プログラミング de 落描き – ページ 2 – クリエイティブ・コーディングによる生成物とソース

2025年11月9日

Peek in circle.

[ Video ]

[ About ]
円を覗く。

[ 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(25);
	ofSetWindowTitle("openframeworks");

	ofBackground(39);
	ofEnableDepthTest();
}
//--------------------------------------------------------------
void ofApp::update() {

	ofSeedRandom(39);
}

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

	this->cam.begin();

	auto radius = 50;
	auto len = 5;
	auto noise_seed = glm::vec3(ofRandom(100), ofRandom(100), ofRandom(100));
	for (int z = 0; z < 300; z += 10) {

		auto rotate_x = ofMap(ofNoise(noise_seed.x, z * 0.0025 + ofGetFrameNum() * 0.01), 0, 1, -30, 30);
		auto rotate_y = ofMap(ofNoise(noise_seed.y, z * 0.0025 + ofGetFrameNum() * 0.01), 0, 1, -30, 30);
		auto rotate_z = ofMap(ofNoise(noise_seed.z, z * 0.0025 + ofGetFrameNum() * 0.01), 0, 1, -30, 30);

		ofPushMatrix();
		ofRotateZ(rotate_z);
		ofRotateY(rotate_y);
		ofRotateX(rotate_x);

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

			vector<glm::vec3> vertices;

			vertices.push_back(glm::vec3(radius * cos(deg * DEG_TO_RAD), radius * sin(deg * DEG_TO_RAD), z));
			vertices.push_back(glm::vec3(radius * cos((deg + 1) * DEG_TO_RAD), radius * sin((deg + 1) * DEG_TO_RAD), z));
			vertices.push_back(glm::vec3((radius + len) * cos((deg + 1) * DEG_TO_RAD), (radius + len) * sin((deg + 1) * DEG_TO_RAD), z));
			vertices.push_back(glm::vec3((radius + len) * cos(deg * DEG_TO_RAD), (radius + len) * sin(deg * DEG_TO_RAD), z));

			ofSetColor(0);
			ofBeginShape();
			ofVertices(vertices);
			ofEndShape();

			ofSetColor(255);
			ofDrawLine(vertices[0], vertices[1]);
			ofDrawLine(vertices[2], vertices[3]);
		}

		ofPopMatrix();
	}

	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);

ofEnableDepthTest();

}

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

void ofApp::update() {

ofSeedRandom(39);

}

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

void ofApp::draw() {

this->cam.begin();

auto radius = 50;

auto len = 5;

auto noise_seed = glm::vec3(ofRandom(100), ofRandom(100), ofRandom(100));

for (int z = 0; z < 300; z += 10) {

auto rotate_x = ofMap(ofNoise(noise_seed.x, z * 0.0025 + ofGetFrameNum() * 0.01), 0, 1, -30, 30);

auto rotate_y = ofMap(ofNoise(noise_seed.y, z * 0.0025 + ofGetFrameNum() * 0.01), 0, 1, -30, 30);

auto rotate_z = ofMap(ofNoise(noise_seed.z, z * 0.0025 + ofGetFrameNum() * 0.01), 0, 1, -30, 30);

ofPushMatrix();

ofRotateZ(rotate_z);

ofRotateY(rotate_y);

ofRotateX(rotate_x);

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

vector<glm::vec3> vertices;

vertices.push_back(glm::vec3(radius * cos(deg * DEG_TO_RAD), radius * sin(deg * DEG_TO_RAD), z));

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

vertices.push_back(glm::vec3((radius + len) * cos((deg + 1) * DEG_TO_RAD), (radius + len) * sin((deg + 1) * DEG_TO_RAD), z));

vertices.push_back(glm::vec3((radius + len) * cos(deg * DEG_TO_RAD), (radius + len) * sin(deg * DEG_TO_RAD), z));

ofSetColor(0);

ofBeginShape();

ofVertices(vertices);

ofEndShape();

ofSetColor(255);

ofDrawLine(vertices[0], vertices[1]);

ofDrawLine(vertices[2], vertices[3]);

}

ofPopMatrix();

}

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/0e479175fec2b27b3b1cc6f88164cd23e03d8355

2025年11月8日

Panel chain.

[ Video ]

[ About ]
パネルチェーン。

[ 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) {};

	void setRingToMesh(ofMesh& face_target, ofMesh& frame_target, glm::vec3 location, float radius, float width, float height, glm::vec2 noise_seed, ofColor face_color, ofColor frame_color);

	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 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) {};

void setRingToMesh(ofMesh& face_target, ofMesh& frame_target, glm::vec3 location, float radius, float width, float height, glm::vec2 noise_seed, ofColor face_color, ofColor frame_color);

ofEasyCam cam;

ofMesh face, frame;

};

#include "ofApp.h"

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

	ofSetFrameRate(25);
	ofSetWindowTitle("openframeworks");

	ofBackground(239);
	ofEnableDepthTest();

	this->frame.setMode(ofPrimitiveMode::OF_PRIMITIVE_LINES);
}
//--------------------------------------------------------------
void ofApp::update() {

	ofSeedRandom(39);

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

	auto noise_seed = glm::vec2(ofRandom(1000), ofRandom(1000));
	for (auto radius = 5; radius < 360; radius += 5) {

		this->setRingToMesh(this->face, this->frame, glm::vec3(), radius, 3, 60, noise_seed, ofColor(0), ofColor(255));
	}
}

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

	this->cam.begin();
	ofRotateY(180 + 90);

	this->face.draw();

	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, glm::vec2 noise_seed, ofColor face_color, ofColor frame_color) {

	auto noise_value = glm::vec2(
		ofNoise(noise_seed.x, radius * 0.005 + ofGetFrameNum() * 0.01), 
		ofNoise(noise_seed.y, radius * 0.005 + ofGetFrameNum() * 0.01));

	auto angle_x = ofMap(noise_value.x, 0, 1, -PI * 0.5, PI * 0.5);
	auto angle_y = ofMap(noise_value.y, 0, 1, -PI * 0.5, PI * 0.5);

	auto rotation_x = glm::rotate(glm::mat4(), angle_x, glm::vec3(1, 0, 0));
	auto rotation_y = glm::rotate(glm::mat4(), angle_y, glm::vec3(0, 1, 0));

	int max = 10;
	for (int deg = 0; deg < max; 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 + glm::vec4(vertex, 0) * rotation_y * rotation_x;
		}

		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);

		if (deg == 0) {

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

			frame_target.addIndex(frame_index + 0); frame_target.addIndex(frame_index + 4);
			frame_target.addIndex(frame_index + 3); frame_target.addIndex(frame_index + 7);
		}

		if (deg == max -1) {

			frame_target.addIndex(frame_index + 1); frame_target.addIndex(frame_index + 2);
			frame_target.addIndex(frame_index + 5); frame_target.addIndex(frame_index + 6);

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

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

			face_target.addColor(face_color);
			frame_target.addColor(frame_color);
		}
	}


}

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

#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(25);

ofSetWindowTitle("openframeworks");

ofBackground(239);

ofEnableDepthTest();

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

}

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

void ofApp::update() {

ofSeedRandom(39);

this->face.clear();

this->frame.clear();

auto noise_seed = glm::vec2(ofRandom(1000), ofRandom(1000));

for (auto radius = 5; radius < 360; radius += 5) {

this->setRingToMesh(this->face, this->frame, glm::vec3(), radius, 3, 60, noise_seed, ofColor(0), ofColor(255));

}

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

void ofApp::draw() {

this->cam.begin();

ofRotateY(180 + 90);

this->face.draw();

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, glm::vec2 noise_seed, ofColor face_color, ofColor frame_color) {

auto noise_value = glm::vec2(

ofNoise(noise_seed.x, radius * 0.005 + ofGetFrameNum() * 0.01),

ofNoise(noise_seed.y, radius * 0.005 + ofGetFrameNum() * 0.01));

auto angle_x = ofMap(noise_value.x, 0, 1, -PI * 0.5, PI * 0.5);

auto angle_y = ofMap(noise_value.y, 0, 1, -PI * 0.5, PI * 0.5);

auto rotation_x = glm::rotate(glm::mat4(), angle_x, glm::vec3(1, 0, 0));

auto rotation_y = glm::rotate(glm::mat4(), angle_y, glm::vec3(0, 1, 0));

int max = 10;

for (int deg = 0; deg < max; 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 + glm::vec4(vertex, 0) * rotation_y * rotation_x;

}

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);

if (deg == 0) {

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

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

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

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

}

if (deg == max -1) {

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

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

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

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

}

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

face_target.addColor(face_color);

frame_target.addColor(frame_color);

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/DoodleDeProgramming/tree/071a1aee1c25b03277b13590341b4d03c3b3a1da

2025年11月7日

Peeking through the gap.

[ Video ]

[ About ]
すき間から覗く。

[ 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) {};

	void setRingToMesh(ofMesh& face_target, ofMesh& frame_target, glm::vec3 location, float radius, float width, float height, glm::vec2 noise_seed, ofColor face_color, ofColor frame_color);

	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 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) {};

void setRingToMesh(ofMesh& face_target, ofMesh& frame_target, glm::vec3 location, float radius, float width, float height, glm::vec2 noise_seed, ofColor face_color, ofColor frame_color);

ofEasyCam cam;

ofMesh face, frame;

};

#include "ofApp.h"

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

	ofSetFrameRate(25);
	ofSetWindowTitle("openframeworks");

	ofBackground(39);
	ofEnableDepthTest();

	this->frame.setMode(ofPrimitiveMode::OF_PRIMITIVE_LINES);
}
//--------------------------------------------------------------
void ofApp::update() {

	ofSeedRandom(39);

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

	auto noise_seed = glm::vec2(ofRandom(1000), ofRandom(1000));

	this->setRingToMesh(this->face, this->frame, glm::vec3(), 0, 180, 10, noise_seed, ofColor(255, 39, 0), ofColor(255));
	noise_seed -= 0.008 * 80;
	for (auto radius = 260; radius < 360; radius += 5) {

		noise_seed -= 0.008;
		this->setRingToMesh(this->face, this->frame, glm::vec3(), radius, 3, 60, noise_seed, ofColor(0), ofColor(255));

	}
}

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

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

	this->face.draw();

	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, glm::vec2 noise_seed, ofColor face_color, ofColor frame_color) {

	float angle_x = radius * 0.05 + ofGetFrameNum() * 0.01;
	float angle_y = radius * 0.05 + ofGetFrameNum() * 0.01;

	auto rotation_x = glm::rotate(glm::mat4(), angle_x, glm::vec3(1, 0, 0));
	auto rotation_y = glm::rotate(glm::mat4(), angle_y, glm::vec3(0, 1, 0));

	for (int deg = 0; deg < 360; 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 + glm::vec4(vertex, 0) * rotation_y * rotation_x;
		}

		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);

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

			face_target.addColor(face_color);
			frame_target.addColor(frame_color);
		}
	}


}

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

#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(25);

ofSetWindowTitle("openframeworks");

ofBackground(39);

ofEnableDepthTest();

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

}

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

void ofApp::update() {

ofSeedRandom(39);

this->face.clear();

this->frame.clear();

auto noise_seed = glm::vec2(ofRandom(1000), ofRandom(1000));

this->setRingToMesh(this->face, this->frame, glm::vec3(), 0, 180, 10, noise_seed, ofColor(255, 39, 0), ofColor(255));

noise_seed -= 0.008 * 80;

for (auto radius = 260; radius < 360; radius += 5) {

noise_seed -= 0.008;

this->setRingToMesh(this->face, this->frame, glm::vec3(), radius, 3, 60, noise_seed, ofColor(0), ofColor(255));

}

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

void ofApp::draw() {

this->cam.begin();

ofRotateY(ofGetFrameNum() * 1.44);

this->face.draw();

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, glm::vec2 noise_seed, ofColor face_color, ofColor frame_color) {

float angle_x = radius * 0.05 + ofGetFrameNum() * 0.01;

float angle_y = radius * 0.05 + ofGetFrameNum() * 0.01;