openFrameworks – ページ 14 – プログラミング de 落描き

2025年4月5日

Split of watch.

[ Video ]

[ About ]
時計の分割

[ 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) {};

	ofTrueTypeFont font;
	int font_size;

	float noise_param;
};

#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) {};

ofTrueTypeFont font;

int font_size;

float noise_param;

};

#include "ofApp.h"	


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

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

	ofBackground(39);
	ofEnableDepthTest();

	this->font_size = 150;
	this->font.loadFont("fonts/Kazesawa-Bold.ttf", this->font_size, true, true, true);
}

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

	auto param = ofGetFrameNum() % 50;
	if (param > 12 && param < 38) {

		if (param < 25) {

			this->noise_param += ofMap(param, 12, 25, 0.01, 0.3);
		}
		else if (param > 25) {

			this->noise_param += ofMap(param, 25, 38, 0.3, 0.01);
		}
		else {

			this->noise_param += 0.01;
		}
	}
	else {

		this->noise_param += 0.01;
	}
}

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

	ofTranslate(ofGetWindowSize() * 0.5);

	auto now = std::chrono::system_clock::now();
	auto time = std::chrono::system_clock::to_time_t(now);
	std::tm* lt = std::localtime(&time);
	
	string word = to_string(lt->tm_hour) + to_string(lt->tm_min) + to_string(lt->tm_sec);
	auto word_size = glm::vec2(710, this->font.stringHeight(word));

	auto char_path_list = this->font.getStringAsPoints(word, true, false);
	int sample_count = 150;

	for (int char_index = 0; char_index < char_path_list.size(); char_index++) {

		ofPushMatrix();
		ofTranslate(0, word_size.y * 0.25);

		vector<ofPolyline> outline = char_path_list[char_index].getOutline();

		ofNoFill();
		ofSetColor(239);
		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(word_size.x * 0.5, word_size.y * -0.5, 0);
				auto noise_value = ofNoise(location.x * 0.0075 + this->noise_param);
				auto value = ofMap(noise_value, 0, 1, 120, -120);

				if (location.y < value) {

					location.y = value;
				}

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

		ofPopMatrix();

		ofPushMatrix();
		ofTranslate(0, word_size.y * - 0.25);

		ofNoFill();
		ofSetColor(239);
		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(word_size.x * 0.5, word_size.y * -0.5, 0);
				auto noise_value = ofNoise( location.x * 0.0075 + this->noise_param);
				auto value = ofMap(noise_value, 0, 1, 120, -120);

				if (location.y > value) {

					location.y = value;
				}

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

		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());
}

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#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(25);

ofSetWindowTitle("openFrameworks");

ofBackground(39);

ofEnableDepthTest();

this->font_size = 150;

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

}

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

void ofApp::update() {

auto param = ofGetFrameNum() % 50;

if (param > 12 && param < 38) {

if (param < 25) {

this->noise_param += ofMap(param, 12, 25, 0.01, 0.3);

}

else if (param > 25) {

this->noise_param += ofMap(param, 25, 38, 0.3, 0.01);

}

else {

this->noise_param += 0.01;

}

else {

this->noise_param += 0.01;

}

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

void ofApp::draw() {

ofTranslate(ofGetWindowSize() * 0.5);

auto now = std::chrono::system_clock::now();

auto time = std::chrono::system_clock::to_time_t(now);

std::tm* lt = std::localtime(&time);

string word = to_string(lt->tm_hour) + to_string(lt->tm_min) + to_string(lt->tm_sec);

auto word_size = glm::vec2(710, this->font.stringHeight(word));

auto char_path_list = this->font.getStringAsPoints(word, true, false);

int sample_count = 150;

for (int char_index = 0; char_index < char_path_list.size(); char_index++) {

ofPushMatrix();

ofTranslate(0, word_size.y * 0.25);

vector<ofPolyline> outline = char_path_list[char_index].getOutline();

ofNoFill();

ofSetColor(239);

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(word_size.x * 0.5, word_size.y * -0.5, 0);

auto noise_value = ofNoise(location.x * 0.0075 + this->noise_param);

auto value = ofMap(noise_value, 0, 1, 120, -120);

if (location.y < value) {

location.y = value;

}

ofVertex(location);

}

ofEndShape(true);

ofPopMatrix();

ofPushMatrix();

ofTranslate(0, word_size.y * - 0.25);

ofNoFill();

ofSetColor(239);

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(word_size.x * 0.5, word_size.y * -0.5, 0);

auto noise_value = ofNoise( location.x * 0.0075 + this->noise_param);

auto value = ofMap(noise_value, 0, 1, 120, -120);

if (location.y > value) {

location.y = value;

}

ofVertex(location);

}

ofEndShape(true);

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/Insta20250405

2025年4月4日2025年4月3日

NOISY.

[ Video ]

[ About ]
ノイジー。

[ 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) {};

	ofTrueTypeFont font;
	int font_size;

	float noise_param;
};

#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) {};

ofTrueTypeFont font;

int font_size;

float noise_param;

};

#include "ofApp.h"	


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

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

	ofBackground(239);
	ofEnableDepthTest();

	this->font_size = 150;

	ofTrueTypeFontSettings font_settings("fonts/msgothic.ttc", this->font_size);
	this->font.loadFont("fonts/Kazesawa-Bold.ttf", this->font_size, true, true, true);
}

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

	auto param = ofGetFrameNum() % 50;
	if (param > 12 && param < 38) {

		if (param < 25) {

			this->noise_param += ofMap(param, 12, 25, 0.01, 0.3);
		}
		else if (param > 25) {

			this->noise_param += ofMap(param, 25, 38, 0.3, 0.01);
		}
		else {

			this->noise_param += 0.01;
		}
	}
	else {

		this->noise_param += 0.01;
	}
}

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

	ofTranslate(ofGetWindowSize() * 0.5);

	string word = "NOISY";
	auto word_size = glm::vec2(this->font.stringWidth(word), this->font.stringHeight(word));

	auto char_path_list = this->font.getStringAsPoints(word, true, false);
	int sample_count = 150;

	for (int char_index = 0; char_index < char_path_list.size(); char_index++) {

		vector<ofPolyline> outline = char_path_list[char_index].getOutline();

		ofFill();
		ofSetColor(39);
		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(word_size.x * 0.5, word_size.y * -0.5, 0);
				auto noise_value = ofNoise(location.x * 0.0075 + this->noise_param);
				auto value = ofMap(noise_value, 0, 1, 100, -120);

				if (location.y < value) {

					location.y = value;
				}

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

		ofNoFill();
		ofSetColor(239, 39, 39);
		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(word_size.x * 0.5, word_size.y * -0.5, 0);
				ofVertex(location);
			}
		}
		ofEndShape(true);
	}

	/*
	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());
}

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#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(25);

ofSetWindowTitle("openFrameworks");

ofBackground(239);

ofEnableDepthTest();

this->font_size = 150;

ofTrueTypeFontSettings font_settings("fonts/msgothic.ttc", this->font_size);

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

}

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

void ofApp::update() {

auto param = ofGetFrameNum() % 50;

if (param > 12 && param < 38) {

if (param < 25) {

this->noise_param += ofMap(param, 12, 25, 0.01, 0.3);

}

else if (param > 25) {

this->noise_param += ofMap(param, 25, 38, 0.3, 0.01);

}

else {

this->noise_param += 0.01;

}

else {

this->noise_param += 0.01;

}

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

void ofApp::draw() {

ofTranslate(ofGetWindowSize() * 0.5);

string word = "NOISY";

auto word_size = glm::vec2(this->font.stringWidth(word), this->font.stringHeight(word));

auto char_path_list = this->font.getStringAsPoints(word, true, false);

int sample_count = 150;

for (int char_index = 0; char_index < char_path_list.size(); char_index++) {

vector<ofPolyline> outline = char_path_list[char_index].getOutline();

ofFill();

ofSetColor(39);

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(word_size.x * 0.5, word_size.y * -0.5, 0);

auto noise_value = ofNoise(location.x * 0.0075 + this->noise_param);

auto value = ofMap(noise_value, 0, 1, 100, -120);

if (location.y < value) {

location.y = value;

}

ofVertex(location);

}

ofEndShape(true);

ofNoFill();

ofSetColor(239, 39, 39);

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(word_size.x * 0.5, word_size.y * -0.5, 0);

ofVertex(location);

}

ofEndShape(true);

}

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/Insta20250404

2025年4月3日

Cylinder.

[ Video ]

[ About ]
えんちゅ。

[ 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;
	ofMesh face, line;

	float noise_param;
};

#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;

ofMesh face, line;

float noise_param;

};

#include "ofApp.h"

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

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

	ofBackground(39);
	ofSetLineWidth(3);
	ofEnableDepthTest();

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

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

	auto param = ofGetFrameNum() % 50;
	if (param > 12 && param < 38) {

		if (param < 25) {

			this->noise_param += ofMap(param, 12, 25, 0.01, 0.3);
		}
		else if (param > 25) {

			this->noise_param += ofMap(param, 25, 38, 0.3, 0.01);
		}
		else {

			this->noise_param += 0.01;
		}
	}
	else {

		this->noise_param += 0.01;
	}

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

	float threshold_1 = 0.47;
	float threshold_2 = 0.53;
	float deg_span = 0.2;
	float z_span = 1;
	float noise_span = 0.01;

	for(float radius = 320; radius <= 320; radius += 160){

		for (float deg = 0; deg < 360; deg += deg_span) {

			for (float z = -500; z < 500; z += z_span) {

				auto noise_value = ofNoise(glm::vec4(radius * cos(deg * DEG_TO_RAD) * noise_span, radius * sin(deg * DEG_TO_RAD) * noise_span, z * noise_span, noise_param));
				if (noise_value <= threshold_1 || noise_value >= threshold_2) { continue; }

				auto noise_1 = ofNoise(glm::vec4(radius * cos((deg - deg_span) * DEG_TO_RAD) * noise_span, radius * sin((deg - deg_span) * DEG_TO_RAD) * noise_span, z * noise_span, noise_param));
				auto noise_2 = ofNoise(glm::vec4(radius * cos(deg * DEG_TO_RAD) * noise_span, radius * sin(deg * DEG_TO_RAD) * noise_span, (z + z_span) * noise_span, noise_param));
				auto noise_3 = ofNoise(glm::vec4(radius * cos(deg * DEG_TO_RAD) * noise_span, radius * sin(deg * DEG_TO_RAD) * noise_span, (z - z_span) * noise_span, noise_param));
				auto noise_4 = ofNoise(glm::vec4(radius * cos((deg + deg_span) * DEG_TO_RAD) * noise_span, radius * sin((deg + deg_span) * DEG_TO_RAD) * noise_span, z * noise_span, noise_param));

				auto index = this->face.getNumVertices();
				vector<glm::vec3> vertices;

				vertices.push_back(glm::vec3(radius * cos((deg - deg_span * 0.5) * DEG_TO_RAD), radius * sin((deg - deg_span * 0.5) * DEG_TO_RAD), z - z_span * 0.5));
				vertices.push_back(glm::vec3(radius * cos((deg + deg_span * 0.5) * DEG_TO_RAD), radius * sin((deg + deg_span * 0.5) * DEG_TO_RAD), z - z_span * 0.5));
				vertices.push_back(glm::vec3(radius * cos((deg - deg_span * 0.5) * DEG_TO_RAD), radius * sin((deg - deg_span * 0.5) * DEG_TO_RAD), z + z_span * 0.5));
				vertices.push_back(glm::vec3(radius * cos((deg + deg_span * 0.5) * DEG_TO_RAD), radius * sin((deg + deg_span * 0.5) * DEG_TO_RAD), z + z_span * 0.5));

				this->face.addVertices(vertices);

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

				ofColor face_color(255, 150);
				for (int i = 0; i < 4; i++) {

					this->face.addColor(face_color);
				}

				ofColor line_color(255);
				if (noise_1 <= threshold_1 || noise_1 >= threshold_2) {

					this->line.addVertex(vertices[0]);
					this->line.addVertex(vertices[2]);

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

					this->line.addColor(line_color);
					this->line.addColor(line_color);
				}

				if (noise_2 <= threshold_1 || noise_2 >= threshold_2) {

					this->line.addVertex(vertices[2]);
					this->line.addVertex(vertices[3]);

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

					this->line.addColor(line_color);
					this->line.addColor(line_color);
				}

				if (noise_3 <= threshold_1 || noise_3 >= threshold_2) {

					this->line.addVertex(vertices[0]);
					this->line.addVertex(vertices[1]);

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

					this->line.addColor(line_color);
					this->line.addColor(line_color);
				}

				if (noise_4 <= threshold_1 || noise_4 >= threshold_2) {

					this->line.addVertex(vertices[1]);
					this->line.addVertex(vertices[3]);

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

					this->line.addColor(line_color);
					this->line.addColor(line_color);
				}
			}
		}
	}
}

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

	this->cam.begin();
	this->cam.setPosition(0, 0, 1200);
	ofRotateX(90);
	ofRotateZ(ofGetFrameNum() * 0.36);

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

	this->cam.end();

	/*
	int start = 1;
	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(3);

ofEnableDepthTest();

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

}

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

void ofApp::update() {

auto param = ofGetFrameNum() % 50;

if (param > 12 && param < 38) {

if (param < 25) {

this->noise_param += ofMap(param, 12, 25, 0.01, 0.3);

}

else if (param > 25) {

this->noise_param += ofMap(param, 25, 38, 0.3, 0.01);

}

else {

this->noise_param += 0.01;

}

else {

this->noise_param += 0.01;

}

this->face.clear();

this->line.clear();

float threshold_1 = 0.47;

float threshold_2 = 0.53;

float deg_span = 0.2;

float z_span = 1;

float noise_span = 0.01;

for(float radius = 320; radius <= 320; radius += 160){

for (float deg = 0; deg < 360; deg += deg_span) {

for (float z = -500; z < 500; z += z_span) {

auto noise_value = ofNoise(glm::vec4(radius * cos(deg * DEG_TO_RAD) * noise_span, radius * sin(deg * DEG_TO_RAD) * noise_span, z * noise_span, noise_param));

if (noise_value <= threshold_1 || noise_value >= threshold_2) { continue; }

auto noise_1 = ofNoise(glm::vec4(radius * cos((deg - deg_span) * DEG_TO_RAD) * noise_span, radius * sin((deg - deg_span) * DEG_TO_RAD) * noise_span, z * noise_span, noise_param));

auto noise_2 = ofNoise(glm::vec4(radius * cos(deg * DEG_TO_RAD) * noise_span, radius * sin(deg * DEG_TO_RAD) * noise_span, (z + z_span) * noise_span, noise_param));

auto noise_3 = ofNoise(glm::vec4(radius * cos(deg * DEG_TO_RAD) * noise_span, radius * sin(deg * DEG_TO_RAD) * noise_span, (z - z_span) * noise_span, noise_param));

auto noise_4 = ofNoise(glm::vec4(radius * cos((deg + deg_span) * DEG_TO_RAD) * noise_span, radius * sin((deg + deg_span) * DEG_TO_RAD) * noise_span, z * noise_span, noise_param));

auto index = this->face.getNumVertices();

vector<glm::vec3> vertices;

vertices.push_back(glm::vec3(radius * cos((deg - deg_span * 0.5) * DEG_TO_RAD), radius * sin((deg - deg_span * 0.5) * DEG_TO_RAD), z - z_span * 0.5));

vertices.push_back(glm::vec3(radius * cos((deg + deg_span * 0.5) * DEG_TO_RAD), radius * sin((deg + deg_span * 0.5) * DEG_TO_RAD), z - z_span * 0.5));

vertices.push_back(glm::vec3(radius * cos((deg - deg_span * 0.5) * DEG_TO_RAD), radius * sin((deg - deg_span * 0.5) * DEG_TO_RAD), z + z_span * 0.5));

vertices.push_back(glm::vec3(radius * cos((deg + deg_span * 0.5) * DEG_TO_RAD), radius * sin((deg + deg_span * 0.5) * DEG_TO_RAD), z + z_span * 0.5));

this->face.addVertices(vertices);

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

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

ofColor face_color(255, 150);

for (int i = 0; i < 4; i++) {

this->face.addColor(face_color);

}

ofColor line_color(255);

if (noise_1 <= threshold_1 || noise_1 >= threshold_2) {

this->line.addVertex(vertices[0]);

this->line.addVertex(vertices[2]);

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

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

this->line.addColor(line_color);

}

if (noise_2 <= threshold_1 || noise_2 >= threshold_2) {

this->line.addVertex(vertices[2]);

this->line.addVertex(vertices[3]);

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

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

this->line.addColor(line_color);

}

if (noise_3 <= threshold_1 || noise_3 >= threshold_2) {

this->line.addVertex(vertices[0]);

this->line.addVertex(vertices[1]);

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

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

this->line.addColor(line_color);

}

if (noise_4 <= threshold_1 || noise_4 >= threshold_2) {

this->line.addVertex(vertices[1]);

this->line.addVertex(vertices[3]);

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

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

this->line.addColor(line_color);

}

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

void ofApp::draw() {

this->cam.begin();

this->cam.setPosition(0, 0, 1200);

ofRotateX(90);

ofRotateZ(ofGetFrameNum() * 0.36);

this->line.draw();

this->face.draw();

this->cam.end();

int start = 1;

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/Insta20250403

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