junkiyoshi – ページ 49 – プログラミング de 落描き

2025年2月27日

generative line.

[ Video ]

[ About ]
生成線。

[ 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<vector<glm::vec2>> log_list;
	vector<glm::vec2> velocity_list;
	vector<ofColor> color_list;

	vector<ofMesh> mesh_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<vector<glm::vec2>> log_list;

vector<glm::vec2> velocity_list;

vector<ofColor> color_list;

vector<ofMesh> mesh_list;

};

#include "ofApp.h"

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

	ofSetFrameRate(30);
	ofSetWindowTitle("openframeworks");

	ofBackground(239);
	ofSetLineWidth(2);
	ofEnableBlendMode(ofBlendMode::OF_BLENDMODE_SUBTRACT);
}

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

	this->mesh_list.clear();

	int radius = 10;
	ofColor color;

	while (this->log_list.size() < 1500) {

		int deg_base = ofRandom(360);
		int deg = deg_base;

		vector<glm::vec2> log;
		auto location = glm::vec2(radius * cos(deg * DEG_TO_RAD), radius * sin(deg * DEG_TO_RAD));
		log.push_back(location);
		auto next = glm::vec2((radius - 10) * cos(deg * DEG_TO_RAD), (radius - 10) * sin(deg * DEG_TO_RAD));

		auto distance = location - next;
		distance *= 1;

		auto future = location + distance * 30;
		auto random_deg = ofRandom(360);
		future += glm::vec2(120 * cos(random_deg * DEG_TO_RAD), 120 * sin(random_deg * DEG_TO_RAD));
		auto future_distance = future - location;

		this->log_list.push_back(log);
		this->velocity_list.push_back(glm::normalize(future_distance) * glm::length(distance) * ofRandom(0.5, 1));
		auto hue = ofGetFrameNum() % 255;
		color.setHsb(hue, 230, 255);
		this->color_list.push_back(color);
	}

	for (int i = this->log_list.size() - 1; i > -1; i--) {

		auto location = this->log_list[i][this->log_list[i].size() - 1];

		auto deg = atan2(this->velocity_list[i].y, this->velocity_list[i].x) * RAD_TO_DEG;
		deg += ofMap(ofNoise(glm::vec3(location * 0.005, ofGetFrameNum() * 0.01)), 0, 1, -15, 15);
		auto len = glm::length(this->velocity_list[i]);
		location += glm::vec2(len * cos(deg * DEG_TO_RAD), len * sin(deg * DEG_TO_RAD));

		if (glm::distance(glm::vec2(), this->log_list[i][this->log_list[i].size() - 1]) > 1000) {

			this->log_list.erase(this->log_list.begin() + i);
			this->velocity_list.erase(this->velocity_list.begin() + i);
			this->color_list.erase(this->color_list.begin() + i);

			continue;
		}

		this->log_list[i].push_back(location);
	}

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

		ofMesh mesh;
		mesh.setMode(ofPrimitiveMode::OF_PRIMITIVE_LINES);

		auto len = glm::length(this->log_list[i][this->log_list[i].size() - 1]);
		for (int k = 0; k < this->log_list[i].size(); k++) {

			mesh.addVertex(glm::vec3(this->log_list[i][k], 0));
			mesh.addColor(ofColor(this->color_list[i], ofMap(len, 0, 1005, 128, 0)));

			if (k > 0) {

				mesh.addIndex(mesh.getNumVertices() - 1);
				mesh.addIndex(mesh.getNumVertices() - 2);
			}
		}

		this->mesh_list.push_back(mesh);
	}
}

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

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

	for (auto& mesh : this->mesh_list) {

		mesh.drawWireframe();
	}

	/*
	int start = 600;
	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(30);

ofSetWindowTitle("openframeworks");

ofBackground(239);

ofSetLineWidth(2);

ofEnableBlendMode(ofBlendMode::OF_BLENDMODE_SUBTRACT);

}

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

void ofApp::update() {

this->mesh_list.clear();

int radius = 10;

ofColor color;

while (this->log_list.size() < 1500) {

int deg_base = ofRandom(360);

int deg = deg_base;

vector<glm::vec2> log;

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

log.push_back(location);

auto next = glm::vec2((radius - 10) * cos(deg * DEG_TO_RAD), (radius - 10) * sin(deg * DEG_TO_RAD));

auto distance = location - next;

distance *= 1;

auto future = location + distance * 30;

auto random_deg = ofRandom(360);

future += glm::vec2(120 * cos(random_deg * DEG_TO_RAD), 120 * sin(random_deg * DEG_TO_RAD));

auto future_distance = future - location;

this->log_list.push_back(log);

this->velocity_list.push_back(glm::normalize(future_distance) * glm::length(distance) * ofRandom(0.5, 1));

auto hue = ofGetFrameNum() % 255;

color.setHsb(hue, 230, 255);

this->color_list.push_back(color);

}

for (int i = this->log_list.size() - 1; i > -1; i--) {

auto location = this->log_list[i][this->log_list[i].size() - 1];

auto deg = atan2(this->velocity_list[i].y, this->velocity_list[i].x) * RAD_TO_DEG;

deg += ofMap(ofNoise(glm::vec3(location * 0.005, ofGetFrameNum() * 0.01)), 0, 1, -15, 15);

auto len = glm::length(this->velocity_list[i]);

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

if (glm::distance(glm::vec2(), this->log_list[i][this->log_list[i].size() - 1]) > 1000) {

this->log_list.erase(this->log_list.begin() + i);

this->velocity_list.erase(this->velocity_list.begin() + i);

this->color_list.erase(this->color_list.begin() + i);

continue;

}

this->log_list[i].push_back(location);

}

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

ofMesh mesh;

mesh.setMode(ofPrimitiveMode::OF_PRIMITIVE_LINES);

auto len = glm::length(this->log_list[i][this->log_list[i].size() - 1]);

for (int k = 0; k < this->log_list[i].size(); k++) {

mesh.addVertex(glm::vec3(this->log_list[i][k], 0));

mesh.addColor(ofColor(this->color_list[i], ofMap(len, 0, 1005, 128, 0)));

if (k > 0) {

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

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

}

this->mesh_list.push_back(mesh);

}

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

void ofApp::draw() {

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

for (auto& mesh : this->mesh_list) {

mesh.drawWireframe();

}

int start = 600;

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/Insta20250227

2025年2月26日

Noise sphere.

[ Video ]

[ About ]
ノイズ球。

[ 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);
	ofEnableDepthTest();
	ofSetLineWidth(3);

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

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

	this->noise_param += 0.05;

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

	float phi_deg_step = 0.1;
	float theta_deg_step = 0.1;
	float theta_start = 10;
	float theta_end = 170;
	float threshold_1 = 0.48;
	float threshold_2 = 0.52;
	float noise_spam = 0.75;

	for (float radius = 280; radius <= 280; radius += 100) {

		for (float phi_deg = 0; phi_deg < 360; phi_deg += phi_deg_step) {

			for (float theta_deg = theta_start; theta_deg <= theta_end; theta_deg += theta_deg_step) {

				auto noise_value = ofNoise(
					radius * 0.01 * cos(phi_deg * DEG_TO_RAD) * noise_spam,
					radius * 0.01 * sin(phi_deg * DEG_TO_RAD) * noise_spam,
					radius * 0.01 * cos(theta_deg * DEG_TO_RAD) * noise_spam +
					this->noise_param);

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

				auto noise_value_1 = ofNoise(
					radius * 0.01 * cos(phi_deg * DEG_TO_RAD) * noise_spam,
					radius * 0.01 * sin(phi_deg * DEG_TO_RAD) * noise_spam,
					radius * 0.01 * cos((theta_deg - theta_deg_step) * DEG_TO_RAD) * noise_spam +
					this->noise_param);
				auto noise_value_2 = ofNoise(
					radius * 0.01 * cos((phi_deg + phi_deg_step) * DEG_TO_RAD) * noise_spam,
					radius * 0.01 * sin((phi_deg + phi_deg_step) * DEG_TO_RAD) * noise_spam,
					radius * 0.01 * cos(theta_deg * DEG_TO_RAD) * noise_spam +
					this->noise_param);
				auto noise_value_3 = ofNoise(
					radius * 0.01 * cos((phi_deg - phi_deg_step) * DEG_TO_RAD) * noise_spam,
					radius * 0.01 * sin((phi_deg - phi_deg_step) * DEG_TO_RAD) * noise_spam,
					radius * 0.01 * cos(theta_deg * DEG_TO_RAD) * noise_spam +
					this->noise_param);
				auto noise_value_4 = ofNoise(
					radius * 0.01 * cos(phi_deg * DEG_TO_RAD) * noise_spam,
					radius * 0.01 * sin(phi_deg * DEG_TO_RAD) * noise_spam,
					radius * 0.01 * cos((theta_deg + theta_deg_step) * DEG_TO_RAD) * noise_spam +
					this->noise_param);

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

				vertices.push_back(glm::vec3(
					radius * sin((theta_deg - theta_deg_step * 0.5) * DEG_TO_RAD) * cos((phi_deg + phi_deg_step * 0.5) * DEG_TO_RAD),
					radius * sin((theta_deg - theta_deg_step * 0.5) * DEG_TO_RAD) * sin((phi_deg + phi_deg_step * 0.5) * DEG_TO_RAD),
					radius * cos((theta_deg - theta_deg_step * 0.5) * DEG_TO_RAD)));
				vertices.push_back(glm::vec3(
					radius * sin((theta_deg - theta_deg_step * 0.5) * DEG_TO_RAD) * cos((phi_deg - phi_deg_step * 0.5) * DEG_TO_RAD),
					radius * sin((theta_deg - theta_deg_step * 0.5) * DEG_TO_RAD) * sin((phi_deg - phi_deg_step * 0.5) * DEG_TO_RAD),
					radius * cos((theta_deg - theta_deg_step * 0.5) * DEG_TO_RAD)));
				vertices.push_back(glm::vec3(
					radius * sin((theta_deg + theta_deg_step * 0.5) * DEG_TO_RAD) * cos((phi_deg + phi_deg_step * 0.5) * DEG_TO_RAD),
					radius * sin((theta_deg + theta_deg_step * 0.5) * DEG_TO_RAD) * sin((phi_deg + phi_deg_step * 0.5) * DEG_TO_RAD),
					radius * cos((theta_deg + theta_deg_step * 0.5) * DEG_TO_RAD)));
				vertices.push_back(glm::vec3(
					radius * sin((theta_deg + theta_deg_step * 0.5) * DEG_TO_RAD) * cos((phi_deg - phi_deg_step * 0.5) * DEG_TO_RAD),
					radius * sin((theta_deg + theta_deg_step * 0.5) * DEG_TO_RAD) * sin((phi_deg - phi_deg_step * 0.5) * DEG_TO_RAD),
					radius * cos((theta_deg + theta_deg_step * 0.5) * DEG_TO_RAD)));

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

				if ((noise_value_1 < threshold_1 || noise_value_1 > threshold_2) || theta_deg == theta_start) {

					this->line.addVertex(vertices[0]); this->line.addVertex(vertices[1]);
					this->line.addIndex(this->line.getNumVertices() - 1); this->line.addIndex(this->line.getNumVertices() - 2);
				}

				if (noise_value_2 < threshold_1 || noise_value_2 > 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);
				}

				if (noise_value_3 < threshold_1 || noise_value_3 > 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);
				}

				if ((noise_value_4 < threshold_1 || noise_value_4 > threshold_2) || theta_deg >= theta_end - theta_deg_step) {

					this->line.addVertex(vertices[2]); this->line.addVertex(vertices[3]);
					this->line.addIndex(this->line.getNumVertices() - 1); this->line.addIndex(this->line.getNumVertices() - 2);
				}
			}
		}
	}
}

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

	this->cam.begin();
	ofRotateX(90);
	ofRotateZ(ofGetFrameNum() * 1.44);

	ofSetColor(39, 39, 239, 64);
	this->face.draw();

	ofSetColor(39, 39, 239);
	this->line.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);

ofEnableDepthTest();

ofSetLineWidth(3);

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

}

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

void ofApp::update() {

this->noise_param += 0.05;

this->face.clear();

this->line.clear();

float phi_deg_step = 0.1;

float theta_deg_step = 0.1;

float theta_start = 10;

float theta_end = 170;

float threshold_1 = 0.48;

float threshold_2 = 0.52;

float noise_spam = 0.75;

for (float radius = 280; radius <= 280; radius += 100) {

for (float phi_deg = 0; phi_deg < 360; phi_deg += phi_deg_step) {

for (float theta_deg = theta_start; theta_deg <= theta_end; theta_deg += theta_deg_step) {

auto noise_value = ofNoise(

radius * 0.01 * cos(phi_deg * DEG_TO_RAD) * noise_spam,

radius * 0.01 * sin(phi_deg * DEG_TO_RAD) * noise_spam,

radius * 0.01 * cos(theta_deg * DEG_TO_RAD) * noise_spam +

this->noise_param);

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

auto noise_value_1 = ofNoise(

radius * 0.01 * cos(phi_deg * DEG_TO_RAD) * noise_spam,

radius * 0.01 * sin(phi_deg * DEG_TO_RAD) * noise_spam,

radius * 0.01 * cos((theta_deg - theta_deg_step) * DEG_TO_RAD) * noise_spam +

this->noise_param);

auto noise_value_2 = ofNoise(

radius * 0.01 * cos((phi_deg + phi_deg_step) * DEG_TO_RAD) * noise_spam,

radius * 0.01 * sin((phi_deg + phi_deg_step) * DEG_TO_RAD) * noise_spam,

radius * 0.01 * cos(theta_deg * DEG_TO_RAD) * noise_spam +

this->noise_param);

auto noise_value_3 = ofNoise(

radius * 0.01 * cos((phi_deg - phi_deg_step) * DEG_TO_RAD) * noise_spam,

radius * 0.01 * sin((phi_deg - phi_deg_step) * DEG_TO_RAD) * noise_spam,

radius * 0.01 * cos(theta_deg * DEG_TO_RAD) * noise_spam +

this->noise_param);

auto noise_value_4 = ofNoise(

radius * 0.01 * cos(phi_deg * DEG_TO_RAD) * noise_spam,

radius * 0.01 * sin(phi_deg * DEG_TO_RAD) * noise_spam,

radius * 0.01 * cos((theta_deg + theta_deg_step) * DEG_TO_RAD) * noise_spam +

this->noise_param);

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

vector<glm::vec3> vertices;

vertices.push_back(glm::vec3(

radius * sin((theta_deg - theta_deg_step * 0.5) * DEG_TO_RAD) * cos((phi_deg + phi_deg_step * 0.5) * DEG_TO_RAD),

radius * sin((theta_deg - theta_deg_step * 0.5) * DEG_TO_RAD) * sin((phi_deg + phi_deg_step * 0.5) * DEG_TO_RAD),

radius * cos((theta_deg - theta_deg_step * 0.5) * DEG_TO_RAD)));

vertices.push_back(glm::vec3(

radius * sin((theta_deg - theta_deg_step * 0.5) * DEG_TO_RAD) * cos((phi_deg - phi_deg_step * 0.5) * DEG_TO_RAD),

radius * sin((theta_deg - theta_deg_step * 0.5) * DEG_TO_RAD) * sin((phi_deg - phi_deg_step * 0.5) * DEG_TO_RAD),

radius * cos((theta_deg - theta_deg_step * 0.5) * DEG_TO_RAD)));

vertices.push_back(glm::vec3(

radius * sin((theta_deg + theta_deg_step * 0.5) * DEG_TO_RAD) * cos((phi_deg + phi_deg_step * 0.5) * DEG_TO_RAD),

radius * sin((theta_deg + theta_deg_step * 0.5) * DEG_TO_RAD) * sin((phi_deg + phi_deg_step * 0.5) * DEG_TO_RAD),

radius * cos((theta_deg + theta_deg_step * 0.5) * DEG_TO_RAD)));

vertices.push_back(glm::vec3(

radius * sin((theta_deg + theta_deg_step * 0.5) * DEG_TO_RAD) * cos((phi_deg - phi_deg_step * 0.5) * DEG_TO_RAD),

radius * sin((theta_deg + theta_deg_step * 0.5) * DEG_TO_RAD) * sin((phi_deg - phi_deg_step * 0.5) * DEG_TO_RAD),

radius * cos((theta_deg + theta_deg_step * 0.5) * DEG_TO_RAD)));

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

if ((noise_value_1 < threshold_1 || noise_value_1 > threshold_2) || theta_deg == theta_start) {

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

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

}

if (noise_value_2 < threshold_1 || noise_value_2 > 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);

}

if (noise_value_3 < threshold_1 || noise_value_3 > 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);

}

if ((noise_value_4 < threshold_1 || noise_value_4 > threshold_2) || theta_deg >= theta_end - theta_deg_step) {

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

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

}

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

void ofApp::draw() {

this->cam.begin();

ofRotateX(90);

ofRotateZ(ofGetFrameNum() * 1.44);

ofSetColor(39, 39, 239, 64);

this->face.draw();

ofSetColor(39, 39, 239);

this->line.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/Insta20250226

2025年2月25日

Ameba ring.

[ Video ]

[ About ]
アメーバ・リング。

[ 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);
	ofEnableDepthTest();
	ofSetLineWidth(3);

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

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

	if (ofGetFrameNum() % 50 < 15) {

		this->noise_param += ofMap(ofGetFrameNum() % 50, 0, 15, 0.25, 0);
	}

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

	float phi_deg_step = 0.1;
	float theta_deg_step = 0.1;
	float theta_start = 70;
	float theta_end = 110;
	float threshold_1 = 0.44;
	float threshold_2 = 0.56;
	float noise_spam = 0.75;

	for (float radius = 300; radius <= 300; radius += 100) {

		for (float phi_deg = 0; phi_deg < 360; phi_deg += phi_deg_step) {

			for (float theta_deg = theta_start; theta_deg <= theta_end; theta_deg += theta_deg_step) {

				auto noise_value = ofNoise(
					radius * 0.01 * cos(phi_deg * DEG_TO_RAD) * noise_spam,
					radius * 0.01 * sin(phi_deg * DEG_TO_RAD) * noise_spam,
					radius * 0.01 * cos(theta_deg * DEG_TO_RAD) * noise_spam,
					this->noise_param);

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

				auto noise_value_1 = ofNoise(
					radius * 0.01 * cos(phi_deg * DEG_TO_RAD) * noise_spam,
					radius * 0.01 * sin(phi_deg * DEG_TO_RAD) * noise_spam,
					radius * 0.01 * cos((theta_deg - theta_deg_step) * DEG_TO_RAD) * noise_spam,
					this->noise_param);
				auto noise_value_2 = ofNoise(
					radius * 0.01 * cos((phi_deg + phi_deg_step) * DEG_TO_RAD) * noise_spam,
					radius * 0.01 * sin((phi_deg + phi_deg_step) * DEG_TO_RAD) * noise_spam,
					radius * 0.01 * cos(theta_deg * DEG_TO_RAD) * noise_spam,
					this->noise_param);
				auto noise_value_3 = ofNoise(
					radius * 0.01 * cos((phi_deg - phi_deg_step) * DEG_TO_RAD) * noise_spam,
					radius * 0.01 * sin((phi_deg - phi_deg_step) * DEG_TO_RAD) * noise_spam,
					radius * 0.01 * cos(theta_deg * DEG_TO_RAD) * noise_spam,
					this->noise_param);
				auto noise_value_4 = ofNoise(
					radius * 0.01 * cos(phi_deg * DEG_TO_RAD) * noise_spam,
					radius * 0.01 * sin(phi_deg * DEG_TO_RAD) * noise_spam,
					radius * 0.01 * cos((theta_deg + theta_deg_step) * DEG_TO_RAD) * noise_spam,
					this->noise_param);

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

				vertices.push_back(glm::vec3(
					radius * sin((theta_deg - theta_deg_step * 0.5) * DEG_TO_RAD) * cos((phi_deg + phi_deg_step * 0.5) * DEG_TO_RAD),
					radius * sin((theta_deg - theta_deg_step * 0.5) * DEG_TO_RAD) * sin((phi_deg + phi_deg_step * 0.5) * DEG_TO_RAD),
					radius * cos((theta_deg - theta_deg_step * 0.5) * DEG_TO_RAD)));
				vertices.push_back(glm::vec3(
					radius * sin((theta_deg - theta_deg_step * 0.5) * DEG_TO_RAD) * cos((phi_deg - phi_deg_step * 0.5) * DEG_TO_RAD),
					radius * sin((theta_deg - theta_deg_step * 0.5) * DEG_TO_RAD) * sin((phi_deg - phi_deg_step * 0.5) * DEG_TO_RAD),
					radius * cos((theta_deg - theta_deg_step * 0.5) * DEG_TO_RAD)));
				vertices.push_back(glm::vec3(
					radius * sin((theta_deg + theta_deg_step * 0.5) * DEG_TO_RAD) * cos((phi_deg + phi_deg_step * 0.5) * DEG_TO_RAD),
					radius * sin((theta_deg + theta_deg_step * 0.5) * DEG_TO_RAD) * sin((phi_deg + phi_deg_step * 0.5) * DEG_TO_RAD),
					radius * cos((theta_deg + theta_deg_step * 0.5) * DEG_TO_RAD)));
				vertices.push_back(glm::vec3(
					radius * sin((theta_deg + theta_deg_step * 0.5) * DEG_TO_RAD) * cos((phi_deg - phi_deg_step * 0.5) * DEG_TO_RAD),
					radius * sin((theta_deg + theta_deg_step * 0.5) * DEG_TO_RAD) * sin((phi_deg - phi_deg_step * 0.5) * DEG_TO_RAD),
					radius * cos((theta_deg + theta_deg_step * 0.5) * DEG_TO_RAD)));

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

				if ((noise_value_1 < threshold_1 || noise_value_1 > threshold_2) || theta_deg == theta_start) {

					this->line.addVertex(vertices[0]); this->line.addVertex(vertices[1]);
					this->line.addIndex(this->line.getNumVertices() - 1); this->line.addIndex(this->line.getNumVertices() - 2);
				}

				if (noise_value_2 < threshold_1 || noise_value_2 > 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);
				}

				if (noise_value_3 < threshold_1 || noise_value_3 > 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);
				}

				if ((noise_value_4 < threshold_1 || noise_value_4 > threshold_2) || theta_deg >= theta_end - theta_deg_step) {

					this->line.addVertex(vertices[2]); this->line.addVertex(vertices[3]);
					this->line.addIndex(this->line.getNumVertices() - 1); this->line.addIndex(this->line.getNumVertices() - 2);
				}
			}
		}
	}
}

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

	this->cam.begin();
	ofRotateX(270);
	ofRotateZ(ofGetFrameNum() * 1.44);

	ofSetColor(239);
	this->face.draw();

	ofSetColor(39);
	this->line.draw();

	this->cam.end();

	/*
	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();

ofSetLineWidth(3);

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

}

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

void ofApp::update() {

if (ofGetFrameNum() % 50 < 15) {

this->noise_param += ofMap(ofGetFrameNum() % 50, 0, 15, 0.25, 0);

}

this->face.clear();

this->line.clear();

float phi_deg_step = 0.1;

float theta_deg_step = 0.1;

float theta_start = 70;

float theta_end = 110;

float threshold_1 = 0.44;

float threshold_2 = 0.56;

float noise_spam = 0.75;

for (float radius = 300; radius <= 300; radius += 100) {

for (float phi_deg = 0; phi_deg < 360; phi_deg += phi_deg_step) {

for (float theta_deg = theta_start; theta_deg <= theta_end; theta_deg += theta_deg_step) {

auto noise_value = ofNoise(

radius * 0.01 * cos(phi_deg * DEG_TO_RAD) * noise_spam,

radius * 0.01 * sin(phi_deg * DEG_TO_RAD) * noise_spam,

radius * 0.01 * cos(theta_deg * DEG_TO_RAD) * noise_spam,

this->noise_param);

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

auto noise_value_1 = ofNoise(

radius * 0.01 * cos(phi_deg * DEG_TO_RAD) * noise_spam,

radius * 0.01 * sin(phi_deg * DEG_TO_RAD) * noise_spam,

radius * 0.01 * cos((theta_deg - theta_deg_step) * DEG_TO_RAD) * noise_spam,

this->noise_param);

auto noise_value_2 = ofNoise(

radius * 0.01 * cos((phi_deg + phi_deg_step) * DEG_TO_RAD) * noise_spam,

radius * 0.01 * sin((phi_deg + phi_deg_step) * DEG_TO_RAD) * noise_spam,

radius * 0.01 * cos(theta_deg * DEG_TO_RAD) * noise_spam,

this->noise_param);

auto noise_value_3 = ofNoise(

radius * 0.01 * cos((phi_deg - phi_deg_step) * DEG_TO_RAD) * noise_spam,

radius * 0.01 * sin((phi_deg - phi_deg_step) * DEG_TO_RAD) * noise_spam,

radius * 0.01 * cos(theta_deg * DEG_TO_RAD) * noise_spam,

this->noise_param);

auto noise_value_4 = ofNoise(

radius * 0.01 * cos(phi_deg * DEG_TO_RAD) * noise_spam,

radius * 0.01 * sin(phi_deg * DEG_TO_RAD) * noise_spam,

radius * 0.01 * cos((theta_deg + theta_deg_step) * DEG_TO_RAD) * noise_spam,

this->noise_param);

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

vector<glm::vec3> vertices;

vertices.push_back(glm::vec3(

radius * sin((theta_deg - theta_deg_step * 0.5) * DEG_TO_RAD) * cos((phi_deg + phi_deg_step * 0.5) * DEG_TO_RAD),

radius * sin((theta_deg - theta_deg_step * 0.5) * DEG_TO_RAD) * sin((phi_deg + phi_deg_step * 0.5) * DEG_TO_RAD),

radius * cos((theta_deg - theta_deg_step * 0.5) * DEG_TO_RAD)));

vertices.push_back(glm::vec3(

radius * sin((theta_deg - theta_deg_step * 0.5) * DEG_TO_RAD) * cos((phi_deg - phi_deg_step * 0.5) * DEG_TO_RAD),

radius * sin((theta_deg - theta_deg_step * 0.5) * DEG_TO_RAD) * sin((phi_deg - phi_deg_step * 0.5) * DEG_TO_RAD),

radius * cos((theta_deg - theta_deg_step * 0.5) * DEG_TO_RAD)));

vertices.push_back(glm::vec3(

radius * sin((theta_deg + theta_deg_step * 0.5) * DEG_TO_RAD) * cos((phi_deg + phi_deg_step * 0.5) * DEG_TO_RAD),

radius * sin((theta_deg + theta_deg_step * 0.5) * DEG_TO_RAD) * sin((phi_deg + phi_deg_step * 0.5) * DEG_TO_RAD),

radius * cos((theta_deg + theta_deg_step * 0.5) * DEG_TO_RAD)));

vertices.push_back(glm::vec3(

radius * sin((theta_deg + theta_deg_step * 0.5) * DEG_TO_RAD) * cos((phi_deg - phi_deg_step * 0.5) * DEG_TO_RAD),

radius * sin((theta_deg + theta_deg_step * 0.5) * DEG_TO_RAD) * sin((phi_deg - phi_deg_step * 0.5) * DEG_TO_RAD),

radius * cos((theta_deg + theta_deg_step * 0.5) * DEG_TO_RAD)));

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

if ((noise_value_1 < threshold_1 || noise_value_1 > threshold_2) || theta_deg == theta_start) {

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

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

}

if (noise_value_2 < threshold_1 || noise_value_2 > 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);

}

if (noise_value_3 < threshold_1 || noise_value_3 > 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);

}

if ((noise_value_4 < threshold_1 || noise_value_4 > threshold_2) || theta_deg >= theta_end - theta_deg_step) {

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

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

}

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

void ofApp::draw() {

this->cam.begin();

ofRotateX(270);

ofRotateZ(ofGetFrameNum() * 1.44);

ofSetColor(239);

this->face.draw();

ofSetColor(39);

this->line.draw();

this->cam.end();

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/Insta20250225

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