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

2026年3月24日2026年3月23日

stack of circles.

[ Video ]

[ About ]
円の積み重ね。

[ 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) {};

	void setRingToMesh(ofMesh& face_target, ofMesh& frame_target, glm::vec3 location, float radius, float width, float height, int deg_start, int deg_end);

	ofEasyCam cam;
	ofMesh face, frame;
};

#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) {};

void setRingToMesh(ofMesh& face_target, ofMesh& frame_target, glm::vec3 location, float radius, float width, float height, int deg_start, int deg_end);

ofEasyCam cam;

ofMesh face, frame;

};

#include "ofApp.h"

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

	ofSetFrameRate(25);
	ofSetWindowTitle("openFrameworks");

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

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

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

	ofSeedRandom(39);

	this->face.clear();
	this->frame.clear();

	for (int z = -128; z <= 128; z += 16) {

		for (int radius = 180; radius <= 360; radius += 30) {

			int deg_start = 0;
			int deg_end = 0;
			int tmp_deg = 0;
			for (int deg = 0; deg < 360 + tmp_deg; deg += 1) {

				auto noise_value = ofNoise(glm::vec4(radius * cos(deg * DEG_TO_RAD) * 0.001, radius * sin(deg * DEG_TO_RAD) * 0.001, z * 0.01, ofGetFrameNum() * 0.01));

				if (noise_value < 0.5) {

					deg_end = deg;

					if (deg == 0) {

						while (true) {

							tmp_deg -= 1;
							auto tmp_noise_value = ofNoise(glm::vec4(radius * cos(tmp_deg * DEG_TO_RAD) * 0.001, radius * sin(tmp_deg * DEG_TO_RAD) * 0.001, z * 0.01, ofGetFrameNum() * 0.01));
							if (tmp_noise_value > 0.5 || tmp_deg < -360) { break; }		
							deg_start = tmp_deg;
						}
					}
				}
				else {

					if (deg_start < deg_end) {

						this->setRingToMesh(this->face, this->frame, glm::vec3(0, 0, z + 8), radius, 30, 14, deg_start, deg_end);
					}

					deg_start = deg;
					deg_end = deg;
				}
			}

			if (deg_start != deg_end) {

				this->setRingToMesh(this->face, this->frame, glm::vec3(0, 0, z + 8), radius, 30, 14, deg_start, deg_end);
			}
		}
	}
}

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

	this->cam.begin();
	ofRotateY(ofGetFrameNum() * 1.44);

	ofSetColor(39);
	this->face.draw();

	ofSetColor(239);
	this->frame.drawWireframe();

	this->cam.end();

	/*
	// ffmpeg -i img_%04d.jpg aaa.mp4
	int start = 250;
	if (ofGetFrameNum() > start) {

		std::ostringstream os;
		os << std::setw(4) << std::setfill('0') << ofGetFrameNum() - start;
		ofImage image;
		image.grabScreen(0, 0, ofGetWidth(), ofGetHeight());
		image.saveImage("image/cap/img_" + os.str() + ".jpg");
		if (ofGetFrameNum() - start >= 25 * 20) {

			std::exit(1);
		}
	}
	*/
}

//--------------------------------------------------------------
void ofApp::setRingToMesh(ofMesh& face_target, ofMesh& frame_target, glm::vec3 location, float radius, float width, float height, int deg_start, int deg_end) {

	if (deg_start == deg_end) { return; }

	int index = face_target.getNumVertices();

	for (int deg = deg_start; deg <= deg_end; deg += 1) {

		auto face_index = face_target.getNumVertices();

		vector<glm::vec3> vertices;
		vertices.push_back(glm::vec3((radius + width * 0.5) * cos(deg * DEG_TO_RAD), (radius + width * 0.5) * sin(deg * DEG_TO_RAD), height * -0.5));
		vertices.push_back(glm::vec3((radius + width * 0.5) * cos((deg + 1) * DEG_TO_RAD), (radius + width * 0.5) * sin((deg + 1) * DEG_TO_RAD), height * -0.5));
		vertices.push_back(glm::vec3((radius + width * 0.5) * cos((deg + 1) * DEG_TO_RAD), (radius + width * 0.5) * sin((deg + 1) * DEG_TO_RAD), height * 0.5));
		vertices.push_back(glm::vec3((radius + width * 0.5) * cos(deg * DEG_TO_RAD), (radius + width * 0.5) * sin(deg * DEG_TO_RAD), height * 0.5));

		vertices.push_back(glm::vec3((radius - width * 0.5) * cos(deg * DEG_TO_RAD), (radius - width * 0.5) * sin(deg * DEG_TO_RAD), height * -0.5));
		vertices.push_back(glm::vec3((radius - width * 0.5) * cos((deg + 1) * DEG_TO_RAD), (radius - width * 0.5) * sin((deg + 1) * DEG_TO_RAD), height * -0.5));
		vertices.push_back(glm::vec3((radius - width * 0.5) * cos((deg + 1) * DEG_TO_RAD), (radius - width * 0.5) * sin((deg + 1) * DEG_TO_RAD), height * 0.5));
		vertices.push_back(glm::vec3((radius - width * 0.5) * cos(deg * DEG_TO_RAD), (radius - width * 0.5) * sin(deg * DEG_TO_RAD), height * 0.5));

		for (auto& vertex : vertices) {

			vertex += location;
		}

		face_target.addVertices(vertices);

		face_target.addIndex(face_index + 0); face_target.addIndex(face_index + 1); face_target.addIndex(face_index + 2);
		face_target.addIndex(face_index + 0); face_target.addIndex(face_index + 2); face_target.addIndex(face_index + 3);

		face_target.addIndex(face_index + 4); face_target.addIndex(face_index + 5); face_target.addIndex(face_index + 6);
		face_target.addIndex(face_index + 4); face_target.addIndex(face_index + 6); face_target.addIndex(face_index + 7);

		face_target.addIndex(face_index + 0); face_target.addIndex(face_index + 4); face_target.addIndex(face_index + 5);
		face_target.addIndex(face_index + 0); face_target.addIndex(face_index + 5); face_target.addIndex(face_index + 1);

		face_target.addIndex(face_index + 3); face_target.addIndex(face_index + 7); face_target.addIndex(face_index + 6);
		face_target.addIndex(face_index + 3); face_target.addIndex(face_index + 6); face_target.addIndex(face_index + 2);

		auto frame_index = frame_target.getNumVertices();

		frame_target.addVertices(vertices);

		frame_target.addIndex(frame_index + 0); frame_target.addIndex(frame_index + 1);
		frame_target.addIndex(frame_index + 2); frame_target.addIndex(frame_index + 3);
		frame_target.addIndex(frame_index + 4); frame_target.addIndex(frame_index + 5);
		frame_target.addIndex(frame_index + 6); frame_target.addIndex(frame_index + 7);
	}

	face_target.addIndex(index + 0); face_target.addIndex(index + 3); face_target.addIndex(index + 7);
	face_target.addIndex(index + 0); face_target.addIndex(index + 7); face_target.addIndex(index + 4);

	frame_target.addIndex(index + 0); frame_target.addIndex(index + 3);
	frame_target.addIndex(index + 0); frame_target.addIndex(index + 4);
	frame_target.addIndex(index + 7); frame_target.addIndex(index + 3);
	frame_target.addIndex(index + 7); frame_target.addIndex(index + 4);

	index = frame_target.getNumVertices() - 8;

	face_target.addIndex(index + 1); face_target.addIndex(index + 2); face_target.addIndex(index + 6);
	face_target.addIndex(index + 1); face_target.addIndex(index + 6); face_target.addIndex(index + 5);

	frame_target.addIndex(index + 1); frame_target.addIndex(index + 2);
	frame_target.addIndex(index + 1); frame_target.addIndex(index + 5);
	frame_target.addIndex(index + 6); frame_target.addIndex(index + 2);
	frame_target.addIndex(index + 6); frame_target.addIndex(index + 5);
}

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

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

100

101

102

103

104

105

106

107

108

109

110

111

112

113

114

115

116

117

118

119

120

121

122

123

124

125

126

127

128

129

130

131

132

133

134

135

136

137

138

139

140

141

142

143

144

145

146

147

148

149

150

151

152

153

154

155

156

157

158

159

160

161

162

163

164

165

166

167

168

169

170

171

172

173

174

175

176

177

#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(25);

ofSetWindowTitle("openFrameworks");

ofBackground(239);

ofSetLineWidth(2);

ofEnableDepthTest();

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

}

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

void ofApp::update() {

ofSeedRandom(39);

this->face.clear();

this->frame.clear();

for (int z = -128; z <= 128; z += 16) {

for (int radius = 180; radius <= 360; radius += 30) {

int deg_start = 0;

int deg_end = 0;

int tmp_deg = 0;

for (int deg = 0; deg < 360 + tmp_deg; deg += 1) {

auto noise_value = ofNoise(glm::vec4(radius * cos(deg * DEG_TO_RAD) * 0.001, radius * sin(deg * DEG_TO_RAD) * 0.001, z * 0.01, ofGetFrameNum() * 0.01));

if (noise_value < 0.5) {

deg_end = deg;

if (deg == 0) {

while (true) {

tmp_deg -= 1;

auto tmp_noise_value = ofNoise(glm::vec4(radius * cos(tmp_deg * DEG_TO_RAD) * 0.001, radius * sin(tmp_deg * DEG_TO_RAD) * 0.001, z * 0.01, ofGetFrameNum() * 0.01));

if (tmp_noise_value > 0.5 || tmp_deg < -360) { break; }

deg_start = tmp_deg;

}

else {

if (deg_start < deg_end) {

this->setRingToMesh(this->face, this->frame, glm::vec3(0, 0, z + 8), radius, 30, 14, deg_start, deg_end);

}

deg_start = deg;

deg_end = deg;

}

if (deg_start != deg_end) {

this->setRingToMesh(this->face, this->frame, glm::vec3(0, 0, z + 8), radius, 30, 14, deg_start, deg_end);

}

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

void ofApp::draw() {

this->cam.begin();

ofRotateY(ofGetFrameNum() * 1.44);

ofSetColor(39);

this->face.draw();

ofSetColor(239);

this->frame.drawWireframe();

this->cam.end();

// ffmpeg -i img_%04d.jpg aaa.mp4

int start = 250;

if (ofGetFrameNum() > start) {

std::ostringstream os;

os << std::setw(4) << std::setfill('0') << ofGetFrameNum() - start;

ofImage image;

image.grabScreen(0, 0, ofGetWidth(), ofGetHeight());

image.saveImage("image/cap/img_" + os.str() + ".jpg");

if (ofGetFrameNum() - start >= 25 * 20) {

std::exit(1);

}

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

void ofApp::setRingToMesh(ofMesh& face_target, ofMesh& frame_target, glm::vec3 location, float radius, float width, float height, int deg_start, int deg_end) {

if (deg_start == deg_end) { return; }

int index = face_target.getNumVertices();

for (int deg = deg_start; deg <= deg_end; deg += 1) {

auto face_index = face_target.getNumVertices();

vector<glm::vec3> vertices;

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

vertices.push_back(glm::vec3((radius + width * 0.5) * cos((deg + 1) * DEG_TO_RAD), (radius + width * 0.5) * sin((deg + 1) * DEG_TO_RAD), height * -0.5));

vertices.push_back(glm::vec3((radius + width * 0.5) * cos((deg + 1) * DEG_TO_RAD), (radius + width * 0.5) * sin((deg + 1) * DEG_TO_RAD), height * 0.5));

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

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

vertices.push_back(glm::vec3((radius - width * 0.5) * cos((deg + 1) * DEG_TO_RAD), (radius - width * 0.5) * sin((deg + 1) * DEG_TO_RAD), height * -0.5));

vertices.push_back(glm::vec3((radius - width * 0.5) * cos((deg + 1) * DEG_TO_RAD), (radius - width * 0.5) * sin((deg + 1) * DEG_TO_RAD), height * 0.5));

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

for (auto& vertex : vertices) {

vertex += location;

}

face_target.addVertices(vertices);

face_target.addIndex(face_index + 0); face_target.addIndex(face_index + 1); face_target.addIndex(face_index + 2);

face_target.addIndex(face_index + 0); face_target.addIndex(face_index + 2); face_target.addIndex(face_index + 3);

face_target.addIndex(face_index + 4); face_target.addIndex(face_index + 5); face_target.addIndex(face_index + 6);

face_target.addIndex(face_index + 4); face_target.addIndex(face_index + 6); face_target.addIndex(face_index + 7);

face_target.addIndex(face_index + 0); face_target.addIndex(face_index + 4); face_target.addIndex(face_index + 5);

face_target.addIndex(face_index + 0); face_target.addIndex(face_index + 5); face_target.addIndex(face_index + 1);

face_target.addIndex(face_index + 3); face_target.addIndex(face_index + 7); face_target.addIndex(face_index + 6);

face_target.addIndex(face_index + 3); face_target.addIndex(face_index + 6); face_target.addIndex(face_index + 2);

auto frame_index = frame_target.getNumVertices();

frame_target.addVertices(vertices);

frame_target.addIndex(frame_index + 0); frame_target.addIndex(frame_index + 1);

frame_target.addIndex(frame_index + 2); frame_target.addIndex(frame_index + 3);

frame_target.addIndex(frame_index + 4); frame_target.addIndex(frame_index + 5);

frame_target.addIndex(frame_index + 6); frame_target.addIndex(frame_index + 7);

}

face_target.addIndex(index + 0); face_target.addIndex(index + 3); face_target.addIndex(index + 7);

face_target.addIndex(index + 0); face_target.addIndex(index + 7); face_target.addIndex(index + 4);

frame_target.addIndex(index + 0); frame_target.addIndex(index + 3);

frame_target.addIndex(index + 0); frame_target.addIndex(index + 4);

frame_target.addIndex(index + 7); frame_target.addIndex(index + 3);

frame_target.addIndex(index + 7); frame_target.addIndex(index + 4);

index = frame_target.getNumVertices() - 8;

face_target.addIndex(index + 1); face_target.addIndex(index + 2); face_target.addIndex(index + 6);

face_target.addIndex(index + 1); face_target.addIndex(index + 6); face_target.addIndex(index + 5);

frame_target.addIndex(index + 1); frame_target.addIndex(index + 2);

frame_target.addIndex(index + 1); frame_target.addIndex(index + 5);

frame_target.addIndex(index + 6); frame_target.addIndex(index + 2);

frame_target.addIndex(index + 6); frame_target.addIndex(index + 5);

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/DoodleDeProgramming/tree/eb7cfc5366083061ae038f60f4de6b94a828aab2

2026年3月23日

Double circle.

[ Video ]

[ About ]
2重円。

[ 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(25);
	ofSetWindowTitle("openFrameworks");

	ofBackground(39);
	ofSetColor(239);
	ofNoFill();
	ofEnableDepthTest();
}

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

	ofSeedRandom(39);
}

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

	this->cam.begin();
	ofRotateY(ofGetFrameNum() * 1.44);

	int radius = 300;
	bool flag = true;

	float noise_seed_x = ofRandom(1000);
	float noise_seed_y = ofRandom(1000);
	float noise_seed_z = ofRandom(1000);

	vector<glm::vec3> vertices_1, vertices_2;

	for (int deg = 0; deg < 360; deg += 8) {

		auto location_1 = glm::vec3(radius * cos(deg * DEG_TO_RAD), radius * sin(deg * DEG_TO_RAD), 0);

		auto rotation_z = glm::rotate(glm::mat4(), ofMap(ofNoise(noise_seed_z, location_1.x * 0.0001, location_1.y * 0.0001, ofGetFrameNum() * 0.01), 0, 1, -PI * 1, PI * 1), glm::vec3(0, 0, 1));
		auto rotation_y = glm::rotate(glm::mat4(), ofMap(ofNoise(noise_seed_y, location_1.x * 0.0001, location_1.y * 0.0001, ofGetFrameNum() * 0.01), 0, 1, -PI * 1, PI * 1), glm::vec3(0, 1, 0));
		auto rotation_x = glm::rotate(glm::mat4(), ofMap(ofNoise(noise_seed_x, location_1.x * 0.0001, location_1.x * 0.0001, ofGetFrameNum() * 0.01), 0, 1, -PI * 1, PI * 1), glm::vec3(1, 0, 0));

		auto location_2 = glm::vec4(location_1, 0) * rotation_y * rotation_x;

		ofDrawLine(location_1, location_2);

		vertices_1.push_back(location_1);
		vertices_2.push_back(location_2);
	}

	ofBeginShape();
	ofVertices(vertices_1);
	ofEndShape(true);

	ofBeginShape();
	ofVertices(vertices_2);
	ofEndShape(true);

	this->cam.end();

	/*
	// ffmpeg -i img_%04d.jpg aaa.mp4
	int start = 250;
	if (ofGetFrameNum() > start) {

		std::ostringstream os;
		os << std::setw(4) << std::setfill('0') << ofGetFrameNum() - start;
		ofImage image;
		image.grabScreen(0, 0, ofGetWidth(), ofGetHeight());
		image.saveImage("image/cap/img_" + os.str() + ".jpg");
		if (ofGetFrameNum() - start >= 25 * 20) {

			std::exit(1);
		}
	}
	*/
}


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

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

#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(25);

ofSetWindowTitle("openFrameworks");

ofBackground(39);

ofSetColor(239);

ofNoFill();

ofEnableDepthTest();

}

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

void ofApp::update() {

ofSeedRandom(39);

}

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

void ofApp::draw() {

this->cam.begin();

ofRotateY(ofGetFrameNum() * 1.44);

int radius = 300;

bool flag = true;

float noise_seed_x = ofRandom(1000);

float noise_seed_y = ofRandom(1000);

float noise_seed_z = ofRandom(1000);

vector<glm::vec3> vertices_1, vertices_2;

for (int deg = 0; deg < 360; deg += 8) {

auto location_1 = glm::vec3(radius * cos(deg * DEG_TO_RAD), radius * sin(deg * DEG_TO_RAD), 0);

auto rotation_z = glm::rotate(glm::mat4(), ofMap(ofNoise(noise_seed_z, location_1.x * 0.0001, location_1.y * 0.0001, ofGetFrameNum() * 0.01), 0, 1, -PI * 1, PI * 1), glm::vec3(0, 0, 1));

auto rotation_y = glm::rotate(glm::mat4(), ofMap(ofNoise(noise_seed_y, location_1.x * 0.0001, location_1.y * 0.0001, ofGetFrameNum() * 0.01), 0, 1, -PI * 1, PI * 1), glm::vec3(0, 1, 0));

auto rotation_x = glm::rotate(glm::mat4(), ofMap(ofNoise(noise_seed_x, location_1.x * 0.0001, location_1.x * 0.0001, ofGetFrameNum() * 0.01), 0, 1, -PI * 1, PI * 1), glm::vec3(1, 0, 0));

auto location_2 = glm::vec4(location_1, 0) * rotation_y * rotation_x;

ofDrawLine(location_1, location_2);

vertices_1.push_back(location_1);

vertices_2.push_back(location_2);

}

ofBeginShape();

ofVertices(vertices_1);

ofEndShape(true);

ofBeginShape();

ofVertices(vertices_2);

ofEndShape(true);

this->cam.end();

// ffmpeg -i img_%04d.jpg aaa.mp4

int start = 250;

if (ofGetFrameNum() > start) {

std::ostringstream os;

os << std::setw(4) << std::setfill('0') << ofGetFrameNum() - start;

ofImage image;

image.grabScreen(0, 0, ofGetWidth(), ofGetHeight());

image.saveImage("image/cap/img_" + os.str() + ".jpg");

if (ofGetFrameNum() - start >= 25 * 20) {

std::exit(1);

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/DoodleDeProgramming/tree/a82f425ffbb6f60ce98a4f5651c1fb90fb9012c9

2026年3月22日

Connection of Circles.

[ Video ]

[ About ]
繋がった円。

[ 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(25);
	ofSetWindowTitle("openFrameworks");

	ofBackground(239);
	ofSetColor(39);
	ofEnableDepthTest();
}

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

	ofSeedRandom(39);
}

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

	this->cam.begin();
	ofRotateY(ofGetFrameNum() * 1.44);

	int radius = 300;
	bool flag = true;

	float noise_seed_x = ofRandom(1000);
	float noise_seed_y = ofRandom(1000);
	float noise_seed_z = ofRandom(1000);
	for (int deg = 0; deg < 360; deg += 8) {

		auto location_1 = glm::vec3(radius * cos(deg * DEG_TO_RAD), radius * sin(deg * DEG_TO_RAD), 0);
		auto location_2 = glm::vec3(radius * 0.3 * cos(deg * DEG_TO_RAD), radius * 0.3 * sin(deg * DEG_TO_RAD), 0);

		auto rotation_z = glm::rotate(glm::mat4(), ofMap(ofNoise(noise_seed_z, location_1.x * 0.0003, location_1.y * 0.0003, ofGetFrameNum() * 0.005), 0, 1, -PI * 2, PI * 2), glm::vec3(0, 0, 1));
		auto rotation_y = glm::rotate(glm::mat4(), ofMap(ofNoise(noise_seed_y, location_1.x * 0.0003, location_1.y * 0.0003, ofGetFrameNum() * 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, location_1.x * 0.0003, location_1.x * 0.0003, ofGetFrameNum() * 0.005), 0, 1, -PI * 2, PI * 2), glm::vec3(1, 0, 0));

		location_2 = glm::vec4(location_2, 0) * rotation_y * rotation_x;

		ofDrawLine(location_1, location_2);

		ofDrawSphere(location_1, 3);
		ofDrawSphere(location_2, 2);
	}

	this->cam.end();

	/*
	// ffmpeg -i img_%04d.jpg aaa.mp4
	int start = 250;
	if (ofGetFrameNum() > start) {

		std::ostringstream os;
		os << std::setw(4) << std::setfill('0') << ofGetFrameNum() - start;
		ofImage image;
		image.grabScreen(0, 0, ofGetWidth(), ofGetHeight());
		image.saveImage("image/cap/img_" + os.str() + ".jpg");
		if (ofGetFrameNum() - start >= 25 * 20) {

			std::exit(1);
		}
	}
	*/
}


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

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

#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(25);

ofSetWindowTitle("openFrameworks");

ofBackground(239);

ofSetColor(39);

ofEnableDepthTest();

}

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

void ofApp::update() {

ofSeedRandom(39);

}

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

void ofApp::draw() {

this->cam.begin();

ofRotateY(ofGetFrameNum() * 1.44);

int radius = 300;

bool flag = true;

float noise_seed_x = ofRandom(1000);

float noise_seed_y = ofRandom(1000);

float noise_seed_z = ofRandom(1000);

for (int deg = 0; deg < 360; deg += 8) {

auto location_1 = glm::vec3(radius * cos(deg * DEG_TO_RAD), radius * sin(deg * DEG_TO_RAD), 0);

auto location_2 = glm::vec3(radius * 0.3 * cos(deg * DEG_TO_RAD), radius * 0.3 * sin(deg * DEG_TO_RAD), 0);

auto rotation_z = glm::rotate(glm::mat4(), ofMap(ofNoise(noise_seed_z, location_1.x * 0.0003, location_1.y * 0.0003, ofGetFrameNum() * 0.005), 0, 1, -PI * 2, PI * 2), glm::vec3(0, 0, 1));

auto rotation_y = glm::rotate(glm::mat4(), ofMap(ofNoise(noise_seed_y, location_1.x * 0.0003, location_1.y * 0.0003, ofGetFrameNum() * 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, location_1.x * 0.0003, location_1.x * 0.0003, ofGetFrameNum() * 0.005), 0, 1, -PI * 2, PI * 2), glm::vec3(1, 0, 0));

location_2 = glm::vec4(location_2, 0) * rotation_y * rotation_x;

ofDrawLine(location_1, location_2);

ofDrawSphere(location_1, 3);

ofDrawSphere(location_2, 2);

}

this->cam.end();

// ffmpeg -i img_%04d.jpg aaa.mp4

int start = 250;

if (ofGetFrameNum() > start) {

std::ostringstream os;

os << std::setw(4) << std::setfill('0') << ofGetFrameNum() - start;

ofImage image;

image.grabScreen(0, 0, ofGetWidth(), ofGetHeight());

image.saveImage("image/cap/img_" + os.str() + ".jpg");

if (ofGetFrameNum() - start >= 25 * 20) {

std::exit(1);

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/DoodleDeProgramming/tree/cf05e487e0e73e12b0e61b025a904544c8cecc49

2026年3月
月	火	水	木	金	土	日
						1
2	3	4	5	6	7	8
9	10	11	12	13	14	15
16	17	18	19	20	21	22
23	24	25	26	27	28	29
30	31