openframeworks – ページ 684 – プログラミング de 落描き

2017年12月27日2017年12月26日

Insta20171226

[ Video ]

[ About ]
ドキドキ。
Throb.

[ Source ]

#pragma once

#include "ofMain.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;
};

#pragma once

#include "ofMain.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;

};

#include "ofApp.h"

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

	ofEnableDepthTest();
	ofSetLineWidth(2);
	ofSetColor(255, 0, 0);
}

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

}

//--------------------------------------------------------------
void ofApp::draw() {
	this->cam.begin();

	float noise_value;

	ofFill();
	for (float radius = 3; radius <= 20; radius += 1) {
		ofBeginShape();
		for (int deg = 180; deg < 540; deg += 1) {
			float noise_x = 3 * (16 * sin(deg * DEG_TO_RAD) * sin(deg * DEG_TO_RAD) * sin(deg * DEG_TO_RAD));
			float noise_y = 3 * (13 * cos(deg * DEG_TO_RAD) - 5 * cos(2 * deg * DEG_TO_RAD) - 2 * cos(3 * deg * DEG_TO_RAD) - cos(4 * deg * DEG_TO_RAD));

			float x = radius * (16 * sin(deg * DEG_TO_RAD) * sin(deg * DEG_TO_RAD) * sin(deg * DEG_TO_RAD));
			float y = radius * (13 * cos(deg * DEG_TO_RAD) - 5 * cos(2 * deg * DEG_TO_RAD) - 2 * cos(3 * deg * DEG_TO_RAD) - cos(4 * deg * DEG_TO_RAD));
			noise_value = ofNoise(noise_x * 0.0025, noise_y * 0.0025, ofGetFrameNum() * 0.05 - radius * 0.05);
			if (noise_value < 0.65) {
				noise_value = 0.65;
			}
			float z = noise_value * 200 - 100;

			ofVertex(x, y, z);
		}
		ofEndShape();

		ofNoFill();
	}

	this->cam.end();
}

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

#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(30);

ofBackground(0);

ofSetWindowTitle("Insta");

ofEnableDepthTest();

ofSetLineWidth(2);

ofSetColor(255, 0, 0);

}

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

void ofApp::update() {

}

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

void ofApp::draw() {

this->cam.begin();

float noise_value;

ofFill();

for (float radius = 3; radius <= 20; radius += 1) {

ofBeginShape();

for (int deg = 180; deg < 540; deg += 1) {

float noise_x = 3 * (16 * sin(deg * DEG_TO_RAD) * sin(deg * DEG_TO_RAD) * sin(deg * DEG_TO_RAD));

float noise_y = 3 * (13 * cos(deg * DEG_TO_RAD) - 5 * cos(2 * deg * DEG_TO_RAD) - 2 * cos(3 * deg * DEG_TO_RAD) - cos(4 * deg * DEG_TO_RAD));

float x = radius * (16 * sin(deg * DEG_TO_RAD) * sin(deg * DEG_TO_RAD) * sin(deg * DEG_TO_RAD));

float y = radius * (13 * cos(deg * DEG_TO_RAD) - 5 * cos(2 * deg * DEG_TO_RAD) - 2 * cos(3 * deg * DEG_TO_RAD) - cos(4 * deg * DEG_TO_RAD));

noise_value = ofNoise(noise_x * 0.0025, noise_y * 0.0025, ofGetFrameNum() * 0.05 - radius * 0.05);

if (noise_value < 0.65) {

noise_value = 0.65;

}

float z = noise_value * 200 - 100;

ofVertex(x, y, z);

}

ofEndShape();

ofNoFill();

}

this->cam.end();

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20171226

2017年12月26日2017年12月25日

Insta20171225

[ Video ]

[ About ]
Particleで雪っぽく出来るかと思ったけど、そんな事は無かった。
Merry Christmas!

[ Source ]

#pragma once

#include "ofMain.h"
#include "ofFbo.h"
#include "Particle.h"
#include "Cleator.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) {};

	ofFbo fbo;

	vector<Particle*> particles;
	vector<Cleator*> cleators;
};

#pragma once

#include "ofMain.h"

#include "ofFbo.h"

#include "Particle.h"

#include "Cleator.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) {};

ofFbo fbo;

vector<Particle*> particles;

vector<Cleator*> cleators;

};

#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);
	}

	for (int i = this->cleators.size() - 1; i > -1; i--) {
		delete this->cleators[i];
		this->cleators.erase(this->cleators.begin() + i);
	}
}


//--------------------------------------------------------------
void ofApp::setup() {
	ofSetFrameRate(30);
	ofBackground(0);
	ofSetWindowTitle("Insta");
	
	this->fbo.allocate(ofGetWidth(), ofGetHeight());

	for (int i = 0; i < 12; i++) {
		this->cleators.push_back(new Cleator());
	}
}

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

	ofColor body_color = ofColor(255);
	for (int i = 0; i < this->cleators.size(); i++) {

		ofVec2f location = this->cleators[i]->get_location();
		ofVec2f velocity = this->cleators[i]->get_velocity();

		if (velocity.length() > 5) {
			this->particles.push_back(new Particle(location, velocity * 0.3, body_color));
		}
	}
	
	for (int i = this->particles.size() - 1; i > -1; i--) {
		this->particles[i]->update();

		if (this->particles[i]->isDead()) {
			delete this->particles[i];
			this->particles.erase(this->particles.begin() + i);
		}
	}

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

	this->fbo.begin();
	ofClear(0);
	ofTranslate(ofGetWidth() / 2, ofGetHeight() / 2);

	float distance;
	for (int i = 0; i < this->particles.size(); i++) {
		for (int j = i; j < this->particles.size(); j++) {
			distance = this->particles[i]->get_location().distanceSquared(this->particles[j]->get_location());
			if (distance < 400) {
				ofSetColor(this->particles[i]->get_body_color(), this->particles[i]->get_alpha());
				ofDrawLine(this->particles[i]->get_location(), this->particles[j]->get_location());
			}
		}
	}

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

	this->fbo.end();
}

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

//--------------------------------------------------------------
int main() {
	ofSetupOpenGL(720, 720, 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);

}

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

delete this->cleators[i];

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

}

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

void ofApp::setup() {

ofSetFrameRate(30);

ofBackground(0);

ofSetWindowTitle("Insta");

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

for (int i = 0; i < 12; i++) {

this->cleators.push_back(new Cleator());

}

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

void ofApp::update() {

ofColor body_color = ofColor(255);

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

ofVec2f location = this->cleators[i]->get_location();

ofVec2f velocity = this->cleators[i]->get_velocity();

if (velocity.length() > 5) {

this->particles.push_back(new Particle(location, velocity * 0.3, body_color));

}

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

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

if (this->particles[i]->isDead()) {

delete this->particles[i];

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

}

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

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

}

this->fbo.begin();

ofClear(0);

ofTranslate(ofGetWidth() / 2, ofGetHeight() / 2);

float distance;

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

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

distance = this->particles[i]->get_location().distanceSquared(this->particles[j]->get_location());

if (distance < 400) {

ofSetColor(this->particles[i]->get_body_color(), this->particles[i]->get_alpha());

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

}

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

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

}

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(ofVec2f location, ofVec2f velocity, ofColor body_color);
	~Particle();

	void update();
	void draw();

	ofVec2f get_location();
	ofColor get_body_color();
	float get_alpha();
	bool isDead();
private:
	ofVec2f location;
	ofVec2f velocity;

	float	body_size;
	ofColor body_color;
	int		alpha;
};

#pragma once

#include "ofMain.h"

class Particle {

public:

Particle();

Particle(ofVec2f location, ofVec2f velocity, ofColor body_color);

~Particle();

void update();

void draw();

ofVec2f get_location();

ofColor get_body_color();

float get_alpha();

bool isDead();

private:

ofVec2f location;

ofVec2f velocity;

float body_size;

ofColor body_color;

int alpha;

};

#include "Particle.h"

Particle::Particle() : Particle(ofVec2f(0, 0), ofVec2f(0, 0), ofColor(128)) { }

Particle::Particle(ofVec2f location, ofVec2f velocity, ofColor body_color)
{
	this->location = location;
	this->velocity = velocity;
	this->alpha = 255;
	this->body_size = velocity.length() / 2;
	this->body_color = body_color;
}

Particle::~Particle() { }

void Particle::update()
{
	this->location += this->velocity;
	this->alpha -= 1;
}

void Particle::draw()
{

}

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

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

float Particle::get_alpha() {
	return this->alpha;
}

bool Particle::isDead()
{
	return this->alpha < 0;
}

#include "Particle.h"

Particle::Particle() : Particle(ofVec2f(0, 0), ofVec2f(0, 0), ofColor(128)) { }

Particle::Particle(ofVec2f location, ofVec2f velocity, ofColor body_color)

{

this->location = location;

this->velocity = velocity;

this->alpha = 255;

this->body_size = velocity.length() / 2;

this->body_color = body_color;

}

Particle::~Particle() { }

void Particle::update()

{

this->location += this->velocity;

this->alpha -= 1;

}

void Particle::draw()

{

}

ofVec2f Particle::get_location() {

return this->location;

}

ofColor Particle::get_body_color(){

return this->body_color;

}

float Particle::get_alpha() {

return this->alpha;

}

bool Particle::isDead()

{

return this->alpha < 0;

}

#pragma once
#include "ofMain.h"

class Cleator
{
public:
	Cleator();
	~Cleator();

	void applyForce(ofVec2f force);
	void seek(ofVec2f target);

	void update();
	void draw();

	ofVec2f get_location();
	ofVec2f get_velocity();

private:
	ofVec2f location;
	ofVec2f velocity;
	ofVec2f acceleration;
	ofVec2f future;
	ofVec2f target;
	float max_speed;
	float max_force;
	float radius;
	float angle;
};

#pragma once

#include "ofMain.h"

class Cleator

{

public:

Cleator();

~Cleator();

void applyForce(ofVec2f force);

void seek(ofVec2f target);

void update();

void draw();

ofVec2f get_location();

ofVec2f get_velocity();

private:

ofVec2f location;

ofVec2f velocity;

ofVec2f acceleration;

ofVec2f future;

ofVec2f target;

float max_speed;

float max_force;

float radius;

float angle;

};

#include "Cleator.h"

Cleator::Cleator()
{
	this->location = ofVec2f(ofRandom(-ofGetWidth() / 2, ofGetWidth() / 2), ofRandom(-ofGetHeight() / 2, ofGetHeight() / 2));
	this->velocity = ofVec2f(0, 0);
	this->acceleration = ofVec2f(0, 0);

	this->max_speed = 8;
	this->max_force = 3;
	this->radius = 15;
	this->angle = ofRandom(360);
}

Cleator::~Cleator()
{

}

void Cleator::applyForce(ofVec2f force)
{
	this->acceleration += force;
}

void Cleator::seek(ofVec2f target)
{
	ofVec2f desired = this->location - target;
	float distance = desired.length();
	desired.normalize();
	if (distance < this->radius)
	{
		float m = ofMap(distance, 0, this->radius, 0, this->max_speed);
		desired *= m;
	}
	else
	{
		desired *= this->max_speed;
	}

	ofVec2f steer = this->velocity - desired;
	steer.limit(this->max_force);
	applyForce(steer);
}

void Cleator::update()
{
	this->future.set(this->velocity);
	this->future.normalize();
	this->future *= 60;
	this->future += this->location;

	this->angle = ofRandom(-30, 210);
	float x = 60 * cos(this->angle * DEG_TO_RAD) + future.x;
	float y = 60 * sin(this->angle * DEG_TO_RAD) + future.y;
	this->target = ofVec2f(x, y);

	this->seek(this->target);

	this->velocity += this->acceleration;
	this->velocity.limit(max_speed);
	this->location += this->velocity;

	if (this->location.x < -ofGetWidth() / 2) {
		this->location.x = ofGetWidth() / 2;
		//this->velocity.x *= -1;
	}
	else if (this->location.x > ofGetWidth() / 2) {
		this->location.x = -ofGetWidth() / 2;
		//this->velocity.x *= -1;
	}

	if (this->location.y > ofGetHeight() / 2) {
		this->location.y = -ofGetHeight() / 2 - 100;
	}

	this->acceleration *= 0;
	this->velocity *= 0.98;

}

void Cleator::draw()
{

}

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

ofVec2f Cleator::get_velocity() {
	return this->velocity;
}

#include "Cleator.h"

Cleator::Cleator()

{

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

this->velocity = ofVec2f(0, 0);

this->acceleration = ofVec2f(0, 0);

this->max_speed = 8;

this->max_force = 3;

this->radius = 15;

this->angle = ofRandom(360);

}

Cleator::~Cleator()

{

}

void Cleator::applyForce(ofVec2f force)

{

this->acceleration += force;

}

void Cleator::seek(ofVec2f target)

{

ofVec2f desired = this->location - target;

float distance = desired.length();

desired.normalize();

if (distance < this->radius)

{

float m = ofMap(distance, 0, this->radius, 0, this->max_speed);

desired *= m;

}

else

{

desired *= this->max_speed;

}

ofVec2f steer = this->velocity - desired;

steer.limit(this->max_force);

applyForce(steer);

}

void Cleator::update()

{

this->future.set(this->velocity);

this->future.normalize();

this->future *= 60;

this->future += this->location;

this->angle = ofRandom(-30, 210);

float x = 60 * cos(this->angle * DEG_TO_RAD) + future.x;

float y = 60 * sin(this->angle * DEG_TO_RAD) + future.y;

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

this->seek(this->target);

this->velocity += this->acceleration;

this->velocity.limit(max_speed);

this->location += this->velocity;

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

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

//this->velocity.x *= -1;

}

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

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

//this->velocity.x *= -1;

}

if (this->location.y > ofGetHeight() / 2) {

this->location.y = -ofGetHeight() / 2 - 100;

}

this->acceleration *= 0;

this->velocity *= 0.98;

}

void Cleator::draw()

{

}

ofVec2f Cleator::get_location() {

return this->location;

}

ofVec2f Cleator::get_velocity() {

return this->velocity;

}

[ Link ]
https://github.com/junkiyoshi/Insta20171225

2017年12月25日2017年12月24日

Insta20171224

[ Video ]

[ About ]
Noise関数に角度 + フラーム番号を引数に渡して、伝達するようにしました。
Noisy is transmitted.

[ Source ]

#pragma once
#include "ofMain.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;
};

#pragma once

#include "ofMain.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;

};

#include "ofApp.h"

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

	ofEnableDepthTest();
	ofNoFill();
	ofSetLineWidth(2);
}

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

}

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

	this->cam.begin();

	int deg_span = 10;
	float radius = 0;
	float radius_default = 30;
	float radius_span = 5;
	int layer = 12;
	float x, y, z;
	float noise_value;

	for (int deg = 0; deg < 360 - deg_span; deg += deg_span) {
		radius = radius_default;
		for (int i = 0; i < layer; i++) {

			noise_value = ofNoise(i, deg * 0.005 + ofGetFrameNum() * 0.015);
			ofSetColor(255, 255 * noise_value);
			if (noise_value < 0.8) {
				noise_value = 0.8;
			}

			ofBeginShape();

			for (int tmp_deg = deg; tmp_deg <= deg + deg_span; tmp_deg += 1) {
				x = radius * cos(tmp_deg * DEG_TO_RAD);
				y = radius * sin(tmp_deg * DEG_TO_RAD);
				z = noise_value * 40;
				ofVertex(x, y, z);
			}

			for (int tmp_deg = deg + deg_span; tmp_deg >= deg; tmp_deg -= 1) {
				x = (radius + radius_span) * cos(tmp_deg * DEG_TO_RAD);
				y = (radius + radius_span) * sin(tmp_deg * DEG_TO_RAD);
				z = noise_value * 40;
				ofVertex(x, y, z);
			}

			ofEndShape(true);

			radius += radius_span;
		}
	}

	this->cam.end();
}

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

#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(30);

ofBackground(0);

ofSetWindowTitle("Insta");

ofEnableDepthTest();

ofNoFill();

ofSetLineWidth(2);

}

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

void ofApp::update() {

}

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

void ofApp::draw() {

this->cam.begin();

int deg_span = 10;

float radius = 0;

float radius_default = 30;

float radius_span = 5;

int layer = 12;

float x, y, z;

float noise_value;

for (int deg = 0; deg < 360 - deg_span; deg += deg_span) {

radius = radius_default;

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

noise_value = ofNoise(i, deg * 0.005 + ofGetFrameNum() * 0.015);

ofSetColor(255, 255 * noise_value);

if (noise_value < 0.8) {

noise_value = 0.8;

}

ofBeginShape();

for (int tmp_deg = deg; tmp_deg <= deg + deg_span; tmp_deg += 1) {

x = radius * cos(tmp_deg * DEG_TO_RAD);

y = radius * sin(tmp_deg * DEG_TO_RAD);

z = noise_value * 40;

ofVertex(x, y, z);

}

for (int tmp_deg = deg + deg_span; tmp_deg >= deg; tmp_deg -= 1) {

x = (radius + radius_span) * cos(tmp_deg * DEG_TO_RAD);

y = (radius + radius_span) * sin(tmp_deg * DEG_TO_RAD);

z = noise_value * 40;

ofVertex(x, y, z);

}

ofEndShape(true);

radius += radius_span;

}

this->cam.end();

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20171224

2025年3月
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