junkiyoshi – ページ 41 – プログラミング de 落描き

2025年5月12日

Two layer boxes.

[ Video ]

[ About ]
2層箱。

[ 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 draw_panel(vector<glm::vec3> vertices);

	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) {};

void draw_panel(vector<glm::vec3> vertices);

ofEasyCam cam;

};

#include "ofApp.h"

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

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

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

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

}

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

	int len = 300;
	int size = 20;
	float noise_span = 0.0075;

	this->cam.begin();
	ofRotateX(ofGetFrameNum() * 0.72);
	ofRotateY(ofGetFrameNum() * 1.44);

	for (int s_1 = len * -0.5; s_1 <= len * 0.5; s_1 += size) {

		for (int s_2 = len * -0.5; s_2 <= len * 0.5; s_2 += size) {

			vector<glm::vec3> vertices;
			auto p = (len + size) * 0.5;

			vertices.clear();
			vertices.push_back(glm::vec3(p, s_1 - size * 0.5, s_2 - size * 0.5));
			vertices.push_back(glm::vec3(p, s_1 + size * 0.5, s_2 - size * 0.5));
			vertices.push_back(glm::vec3(p, s_1 + size * 0.5, s_2 + size * 0.5));
			vertices.push_back(glm::vec3(p, s_1 - size * 0.5, s_2 + size * 0.5));

			auto noise_value = ofNoise(p * noise_span, s_1 * noise_span, s_2 * noise_span, ofGetFrameNum() * 0.01);
			auto add = 0;
			if (noise_value > 0.5 && noise_value < 0.55) {

				add = ofMap(noise_value, 0.5, 0.55, 0, size * 3);
			}
			else if(noise_value >= 0.55) {
			
				add = size * 3;
			}
			for (auto& vertex : vertices) {

				vertex.x += add;
			}

			this->draw_panel(vertices);

			vertices.clear();
			vertices.push_back(glm::vec3(-p, s_1 - size * 0.5, s_2 - size * 0.5));
			vertices.push_back(glm::vec3(-p, s_1 + size * 0.5, s_2 - size * 0.5));
			vertices.push_back(glm::vec3(-p, s_1 + size * 0.5, s_2 + size * 0.5));
			vertices.push_back(glm::vec3(-p, s_1 - size * 0.5, s_2 + size * 0.5));

			noise_value = ofNoise(p * noise_span, s_1 * noise_span, s_2 * noise_span, ofGetFrameNum() * 0.01);
			add = 0;
			if (noise_value > 0.5 && noise_value < 0.55) {

				add = ofMap(noise_value, 0.5, 0.55, 0, size * 3);
			}
			else if (noise_value >= 0.55) {

				add = size * 3;
			}
			for (auto& vertex : vertices) {

				vertex.x -= add;
			}

			this->draw_panel(vertices);

			vertices.clear();
			vertices.push_back(glm::vec3(s_1 - size * 0.5, p, s_2 - size * 0.5));
			vertices.push_back(glm::vec3(s_1 + size * 0.5, p, s_2 - size * 0.5));
			vertices.push_back(glm::vec3(s_1 + size * 0.5, p, s_2 + size * 0.5));
			vertices.push_back(glm::vec3(s_1 - size * 0.5, p, s_2 + size * 0.5));

			noise_value = ofNoise(s_1 * noise_span, p * noise_span, s_2 * noise_span, ofGetFrameNum() * 0.01);
			add = 0;
			if (noise_value > 0.5 && noise_value < 0.55) {

				add = ofMap(noise_value, 0.5, 0.55, 0, size * 3);
			}
			else if (noise_value >= 0.55) {

				add = size * 3;
			}
			for (auto& vertex : vertices) {

				vertex.y += add;
			}

			this->draw_panel(vertices);

			vertices.clear();
			vertices.push_back(glm::vec3(s_1 - size * 0.5, -p, s_2 - size * 0.5));
			vertices.push_back(glm::vec3(s_1 + size * 0.5, -p, s_2 - size * 0.5));
			vertices.push_back(glm::vec3(s_1 + size * 0.5, -p, s_2 + size * 0.5));
			vertices.push_back(glm::vec3(s_1 - size * 0.5, -p, s_2 + size * 0.5));

			noise_value = ofNoise(s_1 * noise_span, p * noise_span, s_2 * noise_span, ofGetFrameNum() * 0.01);
			add = 0;
			if (noise_value > 0.5 && noise_value < 0.55) {

				add = ofMap(noise_value, 0.5, 0.55, 0, size * 3);
			}
			else if (noise_value >= 0.55) {

				add = size * 3;
			}
			for (auto& vertex : vertices) {

				vertex.y -= add;
			}

			this->draw_panel(vertices);

			vertices.clear();
			vertices.push_back(glm::vec3(s_1 - size * 0.5, s_2 - size * 0.5, p));
			vertices.push_back(glm::vec3(s_1 + size * 0.5, s_2 - size * 0.5, p));
			vertices.push_back(glm::vec3(s_1 + size * 0.5, s_2 + size * 0.5, p));
			vertices.push_back(glm::vec3(s_1 - size * 0.5, s_2 + size * 0.5, p));

			noise_value = ofNoise(s_1 * noise_span, s_2 * noise_span, p * noise_span, ofGetFrameNum() * 0.01);
			add = 0;
			if (noise_value > 0.5 && noise_value < 0.55) {

				add = ofMap(noise_value, 0.5, 0.55, 0, size * 3);
			}
			else if (noise_value >= 0.55) {

				add = size * 3;
			}
			for (auto& vertex : vertices) {

				vertex.z += add;
			}

			this->draw_panel(vertices);

			vertices.clear();
			vertices.push_back(glm::vec3(s_1 - size * 0.5, s_2 - size * 0.5, -p));
			vertices.push_back(glm::vec3(s_1 + size * 0.5, s_2 - size * 0.5, -p));
			vertices.push_back(glm::vec3(s_1 + size * 0.5, s_2 + size * 0.5, -p));
			vertices.push_back(glm::vec3(s_1 - size * 0.5, s_2 + size * 0.5, -p));

			noise_value = ofNoise(s_1 * noise_span, s_2 * noise_span, p * noise_span, ofGetFrameNum() * 0.01);
			add = 0;
			if (noise_value > 0.5 && noise_value < 0.55) {

				add = ofMap(noise_value, 0.5, 0.55, 0, size * 3);
			}
			else if (noise_value >= 0.55) {

				add = size * 3;
			}
			for (auto& vertex : vertices) {

				vertex.z -= add;
			}

			this->draw_panel(vertices);
		}
	}

	this->cam.end();

	/*
	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);
		}
	}
	*/
}

//--------------------------------------------------------------
void ofApp::draw_panel(vector<glm::vec3> vertices) {

	ofMesh face, line;
	face.addVertices(vertices);

	face.addIndex(0); face.addIndex(1); face.addIndex(2);
	face.addIndex(0); face.addIndex(2); face.addIndex(3);

	ofSetColor(255);
	face.draw();

	line.setMode(ofPrimitiveMode::OF_PRIMITIVE_LINES);
	line.addVertices(vertices);

	line.addIndex(0); line.addIndex(1);
	line.addIndex(1); line.addIndex(2);
	line.addIndex(2); line.addIndex(3);
	line.addIndex(3); line.addIndex(0);

	ofSetColor(0);
	line.drawWireframe();
}

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

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

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#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(25);

ofSetWindowTitle("openFrameworks");

ofBackground(239);

ofSetLineWidth(2);

ofEnableDepthTest();

}

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

void ofApp::update() {

}

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

void ofApp::draw() {

int len = 300;

int size = 20;

float noise_span = 0.0075;

this->cam.begin();

ofRotateX(ofGetFrameNum() * 0.72);

ofRotateY(ofGetFrameNum() * 1.44);

for (int s_1 = len * -0.5; s_1 <= len * 0.5; s_1 += size) {

for (int s_2 = len * -0.5; s_2 <= len * 0.5; s_2 += size) {

vector<glm::vec3> vertices;

auto p = (len + size) * 0.5;

vertices.clear();

vertices.push_back(glm::vec3(p, s_1 - size * 0.5, s_2 - size * 0.5));

vertices.push_back(glm::vec3(p, s_1 + size * 0.5, s_2 - size * 0.5));

vertices.push_back(glm::vec3(p, s_1 + size * 0.5, s_2 + size * 0.5));

vertices.push_back(glm::vec3(p, s_1 - size * 0.5, s_2 + size * 0.5));

auto noise_value = ofNoise(p * noise_span, s_1 * noise_span, s_2 * noise_span, ofGetFrameNum() * 0.01);

auto add = 0;

if (noise_value > 0.5 && noise_value < 0.55) {

add = ofMap(noise_value, 0.5, 0.55, 0, size * 3);

}

else if(noise_value >= 0.55) {

add = size * 3;

}

for (auto& vertex : vertices) {

vertex.x += add;

}

this->draw_panel(vertices);

vertices.clear();

vertices.push_back(glm::vec3(-p, s_1 - size * 0.5, s_2 - size * 0.5));

vertices.push_back(glm::vec3(-p, s_1 + size * 0.5, s_2 - size * 0.5));

vertices.push_back(glm::vec3(-p, s_1 + size * 0.5, s_2 + size * 0.5));

vertices.push_back(glm::vec3(-p, s_1 - size * 0.5, s_2 + size * 0.5));

noise_value = ofNoise(p * noise_span, s_1 * noise_span, s_2 * noise_span, ofGetFrameNum() * 0.01);

add = 0;

if (noise_value > 0.5 && noise_value < 0.55) {

add = ofMap(noise_value, 0.5, 0.55, 0, size * 3);

}

else if (noise_value >= 0.55) {

add = size * 3;

}

for (auto& vertex : vertices) {

vertex.x -= add;

}

this->draw_panel(vertices);

vertices.clear();

vertices.push_back(glm::vec3(s_1 - size * 0.5, p, s_2 - size * 0.5));

vertices.push_back(glm::vec3(s_1 + size * 0.5, p, s_2 - size * 0.5));

vertices.push_back(glm::vec3(s_1 + size * 0.5, p, s_2 + size * 0.5));

vertices.push_back(glm::vec3(s_1 - size * 0.5, p, s_2 + size * 0.5));

noise_value = ofNoise(s_1 * noise_span, p * noise_span, s_2 * noise_span, ofGetFrameNum() * 0.01);

add = 0;

if (noise_value > 0.5 && noise_value < 0.55) {

add = ofMap(noise_value, 0.5, 0.55, 0, size * 3);

}

else if (noise_value >= 0.55) {

add = size * 3;

}

for (auto& vertex : vertices) {

vertex.y += add;

}

this->draw_panel(vertices);

vertices.clear();

vertices.push_back(glm::vec3(s_1 - size * 0.5, -p, s_2 - size * 0.5));

vertices.push_back(glm::vec3(s_1 + size * 0.5, -p, s_2 - size * 0.5));

vertices.push_back(glm::vec3(s_1 + size * 0.5, -p, s_2 + size * 0.5));

vertices.push_back(glm::vec3(s_1 - size * 0.5, -p, s_2 + size * 0.5));

noise_value = ofNoise(s_1 * noise_span, p * noise_span, s_2 * noise_span, ofGetFrameNum() * 0.01);

add = 0;

if (noise_value > 0.5 && noise_value < 0.55) {

add = ofMap(noise_value, 0.5, 0.55, 0, size * 3);

}

else if (noise_value >= 0.55) {

add = size * 3;

}

for (auto& vertex : vertices) {

vertex.y -= add;

}

this->draw_panel(vertices);

vertices.clear();

vertices.push_back(glm::vec3(s_1 - size * 0.5, s_2 - size * 0.5, p));

vertices.push_back(glm::vec3(s_1 + size * 0.5, s_2 - size * 0.5, p));

vertices.push_back(glm::vec3(s_1 + size * 0.5, s_2 + size * 0.5, p));

vertices.push_back(glm::vec3(s_1 - size * 0.5, s_2 + size * 0.5, p));

noise_value = ofNoise(s_1 * noise_span, s_2 * noise_span, p * noise_span, ofGetFrameNum() * 0.01);

add = 0;

if (noise_value > 0.5 && noise_value < 0.55) {

add = ofMap(noise_value, 0.5, 0.55, 0, size * 3);

}

else if (noise_value >= 0.55) {

add = size * 3;

}

for (auto& vertex : vertices) {

vertex.z += add;

}

this->draw_panel(vertices);

vertices.clear();

vertices.push_back(glm::vec3(s_1 - size * 0.5, s_2 - size * 0.5, -p));

vertices.push_back(glm::vec3(s_1 + size * 0.5, s_2 - size * 0.5, -p));

vertices.push_back(glm::vec3(s_1 + size * 0.5, s_2 + size * 0.5, -p));

vertices.push_back(glm::vec3(s_1 - size * 0.5, s_2 + size * 0.5, -p));

noise_value = ofNoise(s_1 * noise_span, s_2 * noise_span, p * noise_span, ofGetFrameNum() * 0.01);

add = 0;

if (noise_value > 0.5 && noise_value < 0.55) {

add = ofMap(noise_value, 0.5, 0.55, 0, size * 3);

}

else if (noise_value >= 0.55) {

add = size * 3;

}

for (auto& vertex : vertices) {

vertex.z -= add;

}

this->draw_panel(vertices);

}

this->cam.end();

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);

}

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

void ofApp::draw_panel(vector<glm::vec3> vertices) {

ofMesh face, line;

face.addVertices(vertices);

face.addIndex(0); face.addIndex(1); face.addIndex(2);

face.addIndex(0); face.addIndex(2); face.addIndex(3);

ofSetColor(255);

face.draw();

line.setMode(ofPrimitiveMode::OF_PRIMITIVE_LINES);

line.addVertices(vertices);

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

line.addIndex(1); line.addIndex(2);

line.addIndex(2); line.addIndex(3);

line.addIndex(3); line.addIndex(0);

ofSetColor(0);

line.drawWireframe();

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20250512

2025年5月11日

Smile.

[ Video ]

[ About ]
にこちゃんまーく。

[ 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) {};

	float frame_num;
};

#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) {};

float frame_num;

};

#include "ofApp.h"

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

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

	ofBackground(39);
	ofSetColor(255);

	ofSetLineWidth(1);
}

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

	ofSeedRandom(39);

	if (ofGetFrameNum() % 50 < 25) {

		this->frame_num += 3.6;
	}
}

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

	float radius = 60;
	for (float y = radius * 1.5; y <= 720 - radius * 1.5; y += radius) {

		for (float x = radius * 1.5; x <= 720 - radius * 1.5; x += radius) {

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

			ofPushMatrix();
			ofTranslate(location);
			ofRotate(45);

			for (int draw_radius = radius; draw_radius >= 0; draw_radius -= 30) {

				int random_deg = ofRandom(360);
				random_deg = (random_deg / 90) * 90 + 45;
				int speed = ofRandom(1, 4);
				auto deg_start = random_deg + this->frame_num * speed;
				auto deg_len = 180;
				auto deg_end = deg_start + deg_len;

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

					glm::vec2 location = glm::vec2(draw_radius * 0.5 * cos(deg * DEG_TO_RAD), draw_radius * 0.5 * sin(deg * DEG_TO_RAD));
					ofVertex(location);
				}
				ofEndShape(draw_radius == radius - 30);

				if (draw_radius == radius - 30) {

					ofFill();

					ofDrawCircle(glm::vec2(draw_radius * 0.5 * cos((deg_start + 225) * DEG_TO_RAD),
						draw_radius * 0.5 * sin((deg_start + 225) * DEG_TO_RAD)), 3);

					ofDrawCircle(glm::vec2(draw_radius * 0.5 * cos((deg_start + 315) * DEG_TO_RAD),
						draw_radius * 0.5 * sin((deg_start + 315) * DEG_TO_RAD)), 3);
				}
			}

			ofPopMatrix();
		}
	}

	/*
	int start = 100;
	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);
		}
	}
	*/
}

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

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

#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(25);

ofSetWindowTitle("openframeworks");

ofBackground(39);

ofSetColor(255);

ofSetLineWidth(1);

}

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

void ofApp::update() {

ofSeedRandom(39);

if (ofGetFrameNum() % 50 < 25) {

this->frame_num += 3.6;

}

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

void ofApp::draw() {

float radius = 60;

for (float y = radius * 1.5; y <= 720 - radius * 1.5; y += radius) {

for (float x = radius * 1.5; x <= 720 - radius * 1.5; x += radius) {

glm::vec3 location;

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

ofPushMatrix();

ofTranslate(location);

ofRotate(45);

for (int draw_radius = radius; draw_radius >= 0; draw_radius -= 30) {

int random_deg = ofRandom(360);

random_deg = (random_deg / 90) * 90 + 45;

int speed = ofRandom(1, 4);

auto deg_start = random_deg + this->frame_num * speed;

auto deg_len = 180;

auto deg_end = deg_start + deg_len;

ofNoFill();

ofBeginShape();

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

glm::vec2 location = glm::vec2(draw_radius * 0.5 * cos(deg * DEG_TO_RAD), draw_radius * 0.5 * sin(deg * DEG_TO_RAD));

ofVertex(location);

}

ofEndShape(draw_radius == radius - 30);

if (draw_radius == radius - 30) {

ofFill();

ofDrawCircle(glm::vec2(draw_radius * 0.5 * cos((deg_start + 225) * DEG_TO_RAD),

draw_radius * 0.5 * sin((deg_start + 225) * DEG_TO_RAD)), 3);

ofDrawCircle(glm::vec2(draw_radius * 0.5 * cos((deg_start + 315) * DEG_TO_RAD),

draw_radius * 0.5 * sin((deg_start + 315) * DEG_TO_RAD)), 3);

}

ofPopMatrix();

}

int start = 100;

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);

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20250511

2025年5月10日

Incomplete net.

[ Video ]

[ About ]
不完全な網。

[ 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) {};
};

#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) {};

};

#include "ofApp.h"

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

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

	ofBackground(239);
	ofSetColor(0);

	ofNoFill();
	ofSetLineWidth(2);
}

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

	ofSeedRandom(39);
}

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

	float radius = 60;
	for (float y = radius * 1.5; y <= 720 - radius * 1.5; y += radius) {

		for (float x = radius * 1.5; x <= 720 - radius * 1.5; x += radius) {

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

			ofPushMatrix();
			ofTranslate(location);
			ofRotate(45);

			for (int draw_radius = radius; draw_radius >= radius; draw_radius -= 8) {

				auto deg_start = ofRandom(360) + ofGetFrameNum() * 1.44;
				auto deg_len = 180;
				auto deg_end = deg_start + deg_len;

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

					int param = deg % 90;

					glm::vec2 location;
					if (param == 0) {

						location = glm::vec2(draw_radius * cos(deg * DEG_TO_RAD), draw_radius * sin(deg * DEG_TO_RAD));
					}
					else {

						int p1 = deg / 90;
						int p2 = p1 + 1;

						auto p1_deg = p1 * 90;
						auto p2_deg = p2 * 90;

						auto source = glm::vec2(draw_radius * cos(p1_deg * DEG_TO_RAD), draw_radius * sin(p1_deg * DEG_TO_RAD));
						auto target = glm::vec2(draw_radius * cos(p2_deg * DEG_TO_RAD), draw_radius * sin(p2_deg * DEG_TO_RAD));

						location = source + ((target - source) / 90 * param);
					}

					ofVertex(location);
				}
				ofEndShape(false);
			}

			ofPopMatrix();
		}
	}

	/*
	int start = 50;
	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);
		}
	}
	*/
}

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

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

#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(25);

ofSetWindowTitle("openframeworks");

ofBackground(239);

ofSetColor(0);

ofNoFill();

ofSetLineWidth(2);

}

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

void ofApp::update() {

ofSeedRandom(39);

}

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

void ofApp::draw() {

float radius = 60;

for (float y = radius * 1.5; y <= 720 - radius * 1.5; y += radius) {

for (float x = radius * 1.5; x <= 720 - radius * 1.5; x += radius) {

glm::vec3 location;

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

ofPushMatrix();

ofTranslate(location);

ofRotate(45);

for (int draw_radius = radius; draw_radius >= radius; draw_radius -= 8) {

auto deg_start = ofRandom(360) + ofGetFrameNum() * 1.44;

auto deg_len = 180;

auto deg_end = deg_start + deg_len;

ofBeginShape();

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

int param = deg % 90;

glm::vec2 location;

if (param == 0) {

location = glm::vec2(draw_radius * cos(deg * DEG_TO_RAD), draw_radius * sin(deg * DEG_TO_RAD));

}

else {

int p1 = deg / 90;

int p2 = p1 + 1;

auto p1_deg = p1 * 90;

auto p2_deg = p2 * 90;

auto source = glm::vec2(draw_radius * cos(p1_deg * DEG_TO_RAD), draw_radius * sin(p1_deg * DEG_TO_RAD));

auto target = glm::vec2(draw_radius * cos(p2_deg * DEG_TO_RAD), draw_radius * sin(p2_deg * DEG_TO_RAD));

location = source + ((target - source) / 90 * param);

}

ofVertex(location);

}

ofEndShape(false);

}

ofPopMatrix();

}

int start = 50;

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);

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20250510

2025年9月
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