2025年7月 – プログラミング de 落描き

2025年7月3日

View Tube.

[ Video ]

[ About ]
内側から見る。

[ Source ]

#pragma once
#include "ofMain.h"

class ofApp : public ofBaseApp {

public:
	void setup();
	void update();
	void draw();

	void keyPressed(int key) {};
	void keyReleased(int key) {};
	void mouseMoved(int x, int y) {};
	void mouseDragged(int x, int y, int button) {};
	void mousePressed(int x, int y, int button) {};
	void mouseReleased(int x, int y, int button) {};
	void windowResized(int w, int h) {};
	void dragEvent(ofDragInfo dragInfo) {};
	void gotMessage(ofMessage msg) {};

	glm::vec3 make_point(float R, float r, float u, float v, float scale = 1.0);

	ofEasyCam cam;
	ofMesh face_mesh, frame_mesh;

	vector<glm::vec3> location_list;
	vector<float> height_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::vec3 make_point(float R, float r, float u, float v, float scale = 1.0);

ofEasyCam cam;

ofMesh face_mesh, frame_mesh;

vector<glm::vec3> location_list;

vector<float> height_list;

};

#include "ofApp.h"

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

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

	ofBackground(239);
	ofSetLineWidth(1);
	ofEnableDepthTest();

	for (auto v = 0; v < 360; v += 1) {

		for (auto u = 0; u < 360; u += 3) {

			this->location_list.push_back(this->make_point(200, 80, u, v));
			this->height_list.push_back(0);
		}
	}

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

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

	ofSeedRandom(39);

	this->face_mesh.clear();
	this->frame_mesh.clear();

	auto R = 200;
	auto r = 80;

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

		auto noise_value = ofNoise(glm::vec4(this->location_list[i] * 0.013, ofGetFrameNum() * 0.01));
		int height = ofMap(noise_value, 0, 1, 0, 50);
		this->height_list[i] = (height / 10) * 10 * -1;
	}

	int index = 0;
	auto v_span = 1;
	auto u_span = 3;
	ofColor face_color;
	for (auto v = 0; v < 360; v += v_span) {

		for (auto u = 0; u < 360; u += u_span) {

			auto height = this->height_list[index++];
			face_color = ofColor(ofMap(height, 0, -50, 239, 39));
			
			vector<glm::vec3> vertices;
			vertices.push_back(this->make_point(R, r, u, v));
			vertices.push_back(this->make_point(R, r, u + u_span, v));
			vertices.push_back(this->make_point(R, r, u + u_span, v + v_span));
			vertices.push_back(this->make_point(R, r, u, v + v_span));
			vertices.push_back(this->make_point(R, r + height, u, v));
			vertices.push_back(this->make_point(R, r + height, u + u_span, v));
			vertices.push_back(this->make_point(R, r + height, u + u_span, v + v_span));
			vertices.push_back(this->make_point(R, r + height, u, v + v_span));

			vector<glm::vec3> vertices_2;
			vertices_2.push_back(this->make_point(R, r, u, v, 0.999));
			vertices_2.push_back(this->make_point(R, r, u + u_span, v, 0.999));
			vertices_2.push_back(this->make_point(R, r, u + u_span, v + v_span, 0.999));
			vertices_2.push_back(this->make_point(R, r, u, v + v_span, 0.999));
			vertices_2.push_back(this->make_point(R, r + height, u, v, 0.999));
			vertices_2.push_back(this->make_point(R, r + height, u + u_span, v, 0.999));
			vertices_2.push_back(this->make_point(R, r + height, u + u_span, v + v_span, 0.999));
			vertices_2.push_back(this->make_point(R, r + height, u, v + v_span, 0.999));

			int index = this->face_mesh.getNumVertices();
			this->face_mesh.addVertices(vertices);
			this->frame_mesh.addVertices(vertices_2);

			// Face Index

			this->face_mesh.addIndex(index + 0); this->face_mesh.addIndex(index + 1); this->face_mesh.addIndex(index + 2);
			this->face_mesh.addIndex(index + 0); this->face_mesh.addIndex(index + 2); this->face_mesh.addIndex(index + 3);

			this->face_mesh.addIndex(index + 4); this->face_mesh.addIndex(index + 5); this->face_mesh.addIndex(index + 6);
			this->face_mesh.addIndex(index + 4); this->face_mesh.addIndex(index + 6); this->face_mesh.addIndex(index + 7);

			this->face_mesh.addIndex(index + 0); this->face_mesh.addIndex(index + 4); this->face_mesh.addIndex(index + 5);
			this->face_mesh.addIndex(index + 0); this->face_mesh.addIndex(index + 5); this->face_mesh.addIndex(index + 1);

			this->face_mesh.addIndex(index + 1); this->face_mesh.addIndex(index + 5); this->face_mesh.addIndex(index + 6);
			this->face_mesh.addIndex(index + 1); this->face_mesh.addIndex(index + 6); this->face_mesh.addIndex(index + 2);

			this->face_mesh.addIndex(index + 2); this->face_mesh.addIndex(index + 6); this->face_mesh.addIndex(index + 7);
			this->face_mesh.addIndex(index + 2); this->face_mesh.addIndex(index + 7); this->face_mesh.addIndex(index + 3);

			this->face_mesh.addIndex(index + 3); this->face_mesh.addIndex(index + 7); this->face_mesh.addIndex(index + 4);
			this->face_mesh.addIndex(index + 3); this->face_mesh.addIndex(index + 4); this->face_mesh.addIndex(index + 0);

			// Frame Index

			this->frame_mesh.addIndex(index + 0); this->frame_mesh.addIndex(index + 1);
			this->frame_mesh.addIndex(index + 1); this->frame_mesh.addIndex(index + 2);
			this->frame_mesh.addIndex(index + 2); this->frame_mesh.addIndex(index + 3);
			this->frame_mesh.addIndex(index + 3); this->frame_mesh.addIndex(index + 0);

			this->frame_mesh.addIndex(index + 4); this->frame_mesh.addIndex(index + 5);
			this->frame_mesh.addIndex(index + 5); this->frame_mesh.addIndex(index + 6);
			this->frame_mesh.addIndex(index + 6); this->frame_mesh.addIndex(index + 7);
			this->frame_mesh.addIndex(index + 7); this->frame_mesh.addIndex(index + 4);

			this->frame_mesh.addIndex(index + 0); this->frame_mesh.addIndex(index + 4);
			this->frame_mesh.addIndex(index + 1); this->frame_mesh.addIndex(index + 5);
			this->frame_mesh.addIndex(index + 2); this->frame_mesh.addIndex(index + 6);
			this->frame_mesh.addIndex(index + 3); this->frame_mesh.addIndex(index + 7);

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

				this->face_mesh.addColor(face_color);
			}
		}
	}
}

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

	int R = 200;
	int r = 60;

	this->cam.begin();
	ofRotateX(90);
	this->cam.setPosition(R, 0, r * 2);
	ofRotateZ(ofGetFrameNum() * 0.72); 

	ofSetColor(39);
	this->face_mesh.drawFaces();

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

	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);
		}
	}
	*/
}

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

	// 数学デッサン教室 描いて楽しむ数学たち　P.31

	u *= DEG_TO_RAD;
	v *= DEG_TO_RAD;

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

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

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

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

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#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(25);

ofSetWindowTitle("openframeworks");

ofBackground(239);

ofSetLineWidth(1);

ofEnableDepthTest();

for (auto v = 0; v < 360; v += 1) {

for (auto u = 0; u < 360; u += 3) {

this->location_list.push_back(this->make_point(200, 80, u, v));

this->height_list.push_back(0);

}

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

}

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

void ofApp::update() {

ofSeedRandom(39);

this->face_mesh.clear();

this->frame_mesh.clear();

auto R = 200;

auto r = 80;

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

auto noise_value = ofNoise(glm::vec4(this->location_list[i] * 0.013, ofGetFrameNum() * 0.01));

int height = ofMap(noise_value, 0, 1, 0, 50);

this->height_list[i] = (height / 10) * 10 * -1;

}

int index = 0;

auto v_span = 1;

auto u_span = 3;

ofColor face_color;

for (auto v = 0; v < 360; v += v_span) {

for (auto u = 0; u < 360; u += u_span) {

auto height = this->height_list[index++];

face_color = ofColor(ofMap(height, 0, -50, 239, 39));

vector<glm::vec3> vertices;

vertices.push_back(this->make_point(R, r, u, v));

vertices.push_back(this->make_point(R, r, u + u_span, v));

vertices.push_back(this->make_point(R, r, u + u_span, v + v_span));

vertices.push_back(this->make_point(R, r, u, v + v_span));

vertices.push_back(this->make_point(R, r + height, u, v));

vertices.push_back(this->make_point(R, r + height, u + u_span, v));

vertices.push_back(this->make_point(R, r + height, u + u_span, v + v_span));

vertices.push_back(this->make_point(R, r + height, u, v + v_span));

vector<glm::vec3> vertices_2;

vertices_2.push_back(this->make_point(R, r, u, v, 0.999));

vertices_2.push_back(this->make_point(R, r, u + u_span, v, 0.999));

vertices_2.push_back(this->make_point(R, r, u + u_span, v + v_span, 0.999));

vertices_2.push_back(this->make_point(R, r, u, v + v_span, 0.999));

vertices_2.push_back(this->make_point(R, r + height, u, v, 0.999));

vertices_2.push_back(this->make_point(R, r + height, u + u_span, v, 0.999));

vertices_2.push_back(this->make_point(R, r + height, u + u_span, v + v_span, 0.999));

vertices_2.push_back(this->make_point(R, r + height, u, v + v_span, 0.999));

int index = this->face_mesh.getNumVertices();

this->face_mesh.addVertices(vertices);

this->frame_mesh.addVertices(vertices_2);

// Face Index

this->face_mesh.addIndex(index + 0); this->face_mesh.addIndex(index + 1); this->face_mesh.addIndex(index + 2);

this->face_mesh.addIndex(index + 0); this->face_mesh.addIndex(index + 2); this->face_mesh.addIndex(index + 3);

this->face_mesh.addIndex(index + 4); this->face_mesh.addIndex(index + 5); this->face_mesh.addIndex(index + 6);

this->face_mesh.addIndex(index + 4); this->face_mesh.addIndex(index + 6); this->face_mesh.addIndex(index + 7);

this->face_mesh.addIndex(index + 0); this->face_mesh.addIndex(index + 4); this->face_mesh.addIndex(index + 5);

this->face_mesh.addIndex(index + 0); this->face_mesh.addIndex(index + 5); this->face_mesh.addIndex(index + 1);

this->face_mesh.addIndex(index + 1); this->face_mesh.addIndex(index + 5); this->face_mesh.addIndex(index + 6);

this->face_mesh.addIndex(index + 1); this->face_mesh.addIndex(index + 6); this->face_mesh.addIndex(index + 2);

this->face_mesh.addIndex(index + 2); this->face_mesh.addIndex(index + 6); this->face_mesh.addIndex(index + 7);

this->face_mesh.addIndex(index + 2); this->face_mesh.addIndex(index + 7); this->face_mesh.addIndex(index + 3);

this->face_mesh.addIndex(index + 3); this->face_mesh.addIndex(index + 7); this->face_mesh.addIndex(index + 4);

this->face_mesh.addIndex(index + 3); this->face_mesh.addIndex(index + 4); this->face_mesh.addIndex(index + 0);

// Frame Index

this->frame_mesh.addIndex(index + 0); this->frame_mesh.addIndex(index + 1);

this->frame_mesh.addIndex(index + 1); this->frame_mesh.addIndex(index + 2);

this->frame_mesh.addIndex(index + 2); this->frame_mesh.addIndex(index + 3);

this->frame_mesh.addIndex(index + 3); this->frame_mesh.addIndex(index + 0);

this->frame_mesh.addIndex(index + 4); this->frame_mesh.addIndex(index + 5);

this->frame_mesh.addIndex(index + 5); this->frame_mesh.addIndex(index + 6);

this->frame_mesh.addIndex(index + 6); this->frame_mesh.addIndex(index + 7);

this->frame_mesh.addIndex(index + 7); this->frame_mesh.addIndex(index + 4);

this->frame_mesh.addIndex(index + 0); this->frame_mesh.addIndex(index + 4);

this->frame_mesh.addIndex(index + 1); this->frame_mesh.addIndex(index + 5);

this->frame_mesh.addIndex(index + 2); this->frame_mesh.addIndex(index + 6);

this->frame_mesh.addIndex(index + 3); this->frame_mesh.addIndex(index + 7);

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

this->face_mesh.addColor(face_color);

}

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

void ofApp::draw() {

int R = 200;

int r = 60;

this->cam.begin();

ofRotateX(90);

this->cam.setPosition(R, 0, r * 2);

ofRotateZ(ofGetFrameNum() * 0.72);

ofSetColor(39);

this->face_mesh.drawFaces();

ofSetColor(239);

this->frame_mesh.drawWireframe();

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);

}

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

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

// 数学デッサン教室描いて楽しむ数学たち　P.31

u *= DEG_TO_RAD;

v *= DEG_TO_RAD;

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

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

auto z = r * sin(u) * scale;

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

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20250703

2025年7月2日

Communicating Patterns.

[ Video ]

[ About ]
移動するパターン。

[ 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) {};

	vector<glm::vec2> location_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 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) {};

vector<glm::vec2> location_list;

};

#include "ofApp.h"

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

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

	ofBackground(39);
	ofSetLineWidth(3);
	ofSetColor(239);
	
	auto span = 20;
	for (int x = -1000; x < 1000; x += span) {

		for (int y = -1000; y < 1000; y += span) {

			if ((x + 1000) % 200 > 100) {

				this->location_list.push_back(glm::vec2(x, y));
			}
		}
	}
}

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

}

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

	ofTranslate(ofGetWindowSize() * 0.5);
	ofRotate(ofGetFrameNum() * 0.72);

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

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

		auto len = 10;
		auto noise_value = ofNoise(this->location_list[i].x * 0.003, this->location_list[i].y * 0.003 + ofGetFrameNum() * 0.03);
		noise_value < 0.5 ? ofDrawLine(-len, -len, len, len) : ofDrawLine(-len, len, len, -len);

		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);
		}
	}
	*/
}

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

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

#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(25);

ofSetWindowTitle("openFrameworks");

ofBackground(39);

ofSetLineWidth(3);

ofSetColor(239);

auto span = 20;

for (int x = -1000; x < 1000; x += span) {

for (int y = -1000; y < 1000; y += span) {

if ((x + 1000) % 200 > 100) {

this->location_list.push_back(glm::vec2(x, y));

}

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

void ofApp::update() {

}

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

void ofApp::draw() {

ofTranslate(ofGetWindowSize() * 0.5);

ofRotate(ofGetFrameNum() * 0.72);

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

ofPushMatrix();

ofTranslate(this->location_list[i]);

auto len = 10;

auto noise_value = ofNoise(this->location_list[i].x * 0.003, this->location_list[i].y * 0.003 + ofGetFrameNum() * 0.03);

noise_value < 0.5 ? ofDrawLine(-len, -len, len, len) : ofDrawLine(-len, len, len, -len);

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);

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20250702

2025年7月1日

PRINT 10.

[ Video ]

[ About ]
PRINT 10 の上の PRINT 10.

[ 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) {};

	ofTrueTypeFont font;
	vector<glm::vec2> font_location_list;

	float noise_seed;
};

#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) {};

ofTrueTypeFont font;

vector<glm::vec2> font_location_list;

float noise_seed;

};

#include "ofApp.h"

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

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

	ofBackground(239);
	ofSetLineWidth(3);
	ofSetColor(0);
	ofFill();

	this->font.loadFont("fonts/Kazesawa-Bold.ttf", 210, true, true, true);

	ofFbo fbo;
	fbo.allocate(ofGetWidth(), ofGetHeight());
	fbo.begin();
	ofTranslate(ofGetWidth() * 0.5, ofGetHeight() * 0.5);
	ofClear(0);
	ofSetColor(0);

	auto word = "PRIN";
	this->font.drawString(word, font.stringWidth(word) * -0.5, font.stringHeight(word) - 225);
	word = "T 10";
	this->font.drawString(word, font.stringWidth(word) * -0.5, font.stringHeight(word) + 25);

	fbo.end();
	auto span = 8;
	ofPixels pixels;
	fbo.readToPixels(pixels);
	for (int x = 0; x < 720; x += span) {

		for (int y = 0; y < 720; y += span) {

			ofColor color = pixels.getColor(x, y);
			if (color != ofColor(0, 0)) {

				this->font_location_list.push_back(glm::vec3(x - ofGetWidth() * 0.5, y - ofGetHeight() * 0.5, 0));
			}
		}
	}

	this->noise_seed = 39;
}

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

	if (ofGetFrameNum() % 25 < 3 ) {

		this->noise_seed = ofRandom(1000);
	}

	ofSeedRandom(this->noise_seed);
}

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

	ofTranslate(ofGetWindowSize() * 0.5);

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

		ofPushMatrix();
		ofTranslate(this->font_location_list[i]);

		auto len = 4;
		ofRandom(1) < 0.5 ? ofDrawLine(-len, -len, len, len) : ofDrawLine(-len, len, len, -len);

		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);
		}
	}
	*/
}

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

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

#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(25);

ofSetWindowTitle("openFrameworks");

ofBackground(239);

ofSetLineWidth(3);

ofSetColor(0);

ofFill();

this->font.loadFont("fonts/Kazesawa-Bold.ttf", 210, true, true, true);

ofFbo fbo;

fbo.allocate(ofGetWidth(), ofGetHeight());

fbo.begin();

ofTranslate(ofGetWidth() * 0.5, ofGetHeight() * 0.5);

ofClear(0);

ofSetColor(0);

auto word = "PRIN";

this->font.drawString(word, font.stringWidth(word) * -0.5, font.stringHeight(word) - 225);

word = "T 10";

this->font.drawString(word, font.stringWidth(word) * -0.5, font.stringHeight(word) + 25);

fbo.end();

auto span = 8;

ofPixels pixels;

fbo.readToPixels(pixels);

for (int x = 0; x < 720; x += span) {

for (int y = 0; y < 720; y += span) {

ofColor color = pixels.getColor(x, y);

if (color != ofColor(0, 0)) {

this->font_location_list.push_back(glm::vec3(x - ofGetWidth() * 0.5, y - ofGetHeight() * 0.5, 0));

}

this->noise_seed = 39;

}

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

void ofApp::update() {

if (ofGetFrameNum() % 25 < 3 ) {

this->noise_seed = ofRandom(1000);

}

ofSeedRandom(this->noise_seed);

}

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

void ofApp::draw() {

ofTranslate(ofGetWindowSize() * 0.5);

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

ofPushMatrix();

ofTranslate(this->font_location_list[i]);

auto len = 4;

ofRandom(1) < 0.5 ? ofDrawLine(-len, -len, len, len) : ofDrawLine(-len, len, len, -len);

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);

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20250701

2025年7月
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