openframeworks – ページ 317 – プログラミング de 落描き

2021年1月8日2021年1月8日

Connecting Noise Walk. Draw by openFrameworks

[ Video ]

[ About ]
ノイズウォークを接続する。

Connecting Noise Walk.

[ 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;
	vector<ofMesh> line_list;
	ofMesh near_line;
	vector<ofColor> base_color_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) {};

ofEasyCam cam;

vector<ofMesh> line_list;

ofMesh near_line;

vector<ofColor> base_color_list;

};

#include "ofApp.h"

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

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

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

	ofColor color;
	vector<int> hex_list = { 0xef476f, 0xffd166, 0x06d6a0, 0x118ab2, 0x073b4c };
	for (auto hex : hex_list) {

		color.setHex(hex);
		this->base_color_list.push_back(color);
	}

	this->near_line.setMode(ofPrimitiveMode::OF_PRIMITIVE_LINES);
}

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

	ofSeedRandom(39);
	this->line_list.clear();
	this->near_line.clear();

	for (int i = 0; i < 25; i++) {

		ofMesh line;
		line.setMode(ofPrimitiveMode::OF_PRIMITIVE_LINES);
		auto noise_seed = glm::vec3(ofRandom(1000), ofRandom(1000), ofRandom(1000));
		for (int k = 0; k < 50; k++) {

			auto vertex = glm::vec3(
				ofMap(ofNoise(noise_seed.x, (ofGetFrameNum() + k) * 0.005), 0, 1, -200, 200),
				ofMap(ofNoise(noise_seed.y, (ofGetFrameNum() + k) * 0.005), 0, 1, -200, 200),
				ofMap(ofNoise(noise_seed.z, (ofGetFrameNum() + k) * 0.005), 0, 1, -200, 200));
			line.addVertex(vertex);
			line.addColor(this->base_color_list[i % this->base_color_list.size()]);
			if (k > 0) {

				line.addIndex(line.getNumVertices() - 1);
				line.addIndex(line.getNumVertices() - 2);
			}
		}
		this->line_list.push_back(line);
	}


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

		for (int k = i + 1; k < this->line_list.size(); k++) {

			for (int m = 0; m < this->line_list[i].getNumVertices(); m++) {

				bool m_flag = false;
				int m_index = m;
				for (int p = 0; p < this->line_list[k].getNumVertices(); p++) {

					if (glm::distance(this->line_list[i].getVertex(m), this->line_list[k].getVertex(p)) < 35) {

						if (m_flag == false) {

							m_index = this->near_line.getNumVertices();
							this->near_line.addVertex(this->line_list[i].getVertex(m));
							this->near_line.addColor(this->line_list[i].getColor(m));
							m_flag = true;
						}

						this->near_line.addVertex(this->line_list[k].getVertex(p));
						this->near_line.addColor(this->line_list[k].getColor(p));

						this->near_line.addIndex(m_index);
						this->near_line.addIndex(this->near_line.getNumVertices() - 1);
					}
				}
			}
		}
	}
}

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

	this->cam.begin();
	ofRotateY(ofGetFrameNum() * -0.25);

	for (auto& line : this->line_list) {

		line.draw();
	}

	this->near_line.draw();

	ofDrawBox(400);

	this->cam.end();
}

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

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

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#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(60);

ofSetWindowTitle("openframeworks");

ofBackground(239);

ofSetColor(39);

ofNoFill();

ofSetLineWidth(1.5);

ofEnableDepthTest();

ofColor color;

vector<int> hex_list = { 0xef476f, 0xffd166, 0x06d6a0, 0x118ab2, 0x073b4c };

for (auto hex : hex_list) {

color.setHex(hex);

this->base_color_list.push_back(color);

}

this->near_line.setMode(ofPrimitiveMode::OF_PRIMITIVE_LINES);

}

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

void ofApp::update() {

ofSeedRandom(39);

this->line_list.clear();

this->near_line.clear();

for (int i = 0; i < 25; i++) {

ofMesh line;

line.setMode(ofPrimitiveMode::OF_PRIMITIVE_LINES);

auto noise_seed = glm::vec3(ofRandom(1000), ofRandom(1000), ofRandom(1000));

for (int k = 0; k < 50; k++) {

auto vertex = glm::vec3(

ofMap(ofNoise(noise_seed.x, (ofGetFrameNum() + k) * 0.005), 0, 1, -200, 200),

ofMap(ofNoise(noise_seed.y, (ofGetFrameNum() + k) * 0.005), 0, 1, -200, 200),

ofMap(ofNoise(noise_seed.z, (ofGetFrameNum() + k) * 0.005), 0, 1, -200, 200));

line.addVertex(vertex);

line.addColor(this->base_color_list[i % this->base_color_list.size()]);

if (k > 0) {

line.addIndex(line.getNumVertices() - 1);

line.addIndex(line.getNumVertices() - 2);

}

this->line_list.push_back(line);

}

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

for (int k = i + 1; k < this->line_list.size(); k++) {

for (int m = 0; m < this->line_list[i].getNumVertices(); m++) {

bool m_flag = false;

int m_index = m;

for (int p = 0; p < this->line_list[k].getNumVertices(); p++) {

if (glm::distance(this->line_list[i].getVertex(m), this->line_list[k].getVertex(p)) < 35) {

if (m_flag == false) {

m_index = this->near_line.getNumVertices();

this->near_line.addVertex(this->line_list[i].getVertex(m));

this->near_line.addColor(this->line_list[i].getColor(m));

m_flag = true;

}

this->near_line.addVertex(this->line_list[k].getVertex(p));

this->near_line.addColor(this->line_list[k].getColor(p));

this->near_line.addIndex(m_index);

this->near_line.addIndex(this->near_line.getNumVertices() - 1);

}

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

void ofApp::draw() {

this->cam.begin();

ofRotateY(ofGetFrameNum() * -0.25);

for (auto& line : this->line_list) {

line.draw();

}

this->near_line.draw();

ofDrawBox(400);

this->cam.end();

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20210108

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2021年1月7日2021年1月7日

Connections on the torus. Draw by openFrameworks

[ Video ]

[ About ]
Connections on the torus.

[ 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) {};

	glm::vec3 make_point(float R, float r, float u, float v);

	ofEasyCam cam;
	vector<ofMesh> line_list;
	ofMesh near_line;
};

#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) {};

glm::vec3 make_point(float R, float r, float u, float v);

ofEasyCam cam;

vector<ofMesh> line_list;

ofMesh near_line;

};

#include "ofApp.h"

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

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

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

	this->near_line.setMode(ofPrimitiveMode::OF_PRIMITIVE_LINES);
}

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

	ofSeedRandom(39);
	this->line_list.clear();
	this->near_line.clear();

	for (int i = 0; i < 7; i++) {

		ofMesh line;
		line.setMode(ofPrimitiveMode::OF_PRIMITIVE_LINES);
		auto noise_seed = ofRandom(1000);
		for (int v = 0; v <  360; v += 2) {

			auto p = glm::vec2(300 * cos(v * DEG_TO_RAD), 300 * sin(v * DEG_TO_RAD));
			auto u = ofMap(ofNoise(noise_seed, p.x * 0.002, p.y * 0.002, ofGetFrameNum() * 0.0035), 0, 1, -360, 360);
			line.addVertex(this->make_point(300, 60, u, v));
			if (v > 0) {

				line.addIndex(line.getNumVertices() - 1);
				line.addIndex(line.getNumVertices() - 2);
			}
		}

		line.addIndex(0);
		line.addIndex(line.getNumVertices() - 1);

		this->line_list.push_back(line);
	}


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

		for (int k = i + 1; k < this->line_list.size(); k++) {

			for (int m = 0; m < this->line_list[i].getNumVertices(); m++) {

				for (int p = 0; p < this->line_list[k].getNumVertices(); p++) {

					if (glm::distance(this->line_list[i].getVertex(m), this->line_list[k].getVertex(p)) < 30) {

						this->near_line.addVertex(this->line_list[i].getVertex(m));
						this->near_line.addVertex(this->line_list[k].getVertex(p));

						this->near_line.addIndex(this->near_line.getNumVertices() - 1);
						this->near_line.addIndex(this->near_line.getNumVertices() - 2);
					}
				}
			}
		}
	}
}

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

	this->cam.begin();

	for (auto& line : this->line_list) {

		line.draw();
	}

	this->near_line.draw();

	for (auto& vertex : this->near_line.getVertices()) {

		ofDrawSphere(vertex, 3.5);
	}

	this->cam.end();
}

//--------------------------------------------------------------
glm::vec3 ofApp::make_point(float R, float r, float u, float v) {

	// 数学デッサン教室 描いて楽しむ数学たち　P.31

	u *= DEG_TO_RAD;
	v *= DEG_TO_RAD;

	auto x = (R + r * cos(u)) * cos(v);
	auto y = (R + r * cos(u)) * sin(v);
	auto z = r * sin(u);

	return glm::vec3(x, y, z);
}

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

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

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#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(60);

ofSetWindowTitle("openframeworks");

ofBackground(239);

ofSetColor(39);

ofSetLineWidth(2);

ofEnableDepthTest();

this->near_line.setMode(ofPrimitiveMode::OF_PRIMITIVE_LINES);

}

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

void ofApp::update() {

ofSeedRandom(39);

this->line_list.clear();

this->near_line.clear();

for (int i = 0; i < 7; i++) {

ofMesh line;

line.setMode(ofPrimitiveMode::OF_PRIMITIVE_LINES);

auto noise_seed = ofRandom(1000);

for (int v = 0; v < 360; v += 2) {

auto p = glm::vec2(300 * cos(v * DEG_TO_RAD), 300 * sin(v * DEG_TO_RAD));

auto u = ofMap(ofNoise(noise_seed, p.x * 0.002, p.y * 0.002, ofGetFrameNum() * 0.0035), 0, 1, -360, 360);

line.addVertex(this->make_point(300, 60, u, v));

if (v > 0) {

line.addIndex(line.getNumVertices() - 1);

line.addIndex(line.getNumVertices() - 2);

}

line.addIndex(0);

line.addIndex(line.getNumVertices() - 1);

this->line_list.push_back(line);

}

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

for (int k = i + 1; k < this->line_list.size(); k++) {

for (int m = 0; m < this->line_list[i].getNumVertices(); m++) {

for (int p = 0; p < this->line_list[k].getNumVertices(); p++) {

if (glm::distance(this->line_list[i].getVertex(m), this->line_list[k].getVertex(p)) < 30) {

this->near_line.addVertex(this->line_list[i].getVertex(m));

this->near_line.addVertex(this->line_list[k].getVertex(p));

this->near_line.addIndex(this->near_line.getNumVertices() - 1);

this->near_line.addIndex(this->near_line.getNumVertices() - 2);

}

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

void ofApp::draw() {

this->cam.begin();

for (auto& line : this->line_list) {

line.draw();

}

this->near_line.draw();

for (auto& vertex : this->near_line.getVertices()) {

ofDrawSphere(vertex, 3.5);

}

this->cam.end();

}

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

glm::vec3 ofApp::make_point(float R, float r, float u, float v) {

// 数学デッサン教室描いて楽しむ数学たち　P.31

u *= DEG_TO_RAD;

v *= DEG_TO_RAD;

auto x = (R + r * cos(u)) * cos(v);

auto y = (R + r * cos(u)) * sin(v);

auto z = r * sin(u);

return glm::vec3(x, y, z);

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20210107

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2021年1月6日

3 color kaleidoscope. Draw by openFrameworks

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[ About ]
3色万華鏡。

3 color kaleidoscope.

[ 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<ofMesh> line_list;
	ofMesh near_line;
	vector<ofColor> base_color_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<ofMesh> line_list;

ofMesh near_line;

vector<ofColor> base_color_list;

};

#include "ofApp.h"

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

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

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

	this->near_line.setMode(ofPrimitiveMode::OF_PRIMITIVE_LINES);

	ofColor color;
	vector<int> hex_list = { 0xef476f, 0x06d6a0, 0x073b4c };
	for (auto hex : hex_list) {

		color.setHex(hex);
		this->base_color_list.push_back(color);
	}
}

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

	ofSeedRandom(39);
	this->line_list.clear();
	this->near_line.clear();

	for (int k = 0; k < 3; k++) {

		auto noise_seed_deg = ofRandom(1000);
		auto noise_seed_radius = ofRandom(1000);
		vector<glm::vec3> vertices;
		for (int i = 0; i < 50; i++) {

			auto noise_deg = ofMap(ofNoise(noise_seed_deg, (ofGetFrameNum() + i) * 0.003), 0, 1, -360, 360);
			auto noise_radius = ofMap(ofNoise(noise_seed_radius, (ofGetFrameNum() + i) * 0.004), 0, 1, -350, 350);
			vertices.push_back(glm::vec3(noise_radius * cos(noise_deg * DEG_TO_RAD), noise_radius * sin(noise_deg * DEG_TO_RAD), 0));
		}

		for (int deg = 0; deg < 360; deg += 60) {

			auto rotation = glm::rotate(glm::mat4(), deg * (float)DEG_TO_RAD, glm::vec3(0, 0, 1));
			ofMesh line;
			line.setMode(ofPrimitiveMode::OF_PRIMITIVE_LINES);

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

				line.addVertex(glm::vec4(vertices[i], 0) * rotation + glm::vec4(ofGetWidth() * 0.5, ofGetHeight() * 0.5, 0, 0));
				line.addColor(this->base_color_list[k]);
				if (i > 0) {

					line.addIndex(i); line.addIndex(i - 1);
				}
			}

			this->line_list.push_back(line);
		}
	}

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

		for (int k = i + 1; k < this->line_list.size(); k++) {

			for (int m = 0; m < this->line_list[i].getNumVertices(); m++) {

				bool m_flag = false;
				int m_index = m;
				for (int p = 0; p < this->line_list[k].getNumVertices(); p++) {

					if (glm::distance(this->line_list[i].getVertex(m), this->line_list[k].getVertex(p)) < 30) {

						if (m_flag == false) {
						
							m_index = this->near_line.getNumVertices();
							this->near_line.addVertex(this->line_list[i].getVertex(m));
							this->near_line.addColor(this->line_list[i].getColor(m));
							m_flag = true;
						}

						this->near_line.addVertex(this->line_list[k].getVertex(p));
						this->near_line.addColor(this->line_list[k].getColor(p));

						this->near_line.addIndex(m_index);
						this->near_line.addIndex(this->near_line.getNumVertices() - 1);	
					}
				}
			}
		}
	}
}

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

	for (auto& line : this->line_list) {

		line.draw();
	}

	this->near_line.draw();
}

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

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

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#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(60);

ofSetWindowTitle("openframeworks");

ofBackground(239);

ofSetColor(39);

ofSetLineWidth(2);

this->near_line.setMode(ofPrimitiveMode::OF_PRIMITIVE_LINES);

ofColor color;

vector<int> hex_list = { 0xef476f, 0x06d6a0, 0x073b4c };

for (auto hex : hex_list) {

color.setHex(hex);

this->base_color_list.push_back(color);

}

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

void ofApp::update() {

ofSeedRandom(39);

this->line_list.clear();

this->near_line.clear();

for (int k = 0; k < 3; k++) {

auto noise_seed_deg = ofRandom(1000);

auto noise_seed_radius = ofRandom(1000);

vector<glm::vec3> vertices;

for (int i = 0; i < 50; i++) {

auto noise_deg = ofMap(ofNoise(noise_seed_deg, (ofGetFrameNum() + i) * 0.003), 0, 1, -360, 360);

auto noise_radius = ofMap(ofNoise(noise_seed_radius, (ofGetFrameNum() + i) * 0.004), 0, 1, -350, 350);

vertices.push_back(glm::vec3(noise_radius * cos(noise_deg * DEG_TO_RAD), noise_radius * sin(noise_deg * DEG_TO_RAD), 0));

}

for (int deg = 0; deg < 360; deg += 60) {

auto rotation = glm::rotate(glm::mat4(), deg * (float)DEG_TO_RAD, glm::vec3(0, 0, 1));

ofMesh line;

line.setMode(ofPrimitiveMode::OF_PRIMITIVE_LINES);

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

line.addVertex(glm::vec4(vertices[i], 0) * rotation + glm::vec4(ofGetWidth() * 0.5, ofGetHeight() * 0.5, 0, 0));

line.addColor(this->base_color_list[k]);

if (i > 0) {

line.addIndex(i); line.addIndex(i - 1);

}

this->line_list.push_back(line);

}

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

for (int k = i + 1; k < this->line_list.size(); k++) {

for (int m = 0; m < this->line_list[i].getNumVertices(); m++) {

bool m_flag = false;

int m_index = m;

for (int p = 0; p < this->line_list[k].getNumVertices(); p++) {

if (glm::distance(this->line_list[i].getVertex(m), this->line_list[k].getVertex(p)) < 30) {

if (m_flag == false) {

m_index = this->near_line.getNumVertices();

this->near_line.addVertex(this->line_list[i].getVertex(m));

this->near_line.addColor(this->line_list[i].getColor(m));

m_flag = true;

}

this->near_line.addVertex(this->line_list[k].getVertex(p));

this->near_line.addColor(this->line_list[k].getColor(p));

this->near_line.addIndex(m_index);

this->near_line.addIndex(this->near_line.getNumVertices() - 1);

}

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

void ofApp::draw() {

for (auto& line : this->line_list) {

line.draw();

}

this->near_line.draw();

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20210106

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