プログラミング de 落描き – ページ 760 – 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12月3日2018年12月3日

Color mountain. openFrameworks

[ Video ]

[ About ]
カラフルな山々。ゆらゆらしている図形を重ねて描写。

Color mountain. Overlap of shape.

[ 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 windowResized(int w, int h) {};
	void dragEvent(ofDragInfo dragInfo) {};
	void gotMessage(ofMessage msg) {};
};

#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 windowResized(int w, int h) {};

void dragEvent(ofDragInfo dragInfo) {};

void gotMessage(ofMessage msg) {};

};

#include "ofApp.h"

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

	ofSetFrameRate(60);
	ofSetWindowTitle("openFrameworks");

	ofBackground(239);
	ofSetLineWidth(3);
}

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

	ofSeedRandom(39);
}

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

	for (int y = 0; y <= ofGetHeight(); y += 50) {

		float noise_seed = ofRandom(1000);
		
		ofColor color;
		color.setHsb(ofMap(y, 0, ofGetHeight(), 0, 255), 200, 255);

		vector<glm::vec2> vertices;
		for (int x = 0; x <= ofGetWidth(); x += 3) {

			int noise_y = y + ofMap(ofNoise(noise_seed, x * 0.003, ofGetFrameNum() * 0.005), 0, 1, -150, 150);
			ofVertex(glm::vec2(x, noise_y));
			vertices.push_back(glm::vec2(x, noise_y));
		}
		vertices.push_back(glm::vec2(ofGetWidth(), ofGetHeight()));
		vertices.push_back(glm::vec2(0, ofGetHeight()));

		ofSetColor(color);
		ofFill();
		ofBeginShape();
		ofVertices(vertices);
		ofEndShape(true);

		ofSetColor(39);
		ofNoFill();
		ofBeginShape();
		ofVertices(vertices);
		ofEndShape(true);
	}
}

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

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

#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(60);

ofSetWindowTitle("openFrameworks");

ofBackground(239);

ofSetLineWidth(3);

}

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

void ofApp::update() {

ofSeedRandom(39);

}

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

void ofApp::draw() {

for (int y = 0; y <= ofGetHeight(); y += 50) {

float noise_seed = ofRandom(1000);

ofColor color;

color.setHsb(ofMap(y, 0, ofGetHeight(), 0, 255), 200, 255);

vector<glm::vec2> vertices;

for (int x = 0; x <= ofGetWidth(); x += 3) {

int noise_y = y + ofMap(ofNoise(noise_seed, x * 0.003, ofGetFrameNum() * 0.005), 0, 1, -150, 150);

ofVertex(glm::vec2(x, noise_y));

vertices.push_back(glm::vec2(x, noise_y));

}

vertices.push_back(glm::vec2(ofGetWidth(), ofGetHeight()));

vertices.push_back(glm::vec2(0, ofGetHeight()));

ofSetColor(color);

ofFill();

ofBeginShape();

ofVertices(vertices);

ofEndShape(true);

ofSetColor(39);

ofNoFill();

ofBeginShape();

ofVertices(vertices);

ofEndShape(true);

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20181203

2018年12月2日2018年12月2日

Ghost leg. openFrameworks

[ Video ]

[ About ]
独楽回しeddy(@EKey2210)さんの投稿をマネしてみました。ofNoiseを使って変化している角度を30で区切ってあみだくじみたいにしました。

Inspire from @EKey2210(Twitter) post.

円運動の軌跡が作り出すトンネル#openframeworks pic.twitter.com/FR2UOeWu12

— 独楽回しeddy (@EKey2210) 2018年12月1日

[ 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(60);
	ofSetWindowTitle("openframeworks");

	ofBackground(239);
	ofSetColor(39);
	ofEnableDepthTest();
	ofSetLineWidth(3);
}
//--------------------------------------------------------------
void ofApp::update() {

	ofSeedRandom(39);
}

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

	this->cam.begin();
	ofRotateY(180);

	int radius = 150;
	for (int i = 0; i < 8; i++) {

		float noise_param_1 = ofRandom(360);
		float noise_param_2 = ofRandom(360);
		glm::vec3 prev = glm::vec3();
		for (int len = 0; len < 200; len += 1) {

			int deg = noise_param_1 + ofNoise(noise_param_2, (ofGetFrameNum() + len) * 0.005) * 360;
			deg = (deg / 30) * 30;
			glm::vec3 location = glm::vec3(radius * cos(deg * DEG_TO_RAD), radius * sin(deg * DEG_TO_RAD), len * 3);

			if (len != 0) {

				ofDrawLine(location, prev);
			}

			prev = location;
		}

		ofDrawSphere(prev, 3);
	}

	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);

ofEnableDepthTest();

ofSetLineWidth(3);

}

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

void ofApp::update() {

ofSeedRandom(39);

}

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

void ofApp::draw() {

this->cam.begin();

ofRotateY(180);

int radius = 150;

for (int i = 0; i < 8; i++) {

float noise_param_1 = ofRandom(360);

float noise_param_2 = ofRandom(360);

glm::vec3 prev = glm::vec3();

for (int len = 0; len < 200; len += 1) {

int deg = noise_param_1 + ofNoise(noise_param_2, (ofGetFrameNum() + len) * 0.005) * 360;

deg = (deg / 30) * 30;

glm::vec3 location = glm::vec3(radius * cos(deg * DEG_TO_RAD), radius * sin(deg * DEG_TO_RAD), len * 3);

if (len != 0) {

ofDrawLine(location, prev);

}

prev = location;

}

ofDrawSphere(prev, 3);

}

this->cam.end();

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20181202

2018年12月1日2018年12月1日

Particle and Line. openFrameworks

[ Video ]

[ About ]
ランダムに生成した座標を飛び交うライン

Line is moving on random coordinates.

[ 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) {};

	ofEasyCam cam;
	ofFbo fbo;
	vector<Particle> particles;

	vector<glm::vec3> locations;
	vector<vector<int>> next_indexes;
};

#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) {};

ofEasyCam cam;

ofFbo fbo;

vector<Particle> particles;

vector<glm::vec3> locations;

vector<vector<int>> next_indexes;

};

#include "ofApp.h"

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

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

	ofBackground(39);
	ofSetColor(239);
	ofSetLineWidth(1.5);
	ofEnableDepthTest();

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

		this->locations.push_back(glm::vec3(ofRandom(-ofGetWidth() * 0.5, ofGetWidth() * 0.5), ofRandom(-ofGetHeight() * 0.5, ofGetHeight() * 0.5), ofRandom(-360, 360)));
	}

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

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

			if (i == j) { continue; }

			glm::vec3 distance = this->locations[i] - this->locations[j];
			if (glm::length(distance) <= 100) {

				next_index.push_back(j);
			}
		}

		this->next_indexes.push_back(next_index);
	}

	for (int i = 0; i < 80; i++) { this->particles.push_back(Particle(this->locations, this->next_indexes)); }
}
//--------------------------------------------------------------
void ofApp::update() {

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

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

	this->cam.begin();
	ofRotateX(180);
	ofRotateY(ofGetFrameNum() * -0.5);

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

	this->cam.end();
}

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

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

#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(60);

ofSetWindowTitle("openframeworks");

ofBackground(39);

ofSetColor(239);

ofSetLineWidth(1.5);

ofEnableDepthTest();

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

this->locations.push_back(glm::vec3(ofRandom(-ofGetWidth() * 0.5, ofGetWidth() * 0.5), ofRandom(-ofGetHeight() * 0.5, ofGetHeight() * 0.5), ofRandom(-360, 360)));

}

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

vector<int> next_index = vector<int>();

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

if (i == j) { continue; }

glm::vec3 distance = this->locations[i] - this->locations[j];

if (glm::length(distance) <= 100) {

next_index.push_back(j);

}

this->next_indexes.push_back(next_index);

}

for (int i = 0; i < 80; i++) { this->particles.push_back(Particle(this->locations, this->next_indexes)); }

}

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

void ofApp::update() {

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

}

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

void ofApp::draw() {

this->cam.begin();

ofRotateX(180);

ofRotateY(ofGetFrameNum() * -0.5);

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

this->cam.end();

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

#pragma once
#include "ofMain.h"

class Particle {
public:
	Particle(vector<glm::vec3> locations, vector<vector<int>> next_indexes);
	~Particle();
	void Upate();
	void Draw();

	ofPoint location;
private:

	vector<glm::vec3> locations;
	vector<vector<int>> next_indexes;

	int locations_index;
	int next_index;

	std::deque<glm::vec3> logs;
};

#pragma once

#include "ofMain.h"

class Particle {

public:

Particle(vector<glm::vec3> locations, vector<vector<int>> next_indexes);

~Particle();

void Upate();

void Draw();

ofPoint location;

private:

vector<glm::vec3> locations;

vector<vector<int>> next_indexes;

int locations_index;

int next_index;

std::deque<glm::vec3> logs;

};

#include "Particle.h"

//--------------------------------------------------------------
Particle::Particle(vector<glm::vec3> locations, vector<vector<int>> next_indexes) {

	this->locations = locations;
	this->next_indexes = next_indexes;
	this->locations_index = (int)ofRandom(this->locations.size());
	this->next_index = this->next_indexes[this->locations_index][(int)ofRandom(this->next_indexes[this->locations_index].size())];
}

//--------------------------------------------------------------
Particle::~Particle() {

}

//--------------------------------------------------------------
void Particle::Upate() {

	int frame_span = 10;

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

		this->locations_index = this->next_index;
		this->next_index = this->next_indexes[this->locations_index][(int)ofRandom(this->next_indexes[this->locations_index].size())];
	}

	glm::vec3 distance = this->locations[this->next_index] - this->locations[this->locations_index];
	this->location = this->locations[this->locations_index] + distance / frame_span * (ofGetFrameNum() % frame_span);

	this->logs.push_front(this->location);
	while (this->logs.size() > 10) { this->logs.pop_back(); }
}

//--------------------------------------------------------------
void Particle::Draw() {

	ofFill();
	//ofDrawSphere(this->location, 3);

	ofNoFill();
	ofBeginShape();
	for (glm::vec3& log : this->logs) {

		ofVertex(log);
	}
	ofEndShape();
}

#include "Particle.h"

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

Particle::Particle(vector<glm::vec3> locations, vector<vector<int>> next_indexes) {

this->locations = locations;

this->next_indexes = next_indexes;

this->locations_index = (int)ofRandom(this->locations.size());

this->next_index = this->next_indexes[this->locations_index][(int)ofRandom(this->next_indexes[this->locations_index].size())];

}

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

Particle::~Particle() {

}

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

void Particle::Upate() {

int frame_span = 10;

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

this->locations_index = this->next_index;

this->next_index = this->next_indexes[this->locations_index][(int)ofRandom(this->next_indexes[this->locations_index].size())];

}

glm::vec3 distance = this->locations[this->next_index] - this->locations[this->locations_index];

this->location = this->locations[this->locations_index] + distance / frame_span * (ofGetFrameNum() % frame_span);

this->logs.push_front(this->location);

while (this->logs.size() > 10) { this->logs.pop_back(); }

}

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

void Particle::Draw() {

ofFill();

//ofDrawSphere(this->location, 3);

ofNoFill();

ofBeginShape();

for (glm::vec3& log : this->logs) {

ofVertex(log);

}

ofEndShape();

}

[ Link ]
https://github.com/junkiyoshi/Insta20181201

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