2025年3月 – ページ 8 – プログラミング de 落描き

2025年3月10日

Triple circle.

[ Video ]

[ About ]
３重円。

[ Source ]

#pragma once
#include "ofMain.h"

class ofApp : public ofBaseApp {

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

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

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

	ofEasyCam cam;
	ofMesh mesh;
};

#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);

ofEasyCam cam;

ofMesh mesh;

};

#include "ofApp.h"

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

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

	ofBackground(39);
	ofSetColor(200);
	ofSetLineWidth(0.5);
	ofEnableDepthTest();
	ofEnableBlendMode(ofBlendMode::OF_BLENDMODE_ADD);

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

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

	ofSeedRandom(39);

	this->mesh.clear();

	auto r = 50;
	auto v_span = 3;
	auto u_span = 5;

	int index = 0;
	ofColor color;
	
	for (auto R = 300; R > 0; R -= 100) {

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

			for (auto u = 0; u < 180; u += u_span) {

				vector<glm::vec3> vertices;
				vertices.push_back(this->make_point(R, ofMap(ofNoise(glm::vec4(this->make_point(R, r, u, v) * 0.01, ofGetFrameNum() * 0.02)), 0, 1, 0, r), u, v));
				vertices.push_back(this->make_point(R, ofMap(ofNoise(glm::vec4(this->make_point(R, r, u + u_span, v) * 0.01, ofGetFrameNum() * 0.02)), 0, 1, 0, r), u + u_span, v));
				vertices.push_back(this->make_point(R, ofMap(ofNoise(glm::vec4(this->make_point(R, r, u + u_span, v + v_span) * 0.01, ofGetFrameNum() * 0.02)), 0, 1, 0, r), u + u_span, v + v_span));
				vertices.push_back(this->make_point(R, ofMap(ofNoise(glm::vec4(this->make_point(R, r, u, v + v_span) * 0.01, ofGetFrameNum() * 0.02)), 0, 1, 0, r), u, v + v_span));

				for (auto& vertex : vertices) {

					vertex.z = 0;
				}

				int index = this->mesh.getNumVertices();
				this->mesh.addVertices(vertices);

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

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

	this->cam.begin();

	this->mesh.drawWireframe();

	this->cam.end();

	/*
	int start = 500;
	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) {

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

	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(39);

ofSetColor(200);

ofSetLineWidth(0.5);

ofEnableDepthTest();

ofEnableBlendMode(ofBlendMode::OF_BLENDMODE_ADD);

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

}

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

void ofApp::update() {

ofSeedRandom(39);

this->mesh.clear();

auto r = 50;

auto v_span = 3;

auto u_span = 5;

int index = 0;

ofColor color;

for (auto R = 300; R > 0; R -= 100) {

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

for (auto u = 0; u < 180; u += u_span) {

vector<glm::vec3> vertices;

vertices.push_back(this->make_point(R, ofMap(ofNoise(glm::vec4(this->make_point(R, r, u, v) * 0.01, ofGetFrameNum() * 0.02)), 0, 1, 0, r), u, v));

vertices.push_back(this->make_point(R, ofMap(ofNoise(glm::vec4(this->make_point(R, r, u + u_span, v) * 0.01, ofGetFrameNum() * 0.02)), 0, 1, 0, r), u + u_span, v));

vertices.push_back(this->make_point(R, ofMap(ofNoise(glm::vec4(this->make_point(R, r, u + u_span, v + v_span) * 0.01, ofGetFrameNum() * 0.02)), 0, 1, 0, r), u + u_span, v + v_span));

vertices.push_back(this->make_point(R, ofMap(ofNoise(glm::vec4(this->make_point(R, r, u, v + v_span) * 0.01, ofGetFrameNum() * 0.02)), 0, 1, 0, r), u, v + v_span));

for (auto& vertex : vertices) {

vertex.z = 0;

}

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

this->mesh.addVertices(vertices);

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

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

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

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

}

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

void ofApp::draw() {

this->cam.begin();

this->mesh.drawWireframe();

this->cam.end();

int start = 500;

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) {

// 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)) * cos(v);

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

auto z = r * sin(u);

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

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20250310

2025年3月9日2025年3月9日

Circle of lines.

[ Video ]

[ About ]
線の輪。

[ 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);

	ofEasyCam cam;
	ofMesh mesh;
};

#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);

ofEasyCam cam;

ofMesh mesh;

};

#include "ofApp.h"

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

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

	ofBackground(239);
	ofSetColor(39);
	ofSetLineWidth(1.5);
	ofEnableDepthTest();

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

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

	ofSeedRandom(39);

	this->mesh.clear();

	auto R = 200;
	auto r = 125;
	auto v_span = 3;
	auto u_span = 3;

	int index = 0;

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

		for (auto u = 0; u < 180; u += u_span) {

			vector<glm::vec3> vertices;
			vertices.push_back(this->make_point(R, ofMap(ofNoise(glm::vec4(this->make_point(R, r, u, v) * 0.0045, ofGetFrameNum() * 0.02)), 0, 1, 0, r), u, v));
			vertices.push_back(this->make_point(R, ofMap(ofNoise(glm::vec4(this->make_point(R, r, u + u_span, v) * 0.0045, ofGetFrameNum() * 0.02)), 0, 1, 0, r), u + u_span, v));
			vertices.push_back(this->make_point(R, ofMap(ofNoise(glm::vec4(this->make_point(R, r, u + u_span, v + v_span) * 0.0045, ofGetFrameNum() * 0.02)), 0, 1, 0, r), u + u_span, v + v_span));
			vertices.push_back(this->make_point(R, ofMap(ofNoise(glm::vec4(this->make_point(R, r, u, v + v_span) * 0.0045, ofGetFrameNum() * 0.02)), 0, 1, 0, r), u, v + v_span));

			for (auto& vertex : vertices) {

				vertex.z *= 0.25;
			}

			int index = this->mesh.getNumVertices();
			this->mesh.addVertices(vertices);

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

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

	this->cam.begin();
	ofRotateZ(ofGetFrameNum() * 0.72);

	this->mesh.drawWireframe();

	this->cam.end();

	/*
	int start = 500;
	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) {

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

	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);

ofSetColor(39);

ofSetLineWidth(1.5);

ofEnableDepthTest();

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

}

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

void ofApp::update() {

ofSeedRandom(39);

this->mesh.clear();

auto R = 200;

auto r = 125;

auto v_span = 3;

auto u_span = 3;

int index = 0;

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

for (auto u = 0; u < 180; u += u_span) {

vector<glm::vec3> vertices;

vertices.push_back(this->make_point(R, ofMap(ofNoise(glm::vec4(this->make_point(R, r, u, v) * 0.0045, ofGetFrameNum() * 0.02)), 0, 1, 0, r), u, v));

vertices.push_back(this->make_point(R, ofMap(ofNoise(glm::vec4(this->make_point(R, r, u + u_span, v) * 0.0045, ofGetFrameNum() * 0.02)), 0, 1, 0, r), u + u_span, v));

vertices.push_back(this->make_point(R, ofMap(ofNoise(glm::vec4(this->make_point(R, r, u + u_span, v + v_span) * 0.0045, ofGetFrameNum() * 0.02)), 0, 1, 0, r), u + u_span, v + v_span));

vertices.push_back(this->make_point(R, ofMap(ofNoise(glm::vec4(this->make_point(R, r, u, v + v_span) * 0.0045, ofGetFrameNum() * 0.02)), 0, 1, 0, r), u, v + v_span));

for (auto& vertex : vertices) {

vertex.z *= 0.25;

}

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

this->mesh.addVertices(vertices);

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

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

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

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

}

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

void ofApp::draw() {

this->cam.begin();

ofRotateZ(ofGetFrameNum() * 0.72);

this->mesh.drawWireframe();

this->cam.end();

int start = 500;

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) {

// 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)) * cos(v);

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

auto z = r * sin(u);

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

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20250309

2025年3月8日

Flag of over 3000 days.

[ Video ]

[ About ]
3000日以上の旗。

[ Source ]

#pragma once
#include "ofMain.h"

class ofApp : public ofBaseApp {

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

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

	ofEasyCam cam;

	ofTrueTypeFont font;
	ofPixels pixels;

	ofMesh mesh;
};

#pragma once

#include "ofMain.h"

class ofApp : public ofBaseApp {

public:

void setup();

void update();

void draw();

void keyPressed(int key) {};

void keyReleased(int key) {};

void mouseMoved(int x, int y) {};

void mouseDragged(int x, int y, int button) {};

void mousePressed(int x, int y, int button) {};

void mouseReleased(int x, int y, int button) {};

void windowResized(int w, int h) {};

void dragEvent(ofDragInfo dragInfo) {};

void gotMessage(ofMessage msg) {};

ofEasyCam cam;

ofTrueTypeFont font;

ofPixels pixels;

ofMesh mesh;

};

#include "ofApp.h"

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

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

	ofBackground(39);
	ofEnableDepthTest();

	this->font.loadFont("fonts/Kazesawa-Bold.ttf", 175, true, true, true);

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

	auto word = "3004";
	this->font.drawString("3000", 90, 90 + 180 * 1);
	this->font.drawString("Days", 90, 90 + 180 * 2);
	this->font.drawString("Over", 90, 90 + 180 * 3);

	fbo.end();
	auto span = 5;
	fbo.readToPixels(this->pixels);

	for (int x = 0; x <= fbo.getWidth(); x += span) {

		for (int y = 0; y <= fbo.getHeight(); y += span) {

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

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

				this->mesh.addVertex(glm::vec3(x, y, 0));
				this->mesh.addVertex(glm::vec3(x + span, y, 0));
				this->mesh.addVertex(glm::vec3(x + span, y + span, 0));
				this->mesh.addVertex(glm::vec3(x, y + span, 0));

				this->mesh.addIndex(this->mesh.getNumVertices() - 1);
				this->mesh.addIndex(this->mesh.getNumVertices() - 4);
				this->mesh.addIndex(this->mesh.getNumVertices() - 3);

				this->mesh.addIndex(this->mesh.getNumVertices() - 1);
				this->mesh.addIndex(this->mesh.getNumVertices() - 2);
				this->mesh.addIndex(this->mesh.getNumVertices() - 3);

			}
		}
	}
}

//--------------------------------------------------------------
void ofApp::update() {
	
	for (auto& vertex : this->mesh.getVertices()) {

		auto noise_value = ofNoise((720 - glm::length(vertex)) * 0.003 + ofGetFrameNum() * 0.05, vertex.x * 0.0005, vertex.y * 0.0005);
		vertex.z = pow(ofMap(noise_value, 0, 1, 0, 5.5), 3);
	}
}

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

	this->cam.begin();
	ofRotateX(180);
	ofRotateY(ofGetFrameNum() * 1.44);
	ofTranslate(-360, -360);

	this->mesh.drawVertices();

	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);
		}
	}
	*/
}

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

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

#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(25);

ofSetWindowTitle("openframeworks");

ofBackground(39);

ofEnableDepthTest();

this->font.loadFont("fonts/Kazesawa-Bold.ttf", 175, true, true, true);

ofFbo fbo;

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

fbo.begin();

ofClear(0);

ofSetColor(0);

auto word = "3004";

this->font.drawString("3000", 90, 90 + 180 * 1);

this->font.drawString("Days", 90, 90 + 180 * 2);

this->font.drawString("Over", 90, 90 + 180 * 3);

fbo.end();

auto span = 5;

fbo.readToPixels(this->pixels);

for (int x = 0; x <= fbo.getWidth(); x += span) {

for (int y = 0; y <= fbo.getHeight(); y += span) {

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

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

this->mesh.addVertex(glm::vec3(x, y, 0));

this->mesh.addVertex(glm::vec3(x + span, y, 0));

this->mesh.addVertex(glm::vec3(x + span, y + span, 0));

this->mesh.addVertex(glm::vec3(x, y + span, 0));

this->mesh.addIndex(this->mesh.getNumVertices() - 1);

this->mesh.addIndex(this->mesh.getNumVertices() - 4);

this->mesh.addIndex(this->mesh.getNumVertices() - 3);

this->mesh.addIndex(this->mesh.getNumVertices() - 1);

this->mesh.addIndex(this->mesh.getNumVertices() - 2);

this->mesh.addIndex(this->mesh.getNumVertices() - 3);

}

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

void ofApp::update() {

for (auto& vertex : this->mesh.getVertices()) {

auto noise_value = ofNoise((720 - glm::length(vertex)) * 0.003 + ofGetFrameNum() * 0.05, vertex.x * 0.0005, vertex.y * 0.0005);

vertex.z = pow(ofMap(noise_value, 0, 1, 0, 5.5), 3);

}

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

void ofApp::draw() {

this->cam.begin();

ofRotateX(180);

ofRotateY(ofGetFrameNum() * 1.44);

ofTranslate(-360, -360);

this->mesh.drawVertices();

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);

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20250308

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