junkiyoshi – ページ 66 – プログラミング de 落描き

2024年10月30日

Color rings.

[ Video ]

[ About ]
色輪。

[ 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;
};

#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;

};

#include "ofApp.h"

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

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

	ofBackground(39);
	ofSetLineWidth(2);
	ofEnableDepthTest();
}

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

	ofSeedRandom(39);
}

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

	this->cam.begin();
	ofRotateX(315);

	int v_span = 8;
	int u_span = 2;
	int R = 200;

	ofMesh face, line;
	line.setMode(ofPrimitiveMode::OF_PRIMITIVE_LINES);

	int r = 70;
	float noise_seed = ofRandom(1000);

	for (int i = 0; i < 6; i++) {

		for (int v = 0; v <= 360; v += v_span * 1.5) {

			int u_start = i * 60 + ofMap(ofNoise(noise_seed, cos(v * DEG_TO_RAD) * 0.15, sin(v * DEG_TO_RAD) * 0.15, ofGetFrameNum() * 0.0025), 0, 1, -720, 720);
			int next_u = i * 60 + ofMap(ofNoise(noise_seed, cos((v + v_span * 0.25) * DEG_TO_RAD) * 0.15, sin((v + v_span * 0.25) * DEG_TO_RAD) * 0.15, ofGetFrameNum() * 0.0025), 0, 1, -720, 720);
			for (int u = u_start; u < u_start + 50; u += u_span) {

				face.addVertex(this->make_point(R, r, u, v));
				face.addVertex(this->make_point(R, r, u + u_span, v));
				face.addVertex(this->make_point(R, r, next_u + u_span, v + v_span * 0.25));
				face.addVertex(this->make_point(R, r, next_u, v + v_span * 0.25));

				line.addVertex(this->make_point(R, r, u, v));
				line.addVertex(this->make_point(R, r, u + u_span, v));
				line.addVertex(this->make_point(R, r, next_u + u_span, v + v_span * 0.25));
				line.addVertex(this->make_point(R, r, next_u, v + v_span * 0.25));

				ofColor face_color = ofColor(0);
				ofColor line_color;
				line_color.setHsb(ofMap(i, 0, 8, 0, 255), 255, 255);

				face.addColor(face_color);
				face.addColor(face_color);
				face.addColor(face_color);
				face.addColor(face_color);

				line.addColor(line_color);
				line.addColor(line_color);
				line.addColor(line_color);
				line.addColor(line_color);

				face.addIndex(face.getNumVertices() - 1); face.addIndex(face.getNumVertices() - 2); face.addIndex(face.getNumVertices() - 3);
				face.addIndex(face.getNumVertices() - 1); face.addIndex(face.getNumVertices() - 3); face.addIndex(face.getNumVertices() - 4);

				line.addIndex(line.getNumVertices() - 1); line.addIndex(line.getNumVertices() - 2);
				line.addIndex(line.getNumVertices() - 3); line.addIndex(line.getNumVertices() - 4);

				if (u == u_start) {

					line.addIndex(line.getNumVertices() - 1); line.addIndex(line.getNumVertices() - 4);
				}

				next_u += u_span;
			}

			line.addIndex(line.getNumVertices() - 2); line.addIndex(line.getNumVertices() - 3);
		}
	}

	face.drawFaces();
	line.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) {

	// 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);

ofSetLineWidth(2);

ofEnableDepthTest();

}

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

void ofApp::update() {

ofSeedRandom(39);

}

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

void ofApp::draw() {

this->cam.begin();

ofRotateX(315);

int v_span = 8;

int u_span = 2;

int R = 200;

ofMesh face, line;

line.setMode(ofPrimitiveMode::OF_PRIMITIVE_LINES);

int r = 70;

float noise_seed = ofRandom(1000);

for (int i = 0; i < 6; i++) {

for (int v = 0; v <= 360; v += v_span * 1.5) {

int u_start = i * 60 + ofMap(ofNoise(noise_seed, cos(v * DEG_TO_RAD) * 0.15, sin(v * DEG_TO_RAD) * 0.15, ofGetFrameNum() * 0.0025), 0, 1, -720, 720);

int next_u = i * 60 + ofMap(ofNoise(noise_seed, cos((v + v_span * 0.25) * DEG_TO_RAD) * 0.15, sin((v + v_span * 0.25) * DEG_TO_RAD) * 0.15, ofGetFrameNum() * 0.0025), 0, 1, -720, 720);

for (int u = u_start; u < u_start + 50; u += u_span) {

face.addVertex(this->make_point(R, r, u, v));

face.addVertex(this->make_point(R, r, u + u_span, v));

face.addVertex(this->make_point(R, r, next_u + u_span, v + v_span * 0.25));

face.addVertex(this->make_point(R, r, next_u, v + v_span * 0.25));

line.addVertex(this->make_point(R, r, u, v));

line.addVertex(this->make_point(R, r, u + u_span, v));

line.addVertex(this->make_point(R, r, next_u + u_span, v + v_span * 0.25));

line.addVertex(this->make_point(R, r, next_u, v + v_span * 0.25));

ofColor face_color = ofColor(0);

ofColor line_color;

line_color.setHsb(ofMap(i, 0, 8, 0, 255), 255, 255);

face.addColor(face_color);

line.addColor(line_color);

face.addIndex(face.getNumVertices() - 1); face.addIndex(face.getNumVertices() - 2); face.addIndex(face.getNumVertices() - 3);

face.addIndex(face.getNumVertices() - 1); face.addIndex(face.getNumVertices() - 3); face.addIndex(face.getNumVertices() - 4);

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

line.addIndex(line.getNumVertices() - 3); line.addIndex(line.getNumVertices() - 4);

if (u == u_start) {

line.addIndex(line.getNumVertices() - 1); line.addIndex(line.getNumVertices() - 4);

}

next_u += u_span;

}

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

}

face.drawFaces();

line.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) {

// 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/Insta20241030

2024年10月29日

Bangle.

[ Video ]

[ About ]
腕輪。

[ 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;
};

#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;

};

#include "ofApp.h"

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

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

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

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

	ofSeedRandom(39);
}

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

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

	int v_span = 6;
	int u_span = 2;
	int R = 200;

	ofMesh face, line;
	line.setMode(ofPrimitiveMode::OF_PRIMITIVE_LINES);

	int r = 70;
	float noise_seed = ofRandom(1000);

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

		for (int v = 0; v <= 360; v += v_span * 2) {

			int u_start = i * 70 + ofMap(ofNoise(noise_seed, cos(v * DEG_TO_RAD) * 0.5, sin(v * DEG_TO_RAD) * 0.5, ofGetFrameNum() * 0.015), 0, 1, -720, 720);
			int next_u = i * 70 + ofMap(ofNoise(noise_seed, cos((v + v_span * 0.9) * DEG_TO_RAD) * 0.5, sin((v + v_span * 0.9) * DEG_TO_RAD) * 0.5, ofGetFrameNum() * 0.015), 0, 1, -720, 720);
			for (int u = u_start; u < u_start + 60 + i * 220; u += u_span) {

				face.addVertex(this->make_point(R, r, u, v));
				face.addVertex(this->make_point(R, r, u + u_span, v));
				face.addVertex(this->make_point(R, r, next_u + u_span, v + v_span * 0.5));
				face.addVertex(this->make_point(R, r, next_u, v + v_span * 0.5));

				line.addVertex(this->make_point(R, r, u, v));
				line.addVertex(this->make_point(R, r, u + u_span, v));
				line.addVertex(this->make_point(R, r, next_u + u_span, v + v_span * 0.5));
				line.addVertex(this->make_point(R, r, next_u, v + v_span * 0.5));

				ofColor face_color = i == 0 ? ofColor(39) : ofColor(239);
				ofColor line_color = i == 0 ? ofColor(239, 39, 39) : ofColor(39);

				face.addColor(face_color);
				face.addColor(face_color);
				face.addColor(face_color);
				face.addColor(face_color);

				line.addColor(line_color);
				line.addColor(line_color);
				line.addColor(line_color);
				line.addColor(line_color);

				face.addIndex(face.getNumVertices() - 1); face.addIndex(face.getNumVertices() - 2); face.addIndex(face.getNumVertices() - 3);
				face.addIndex(face.getNumVertices() - 1); face.addIndex(face.getNumVertices() - 3); face.addIndex(face.getNumVertices() - 4);

				line.addIndex(line.getNumVertices() - 1); line.addIndex(line.getNumVertices() - 2);
				line.addIndex(line.getNumVertices() - 3); line.addIndex(line.getNumVertices() - 4);

				if (u == u_start) {

					line.addIndex(line.getNumVertices() - 1); line.addIndex(line.getNumVertices() - 4);
				}

				next_u += u_span;
			}

			line.addIndex(line.getNumVertices() - 2); line.addIndex(line.getNumVertices() - 3);
		}
	}

	face.drawFaces();
	line.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) {

	// 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);

ofSetLineWidth(2);

ofEnableDepthTest();

}

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

void ofApp::update() {

ofSeedRandom(39);

}

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

void ofApp::draw() {

this->cam.begin();

ofRotateY(ofGetFrameNum() * 1.44);

int v_span = 6;

int u_span = 2;

int R = 200;

ofMesh face, line;

line.setMode(ofPrimitiveMode::OF_PRIMITIVE_LINES);

int r = 70;

float noise_seed = ofRandom(1000);

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

for (int v = 0; v <= 360; v += v_span * 2) {

int u_start = i * 70 + ofMap(ofNoise(noise_seed, cos(v * DEG_TO_RAD) * 0.5, sin(v * DEG_TO_RAD) * 0.5, ofGetFrameNum() * 0.015), 0, 1, -720, 720);

int next_u = i * 70 + ofMap(ofNoise(noise_seed, cos((v + v_span * 0.9) * DEG_TO_RAD) * 0.5, sin((v + v_span * 0.9) * DEG_TO_RAD) * 0.5, ofGetFrameNum() * 0.015), 0, 1, -720, 720);

for (int u = u_start; u < u_start + 60 + i * 220; u += u_span) {

face.addVertex(this->make_point(R, r, u, v));

face.addVertex(this->make_point(R, r, u + u_span, v));

face.addVertex(this->make_point(R, r, next_u + u_span, v + v_span * 0.5));

face.addVertex(this->make_point(R, r, next_u, v + v_span * 0.5));

line.addVertex(this->make_point(R, r, u, v));

line.addVertex(this->make_point(R, r, u + u_span, v));

line.addVertex(this->make_point(R, r, next_u + u_span, v + v_span * 0.5));

line.addVertex(this->make_point(R, r, next_u, v + v_span * 0.5));

ofColor face_color = i == 0 ? ofColor(39) : ofColor(239);

ofColor line_color = i == 0 ? ofColor(239, 39, 39) : ofColor(39);

face.addColor(face_color);

line.addColor(line_color);

face.addIndex(face.getNumVertices() - 1); face.addIndex(face.getNumVertices() - 2); face.addIndex(face.getNumVertices() - 3);

face.addIndex(face.getNumVertices() - 1); face.addIndex(face.getNumVertices() - 3); face.addIndex(face.getNumVertices() - 4);

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

line.addIndex(line.getNumVertices() - 3); line.addIndex(line.getNumVertices() - 4);

if (u == u_start) {

line.addIndex(line.getNumVertices() - 1); line.addIndex(line.getNumVertices() - 4);

}

next_u += u_span;

}

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

}

face.drawFaces();

line.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) {

// 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/Insta20241029

2024年10月28日

string.

[ Video ]

[ About ]
文字列。

[ 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;

	float font_size;
	ofTrueTypeFont font;
};

#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;

float font_size;

ofTrueTypeFont font;

};

#include "ofApp.h"

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

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

	ofBackground(39);
	ofSetLineWidth(2);
	ofEnableDepthTest();

	this->font_size = 40;
	this->font.loadFont("fonts/Kazesawa-Bold.ttf", this->font_size, true, true, true);
}

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

	ofSeedRandom(39);
}

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

	this->cam.begin();
	ofRotateX(180);
	ofRotateY(ofGetFrameNum() * 0.72);

	string word =   " junkiyoshi.com anthology(); 2024/11/09 - 2024/11/17 ";
	int sample_count = 180;
	auto noise_param = ofRandom(1000);

	for (int k = 0; k < 20; k++) {

		auto y = ofMap(k, 0, 20, -1000, 1000);

		for (int i = 0; i < word.size(); i++) {

			ofPath chara_path = this->font.getCharacterAsPoints(word[i % word.size()], true, false);
			vector<ofPolyline> outline = chara_path.getOutline();

			auto deg = i * 7.f;
			auto noise_value = (int)ofMap(ofNoise(cos(deg * DEG_TO_RAD) * 0.5, sin(deg * DEG_TO_RAD) * 0.5, ofGetFrameNum() * 0.02), 0, 1, 0, 10);
			auto noise_y = ofMap(noise_value, 0, 10, -250, 250);

			ofFill();
			ofSetColor(0);
			ofBeginShape();
			for (int outline_index = 0; outline_index < outline.size(); outline_index++) {

				if (outline_index != 0) { ofNextContour(true); }

				auto vertices = outline[outline_index].getResampledByCount(sample_count).getVertices();
				for (auto& vertex : vertices) {

					auto location = vertex - glm::vec3(this->font_size * 0.5, this->font_size * -0.5, 330);

					auto rotation_y = glm::rotate(glm::mat4(), (i * 7.f) * (float)DEG_TO_RAD, glm::vec3(0, 1, 0));
					location = glm::vec4(location, 0) * rotation_y;
					location.y += y + noise_y;

					ofVertex(location);
				}
			}
			ofEndShape(true);

			ofNoFill();
			ofSetColor(155, 155, 255);
			ofBeginShape();
			for (int outline_index = 0; outline_index < outline.size(); outline_index++) {

				if (outline_index != 0) { ofNextContour(true); }

				auto vertices = outline[outline_index].getResampledByCount(sample_count).getVertices();
				for (auto& vertex : vertices) {

					auto location = vertex - glm::vec3(this->font_size * 0.5, this->font_size * -0.5, 330);

					auto rotation_y = glm::rotate(glm::mat4(), (i * 7.f) * (float)DEG_TO_RAD, glm::vec3(0, 1, 0));
					location = glm::vec4(location, 0) * rotation_y;
					location.y += y + noise_y;

					ofVertex(location);
				}
			}
			ofEndShape(true);
		}
	}

	this->cam.end();

	/*
	int start = 270;
	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());
}

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#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(25);

ofSetWindowTitle("openframeworks");

ofBackground(39);

ofSetLineWidth(2);

ofEnableDepthTest();

this->font_size = 40;

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

}

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

void ofApp::update() {

ofSeedRandom(39);

}

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

void ofApp::draw() {

this->cam.begin();

ofRotateX(180);

ofRotateY(ofGetFrameNum() * 0.72);

string word = " junkiyoshi.com anthology(); 2024/11/09 - 2024/11/17 ";

int sample_count = 180;

auto noise_param = ofRandom(1000);

for (int k = 0; k < 20; k++) {

auto y = ofMap(k, 0, 20, -1000, 1000);

for (int i = 0; i < word.size(); i++) {

ofPath chara_path = this->font.getCharacterAsPoints(word[i % word.size()], true, false);

vector<ofPolyline> outline = chara_path.getOutline();

auto deg = i * 7.f;

auto noise_value = (int)ofMap(ofNoise(cos(deg * DEG_TO_RAD) * 0.5, sin(deg * DEG_TO_RAD) * 0.5, ofGetFrameNum() * 0.02), 0, 1, 0, 10);

auto noise_y = ofMap(noise_value, 0, 10, -250, 250);

ofFill();

ofSetColor(0);

ofBeginShape();

for (int outline_index = 0; outline_index < outline.size(); outline_index++) {

if (outline_index != 0) { ofNextContour(true); }

auto vertices = outline[outline_index].getResampledByCount(sample_count).getVertices();

for (auto& vertex : vertices) {

auto location = vertex - glm::vec3(this->font_size * 0.5, this->font_size * -0.5, 330);

auto rotation_y = glm::rotate(glm::mat4(), (i * 7.f) * (float)DEG_TO_RAD, glm::vec3(0, 1, 0));

location = glm::vec4(location, 0) * rotation_y;

location.y += y + noise_y;

ofVertex(location);

}

ofEndShape(true);

ofNoFill();

ofSetColor(155, 155, 255);

ofBeginShape();

for (int outline_index = 0; outline_index < outline.size(); outline_index++) {

if (outline_index != 0) { ofNextContour(true); }

auto vertices = outline[outline_index].getResampledByCount(sample_count).getVertices();

for (auto& vertex : vertices) {

auto location = vertex - glm::vec3(this->font_size * 0.5, this->font_size * -0.5, 330);

auto rotation_y = glm::rotate(glm::mat4(), (i * 7.f) * (float)DEG_TO_RAD, glm::vec3(0, 1, 0));

location = glm::vec4(location, 0) * rotation_y;

location.y += y + noise_y;

ofVertex(location);

}

ofEndShape(true);

}

this->cam.end();

int start = 270;

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/Insta20241028

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