junkiyoshi – ページ 793 – プログラミング de 落描き

2019年2月5日2019年2月5日

Point on the circumference. openFrameworks

[ Video ]

[ About ]
ノイズで半径が変動する円周上に点を取って、近いもの同士で線を引く

Point on the radius changing circumference by noise. And, drawing line each other with near point.

[ 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) {};
};

#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) {};

};

#include "ofApp.h"

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

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

	ofBackground(0);
	ofEnableBlendMode(ofBlendMode::OF_BLENDMODE_ADD);
}
//--------------------------------------------------------------
void ofApp::update() {

	ofSeedRandom(39);
}

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

	ofTranslate(ofGetWidth() * 0.5, ofGetHeight() * 0.5);

	ofColor color(255);
	int radius = 320;

	vector<glm::vec2> locations;
	for (int i = 0; i < 5; i++) {

		float noise_seed = ofRandom(1000);
		for (int deg = 0; deg < 360; deg += 5) {

			auto noise_location = glm::vec2(cos(deg * DEG_TO_RAD), sin(deg * DEG_TO_RAD));
			auto noise_radius = ofMap(ofNoise(noise_seed, noise_location.x, noise_location.y, ofGetFrameNum() * 0.005), 0, 1, radius * 0.5, radius);

			auto location = glm::vec2(noise_radius * cos(deg * DEG_TO_RAD), noise_radius * sin(deg * DEG_TO_RAD));
			locations.push_back(location);
		}
	}

	for (auto location : locations) {

		bool draw_circle = false;
		float circle_alpha = 0;
		for (auto other : locations) {

			if (location == other) { continue; }

			auto distance = glm::distance(location, other);
			if (distance < 25) {

				float alpha = ofMap(distance, 0, 25, 255, 32);
				ofSetColor(color, alpha);

				ofDrawLine(location, other);

				if (circle_alpha < alpha) { circle_alpha = alpha; }
				draw_circle = true;
			}
		}

		if (draw_circle) {

			ofSetColor(color, circle_alpha);
			ofDrawCircle(location, 3);
		}
	}
}

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

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

#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(60);

ofSetWindowTitle("openframeworks");

ofBackground(0);

ofEnableBlendMode(ofBlendMode::OF_BLENDMODE_ADD);

}

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

void ofApp::update() {

ofSeedRandom(39);

}

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

void ofApp::draw() {

ofTranslate(ofGetWidth() * 0.5, ofGetHeight() * 0.5);

ofColor color(255);

int radius = 320;

vector<glm::vec2> locations;

for (int i = 0; i < 5; i++) {

float noise_seed = ofRandom(1000);

for (int deg = 0; deg < 360; deg += 5) {

auto noise_location = glm::vec2(cos(deg * DEG_TO_RAD), sin(deg * DEG_TO_RAD));

auto noise_radius = ofMap(ofNoise(noise_seed, noise_location.x, noise_location.y, ofGetFrameNum() * 0.005), 0, 1, radius * 0.5, radius);

auto location = glm::vec2(noise_radius * cos(deg * DEG_TO_RAD), noise_radius * sin(deg * DEG_TO_RAD));

locations.push_back(location);

}

for (auto location : locations) {

bool draw_circle = false;

float circle_alpha = 0;

for (auto other : locations) {

if (location == other) { continue; }

auto distance = glm::distance(location, other);

if (distance < 25) {

float alpha = ofMap(distance, 0, 25, 255, 32);

ofSetColor(color, alpha);

ofDrawLine(location, other);

if (circle_alpha < alpha) { circle_alpha = alpha; }

draw_circle = true;

}

if (draw_circle) {

ofSetColor(color, circle_alpha);

ofDrawCircle(location, 3);

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20190205

2019年2月4日2019年2月4日

Circumferential band. openFrameworks

[ Video ]

[ About ]
円周をつないだ帯を回転

Rotate circumferential band.

[ 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(39);
	ofEnableDepthTest();
	ofSetLineWidth(2);
}
//--------------------------------------------------------------
void ofApp::update() {

	ofSeedRandom(39);
}

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

	this->cam.begin();

	int deg_span = 15;
	float noise_seed_x = ofRandom(300, 1000);
	float noise_seed_y = ofRandom(300, 1000);
	float noise_seed_z = ofRandom(300, 1000);

	ofFill();
	ofDrawSphere(glm::vec3(), 10);
	for (int radius = 30; radius <= 300; radius += 30) {

		ofPushMatrix();
		ofRotateX(ofMap(ofNoise(noise_seed_x - radius * 0.0015 + ofGetFrameNum() * 0.005), 0, 1, -360, 360));
		ofRotateZ(ofMap(ofNoise(noise_seed_y - radius * 0.0015 + ofGetFrameNum() * 0.005), 0, 1, -360, 360));
		ofRotateY(ofMap(ofNoise(noise_seed_z - radius * 0.0015 + ofGetFrameNum() * 0.005), 0, 1, -360, 360));
		for (int deg = 0; deg < 360; deg += deg_span) {

			vector<glm::vec3> vertices;
			vertices.push_back(glm::vec3(radius * cos((deg + deg_span * 0.5) *DEG_TO_RAD), radius * sin((deg + deg_span * 0.5) * DEG_TO_RAD), 10));
			vertices.push_back(glm::vec3(radius * cos((deg + deg_span * 0.5) *DEG_TO_RAD), radius * sin((deg + deg_span * 0.5) * DEG_TO_RAD), -10));
			vertices.push_back(glm::vec3(radius * cos((deg - deg_span * 0.5) *DEG_TO_RAD), radius * sin((deg - deg_span * 0.5) * DEG_TO_RAD), -10));
			vertices.push_back(glm::vec3(radius * cos((deg - deg_span * 0.5) *DEG_TO_RAD), radius * sin((deg - deg_span * 0.5) * DEG_TO_RAD), 10));

			ofFill();
			ofSetColor(39);
			ofBeginShape();
			ofVertices(vertices);
			ofEndShape(true);

			ofNoFill();
			ofSetColor(239);
			ofBeginShape();
			ofVertices(vertices);
			ofEndShape(true);
		}
		ofPopMatrix();
	}

	this->cam.end();
}

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

	ofGLWindowSettings settings;
	settings.setGLVersion(3, 2);
	settings.setSize(720, 720);
	ofCreateWindow(settings);
	ofRunApp(new ofApp());
}

#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(60);

ofSetWindowTitle("openframeworks");

ofBackground(39);

ofEnableDepthTest();

ofSetLineWidth(2);

}

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

void ofApp::update() {

ofSeedRandom(39);

}

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

void ofApp::draw() {

this->cam.begin();

int deg_span = 15;

float noise_seed_x = ofRandom(300, 1000);

float noise_seed_y = ofRandom(300, 1000);

float noise_seed_z = ofRandom(300, 1000);

ofFill();

ofDrawSphere(glm::vec3(), 10);

for (int radius = 30; radius <= 300; radius += 30) {

ofPushMatrix();

ofRotateX(ofMap(ofNoise(noise_seed_x - radius * 0.0015 + ofGetFrameNum() * 0.005), 0, 1, -360, 360));

ofRotateZ(ofMap(ofNoise(noise_seed_y - radius * 0.0015 + ofGetFrameNum() * 0.005), 0, 1, -360, 360));

ofRotateY(ofMap(ofNoise(noise_seed_z - radius * 0.0015 + ofGetFrameNum() * 0.005), 0, 1, -360, 360));

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

vector<glm::vec3> vertices;

vertices.push_back(glm::vec3(radius * cos((deg + deg_span * 0.5) *DEG_TO_RAD), radius * sin((deg + deg_span * 0.5) * DEG_TO_RAD), 10));

vertices.push_back(glm::vec3(radius * cos((deg + deg_span * 0.5) *DEG_TO_RAD), radius * sin((deg + deg_span * 0.5) * DEG_TO_RAD), -10));

vertices.push_back(glm::vec3(radius * cos((deg - deg_span * 0.5) *DEG_TO_RAD), radius * sin((deg - deg_span * 0.5) * DEG_TO_RAD), -10));

vertices.push_back(glm::vec3(radius * cos((deg - deg_span * 0.5) *DEG_TO_RAD), radius * sin((deg - deg_span * 0.5) * DEG_TO_RAD), 10));

ofFill();

ofSetColor(39);

ofBeginShape();

ofVertices(vertices);

ofEndShape(true);

ofNoFill();

ofSetColor(239);

ofBeginShape();

ofVertices(vertices);

ofEndShape(true);

}

ofPopMatrix();

}

this->cam.end();

}

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

int main() {

ofGLWindowSettings settings;

settings.setGLVersion(3, 2);

settings.setSize(720, 720);

ofCreateWindow(settings);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20190204

2019年2月3日

Middle of hue. openFrameworks

[ Video ]

[ About ]
keynoteの「色相の中間」というワードとソースが引っかかっていたので、とりあえず自分で作ってみる。パーティクルの中心側が自身の色、周りの色は最も近いパーティクルとの色相の中間色(になっていたらいいな)

Particle center color is original color. outor color is middle of hue of nearest particle.

[ 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) {}
};

#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) {}

};

#include "ofApp.h"

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

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

	ofBackground(239);
	ofSetLineWidth(2);
}

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

	ofSeedRandom(39);
}

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

	vector<glm::vec2> locations;
	ofColor color;
	vector<ofColor> origin_colors;
	vector<ofColor> mix_colors;
	for (int i = 0; i < 20; i++) {

		glm::vec2 location = glm::vec2(ofMap(ofNoise(ofRandom(1000), ofGetFrameNum() * 0.001), 0, 1, 0, ofGetWidth()), ofMap(ofNoise(ofRandom(1000), ofGetFrameNum() * 0.001), 0, 1, 0, ofGetHeight()));
		locations.push_back(location);

		color.setHsb(ofRandom(255), 255, 255);
		origin_colors.push_back(color);
		mix_colors.push_back(color);
	}

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

		int nearest_index = i;
		float nearest_distance = 150;
		for (int k = 0; k < locations.size(); k++) {

			float distance = glm::distance(locations[i], locations[k]);
			if (i != k && distance < nearest_distance) {

				nearest_index = k;
				nearest_distance = distance;
			}
		}

		ofSetColor(origin_colors[i]);
		ofDrawLine(locations[i], locations[nearest_index]);

		if (i != nearest_index) {

			float min_hue = min(origin_colors[i].getHue(), origin_colors[nearest_index].getHue());
			float max_hue = max(origin_colors[i].getHue(), origin_colors[nearest_index].getHue());
			float distance = max_hue - min_hue;

			if (distance < 128) {

				mix_colors[i].setHue((min_hue + max_hue) / 2);
			}
			else {

				mix_colors[i].setHue((min_hue + max_hue) / 2 - 128);
			}
		}
	}

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

		ofSetColor(mix_colors[i]);
		ofDrawCircle(locations[i], 35);

		ofSetColor(origin_colors[i]);
		ofDrawCircle(locations[i], 25);
	}
}

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

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

#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(60);

ofSetWindowTitle("openFrameworks");

ofBackground(239);

ofSetLineWidth(2);

}

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

void ofApp::update() {

ofSeedRandom(39);

}

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

void ofApp::draw() {

vector<glm::vec2> locations;

ofColor color;

vector<ofColor> origin_colors;

vector<ofColor> mix_colors;

for (int i = 0; i < 20; i++) {

glm::vec2 location = glm::vec2(ofMap(ofNoise(ofRandom(1000), ofGetFrameNum() * 0.001), 0, 1, 0, ofGetWidth()), ofMap(ofNoise(ofRandom(1000), ofGetFrameNum() * 0.001), 0, 1, 0, ofGetHeight()));

locations.push_back(location);

color.setHsb(ofRandom(255), 255, 255);

origin_colors.push_back(color);

mix_colors.push_back(color);

}

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

int nearest_index = i;

float nearest_distance = 150;

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

float distance = glm::distance(locations[i], locations[k]);

if (i != k && distance < nearest_distance) {

nearest_index = k;

nearest_distance = distance;

}

ofSetColor(origin_colors[i]);

ofDrawLine(locations[i], locations[nearest_index]);

if (i != nearest_index) {

float min_hue = min(origin_colors[i].getHue(), origin_colors[nearest_index].getHue());

float max_hue = max(origin_colors[i].getHue(), origin_colors[nearest_index].getHue());

float distance = max_hue - min_hue;

if (distance < 128) {

mix_colors[i].setHue((min_hue + max_hue) / 2);

}

else {

mix_colors[i].setHue((min_hue + max_hue) / 2 - 128);

}

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

ofSetColor(mix_colors[i]);

ofDrawCircle(locations[i], 35);

ofSetColor(origin_colors[i]);

ofDrawCircle(locations[i], 25);

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20190203

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