	for (int i = 0; i < this->circles.size(); i++) {
		ofSetColor(this->circles_color[i], this->circles_life[i]);
		ofDrawCircle(this->circles[i].get()->getPosition(), 8);
		this->circles_life[i] -= 2.f;
	}
}

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

#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(60);

ofBackground(0);

ofSetWindowTitle("Insta");

ofSetCircleResolution(60);

this->box2d.init();

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

this->box2d.createBounds();

this->box2d.setFPS(60);

this->box2d.registerGrabbing();

}

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

void ofApp::update() {

Leap::Frame frame = leap.frame();

for (Leap::Hand hand : frame.hands()) {

for (Leap::Finger finger : hand.fingers()) {

ofVec2f velocity = ofVec2f(finger.tipVelocity().x, -finger.tipVelocity().y);

if (velocity.length() > 250) {

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(), finger.tipPosition().x + ofGetWidth() / 2, ofGetHeight() / 2 - finger.tipPosition().y, 8);

this->circles.back().get()->addForce(velocity, 1.0);

ofColor line_color;

line_color.setHsb(ofGetFrameNum() % 255, 255, 255);

this->circles_color.push_back(line_color);

this->circles_life.push_back(255);

}

this->box2d.update();

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);

}

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

void ofApp::draw() {

ofFill();

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

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

ofDrawCircle(this->circles[i].get()->getPosition(), 8);

this->circles_life[i] -= 2.f;

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20171026.git

[ほしいものリスト]
Amazon

[ Sponsor Link ]

2017年10月24日

Insta20171023

[ Video ]

[ About ]
SurfacePen(mouse)の加速度がオブジェクトに反映されます。

[ 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) {};

	ofEasyCam cam;
	
	ofxBox2d box2d;

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

#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) {};

ofEasyCam cam;

ofxBox2d box2d;

vector<shared_ptr<ofxBox2dCircle>> circles;

vector<ofColor> circles_color;

vector<float> circles_life;

};

#include "ofApp.h"

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

	ofSetCircleResolution(60);

	this->box2d.init();
	this->box2d.setGravity(0, 0);
	this->box2d.createBounds();
	this->box2d.setFPS(60);
	this->box2d.registerGrabbing();
}

//--------------------------------------------------------------
void ofApp::update() {
	if (ofGetMousePressed()) {
		ofVec2f mouse_position = ofVec2f(ofGetMouseX(), ofGetMouseY());
		ofVec2f prev_mouse_position = ofVec2f(ofGetPreviousMouseX(), ofGetPreviousMouseY());
		ofVec2f difference = mouse_position - prev_mouse_position;

		for (int i = 0; i < 10; i++) {
			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(), mouse_position.x, mouse_position.y, 5);
			this->circles.back().get()->addForce(difference, 20.0);

			ofColor line_color;
			line_color.setHsb(ofGetFrameNum() % 255, 255, 255);
			this->circles_color.push_back(line_color);

			this->circles_life.push_back(255);
		}
	}

	this->box2d.update();

	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);
		}
	}
}

//--------------------------------------------------------------
void ofApp::draw() {
	ofFill();

	for (int i = 0; i < this->circles.size(); i++) {
		ofSetColor(this->circles_color[i], this->circles_life[i]);
		//this->circles[i].get()->draw();
		ofDrawCircle(this->circles[i].get()->getPosition(), 5);
		this->circles_life[i] -= 1.5f;
	}
}

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

#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(60);

ofBackground(0);

ofSetWindowTitle("Insta");

ofSetCircleResolution(60);

this->box2d.init();

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

this->box2d.createBounds();

this->box2d.setFPS(60);

this->box2d.registerGrabbing();

}

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

void ofApp::update() {

if (ofGetMousePressed()) {

ofVec2f mouse_position = ofVec2f(ofGetMouseX(), ofGetMouseY());

ofVec2f prev_mouse_position = ofVec2f(ofGetPreviousMouseX(), ofGetPreviousMouseY());

ofVec2f difference = mouse_position - prev_mouse_position;

for (int i = 0; i < 10; i++) {

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(), mouse_position.x, mouse_position.y, 5);

this->circles.back().get()->addForce(difference, 20.0);

ofColor line_color;

line_color.setHsb(ofGetFrameNum() % 255, 255, 255);

this->circles_color.push_back(line_color);

this->circles_life.push_back(255);

}

this->box2d.update();

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);

}

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

void ofApp::draw() {

ofFill();

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

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

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

ofDrawCircle(this->circles[i].get()->getPosition(), 5);

this->circles_life[i] -= 1.5f;

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20171023

[ほしいものリスト]
Amazon

[ Sponsor Link ]

2017年10月22日

Insta20171021

[ Video ]

[ About ]
Particleをsin関数で移動させています

[ Source ]

#pragma once
#include "ofMain.h"
#include "Particle.h"

class ofApp : public ofBaseApp {
public:
	~ofApp();

	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) {};

	ofEasyCam cam;
	vector<Particle*> particles;
};

#pragma once

#include "ofMain.h"

#include "Particle.h"

class ofApp : public ofBaseApp {

public:

~ofApp();

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) {};

ofEasyCam cam;

vector<Particle*> particles;

};

#include "ofApp.h"

//--------------------------------------------------------------
ofApp::~ofApp() {
	for (int i = this->particles.size() - 1; i > -1; i--) {
		delete this->particles[i];
		this->particles.erase(this->particles.begin() + i);
	}
}

//--------------------------------------------------------------
void ofApp::setup() {
	ofSetFrameRate(30);
	ofBackground(255);
	ofSetWindowTitle("Insta");

	ofEnableSmoothing();
	ofEnableBlendMode(ofBlendMode::OF_BLENDMODE_ADD);

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

//--------------------------------------------------------------
void ofApp::update() {
	for (Particle* p : this->particles) {
		p->update();
	}
}

//--------------------------------------------------------------
void ofApp::draw() {
	ofBackground(0);

	this->cam.begin();

	for (Particle* p : this->particles) {
		p->draw();
	}

	this->cam.end();
}

//--------------------------------------------------------------
int main() {
	ofSetupOpenGL(1920, 1080, OF_WINDOW);
	ofRunApp(new ofApp());
}

#include "ofApp.h"

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

ofApp::~ofApp() {

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

delete this->particles[i];

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

}

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

void ofApp::setup() {

ofSetFrameRate(30);

ofBackground(255);

ofSetWindowTitle("Insta");

ofEnableSmoothing();

ofEnableBlendMode(ofBlendMode::OF_BLENDMODE_ADD);

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

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

}

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

void ofApp::update() {

for (Particle* p : this->particles) {

p->update();

}

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

void ofApp::draw() {

ofBackground(0);

this->cam.begin();

for (Particle* p : this->particles) {

p->draw();

}

this->cam.end();

}

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

int main() {

ofSetupOpenGL(1920, 1080, OF_WINDOW);

ofRunApp(new ofApp());

}

#include "ofMain.h"

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

	void update();
	void draw();

private:
	ofVec2f location;
	float	step;

	float	body_size;
	ofColor body_color;
	float	alpha;
};

#include "ofMain.h"

class Particle {

public:

Particle();

~Particle() {}

void update();

void draw();

private:

ofVec2f location;

float step;

float body_size;

ofColor body_color;

float alpha;

};

#include "Particle.h"

Particle::Particle()
{
	this->location = ofVec2f(ofRandom(-ofGetWidth() / 2, ofGetWidth() / 2), ofRandom(-ofGetHeight() / 2, ofGetHeight() / 2));
	this->step = ofRandom(2.0, 5.0);
	this->body_size = ofRandom(10, 40);
	this->body_color.setHsb(ofRandom(255), 255, 255);
	this->alpha = ofRandom(200, 255);
}

void Particle::update()
{
	float x = this->location.x + this->step;
	float y = sin(x * this->step * 0.001) * ofGetHeight() * 0.5;
	//float y = sin(x * this->step * 0.0025) * ofGetHeight() * 0.5;
	this->location = ofVec2f(x, y);

	if (this->location.x > ofGetWidth() / 2 + this->body_size) {
		this->location.x = -ofGetWidth() / 2 - this->body_size;
	}

}

void Particle::draw()
{
	ofSetColor(this->body_color, this->alpha);
	ofDrawEllipse(this->location, this->body_size, this->body_size);
}

#include "Particle.h"

Particle::Particle()

{

this->location = ofVec2f(ofRandom(-ofGetWidth() / 2, ofGetWidth() / 2), ofRandom(-ofGetHeight() / 2, ofGetHeight() / 2));

this->step = ofRandom(2.0, 5.0);

this->body_size = ofRandom(10, 40);

this->body_color.setHsb(ofRandom(255), 255, 255);

this->alpha = ofRandom(200, 255);

}

void Particle::update()

{

float x = this->location.x + this->step;

float y = sin(x * this->step * 0.001) * ofGetHeight() * 0.5;

//float y = sin(x * this->step * 0.0025) * ofGetHeight() * 0.5;

this->location = ofVec2f(x, y);

if (this->location.x > ofGetWidth() / 2 + this->body_size) {

this->location.x = -ofGetWidth() / 2 - this->body_size;

}

void Particle::draw()

{

ofSetColor(this->body_color, this->alpha);

ofDrawEllipse(this->location, this->body_size, this->body_size);

}

[ Link ]
https://github.com/junkiyoshi/Insta20171021

[ほしいものリスト]
Amazon

[ Sponsor Link ]

2024年5月
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