2024年11月 – ページ 10 – プログラミング de 落描き

2024年11月4日

Zebra box.

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[ About ]
ゼブラ箱。

[ Source ]

#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) {};

	ofEasyCam cam;

	ofMesh mesh;
	ofTrueTypeFont font;
};

#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) {};

ofEasyCam cam;

ofMesh mesh;

ofTrueTypeFont font;

};

#include "ofApp.h"

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

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

	ofBackground(239);
	ofEnableDepthTest();
}

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

	ofSeedRandom(39);

	this->mesh.clear();

	float span = 0.25;
	ofColor color;
	float len = 350;

	float angle;
	glm::highp_mat4 rotation;
	for (float i = 0; i <= 6; i++) {

		for (float x = len * -0.5; x < len * 0.5; x += span) {

			for (float y = len * -0.5; y < len * 0.5; y += span) {

				if (i <= 4) {

					angle = PI * 0.5 * i;
					rotation = glm::rotate(glm::mat4(), angle, glm::vec3(0, 1, 0));
				}

				if (i == 5) {

					angle = PI * 0.5;
					rotation = glm::rotate(glm::mat4(), angle, glm::vec3(1, 0, 0));
				}

				if (i == 6) {

					angle = PI * 0.5 * 3;
					rotation = glm::rotate(glm::mat4(), angle, glm::vec3(1, 0, 0));
				}

				glm::vec3 noise_location = glm::vec4(x, y, len * 0.5, 0) * rotation;
				int noise_value = ofMap(ofNoise(noise_location.x * 0.0035, noise_location.y * 0.0035, noise_location.z * 0.0035, ofGetFrameNum() * 0.005), 0, 1, 0, 26);

				if (noise_value % 2 == 0) {

					continue;
				}

				ofColor color(239);

				vector<glm::vec3> vertices;
				vertices.push_back(glm::vec4(x, y, len * 0.5, 0) * rotation);
				vertices.push_back(glm::vec4(x + span, y, len * 0.5, 0) * rotation);
				vertices.push_back(glm::vec4(x + span, y + span, len * 0.5, 0) * rotation);
				vertices.push_back(glm::vec4(x, y + span, len * 0.5, 0) * rotation);
				this->mesh.addVertices(vertices);

				this->mesh.addColor(color); this->mesh.addColor(color);
				this->mesh.addColor(color); this->mesh.addColor(color);

				this->mesh.addIndex(this->mesh.getNumVertices() - 1); this->mesh.addIndex(this->mesh.getNumVertices() - 4); this->mesh.addIndex(this->mesh.getNumVertices() - 3);
				this->mesh.addIndex(this->mesh.getNumVertices() - 1); this->mesh.addIndex(this->mesh.getNumVertices() - 2); this->mesh.addIndex(this->mesh.getNumVertices() - 3);
			}
		}
	}
}

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

	this->cam.begin();
	ofRotateY(ofGetFrameNum() * 0.77);
	ofRotateX(ofGetFrameNum() * 1.44);

	this->mesh.draw();

	ofFill();
	ofSetColor(0);
	ofDrawBox(345);

	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(239);

ofEnableDepthTest();

}

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

void ofApp::update() {

ofSeedRandom(39);

this->mesh.clear();

float span = 0.25;

ofColor color;

float len = 350;

float angle;

glm::highp_mat4 rotation;

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

for (float x = len * -0.5; x < len * 0.5; x += span) {

for (float y = len * -0.5; y < len * 0.5; y += span) {

if (i <= 4) {

angle = PI * 0.5 * i;

rotation = glm::rotate(glm::mat4(), angle, glm::vec3(0, 1, 0));

}

if (i == 5) {

angle = PI * 0.5;

rotation = glm::rotate(glm::mat4(), angle, glm::vec3(1, 0, 0));

}

if (i == 6) {

angle = PI * 0.5 * 3;

rotation = glm::rotate(glm::mat4(), angle, glm::vec3(1, 0, 0));

}

glm::vec3 noise_location = glm::vec4(x, y, len * 0.5, 0) * rotation;

int noise_value = ofMap(ofNoise(noise_location.x * 0.0035, noise_location.y * 0.0035, noise_location.z * 0.0035, ofGetFrameNum() * 0.005), 0, 1, 0, 26);

if (noise_value % 2 == 0) {

continue;

}

ofColor color(239);

vector<glm::vec3> vertices;

vertices.push_back(glm::vec4(x, y, len * 0.5, 0) * rotation);

vertices.push_back(glm::vec4(x + span, y, len * 0.5, 0) * rotation);

vertices.push_back(glm::vec4(x + span, y + span, len * 0.5, 0) * rotation);

vertices.push_back(glm::vec4(x, y + span, len * 0.5, 0) * rotation);

this->mesh.addVertices(vertices);

this->mesh.addColor(color); this->mesh.addColor(color);

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

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

}

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

void ofApp::draw() {

this->cam.begin();

ofRotateY(ofGetFrameNum() * 0.77);

ofRotateX(ofGetFrameNum() * 1.44);

this->mesh.draw();

ofFill();

ofSetColor(0);

ofDrawBox(345);

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/Insta20241104

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2024年11月3日

Fill or NoFill.

[ Video ]

[ About ]
塗りつぶす、塗りつぶさない。

[ 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) {};

	vector<vector<glm::vec2>> log_list;
	vector<glm::vec2> velocity_list;
	vector<float> noise_seed_list;
	vector<ofColor> color_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 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<float> noise_seed_list;

vector<ofColor> color_list;

};

#include "ofApp.h"

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

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

	ofBackground(39);
	ofFill();
	ofEnableBlendMode(ofBlendMode::OF_BLENDMODE_ADD);

	ofSetRectMode(ofRectMode::OF_RECTMODE_CENTER);
}

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

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

		auto noise_location = glm::vec2(
			ofMap(ofNoise(39 + i * 5000, ofGetFrameNum() * 0.01), 0, 1, -360 + (int)(i / 2) * 360, 0 + (int)(i / 2) * 360),
			ofMap(ofNoise(239 + i * 5000, ofGetFrameNum() * 0.01), 0, 1, -360 + (int)(i % 2) * 360, 0 + (int)(i % 2) * 360));

		auto next_noise_location = glm::vec2(
			ofMap(ofNoise(39 + i * 5000, (ofGetFrameNum() + 1) * 0.01), 0, 1, -360 + (int)(i / 2) * 360, 0 + (int)(i / 2) * 360),
			ofMap(ofNoise(239 + i * 5000, (ofGetFrameNum() + 1) * 0.01), 0, 1, -360 + (int)(i % 2) * 360, 0 + (int)(i % 2) * 360));
		
		for (int k = 0; k < 2; k++) {

			vector<glm::vec2> log;
			log.push_back(noise_location);
			this->log_list.push_back(log);

			auto deg = glm::atan(next_noise_location.y - noise_location.y, next_noise_location.x - noise_location.x) * RAD_TO_DEG + 180 + ofRandom(-35, 35);
			glm::vec2 velocity = glm::vec2(cos(deg * DEG_TO_RAD), sin(deg * DEG_TO_RAD));
			this->velocity_list.push_back(velocity);

			this->noise_seed_list.push_back(ofRandom(1000));

			color.setHsb(ofRandom(i * 60, 60 + i * 60), 255, 255);
			this->color_list.push_back(color);
		}
	}

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

		auto future = this->velocity_list[i] * 200;
		auto random_deg = ofMap(ofNoise(glm::vec2(this->noise_seed_list[i], ofGetFrameNum() * 0.01)), 0, 1, 0, 360);
		future += glm::vec2(50 * cos(random_deg * DEG_TO_RAD), 50 * sin(random_deg * DEG_TO_RAD));

		auto next = this->log_list[i].back() + glm::normalize(future) * 6;
		next = glm::length(next) < 1000 ? next : glm::normalize(next) * 1000;
		this->log_list[i].push_back(next);

		if (this->log_list[i].size() > 30) {

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

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

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

	ofGetFrameNum() % 100 < 50 ? ofFill() : ofNoFill();
	for (int i = 0; i < this->log_list.size(); i++) {

		ofPushMatrix();
		ofTranslate(this->log_list[i].back());

		ofSetColor(this->color_list[i]);
		auto size = this->log_list[i].size() < 3 ? 20 : ofMap(this->log_list[i].size(), 3, 30, 20, 1);
		ofDrawCircle(glm::vec3(), size);

		ofPopMatrix();
	}

	/*
	int start = 100;
	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);

ofFill();

ofEnableBlendMode(ofBlendMode::OF_BLENDMODE_ADD);

ofSetRectMode(ofRectMode::OF_RECTMODE_CENTER);

}

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

void ofApp::update() {

ofColor color;

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

auto noise_location = glm::vec2(

ofMap(ofNoise(39 + i * 5000, ofGetFrameNum() * 0.01), 0, 1, -360 + (int)(i / 2) * 360, 0 + (int)(i / 2) * 360),

ofMap(ofNoise(239 + i * 5000, ofGetFrameNum() * 0.01), 0, 1, -360 + (int)(i % 2) * 360, 0 + (int)(i % 2) * 360));

auto next_noise_location = glm::vec2(

ofMap(ofNoise(39 + i * 5000, (ofGetFrameNum() + 1) * 0.01), 0, 1, -360 + (int)(i / 2) * 360, 0 + (int)(i / 2) * 360),

ofMap(ofNoise(239 + i * 5000, (ofGetFrameNum() + 1) * 0.01), 0, 1, -360 + (int)(i % 2) * 360, 0 + (int)(i % 2) * 360));

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

vector<glm::vec2> log;

log.push_back(noise_location);

this->log_list.push_back(log);

auto deg = glm::atan(next_noise_location.y - noise_location.y, next_noise_location.x - noise_location.x) * RAD_TO_DEG + 180 + ofRandom(-35, 35);

glm::vec2 velocity = glm::vec2(cos(deg * DEG_TO_RAD), sin(deg * DEG_TO_RAD));

this->velocity_list.push_back(velocity);

this->noise_seed_list.push_back(ofRandom(1000));

color.setHsb(ofRandom(i * 60, 60 + i * 60), 255, 255);

this->color_list.push_back(color);

}

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

auto future = this->velocity_list[i] * 200;

auto random_deg = ofMap(ofNoise(glm::vec2(this->noise_seed_list[i], ofGetFrameNum() * 0.01)), 0, 1, 0, 360);

future += glm::vec2(50 * cos(random_deg * DEG_TO_RAD), 50 * sin(random_deg * DEG_TO_RAD));

auto next = this->log_list[i].back() + glm::normalize(future) * 6;

next = glm::length(next) < 1000 ? next : glm::normalize(next) * 1000;

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

if (this->log_list[i].size() > 30) {

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

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

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

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

}

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

void ofApp::draw() {

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

ofGetFrameNum() % 100 < 50 ? ofFill() : ofNoFill();

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

ofPushMatrix();

ofTranslate(this->log_list[i].back());

ofSetColor(this->color_list[i]);

auto size = this->log_list[i].size() < 3 ? 20 : ofMap(this->log_list[i].size(), 3, 30, 20, 1);

ofDrawCircle(glm::vec3(), size);

ofPopMatrix();

}

int start = 100;

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/Insta20241103

[ほしいものリスト]
Amazon

[ Sponsor Link ]

2024年11月2日

Squares.

[ Video ]

[ About ]
正方形ず。

[ 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) {};

	vector<vector<glm::vec2>> log_list;
	vector<glm::vec2> velocity_list;
	vector<float> noise_seed_list;
	vector<ofColor> color_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 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<float> noise_seed_list;

vector<ofColor> color_list;

};

#include "ofApp.h"

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

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

	ofBackground(239);
	ofFill();

	ofSetRectMode(ofRectMode::OF_RECTMODE_CENTER);
}

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

	ofColor color;
	for (int i = 0; i < 8; i++) {

		auto noise_location = glm::vec2(
			ofMap(ofNoise(39 + i * 1000, ofGetFrameNum() * 0.0085), 0, 1, -600, 600),
			ofMap(ofNoise(239 + i * 1000, ofGetFrameNum() * 0.0085), 0, 1, -600, 600));

		auto next_noise_location = glm::vec2(
			ofMap(ofNoise(39 + i * 1000, (ofGetFrameNum() + 1) * 0.0085), 0, 1, -600, 600),
			ofMap(ofNoise(239 + i * 1000, (ofGetFrameNum() + 1) * 0.0085), 0, 1, -600, 600));
		
		for (int k = 0; k < 1; k++) {

			vector<glm::vec2> log;
			log.push_back(noise_location);
			this->log_list.push_back(log);

			auto deg = glm::atan(next_noise_location.y - noise_location.y, next_noise_location.x - noise_location.x) * RAD_TO_DEG + 180 + ofRandom(-30, 30);
			glm::vec2 velocity = glm::vec2(cos(deg * DEG_TO_RAD), sin(deg * DEG_TO_RAD));
			this->velocity_list.push_back(velocity);

			this->noise_seed_list.push_back(ofRandom(1000));

			color.setHsb(ofRandom(255), 255, 255);
			this->color_list.push_back(color);
		}
	}

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

		auto future = this->velocity_list[i] * 200;
		auto random_deg = ofMap(ofNoise(glm::vec2(this->noise_seed_list[i], ofGetFrameNum() * 0.01)), 0, 1, 0, 360);
		future += glm::vec2(50 * cos(random_deg * DEG_TO_RAD), 50 * sin(random_deg * DEG_TO_RAD));

		auto next = this->log_list[i].back() + glm::normalize(future) * 4;
		next = glm::length(next) < 1000 ? next : glm::normalize(next) * 1000;
		this->log_list[i].push_back(next);

		if (this->log_list[i].size() > 30) {

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

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

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

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

		ofPushMatrix();
		ofTranslate(this->log_list[i].back());

		auto rad = atan2(this->velocity_list[i].y, this->velocity_list[i].x);
		ofRotate(rad * RAD_TO_DEG + ofGetFrameNum() * 3);

		ofSetColor(this->color_list[i]);
		auto size = this->log_list[i].size() < 3 ? 35 : ofMap(this->log_list[i].size(), 3, 30, 35, 1);
		ofDrawRectangle(glm::vec3(), size, size);

		ofPopMatrix();
	}

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

		ofPushMatrix();
		ofTranslate(this->log_list[i].back());

		auto rad = atan2(this->velocity_list[i].y, this->velocity_list[i].x);
		ofRotate(rad * RAD_TO_DEG + ofGetFrameNum() * 3);

		ofSetColor(39);
		auto size = this->log_list[i].size() < 3 ? 28 : ofMap(this->log_list[i].size(), 3, 30, 28, 0);
		ofDrawRectangle(glm::vec3(), size, size);

		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(239);

ofFill();

ofSetRectMode(ofRectMode::OF_RECTMODE_CENTER);

}

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

void ofApp::update() {

ofColor color;

for (int i = 0; i < 8; i++) {

auto noise_location = glm::vec2(

ofMap(ofNoise(39 + i * 1000, ofGetFrameNum() * 0.0085), 0, 1, -600, 600),

ofMap(ofNoise(239 + i * 1000, ofGetFrameNum() * 0.0085), 0, 1, -600, 600));

auto next_noise_location = glm::vec2(

ofMap(ofNoise(39 + i * 1000, (ofGetFrameNum() + 1) * 0.0085), 0, 1, -600, 600),

ofMap(ofNoise(239 + i * 1000, (ofGetFrameNum() + 1) * 0.0085), 0, 1, -600, 600));

for (int k = 0; k < 1; k++) {

vector<glm::vec2> log;

log.push_back(noise_location);

this->log_list.push_back(log);

auto deg = glm::atan(next_noise_location.y - noise_location.y, next_noise_location.x - noise_location.x) * RAD_TO_DEG + 180 + ofRandom(-30, 30);

glm::vec2 velocity = glm::vec2(cos(deg * DEG_TO_RAD), sin(deg * DEG_TO_RAD));

this->velocity_list.push_back(velocity);

this->noise_seed_list.push_back(ofRandom(1000));

color.setHsb(ofRandom(255), 255, 255);

this->color_list.push_back(color);

}

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

auto future = this->velocity_list[i] * 200;

auto random_deg = ofMap(ofNoise(glm::vec2(this->noise_seed_list[i], ofGetFrameNum() * 0.01)), 0, 1, 0, 360);

future += glm::vec2(50 * cos(random_deg * DEG_TO_RAD), 50 * sin(random_deg * DEG_TO_RAD));

auto next = this->log_list[i].back() + glm::normalize(future) * 4;

next = glm::length(next) < 1000 ? next : glm::normalize(next) * 1000;

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

if (this->log_list[i].size() > 30) {

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

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

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

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

}

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

void ofApp::draw() {

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

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

ofPushMatrix();

ofTranslate(this->log_list[i].back());

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

ofRotate(rad * RAD_TO_DEG + ofGetFrameNum() * 3);

ofSetColor(this->color_list[i]);

auto size = this->log_list[i].size() < 3 ? 35 : ofMap(this->log_list[i].size(), 3, 30, 35, 1);

ofDrawRectangle(glm::vec3(), size, size);

ofPopMatrix();

}

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

ofPushMatrix();

ofTranslate(this->log_list[i].back());

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

ofRotate(rad * RAD_TO_DEG + ofGetFrameNum() * 3);

ofSetColor(39);

auto size = this->log_list[i].size() < 3 ? 28 : ofMap(this->log_list[i].size(), 3, 30, 28, 0);

ofDrawRectangle(glm::vec3(), size, size);

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/Insta20241102

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