openFrameworks – プログラミング de 落描き

2025年6月23日

Ameba pillar.

[ Video ]

[ About ]
アメーバ柱。

[ 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;
};

#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;

};

#include "ofApp.h"

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

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

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

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

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

	ofSeedRandom(39);

	auto seed = glm::vec3(ofRandom(1000), ofRandom(1000), ofRandom(1000));

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

	float threshold_1 = 0.4;
	float threshold_2 = 0.6;
	float deg_span = 0.25;
	float z_span = 1;

	float radius = 300;
	float noise_span = 0.005;

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

		for (float z = -300; z < 4096; z += z_span) {

			auto noise_value = ofNoise(glm::vec3(
				radius * cos(deg * DEG_TO_RAD) * noise_span + ofGetFrameNum() * 0.035,
				radius * sin(deg * DEG_TO_RAD) * noise_span + ofGetFrameNum() * 0.035,
				z * noise_span * 0.05 + ofGetFrameNum() * 0.05));

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

			auto noise_1 = ofNoise(glm::vec3(
				radius * cos((deg - deg_span) * DEG_TO_RAD) * noise_span + ofGetFrameNum() * 0.035,
				radius * sin((deg - deg_span) * DEG_TO_RAD) * noise_span + ofGetFrameNum() * 0.035,
				z * noise_span * 0.05 + ofGetFrameNum() * 0.05));
			auto noise_2 = ofNoise(glm::vec3(
				radius * cos(deg * DEG_TO_RAD) * noise_span + ofGetFrameNum() * 0.035,
				radius * sin(deg * DEG_TO_RAD) * noise_span + ofGetFrameNum() * 0.035,
				(z + z_span) * noise_span * 0.05 + ofGetFrameNum() * 0.05));
			auto noise_3 = ofNoise(glm::vec3(
				radius * cos(deg * DEG_TO_RAD) * noise_span + + ofGetFrameNum() * 0.035,
				radius * sin(deg * DEG_TO_RAD) * noise_span + + ofGetFrameNum() * 0.035,
				(z - z_span) * noise_span * 0.05 + ofGetFrameNum() * 0.05));
			auto noise_4 = ofNoise(glm::vec3(
				radius * cos((deg + deg_span) * DEG_TO_RAD) * noise_span + ofGetFrameNum() * 0.035,
				radius * sin((deg + deg_span) * DEG_TO_RAD) * noise_span + ofGetFrameNum() * 0.035,
				z * noise_span * 0.05 + ofGetFrameNum() * 0.05));

			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);

			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);
			}

			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);
			}

			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);
			}

			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);

			}
		}
	}
}

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

	this->cam.begin();
	ofRotateY(180);

	ofSetColor(0);
	this->line.draw();

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

	ofDrawCircle(glm::vec3(0, 0, 4096), 250);
	
	/*
	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);
		}
	}
	*/

	this->cam.end();
}

//--------------------------------------------------------------
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();

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

}

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

void ofApp::update() {

ofSeedRandom(39);

auto seed = glm::vec3(ofRandom(1000), ofRandom(1000), ofRandom(1000));

this->face.clear();

this->line.clear();

float threshold_1 = 0.4;

float threshold_2 = 0.6;

float deg_span = 0.25;

float z_span = 1;

float radius = 300;

float noise_span = 0.005;

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

for (float z = -300; z < 4096; z += z_span) {

auto noise_value = ofNoise(glm::vec3(

radius * cos(deg * DEG_TO_RAD) * noise_span + ofGetFrameNum() * 0.035,

radius * sin(deg * DEG_TO_RAD) * noise_span + ofGetFrameNum() * 0.035,

z * noise_span * 0.05 + ofGetFrameNum() * 0.05));

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

auto noise_1 = ofNoise(glm::vec3(

radius * cos((deg - deg_span) * DEG_TO_RAD) * noise_span + ofGetFrameNum() * 0.035,

radius * sin((deg - deg_span) * DEG_TO_RAD) * noise_span + ofGetFrameNum() * 0.035,

z * noise_span * 0.05 + ofGetFrameNum() * 0.05));

auto noise_2 = ofNoise(glm::vec3(

radius * cos(deg * DEG_TO_RAD) * noise_span + ofGetFrameNum() * 0.035,

radius * sin(deg * DEG_TO_RAD) * noise_span + ofGetFrameNum() * 0.035,

(z + z_span) * noise_span * 0.05 + ofGetFrameNum() * 0.05));

auto noise_3 = ofNoise(glm::vec3(

radius * cos(deg * DEG_TO_RAD) * noise_span + + ofGetFrameNum() * 0.035,

radius * sin(deg * DEG_TO_RAD) * noise_span + + ofGetFrameNum() * 0.035,

(z - z_span) * noise_span * 0.05 + ofGetFrameNum() * 0.05));

auto noise_4 = ofNoise(glm::vec3(

radius * cos((deg + deg_span) * DEG_TO_RAD) * noise_span + ofGetFrameNum() * 0.035,

radius * sin((deg + deg_span) * DEG_TO_RAD) * noise_span + ofGetFrameNum() * 0.035,

z * noise_span * 0.05 + ofGetFrameNum() * 0.05));

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);

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);

}

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);

}

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);

}

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);

}

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

void ofApp::draw() {

this->cam.begin();

ofRotateY(180);

ofSetColor(0);

this->line.draw();

ofSetColor(39);

this->face.draw();

ofDrawCircle(glm::vec3(0, 0, 4096), 250);

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);

}

this->cam.end();

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20250623

2025年6月22日

Chasing.

[ Video ]

[ About ]
おいかけっこ。

[ 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;

	glm::vec3 target_location, camera_location;
};

#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;

glm::vec3 target_location, camera_location;

};

#include "ofApp.h"

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

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

	ofBackground(39);
	ofSetLineWidth(2);
	ofEnableDepthTest();
	ofEnableBlendMode(ofBlendMode::OF_BLENDMODE_ADD);
}

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

	ofSeedRandom(39);

	this->face.clear();

	auto base_noise_seed = glm::vec3(ofRandom(1000), ofRandom(1000), ofRandom(1000));
	this->camera_location = glm::vec3(
		ofMap(ofNoise(base_noise_seed.x, (ofGetFrameNum() + 75) * 0.01), 0, 1, -500, 500),
		ofMap(ofNoise(base_noise_seed.y, (ofGetFrameNum() + 75) * 0.01), 0, 1, -500, 500),
		ofMap(ofNoise(base_noise_seed.z, (ofGetFrameNum() + 75) * 0.01), 0, 1, -500, 500));

	this->target_location = glm::vec3(
		ofMap(ofNoise(base_noise_seed.x, (ofGetFrameNum() + 90) * 0.01), 0, 1, -500, 500),
		ofMap(ofNoise(base_noise_seed.y, (ofGetFrameNum() + 90) * 0.01), 0, 1, -500, 500),
		ofMap(ofNoise(base_noise_seed.z, (ofGetFrameNum() + 90) * 0.01), 0, 1, -500, 500));

	for (int k = 0; k < 7; k++) {

		int r = ofRandom(3);
		auto param = r == 0 ? glm::vec3(5, 0, 0) : r == 1 ? glm::vec3(0, 5, 0) : glm::vec3(0, 0, 5);
		auto noise_seed = glm::vec3(ofRandom(1000), ofRandom(1000), ofRandom(1000));
		auto start_index = this->face.getNumVertices();

		ofColor color;
		color.setHsb(ofMap(k, 0, 7, 0, 255), 150, 255);
		
		for (int i = 0; i < 100; i++) {

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

			auto base_location = glm::vec3(
				ofMap(ofNoise(base_noise_seed.x, (k * 0 + i + ofGetFrameNum()) * 0.01), 0, 1, -500, 500),
				ofMap(ofNoise(base_noise_seed.y, (k * 0 + i + ofGetFrameNum()) * 0.01), 0, 1, -500, 500),
				ofMap(ofNoise(base_noise_seed.z, (k * 0 + i + ofGetFrameNum()) * 0.01), 0, 1, -500, 500));

			auto location = glm::vec3(
				ofMap(ofNoise(noise_seed.x, (k * 0 + i + ofGetFrameNum()) * 0.02), 0, 1, -100, 100),
				ofMap(ofNoise(noise_seed.y, (k * 0 + i + ofGetFrameNum()) * 0.02), 0, 1, -100, 100),
				ofMap(ofNoise(noise_seed.z, (k * 0 + i + ofGetFrameNum()) * 0.02), 0, 1, -100, 100));

			location += base_location;

			this->face.addVertex(location + param);
			this->face.addVertex(location - param);

			auto alpha = ofMap(i, 0, 100, 255, 255);

			this->face.addColor(ofColor(color, alpha));
			this->face.addColor(ofColor(color, alpha));

			if (i > 0) {

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

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

	auto camera_location = this->camera_location;

	this->cam.setPosition(camera_location);
	this->cam.setTarget(target_location);
	this->cam.lookAt(target_location);

	this->cam.begin();

	this->face.drawFaces();

	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);
		}
	}
	*/
}

//--------------------------------------------------------------
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();

ofEnableBlendMode(ofBlendMode::OF_BLENDMODE_ADD);

}

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

void ofApp::update() {

ofSeedRandom(39);

this->face.clear();

auto base_noise_seed = glm::vec3(ofRandom(1000), ofRandom(1000), ofRandom(1000));

this->camera_location = glm::vec3(

ofMap(ofNoise(base_noise_seed.x, (ofGetFrameNum() + 75) * 0.01), 0, 1, -500, 500),

ofMap(ofNoise(base_noise_seed.y, (ofGetFrameNum() + 75) * 0.01), 0, 1, -500, 500),

ofMap(ofNoise(base_noise_seed.z, (ofGetFrameNum() + 75) * 0.01), 0, 1, -500, 500));

this->target_location = glm::vec3(

ofMap(ofNoise(base_noise_seed.x, (ofGetFrameNum() + 90) * 0.01), 0, 1, -500, 500),

ofMap(ofNoise(base_noise_seed.y, (ofGetFrameNum() + 90) * 0.01), 0, 1, -500, 500),

ofMap(ofNoise(base_noise_seed.z, (ofGetFrameNum() + 90) * 0.01), 0, 1, -500, 500));

for (int k = 0; k < 7; k++) {

int r = ofRandom(3);

auto param = r == 0 ? glm::vec3(5, 0, 0) : r == 1 ? glm::vec3(0, 5, 0) : glm::vec3(0, 0, 5);

auto noise_seed = glm::vec3(ofRandom(1000), ofRandom(1000), ofRandom(1000));

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

ofColor color;

color.setHsb(ofMap(k, 0, 7, 0, 255), 150, 255);

for (int i = 0; i < 100; i++) {

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

auto base_location = glm::vec3(

ofMap(ofNoise(base_noise_seed.x, (k * 0 + i + ofGetFrameNum()) * 0.01), 0, 1, -500, 500),

ofMap(ofNoise(base_noise_seed.y, (k * 0 + i + ofGetFrameNum()) * 0.01), 0, 1, -500, 500),

ofMap(ofNoise(base_noise_seed.z, (k * 0 + i + ofGetFrameNum()) * 0.01), 0, 1, -500, 500));

auto location = glm::vec3(

ofMap(ofNoise(noise_seed.x, (k * 0 + i + ofGetFrameNum()) * 0.02), 0, 1, -100, 100),

ofMap(ofNoise(noise_seed.y, (k * 0 + i + ofGetFrameNum()) * 0.02), 0, 1, -100, 100),

ofMap(ofNoise(noise_seed.z, (k * 0 + i + ofGetFrameNum()) * 0.02), 0, 1, -100, 100));

location += base_location;

this->face.addVertex(location + param);

this->face.addVertex(location - param);

auto alpha = ofMap(i, 0, 100, 255, 255);

this->face.addColor(ofColor(color, alpha));

if (i > 0) {

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

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

}

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

void ofApp::draw() {

auto camera_location = this->camera_location;

this->cam.setPosition(camera_location);

this->cam.setTarget(target_location);

this->cam.lookAt(target_location);

this->cam.begin();

this->face.drawFaces();

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);

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20250622

2025年6月21日

Color stream.

[ Video ]

[ About ]
カラーストリーム。

[ 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;

	glm::vec3 target_location, camera_location;
};

#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;

glm::vec3 target_location, camera_location;

};

#include "ofApp.h"

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

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

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

}

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

	ofSeedRandom(39);

	this->face.clear();

	auto base_noise_seed = glm::vec3(ofRandom(1000), ofRandom(1000), ofRandom(1000));
	this->camera_location = glm::vec3(
		ofMap(ofNoise(base_noise_seed.x, (ofGetFrameNum()) * 0.01), 0, 1, -500, 500),
		ofMap(ofNoise(base_noise_seed.y, (ofGetFrameNum()) * 0.01), 0, 1, -500, 500),
		ofMap(ofNoise(base_noise_seed.z, (ofGetFrameNum()) * 0.01), 0, 1, -500, 500));

	this->target_location = glm::vec3(
		ofMap(ofNoise(base_noise_seed.x, (ofGetFrameNum() + 505) * 0.01), 0, 1, -500, 500),
		ofMap(ofNoise(base_noise_seed.y, (ofGetFrameNum() + 505) * 0.01), 0, 1, -500, 500),
		ofMap(ofNoise(base_noise_seed.z, (ofGetFrameNum() + 505) * 0.01), 0, 1, -500, 500));

	for (int k = 0; k < 1000; k++) {

		auto param = glm::vec3(2, 0, 0);
		auto noise_seed = glm::vec3(ofRandom(1000), ofRandom(1000), ofRandom(1000));
		auto start_index = this->face.getNumVertices();

		ofColor color;
		
		for (int i = 0; i < 15; i++) {

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

			auto base_location = glm::vec3(
				ofMap(ofNoise(base_noise_seed.x, (k * 0.5 + i + ofGetFrameNum()) * 0.01), 0, 1, -500, 500),
				ofMap(ofNoise(base_noise_seed.y, (k * 0.5 + i + ofGetFrameNum()) * 0.01), 0, 1, -500, 500),
				ofMap(ofNoise(base_noise_seed.z, (k * 0.5 + i + ofGetFrameNum()) * 0.01), 0, 1, -500, 500));

			auto location = glm::vec3(
				ofMap(ofNoise(noise_seed.x, (k * 0.5 + i + ofGetFrameNum()) * 0.02), 0, 1, -50, 50),
				ofMap(ofNoise(noise_seed.y, (k * 0.5 + i + ofGetFrameNum()) * 0.02), 0, 1, -50, 50),
				ofMap(ofNoise(noise_seed.z, (k * 0.5 + i + ofGetFrameNum()) * 0.02), 0, 1, -50, 50));

			location += base_location;

			this->face.addVertex(location + param);
			this->face.addVertex(location - param);

			auto alpha = ofMap(i, 0, 15, 0, 255);
			color.setHsb(ofMap(k, 0, 1000, 0, 255), 180, 255);

			this->face.addColor(ofColor(color, alpha));
			this->face.addColor(ofColor(color, alpha));

			if (i > 0) {

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

			}
		}
	}
}

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

	auto camera_location = this->camera_location + glm::vec3(0, 0, 700);

	this->cam.setPosition(camera_location);
	this->cam.setTarget(target_location);
	this->cam.lookAt(target_location);

	this->cam.begin();

	this->face.drawFaces();

	this->cam.end();
	/*
	int start = 350;
	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);

ofSetLineWidth(2);

ofEnableDepthTest();

}

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

void ofApp::update() {

ofSeedRandom(39);

this->face.clear();

auto base_noise_seed = glm::vec3(ofRandom(1000), ofRandom(1000), ofRandom(1000));

this->camera_location = glm::vec3(

ofMap(ofNoise(base_noise_seed.x, (ofGetFrameNum()) * 0.01), 0, 1, -500, 500),

ofMap(ofNoise(base_noise_seed.y, (ofGetFrameNum()) * 0.01), 0, 1, -500, 500),

ofMap(ofNoise(base_noise_seed.z, (ofGetFrameNum()) * 0.01), 0, 1, -500, 500));

this->target_location = glm::vec3(

ofMap(ofNoise(base_noise_seed.x, (ofGetFrameNum() + 505) * 0.01), 0, 1, -500, 500),

ofMap(ofNoise(base_noise_seed.y, (ofGetFrameNum() + 505) * 0.01), 0, 1, -500, 500),

ofMap(ofNoise(base_noise_seed.z, (ofGetFrameNum() + 505) * 0.01), 0, 1, -500, 500));

for (int k = 0; k < 1000; k++) {

auto param = glm::vec3(2, 0, 0);

auto noise_seed = glm::vec3(ofRandom(1000), ofRandom(1000), ofRandom(1000));

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

ofColor color;

for (int i = 0; i < 15; i++) {

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

auto base_location = glm::vec3(

ofMap(ofNoise(base_noise_seed.x, (k * 0.5 + i + ofGetFrameNum()) * 0.01), 0, 1, -500, 500),

ofMap(ofNoise(base_noise_seed.y, (k * 0.5 + i + ofGetFrameNum()) * 0.01), 0, 1, -500, 500),

ofMap(ofNoise(base_noise_seed.z, (k * 0.5 + i + ofGetFrameNum()) * 0.01), 0, 1, -500, 500));

auto location = glm::vec3(

ofMap(ofNoise(noise_seed.x, (k * 0.5 + i + ofGetFrameNum()) * 0.02), 0, 1, -50, 50),

ofMap(ofNoise(noise_seed.y, (k * 0.5 + i + ofGetFrameNum()) * 0.02), 0, 1, -50, 50),

ofMap(ofNoise(noise_seed.z, (k * 0.5 + i + ofGetFrameNum()) * 0.02), 0, 1, -50, 50));

location += base_location;

this->face.addVertex(location + param);

this->face.addVertex(location - param);

auto alpha = ofMap(i, 0, 15, 0, 255);

color.setHsb(ofMap(k, 0, 1000, 0, 255), 180, 255);

this->face.addColor(ofColor(color, alpha));

if (i > 0) {

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

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

}

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

void ofApp::draw() {

auto camera_location = this->camera_location + glm::vec3(0, 0, 700);

this->cam.setPosition(camera_location);

this->cam.setTarget(target_location);

this->cam.lookAt(target_location);

this->cam.begin();

this->face.drawFaces();

this->cam.end();

int start = 350;

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/Insta20250621

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