プログラミング de 落描き – ページ 740 – クリエイティブ・コーディングによる生成物とソース

2018年10月30日2018年10月30日

An irregular sphere. openFrameworks

[ Video ]

[ About ]
いびつな球体

An irregular sphere.

[ 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;

	vector<ofPoint> locations;
	vector<vector<ofPoint>> next_points;
};

#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;

vector<ofPoint> locations;

vector<vector<ofPoint>> next_points;

};

#include "ofApp.h"

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

	ofSetFrameRate(60);
	ofSetWindowTitle("openframeworks");

	ofBackground(239);
	ofSetColor(39);
	ofSetLineWidth(2);
	ofEnableDepthTest();

	ofIcoSpherePrimitive ico_sphere = ofIcoSpherePrimitive(250, 2);
	vector<ofMeshFace> triangles = ico_sphere.getMesh().getUniqueFaces();
	for (int i = 0; i < triangles.size(); i++) {

		ofPoint average = (triangles[i].getVertex(0) + triangles[i].getVertex(1) + triangles[i].getVertex(2)) / 3;
		this->locations.push_back(average);
	}

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

		vector<ofPoint> next_point = vector<ofPoint>();
		for (int j = 0; j < this->locations.size(); j++) {

			if (i == j || next_point.size() >= 3) { continue; }

			float distance = this->locations[i].distance(this->locations[j]);
			if (distance < 45) {

				next_point.push_back(this->locations[j]);
			}
		}

		this->next_points.push_back(next_point);
	}

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

	ofSeedRandom(39);
}

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

	this->cam.begin();

	for (int x = -750; x <= 750; x += 750) {

		for (int y = -750; y <= 750; y += 750) {

			ofPushMatrix();
			ofTranslate(x, y);
			ofRotateY(ofGetFrameNum() * 0.5);

			float random_seed = ofRandom(100);
			for (int location_index = 0; location_index < this->locations.size(); location_index++) {

				ofPoint location = this->locations[location_index];
				float location_noise = ofNoise(random_seed, location.x * 0.005, location.y * 0.005, ofGetFrameNum() * 0.005);
				if (location_noise > 0.6) {

					location = location.normalized() * 350;
				}

				for (int next_index = 0; next_index < this->next_points[location_index].size(); next_index++) {

					ofPoint next_point = this->next_points[location_index][next_index];
					float next_noise = ofNoise(random_seed, next_point.x * 0.005, next_point.y * 0.005, ofGetFrameNum() * 0.005);
					if (next_noise > 0.6) {

						next_point = next_point.normalized() * 350;
					}

					ofDrawLine(location, next_point);
				}
			}

			ofPopMatrix();
		}
	}

	this->cam.end();
}

//--------------------------------------------------------------
int main() {

	ofSetupOpenGL(720, 720, OF_WINDOW);
	ofRunApp(new ofApp());
}

#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(60);

ofSetWindowTitle("openframeworks");

ofBackground(239);

ofSetColor(39);

ofSetLineWidth(2);

ofEnableDepthTest();

ofIcoSpherePrimitive ico_sphere = ofIcoSpherePrimitive(250, 2);

vector<ofMeshFace> triangles = ico_sphere.getMesh().getUniqueFaces();

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

ofPoint average = (triangles[i].getVertex(0) + triangles[i].getVertex(1) + triangles[i].getVertex(2)) / 3;

this->locations.push_back(average);

}

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

vector<ofPoint> next_point = vector<ofPoint>();

for (int j = 0; j < this->locations.size(); j++) {

if (i == j || next_point.size() >= 3) { continue; }

float distance = this->locations[i].distance(this->locations[j]);

if (distance < 45) {

next_point.push_back(this->locations[j]);

}

this->next_points.push_back(next_point);

}

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

void ofApp::update() {

ofSeedRandom(39);

}

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

void ofApp::draw() {

this->cam.begin();

for (int x = -750; x <= 750; x += 750) {

for (int y = -750; y <= 750; y += 750) {

ofPushMatrix();

ofTranslate(x, y);

ofRotateY(ofGetFrameNum() * 0.5);

float random_seed = ofRandom(100);

for (int location_index = 0; location_index < this->locations.size(); location_index++) {

ofPoint location = this->locations[location_index];

float location_noise = ofNoise(random_seed, location.x * 0.005, location.y * 0.005, ofGetFrameNum() * 0.005);

if (location_noise > 0.6) {

location = location.normalized() * 350;

}

for (int next_index = 0; next_index < this->next_points[location_index].size(); next_index++) {

ofPoint next_point = this->next_points[location_index][next_index];

float next_noise = ofNoise(random_seed, next_point.x * 0.005, next_point.y * 0.005, ofGetFrameNum() * 0.005);

if (next_noise > 0.6) {

next_point = next_point.normalized() * 350;

}

ofDrawLine(location, next_point);

}

ofPopMatrix();

}

this->cam.end();

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20181030

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2018年10月29日2018年10月28日

Rnadom walk add Lifespan. openframeworks

[ Video ]

[ About ]
ランダムウォークに寿命を付加。寿命と透明度がリンクしており、寿命を迎えるとウォーカーは消えます

Random walk add Lifespan.

[ Source ]

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

	vector<Particle> particles;
};

#pragma once

#include "ofMain.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) {};

vector<Particle> particles;

};

#include "ofApp.h"

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

	ofSetFrameRate(60);
	ofSetWindowTitle("openframeworks");

	ofBackground(39);
	ofEnableBlendMode(ofBlendMode::OF_BLENDMODE_ADD);
	ofSetLineWidth(1.5);

	for (int i = 0; i < 10; i++) { this->particles.push_back(Particle()); }
}
//--------------------------------------------------------------
void ofApp::update() {

	if (ofRandom(100) < 25) {

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

	for (int i = this->particles.size() - 1; i >= 0; i--) {

		if (this->particles[i].IsDead()) {

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

	for (Particle& particle : particles) { particle.Upate(); }
}

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

	for (Particle& particle : particles) { particle.Draw(); }
}

//--------------------------------------------------------------
int main() {

	ofSetupOpenGL(720, 720, OF_WINDOW);
	ofRunApp(new ofApp());
}

#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(60);

ofSetWindowTitle("openframeworks");

ofBackground(39);

ofEnableBlendMode(ofBlendMode::OF_BLENDMODE_ADD);

ofSetLineWidth(1.5);

for (int i = 0; i < 10; i++) { this->particles.push_back(Particle()); }

}

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

void ofApp::update() {

if (ofRandom(100) < 25) {

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

}

for (int i = this->particles.size() - 1; i >= 0; i--) {

if (this->particles[i].IsDead()) {

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

}

for (Particle& particle : particles) { particle.Upate(); }

}

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

void ofApp::draw() {

for (Particle& particle : particles) { particle.Draw(); }

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

#include "Particle.h"

Particle::Particle() {

	int x = (int)(ofRandom(ofGetWidth()) / 40) * 40;
	int y = (int)(ofRandom(ofGetHeight()) / 40) * 40;
	this->location = ofPoint(x, y);

	this->directions[0] = ofPoint(1, 0);
	this->directions[1] = ofPoint(-1, 0);
	this->directions[2] = ofPoint(0, 1);
	this->directions[3] = ofPoint(0, -1);

	this->color.setHsb(ofRandom(255), 230, 255);
	this->life = 255;
}

Particle::~Particle() {

}

void Particle::Upate() {

	if (ofGetFrameNum() % 40 == 0) {

		int r = ofRandom(4);
		this->direction = this->directions[r];

		if (this->location.x < 0) { this->direction = ofPoint(1, 0); }
		else if (this->location.x > ofGetWidth()) { this->direction = ofPoint(-1, 0); }

		if (this->location.y < 0) { this->direction = ofPoint(0, 1); }
		else if (this->location.y > ofGetHeight()) { this->direction = ofPoint(0, -1); }
	}

	this->location += this->direction * 2;
	this->logs.push_front(location);
	while (this->logs.size() > 60) { this->logs.pop_back(); }

	this->life -= 1;
}

void Particle::Draw() {

	ofSetColor(this->color, this->life);

	ofFill();
	ofDrawCircle(this->location, 8);

	ofNoFill();
	ofBeginShape();
	for (ofPoint& log : this->logs) {

		ofVertex(log);
	}
	ofEndShape();
}

bool Particle::IsDead() {

	return this->life < 0 ? true : false;
}

#include "Particle.h"

Particle::Particle() {

int x = (int)(ofRandom(ofGetWidth()) / 40) * 40;

int y = (int)(ofRandom(ofGetHeight()) / 40) * 40;

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

this->directions[0] = ofPoint(1, 0);

this->directions[1] = ofPoint(-1, 0);

this->directions[2] = ofPoint(0, 1);

this->directions[3] = ofPoint(0, -1);

this->color.setHsb(ofRandom(255), 230, 255);

this->life = 255;

}

Particle::~Particle() {

}

void Particle::Upate() {

if (ofGetFrameNum() % 40 == 0) {

int r = ofRandom(4);

this->direction = this->directions[r];

if (this->location.x < 0) { this->direction = ofPoint(1, 0); }

else if (this->location.x > ofGetWidth()) { this->direction = ofPoint(-1, 0); }

if (this->location.y < 0) { this->direction = ofPoint(0, 1); }

else if (this->location.y > ofGetHeight()) { this->direction = ofPoint(0, -1); }

}

this->location += this->direction * 2;

this->logs.push_front(location);

while (this->logs.size() > 60) { this->logs.pop_back(); }

this->life -= 1;

}

void Particle::Draw() {

ofSetColor(this->color, this->life);

ofFill();

ofDrawCircle(this->location, 8);

ofNoFill();

ofBeginShape();

for (ofPoint& log : this->logs) {

ofVertex(log);

}

ofEndShape();

}

bool Particle::IsDead() {

return this->life < 0 ? true : false;

}

[ Link ]
https://github.com/junkiyoshi/Insta20181029

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Amazon

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2018年10月28日

Sphere by Hexagon * Noise. openFrameworks

[ Video ]

[ About ]
座標にNoiseをかけてボイン・ボインさせる

Shpere by Hexagon * Noise.

[ 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;

	vector<ofPoint> locations;
	vector<vector<ofPoint>> next_points;
};

#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;

vector<ofPoint> locations;

vector<vector<ofPoint>> next_points;

};

#include "ofApp.h"

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

	ofSetFrameRate(60);
	ofSetWindowTitle("openframeworks");

	ofBackground(239);
	ofSetColor(39);
	ofSetLineWidth(2);
	ofEnableDepthTest();

	ofIcoSpherePrimitive ico_sphere = ofIcoSpherePrimitive(300, 3);
	vector<ofMeshFace> triangles = ico_sphere.getMesh().getUniqueFaces();
	for (int i = 0; i < triangles.size(); i++) {

		ofPoint average = (triangles[i].getVertex(0) + triangles[i].getVertex(1) + triangles[i].getVertex(2)) / 3;
		this->locations.push_back(average);
	}

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

		vector<ofPoint> next_point = vector<ofPoint>();
		for (int j = 0; j < this->locations.size(); j++) {

			if (i == j || next_point.size() >= 3) { continue; }

			float distance = this->locations[i].distance(this->locations[j]);
			if (distance < 30) {

				next_point.push_back(this->locations[j]);
			}
		}

		this->next_points.push_back(next_point);
	}

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

	ofSeedRandom(39);
}

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

	this->cam.begin();
	ofRotateY(ofGetFrameNum() * 0.5);

	for (int location_index = 0; location_index < this->locations.size(); location_index++) {

		ofPoint location = this->locations[location_index];
		float location_noise = ofNoise(location.x * 0.003, location.y * 0.003, ofGetFrameNum() * 0.05);

		for (int next_index = 0; next_index < this->next_points[location_index].size(); next_index++) {

			ofPoint next_point = this->next_points[location_index][next_index];
			float next_noise = ofNoise(next_point.x * 0.003, next_point.y * 0.003, ofGetFrameNum() * 0.05);

			ofDrawLine(location * ofMap(location_noise, 0, 1, 0.8, 1), next_point * ofMap(next_noise, 0, 1, 0.8, 1));
		}
	}

	this->cam.end();

}

//--------------------------------------------------------------
int main() {

	ofSetupOpenGL(720, 720, OF_WINDOW);
	ofRunApp(new ofApp());
}

#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(60);

ofSetWindowTitle("openframeworks");

ofBackground(239);

ofSetColor(39);

ofSetLineWidth(2);

ofEnableDepthTest();

ofIcoSpherePrimitive ico_sphere = ofIcoSpherePrimitive(300, 3);

vector<ofMeshFace> triangles = ico_sphere.getMesh().getUniqueFaces();

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

ofPoint average = (triangles[i].getVertex(0) + triangles[i].getVertex(1) + triangles[i].getVertex(2)) / 3;

this->locations.push_back(average);

}

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

vector<ofPoint> next_point = vector<ofPoint>();

for (int j = 0; j < this->locations.size(); j++) {

if (i == j || next_point.size() >= 3) { continue; }

float distance = this->locations[i].distance(this->locations[j]);

if (distance < 30) {

next_point.push_back(this->locations[j]);

}

this->next_points.push_back(next_point);

}

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

void ofApp::update() {

ofSeedRandom(39);

}

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

void ofApp::draw() {

this->cam.begin();

ofRotateY(ofGetFrameNum() * 0.5);

for (int location_index = 0; location_index < this->locations.size(); location_index++) {

ofPoint location = this->locations[location_index];

float location_noise = ofNoise(location.x * 0.003, location.y * 0.003, ofGetFrameNum() * 0.05);

for (int next_index = 0; next_index < this->next_points[location_index].size(); next_index++) {

ofPoint next_point = this->next_points[location_index][next_index];

float next_noise = ofNoise(next_point.x * 0.003, next_point.y * 0.003, ofGetFrameNum() * 0.05);

ofDrawLine(location * ofMap(location_noise, 0, 1, 0.8, 1), next_point * ofMap(next_noise, 0, 1, 0.8, 1));

}

this->cam.end();

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20181028

[ほしいものリスト]
Amazon

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