junkiyoshi – ページ 495 – プログラミング de 落描き

2020年4月12日2020年4月12日

Sine wave, cosine wave, perlin noise wave. openFrameworks

[ Video ]

[ About ]
Sine wave, cosine wave, perlin noise wave.

[ 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) {};

	vector<glm::vec2> word_size_list;
	vector<vector<ofPath>> path_list;
};

#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) {};

vector<glm::vec2> word_size_list;

vector<vector<ofPath>> path_list;

};

#include "ofApp.h"

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

	ofSetFrameRate(30);
	ofSetWindowTitle("openFrameworks");

	ofBackground(239);
	ofFill();
	ofSetColor(39);

	ofTrueTypeFont font;
	font.loadFont("fonts/Kazesawa-Bold.ttf", 28, true, true, true);

	vector<string> word_list = { "sin", "cos", "noise" };
	for (const auto& word : word_list) {

		auto word_size = glm::vec2(font.stringWidth(word), font.stringHeight(word));
		auto path = font.getStringAsPoints(word, true, false);

		this->word_size_list.push_back(word_size);
		this->path_list.push_back(path);
	}
}
//--------------------------------------------------------------
void ofApp::update() {

}

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

	for (int word_index = 0; word_index < this->word_size_list.size(); word_index++) {

		vector<glm::vec2> top_vertices, bottom_vertices;
		for (int x = 0; x <= 720; x += this->word_size_list[word_index].x * 1.05) {

			for (int path_index = 0; path_index < this->path_list[word_index].size(); path_index++) {

				auto outline = path_list[word_index][path_index].getOutline();

				ofBeginShape();
				for (int line_index = 0; line_index < outline.size(); line_index++) {

					if (line_index != 0) { ofNextContour(true); }

					auto vertices = outline[line_index].getVertices();
					for (int i = 0; i < vertices.size(); i++) {

						auto location = vertices[i] + glm::vec2(x, this->word_size_list[word_index].y * 0.5);
						auto y = 
							word_index == 0 ? ofMap(sin(location.x * 0.005 + ofGetFrameNum() * 0.025), -1, 1, 50, 670) :
							word_index == 1 ? ofMap(cos(location.x * 0.005 + ofGetFrameNum() * 0.025), -1, 1, 50, 670) : 
							ofMap(ofNoise(location.x * 0.005 + ofGetFrameNum() * 0.025), 0, 1, 50, 670);
						ofVertex(location + glm::vec2(0, y));
					}
				}
				ofEndShape(true);
			}
		}
	}
}

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

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

#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(30);

ofSetWindowTitle("openFrameworks");

ofBackground(239);

ofFill();

ofSetColor(39);

ofTrueTypeFont font;

font.loadFont("fonts/Kazesawa-Bold.ttf", 28, true, true, true);

vector<string> word_list = { "sin", "cos", "noise" };

for (const auto& word : word_list) {

auto word_size = glm::vec2(font.stringWidth(word), font.stringHeight(word));

auto path = font.getStringAsPoints(word, true, false);

this->word_size_list.push_back(word_size);

this->path_list.push_back(path);

}

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

void ofApp::update() {

}

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

void ofApp::draw() {

for (int word_index = 0; word_index < this->word_size_list.size(); word_index++) {

vector<glm::vec2> top_vertices, bottom_vertices;

for (int x = 0; x <= 720; x += this->word_size_list[word_index].x * 1.05) {

for (int path_index = 0; path_index < this->path_list[word_index].size(); path_index++) {

auto outline = path_list[word_index][path_index].getOutline();

ofBeginShape();

for (int line_index = 0; line_index < outline.size(); line_index++) {

if (line_index != 0) { ofNextContour(true); }

auto vertices = outline[line_index].getVertices();

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

auto location = vertices[i] + glm::vec2(x, this->word_size_list[word_index].y * 0.5);

auto y =

word_index == 0 ? ofMap(sin(location.x * 0.005 + ofGetFrameNum() * 0.025), -1, 1, 50, 670) :

word_index == 1 ? ofMap(cos(location.x * 0.005 + ofGetFrameNum() * 0.025), -1, 1, 50, 670) :

ofMap(ofNoise(location.x * 0.005 + ofGetFrameNum() * 0.025), 0, 1, 50, 670);

ofVertex(location + glm::vec2(0, y));

}

ofEndShape(true);

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20200412

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2020年4月11日2020年4月11日

Sphere with a band. openFrameworks

[ Video ]https://junkiyoshi.com/openframeworks20200411/

[ About ]
帯による球体。

Sphere with a 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 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 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);
	ofSetLineWidth(3);
	ofEnableDepthTest();
}

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

}

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

	this->cam.begin();
	ofRotateX(270);

	auto radius = 300;
	for (auto theta = 6; theta <= 180 - 8; theta += 4) {

		vector<glm::vec3> vertices, sub_vertices;
		auto deg_start = ofGetFrameNum() * 3 + theta * 10; 
		for (auto deg = deg_start; deg <= deg_start + 180; deg += 1) {

			auto location = glm::vec3(radius * cos(deg * DEG_TO_RAD) * sin(theta * DEG_TO_RAD),
				radius * sin(deg * DEG_TO_RAD) * sin(theta * DEG_TO_RAD),
				radius * cos(theta * DEG_TO_RAD));
			vertices.push_back(location);

			auto sub_location = glm::vec3(radius * cos(deg * DEG_TO_RAD) * sin((theta + 6) * DEG_TO_RAD),
				radius * sin(deg * DEG_TO_RAD) * sin((theta + 6) * DEG_TO_RAD),
				radius * cos((theta + 6) * DEG_TO_RAD));
			sub_vertices.push_back(sub_location);
		}

		if (vertices.size() > 0) {

			std::reverse(sub_vertices.begin(), sub_vertices.end());

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

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

	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);

ofSetLineWidth(3);

ofEnableDepthTest();

}

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

void ofApp::update() {

}

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

void ofApp::draw() {

this->cam.begin();

ofRotateX(270);

auto radius = 300;

for (auto theta = 6; theta <= 180 - 8; theta += 4) {

vector<glm::vec3> vertices, sub_vertices;

auto deg_start = ofGetFrameNum() * 3 + theta * 10;

for (auto deg = deg_start; deg <= deg_start + 180; deg += 1) {

auto location = glm::vec3(radius * cos(deg * DEG_TO_RAD) * sin(theta * DEG_TO_RAD),

radius * sin(deg * DEG_TO_RAD) * sin(theta * DEG_TO_RAD),

radius * cos(theta * DEG_TO_RAD));

vertices.push_back(location);

auto sub_location = glm::vec3(radius * cos(deg * DEG_TO_RAD) * sin((theta + 6) * DEG_TO_RAD),

radius * sin(deg * DEG_TO_RAD) * sin((theta + 6) * DEG_TO_RAD),

radius * cos((theta + 6) * DEG_TO_RAD));

sub_vertices.push_back(sub_location);

}

if (vertices.size() > 0) {

std::reverse(sub_vertices.begin(), sub_vertices.end());

ofFill();

ofSetColor(39);

ofBeginShape();

ofVertices(vertices);

ofVertices(sub_vertices);

ofEndShape();

ofNoFill();

ofSetColor(239);

ofBeginShape();

ofVertices(vertices);

ofVertices(sub_vertices);

ofEndShape(true);

}

this->cam.end();

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20200411

[ほしいものリスト]
Amazon

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2020年4月10日2020年4月10日

Tangled lines. openFrameworks

[ Video ]

[ About ]
見えない球体の周りを周回する、線群。

A group of lines orbiting around an invisible 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 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 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);
	ofEnableDepthTest();
}

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

	ofSeedRandom(39);
}

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

	this->cam.begin();

	int number_of_satellite = 60;
	int number_of_log = 20;

	auto base_seed_x = ofRandom(1000);
	auto base_seed_y = ofRandom(1000);
	auto base_location = glm::vec3(
		ofMap(ofNoise(base_seed_x, (ofGetFrameNum() + number_of_log) * 0.005), 0, 1, -250, 250),
		ofMap(ofNoise(base_seed_y, (ofGetFrameNum() + number_of_log) * 0.005), 0, 1, -250, 250),
		0);
	auto base_radius = 100;

	ofSetColor(239);
	ofDrawSphere(base_location, base_radius);

	vector<glm::vec3> location_list;
	for (int i = 0; i < number_of_satellite; i++) {

		float noise_seed_x = ofRandom(1000);
		float noise_seed_y = ofRandom(1000);
		auto location = glm::vec3(ofRandom(-1, 1), ofRandom(-1, 1), ofRandom(-1, 1));
		location = glm::normalize(location) * base_radius * 1.2;

		for (int k = 0; k < number_of_log; k++) {

			auto rotation_y = glm::rotate(glm::mat4(), ofMap(ofNoise(noise_seed_y, (ofGetFrameNum() + k) * 0.005), 0, 1, -PI * 2, PI * 2), glm::vec3(0, 1, 0));
			auto rotation_x = glm::rotate(glm::mat4(), ofMap(ofNoise(noise_seed_x, (ofGetFrameNum() + k) * 0.005), 0, 1, -PI * 2, PI * 2), glm::vec3(1, 0, 0));
			auto tmp_base_location = glm::vec3(
				ofMap(ofNoise(base_seed_x, (ofGetFrameNum() + k) * 0.005), 0, 1, -250, 250),
				ofMap(ofNoise(base_seed_y, (ofGetFrameNum() + k) * 0.005), 0, 1, -250, 250),
				0);
			auto loc = tmp_base_location + glm::vec4(location, 0) * rotation_y * rotation_x;
			location_list.push_back(loc);
		}
	}

	ofSetColor(39);
	for (int i = 0; i < location_list.size(); i++) {

		//ofDrawSphere(location_list[i], 2);
		for (int k = i + 1; k < location_list.size(); k++) {

			if (glm::distance(location_list[i], location_list[k]) < 35) {

				ofDrawLine(location_list[i], location_list[k]);
			}
		}
	}

	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);

ofEnableDepthTest();

}

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

void ofApp::update() {

ofSeedRandom(39);

}

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

void ofApp::draw() {

this->cam.begin();

int number_of_satellite = 60;

int number_of_log = 20;

auto base_seed_x = ofRandom(1000);

auto base_seed_y = ofRandom(1000);

auto base_location = glm::vec3(

ofMap(ofNoise(base_seed_x, (ofGetFrameNum() + number_of_log) * 0.005), 0, 1, -250, 250),

ofMap(ofNoise(base_seed_y, (ofGetFrameNum() + number_of_log) * 0.005), 0, 1, -250, 250),

0);

auto base_radius = 100;

ofSetColor(239);

ofDrawSphere(base_location, base_radius);

vector<glm::vec3> location_list;

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

float noise_seed_x = ofRandom(1000);

float noise_seed_y = ofRandom(1000);

auto location = glm::vec3(ofRandom(-1, 1), ofRandom(-1, 1), ofRandom(-1, 1));

location = glm::normalize(location) * base_radius * 1.2;

for (int k = 0; k < number_of_log; k++) {

auto rotation_y = glm::rotate(glm::mat4(), ofMap(ofNoise(noise_seed_y, (ofGetFrameNum() + k) * 0.005), 0, 1, -PI * 2, PI * 2), glm::vec3(0, 1, 0));

auto rotation_x = glm::rotate(glm::mat4(), ofMap(ofNoise(noise_seed_x, (ofGetFrameNum() + k) * 0.005), 0, 1, -PI * 2, PI * 2), glm::vec3(1, 0, 0));

auto tmp_base_location = glm::vec3(

ofMap(ofNoise(base_seed_x, (ofGetFrameNum() + k) * 0.005), 0, 1, -250, 250),

ofMap(ofNoise(base_seed_y, (ofGetFrameNum() + k) * 0.005), 0, 1, -250, 250),

0);

auto loc = tmp_base_location + glm::vec4(location, 0) * rotation_y * rotation_x;

location_list.push_back(loc);

}

ofSetColor(39);

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

//ofDrawSphere(location_list[i], 2);

for (int k = i + 1; k < location_list.size(); k++) {

if (glm::distance(location_list[i], location_list[k]) < 35) {

ofDrawLine(location_list[i], location_list[k]);

}

this->cam.end();

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20200410

[ほしいものリスト]
Amazon

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