junkiyoshi – プログラミング de 落描き

2025年6月18日

Heart on heart.

[ Video ]

[ About ]
ハートの上のハート。

[ 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::vec2 make_point(float theta);

	vector<glm::vec2> location_list;
	vector<float> size_list;
	vector<float> speed_list;
	vector<float> max_size_list;
	vector<float> deg_list;
	vector<ofColor> 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) {};

glm::vec2 make_point(float theta);

vector<glm::vec2> location_list;

vector<float> size_list;

vector<float> speed_list;

vector<float> max_size_list;

vector<float> deg_list;

vector<ofColor> color_list;

};

#include "ofApp.h"	

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

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

	ofBackground(39);
	ofSetLineWidth(2);
	ofEnableBlendMode(ofBlendMode::OF_BLENDMODE_ADD);
}

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

	for (int i = this->location_list.size() - 1; i >= 0; i--) {

		this->size_list[i] += this->speed_list[i];

		if (this->size_list[i] > this->max_size_list[i]) {

			this->location_list.erase(this->location_list.begin() + i);
			this->size_list.erase(this->size_list.begin() + i);
			this->speed_list.erase(this->speed_list.begin() + i);
			this->max_size_list.erase(this->max_size_list.begin() + i);
			this->deg_list.erase(this->deg_list.begin() + i);
			this->color_list.erase(this->color_list.begin() + i);
		}
	}

	ofColor color;
	for (int i = 0; i < 2; i++) {

		auto theta = (i * 180 + ofGetFrameNum() * 4) * DEG_TO_RAD;

		auto location = 15 * this->make_point(theta);
		this->location_list.push_back(location);
		this->size_list.push_back(1);
		this->speed_list.push_back(ofRandom(1, 4));
		this->max_size_list.push_back(ofRandom(30, 80));
		this->deg_list.push_back(ofRandom(360));
		color.setHsb(ofRandom(255), 180, 255);
		this->color_list.push_back(color);
	}
}

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

	ofTranslate(ofGetWindowSize() * 0.5);

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

		ofPushMatrix();
		ofTranslate(this->location_list[i]);
		ofRotate(this->deg_list[i]);

		vector<glm::vec2> vertices;

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

			vertices.push_back(this->make_point(deg * DEG_TO_RAD) / 30 * this->size_list[i]);
		}

		auto fill_alpha = this->size_list[i] > this->max_size_list[i] * 0.6 ? ofMap(this->size_list[i], this->max_size_list[i] * 0.6, this->max_size_list[i], 200, 0) : 200;
		auto no_fill_alpha = this->size_list[i] > this->max_size_list[i] * 0.6 ? ofMap(this->size_list[i], this->max_size_list[i] * 0.6, this->max_size_list[i], 255, 0) : 255;

		ofFill();
		ofSetColor(this->color_list[i], fill_alpha);

		ofBeginShape();
		ofVertices(vertices);
		ofEndShape(true);

		ofNoFill();
		ofSetColor(this->color_list[i], no_fill_alpha);

		ofBeginShape();
		ofVertices(vertices);
		ofEndShape(true);

		ofPopMatrix();
	}

	/*
	int start = 260;
	if (ofGetFrameNum() > start) {

		ostringstream os;
		os << setw(4) << 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);
		}
	}
	*/
}

//--------------------------------------------------------------
//Reference by https://twitter.com/shiffman/status/1095764239665512453
glm::vec2 ofApp::make_point(float theta) {

	float x = 16 * (pow(sin(theta), 3));
	float y = 13 * cos(theta) - 5 * cos(2 * theta) - 2 * cos(3 * theta) - cos(4 * theta);
	return glm::vec2(x, -y);
}

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

#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(25);

ofSetWindowTitle("openFrameworks");

ofBackground(39);

ofSetLineWidth(2);

ofEnableBlendMode(ofBlendMode::OF_BLENDMODE_ADD);

}

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

void ofApp::update() {

for (int i = this->location_list.size() - 1; i >= 0; i--) {

this->size_list[i] += this->speed_list[i];

if (this->size_list[i] > this->max_size_list[i]) {

this->location_list.erase(this->location_list.begin() + i);

this->size_list.erase(this->size_list.begin() + i);

this->speed_list.erase(this->speed_list.begin() + i);

this->max_size_list.erase(this->max_size_list.begin() + i);

this->deg_list.erase(this->deg_list.begin() + i);

this->color_list.erase(this->color_list.begin() + i);

}

ofColor color;

for (int i = 0; i < 2; i++) {

auto theta = (i * 180 + ofGetFrameNum() * 4) * DEG_TO_RAD;

auto location = 15 * this->make_point(theta);

this->location_list.push_back(location);

this->size_list.push_back(1);

this->speed_list.push_back(ofRandom(1, 4));

this->max_size_list.push_back(ofRandom(30, 80));

this->deg_list.push_back(ofRandom(360));

color.setHsb(ofRandom(255), 180, 255);

this->color_list.push_back(color);

}

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

void ofApp::draw() {

ofTranslate(ofGetWindowSize() * 0.5);

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

ofPushMatrix();

ofTranslate(this->location_list[i]);

ofRotate(this->deg_list[i]);

vector<glm::vec2> vertices;

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

vertices.push_back(this->make_point(deg * DEG_TO_RAD) / 30 * this->size_list[i]);

}

auto fill_alpha = this->size_list[i] > this->max_size_list[i] * 0.6 ? ofMap(this->size_list[i], this->max_size_list[i] * 0.6, this->max_size_list[i], 200, 0) : 200;

auto no_fill_alpha = this->size_list[i] > this->max_size_list[i] * 0.6 ? ofMap(this->size_list[i], this->max_size_list[i] * 0.6, this->max_size_list[i], 255, 0) : 255;

ofFill();

ofSetColor(this->color_list[i], fill_alpha);

ofBeginShape();

ofVertices(vertices);

ofEndShape(true);

ofNoFill();

ofSetColor(this->color_list[i], no_fill_alpha);

ofBeginShape();

ofVertices(vertices);

ofEndShape(true);

ofPopMatrix();

}

int start = 260;

if (ofGetFrameNum() > start) {

ostringstream os;

os << setw(4) << 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);

}

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

//Reference by https://twitter.com/shiffman/status/1095764239665512453

glm::vec2 ofApp::make_point(float theta) {

float x = 16 * (pow(sin(theta), 3));

float y = 13 * cos(theta) - 5 * cos(2 * theta) - 2 * cos(3 * theta) - cos(4 * theta);

return glm::vec2(x, -y);

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20250618

2025年6月17日

Create hearts.

[ Video ]

[ About ]
ハート製造。

[ 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::vec2 make_point(float theta);

	vector<glm::vec2> location_list;
	vector<float> size_list;
	vector<float> speed_list;
	vector<float> max_size_list;
	vector<float> deg_list;
	vector<ofColor> 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) {};

glm::vec2 make_point(float theta);

vector<glm::vec2> location_list;

vector<float> size_list;

vector<float> speed_list;

vector<float> max_size_list;

vector<float> deg_list;

vector<ofColor> color_list;

};

#include "ofApp.h"	

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

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

	ofBackground(239);
}

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

	for (int i = this->location_list.size() - 1; i >= 0; i--) {

		this->size_list[i] += this->speed_list[i];

		if (this->size_list[i] > this->max_size_list[i]) {

			this->location_list.erase(this->location_list.begin() + i);
			this->size_list.erase(this->size_list.begin() + i);
			this->speed_list.erase(this->speed_list.begin() + i);
			this->max_size_list.erase(this->max_size_list.begin() + i);
			this->deg_list.erase(this->deg_list.begin() + i);
			this->color_list.erase(this->color_list.begin() + i);
		}
	}

	ofColor color;
	for (int i = 0; i < 3; i++) {

		auto random_x = ofRandom(ofGetWindowWidth() * -0.45, ofGetWindowWidth() * 0.45);
		auto random_y = ofRandom(ofGetWindowHeight() * -0.45, ofGetWindowHeight() * 0.45);

		auto location = glm::vec2(random_x, random_y);
		this->location_list.push_back(location);
		this->size_list.push_back(1);
		this->speed_list.push_back(ofRandom(1, 4));
		this->max_size_list.push_back(ofRandom(60, 120));
		this->deg_list.push_back(ofRandom(360));
		color.setHsb(ofMap(random_x, ofGetWindowWidth() * -0.45, ofGetWindowWidth() * 0.45, 0, 255), 255, 230);
		this->color_list.push_back(color);
	}
}

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

	ofTranslate(ofGetWindowSize() * 0.5);

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

		ofPushMatrix();
		ofTranslate(this->location_list[i]);
		ofRotate(this->deg_list[i]);

		vector<glm::vec2> vertices;

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

			vertices.push_back(this->make_point(deg * DEG_TO_RAD) / 30 * this->size_list[i]);
		}

		auto fill_alpha = this->size_list[i] > this->max_size_list[i] * 0.6 ? ofMap(this->size_list[i], this->max_size_list[i] * 0.6, this->max_size_list[i], 128, 0) : 128;
		auto no_fill_alpha = this->size_list[i] > this->max_size_list[i] * 0.6 ? ofMap(this->size_list[i], this->max_size_list[i] * 0.6, this->max_size_list[i], 255, 0) : 255;

		ofFill();
		ofSetColor(this->color_list[i], fill_alpha);

		ofBeginShape();
		ofVertices(vertices);
		ofEndShape(true);

		ofNoFill();
		ofSetColor(this->color_list[i], no_fill_alpha);

		ofBeginShape();
		ofVertices(vertices);
		ofEndShape(true);

		ofPopMatrix();
	}

	/*
	int start = 250;
	if (ofGetFrameNum() > start) {

		ostringstream os;
		os << setw(4) << 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);
		}
	}
	*/
}

//--------------------------------------------------------------
//Reference by https://twitter.com/shiffman/status/1095764239665512453
glm::vec2 ofApp::make_point(float theta) {

	float x = 16 * (pow(sin(theta), 3));
	float y = 13 * cos(theta) - 5 * cos(2 * theta) - 2 * cos(3 * theta) - cos(4 * theta);
	return glm::vec2(x, -y);
}

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

#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(25);

ofSetWindowTitle("openFrameworks");

ofBackground(239);

}

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

void ofApp::update() {

for (int i = this->location_list.size() - 1; i >= 0; i--) {

this->size_list[i] += this->speed_list[i];

if (this->size_list[i] > this->max_size_list[i]) {

this->location_list.erase(this->location_list.begin() + i);

this->size_list.erase(this->size_list.begin() + i);

this->speed_list.erase(this->speed_list.begin() + i);

this->max_size_list.erase(this->max_size_list.begin() + i);

this->deg_list.erase(this->deg_list.begin() + i);

this->color_list.erase(this->color_list.begin() + i);

}

ofColor color;

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

auto random_x = ofRandom(ofGetWindowWidth() * -0.45, ofGetWindowWidth() * 0.45);

auto random_y = ofRandom(ofGetWindowHeight() * -0.45, ofGetWindowHeight() * 0.45);

auto location = glm::vec2(random_x, random_y);

this->location_list.push_back(location);

this->size_list.push_back(1);

this->speed_list.push_back(ofRandom(1, 4));

this->max_size_list.push_back(ofRandom(60, 120));

this->deg_list.push_back(ofRandom(360));

color.setHsb(ofMap(random_x, ofGetWindowWidth() * -0.45, ofGetWindowWidth() * 0.45, 0, 255), 255, 230);

this->color_list.push_back(color);

}

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

void ofApp::draw() {

ofTranslate(ofGetWindowSize() * 0.5);

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

ofPushMatrix();

ofTranslate(this->location_list[i]);

ofRotate(this->deg_list[i]);

vector<glm::vec2> vertices;

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

vertices.push_back(this->make_point(deg * DEG_TO_RAD) / 30 * this->size_list[i]);

}

auto fill_alpha = this->size_list[i] > this->max_size_list[i] * 0.6 ? ofMap(this->size_list[i], this->max_size_list[i] * 0.6, this->max_size_list[i], 128, 0) : 128;

auto no_fill_alpha = this->size_list[i] > this->max_size_list[i] * 0.6 ? ofMap(this->size_list[i], this->max_size_list[i] * 0.6, this->max_size_list[i], 255, 0) : 255;

ofFill();

ofSetColor(this->color_list[i], fill_alpha);

ofBeginShape();

ofVertices(vertices);

ofEndShape(true);

ofNoFill();

ofSetColor(this->color_list[i], no_fill_alpha);

ofBeginShape();

ofVertices(vertices);

ofEndShape(true);

ofPopMatrix();

}

int start = 250;

if (ofGetFrameNum() > start) {

ostringstream os;

os << setw(4) << 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);

}

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

//Reference by https://twitter.com/shiffman/status/1095764239665512453

glm::vec2 ofApp::make_point(float theta) {

float x = 16 * (pow(sin(theta), 3));

float y = 13 * cos(theta) - 5 * cos(2 * theta) - 2 * cos(3 * theta) - cos(4 * theta);

return glm::vec2(x, -y);

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20250617

2025年6月16日

Hexagon waving.

[ Video ]

[ About ]
六角形の波

[ 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 setHexagonToMesh(ofMesh& face_target, ofMesh& frame_target, glm::vec3 location, float radius, float height);

	vector<glm::vec3> location_list;

	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 setHexagonToMesh(ofMesh& face_target, ofMesh& frame_target, glm::vec3 location, float radius, float height);

vector<glm::vec3> location_list;

ofEasyCam cam;

ofMesh face, frame;

};

#include "ofApp.h"

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

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

	ofBackground(39);
	ofEnableDepthTest();

	auto radius = 16;
	auto x_span = radius * sqrt(3);
	auto flg = true;
	for (float y = -360; y <= 360; y += radius * 1.5) {

		for (float x = -360; x <= 360; x += x_span) {

			glm::vec3 location;
			if (flg) {

				location = glm::vec3(x, y, 0);
			}
			else {

				location = glm::vec3(x + (x_span / 2), y, 0);
			}

			this->location_list.push_back(location);
		}
		flg = !flg;
	}

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

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

	ofSeedRandom(39);

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

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

		auto radius = glm::length(this->location_list[i]);

		auto z = ofMap(ofNoise(((int)radius / 25 * 25) * 0.0025 - ofGetFrameNum() * 0.025), 0, 1, -250, 250);
		auto location = this->location_list[i] + glm::vec3(0, 0, z);

		this->setHexagonToMesh(this->face, this->frame, location, 15, 6);
	}
}

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

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

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

	this->cam.end();

	/*
	int start = 250 + 125;
	if (ofGetFrameNum() > start) {

		ostringstream os;
		os << setw(4) << 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::setHexagonToMesh(ofMesh& face_target, ofMesh& frame_target, glm::vec3 location, float radius, float height) {

	ofColor face_color = ofColor(0);
	ofColor frame_color = ofColor(255);

	for (int deg = 90; deg < 450; deg += 60) {

		auto face_radius = radius - 0.5;
		auto face_index = face_target.getNumVertices();
		auto frame_index = frame_target.getNumVertices();

		vector<glm::vec3> vertices;
		vertices.push_back(glm::vec3(0, 0, 0));
		vertices.push_back(glm::vec3(face_radius * cos(deg * DEG_TO_RAD), face_radius * sin(deg * DEG_TO_RAD), 0));
		vertices.push_back(glm::vec3(face_radius * cos((deg + 60) * DEG_TO_RAD), face_radius * sin((deg + 60) * DEG_TO_RAD), 0));
		vertices.push_back(glm::vec3(0, 0, height));
		vertices.push_back(glm::vec3(face_radius * cos((deg + 60) * DEG_TO_RAD), face_radius * sin((deg + 60) * DEG_TO_RAD), height));
		vertices.push_back(glm::vec3(face_radius * cos(deg * DEG_TO_RAD), face_radius * sin(deg * DEG_TO_RAD), height));

		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 + 3); face_target.addIndex(face_index + 4); face_target.addIndex(face_index + 5);
		face_target.addIndex(face_index + 1); face_target.addIndex(face_index + 2); face_target.addIndex(face_index + 4);
		face_target.addIndex(face_index + 1); face_target.addIndex(face_index + 4); face_target.addIndex(face_index + 5);

		frame_target.addVertices(vertices);

		frame_target.addIndex(frame_index + 1); frame_target.addIndex(frame_index + 2);
		frame_target.addIndex(frame_index + 4); frame_target.addIndex(frame_index + 5);
		frame_target.addIndex(frame_index + 1); frame_target.addIndex(frame_index + 5);
		frame_target.addIndex(frame_index + 2); frame_target.addIndex(frame_index + 4);

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

#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(25);

ofSetWindowTitle("openFrameworks");

ofBackground(39);

ofEnableDepthTest();

auto radius = 16;

auto x_span = radius * sqrt(3);

auto flg = true;

for (float y = -360; y <= 360; y += radius * 1.5) {

for (float x = -360; x <= 360; x += x_span) {

glm::vec3 location;

if (flg) {

location = glm::vec3(x, y, 0);

}

else {

location = glm::vec3(x + (x_span / 2), y, 0);

}

this->location_list.push_back(location);

}

flg = !flg;

}

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

}

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

void ofApp::update() {

ofSeedRandom(39);

this->face.clear();

this->frame.clear();

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

auto radius = glm::length(this->location_list[i]);

auto z = ofMap(ofNoise(((int)radius / 25 * 25) * 0.0025 - ofGetFrameNum() * 0.025), 0, 1, -250, 250);

auto location = this->location_list[i] + glm::vec3(0, 0, z);

this->setHexagonToMesh(this->face, this->frame, location, 15, 6);

}

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

void ofApp::draw() {

this->cam.begin();

ofRotateZ(ofGetFrameNum() * 1.44);

this->face.draw();

this->frame.draw();

this->cam.end();

int start = 250 + 125;

if (ofGetFrameNum() > start) {

ostringstream os;

os << setw(4) << 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::setHexagonToMesh(ofMesh& face_target, ofMesh& frame_target, glm::vec3 location, float radius, float height) {

ofColor face_color = ofColor(0);

ofColor frame_color = ofColor(255);

for (int deg = 90; deg < 450; deg += 60) {

auto face_radius = radius - 0.5;

auto face_index = face_target.getNumVertices();

auto frame_index = frame_target.getNumVertices();

vector<glm::vec3> vertices;

vertices.push_back(glm::vec3(0, 0, 0));

vertices.push_back(glm::vec3(face_radius * cos(deg * DEG_TO_RAD), face_radius * sin(deg * DEG_TO_RAD), 0));

vertices.push_back(glm::vec3(face_radius * cos((deg + 60) * DEG_TO_RAD), face_radius * sin((deg + 60) * DEG_TO_RAD), 0));

vertices.push_back(glm::vec3(0, 0, height));

vertices.push_back(glm::vec3(face_radius * cos((deg + 60) * DEG_TO_RAD), face_radius * sin((deg + 60) * DEG_TO_RAD), height));

vertices.push_back(glm::vec3(face_radius * cos(deg * DEG_TO_RAD), face_radius * sin(deg * DEG_TO_RAD), height));

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 + 3); face_target.addIndex(face_index + 4); face_target.addIndex(face_index + 5);

face_target.addIndex(face_index + 1); face_target.addIndex(face_index + 2); face_target.addIndex(face_index + 4);

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

frame_target.addVertices(vertices);

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

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

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

frame_target.addIndex(frame_index + 2); frame_target.addIndex(frame_index + 4);

for (int i = 0; i < vertices.size(); 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/Insta20250616

2025年6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