プログラミング de 落描き – ページ 80 – クリエイティブ・コーディングによる生成物とソース

2024年11月13日

Illumination.

[ Video ]

[ About ]
イルミネーション。

[ 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<glm::vec2> location_list;
	vector<float> radius_list;
	vector<float> speed_list;
	vector<float> max_radius_list;
	vector<ofColor> color_list;

	ofMesh 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) {};

vector<glm::vec2> location_list;

vector<float> radius_list;

vector<float> speed_list;

vector<float> max_radius_list;

vector<ofColor> color_list;

ofMesh line;

};

#include "ofApp.h"

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

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

	ofBackground(39);

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

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

	for (int i = this->location_list.size() - 1; i >= 0; i--) {

		this->radius_list[i] += this->speed_list[i];

		if (this->radius_list[i] > this->max_radius_list[i]) {

			this->location_list.erase(this->location_list.begin() + i);
			this->radius_list.erase(this->radius_list.begin() + i);
			this->speed_list.erase(this->speed_list.begin() + i);
			this->max_radius_list.erase(this->max_radius_list.begin() + i);
			this->color_list.erase(this->color_list.begin() + i);
		}
	}

	ofColor color;
	for (int i = 0; i < 12; i++) {

		int random_deg = ofRandom(360);
		int random_radius = ofRandom(60, 500);

		auto location = glm::vec2(random_radius * cos(random_deg * DEG_TO_RAD), random_radius * sin(random_deg * DEG_TO_RAD));
		this->location_list.push_back(location);
		this->radius_list.push_back(1);
		this->speed_list.push_back(ofRandom(0.2, 0.5));
		this->max_radius_list.push_back(ofRandom(15, 30));
		//color.setHsb(ofRandom(255), 200, 255);
		color.setHsb(ofMap(random_deg, 0, 360, 0, 255), 200, 255);
		this->color_list.push_back(color);
	}

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

		this->line.addVertex(glm::vec3(this->location_list[i], 0));

		auto alpha = this->radius_list[i] < this->max_radius_list[i] * 0.5 ? 255 : ofMap(this->radius_list[i], this->max_radius_list[i] * 0.5, this->max_radius_list[i], 255, 0);
		this->line.addColor(ofColor(this->color_list[i], alpha));
		this->color_list[i] = ofColor(this->color_list[i], alpha);
	}

	for (int i = 0; i < this->line.getNumVertices(); i++) {

		for (int k = i + 1; k < this->line.getNumVertices(); k++) {

			if (this->radius_list[i] > 2 && this->radius_list[k] > 2) {

				auto distance = glm::distance(this->line.getVertex(i), this->line.getVertex(k));

				if (distance < 40) {

					this->line.addIndex(i);
					this->line.addIndex(k);
				}
			}
		}
	}
}

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

	ofTranslate(ofGetWindowSize() * 0.5);

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

		ofPushMatrix();
		ofTranslate(this->location_list[i]);

		ofSetColor(ofColor(this->color_list[i], this->color_list[i].a));

		ofNoFill();
		ofDrawCircle(glm::vec2(), this->radius_list[i] * 0.5);

		ofFill();
		ofDrawCircle(glm::vec2(), 2);

		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);

ofEnableBlendMode(ofBlendMode::OF_BLENDMODE_ADD);

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

}

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

void ofApp::update() {

for (int i = this->location_list.size() - 1; i >= 0; i--) {

this->radius_list[i] += this->speed_list[i];

if (this->radius_list[i] > this->max_radius_list[i]) {

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

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

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

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

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

}

ofColor color;

for (int i = 0; i < 12; i++) {

int random_deg = ofRandom(360);

int random_radius = ofRandom(60, 500);

auto location = glm::vec2(random_radius * cos(random_deg * DEG_TO_RAD), random_radius * sin(random_deg * DEG_TO_RAD));

this->location_list.push_back(location);

this->radius_list.push_back(1);

this->speed_list.push_back(ofRandom(0.2, 0.5));

this->max_radius_list.push_back(ofRandom(15, 30));

//color.setHsb(ofRandom(255), 200, 255);

color.setHsb(ofMap(random_deg, 0, 360, 0, 255), 200, 255);

this->color_list.push_back(color);

}

this->line.clear();

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

this->line.addVertex(glm::vec3(this->location_list[i], 0));

auto alpha = this->radius_list[i] < this->max_radius_list[i] * 0.5 ? 255 : ofMap(this->radius_list[i], this->max_radius_list[i] * 0.5, this->max_radius_list[i], 255, 0);

this->line.addColor(ofColor(this->color_list[i], alpha));

this->color_list[i] = ofColor(this->color_list[i], alpha);

}

for (int i = 0; i < this->line.getNumVertices(); i++) {

for (int k = i + 1; k < this->line.getNumVertices(); k++) {

if (this->radius_list[i] > 2 && this->radius_list[k] > 2) {

auto distance = glm::distance(this->line.getVertex(i), this->line.getVertex(k));

if (distance < 40) {

this->line.addIndex(i);

this->line.addIndex(k);

}

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

void ofApp::draw() {

ofTranslate(ofGetWindowSize() * 0.5);

this->line.drawWireframe();

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

ofPushMatrix();

ofTranslate(this->location_list[i]);

ofSetColor(ofColor(this->color_list[i], this->color_list[i].a));

ofNoFill();

ofDrawCircle(glm::vec2(), this->radius_list[i] * 0.5);

ofFill();

ofDrawCircle(glm::vec2(), 2);

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/Insta20241113

2024年11月12日

Ripples.

[ Video ]

[ About ]
波紋ず。

[ 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<glm::vec2> location_list;
	vector<float> radius_list;
	vector<float> speed_list;
	vector<float> max_radius_list;
	vector<ofColor> color_list;

	ofMesh 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) {};

vector<glm::vec2> location_list;

vector<float> radius_list;

vector<float> speed_list;

vector<float> max_radius_list;

vector<ofColor> color_list;

ofMesh line;

};

#include "ofApp.h"

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

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

	ofBackground(239);
	ofSetLineWidth(1);

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

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

	for (int i = this->location_list.size() - 1; i >= 0; i--) {

		this->radius_list[i] += this->speed_list[i];

		if (this->radius_list[i] > this->max_radius_list[i]) {

			this->location_list.erase(this->location_list.begin() + i);
			this->radius_list.erase(this->radius_list.begin() + i);
			this->speed_list.erase(this->speed_list.begin() + i);
			this->max_radius_list.erase(this->max_radius_list.begin() + i);
			this->color_list.erase(this->color_list.begin() + i);
		}
	}

	ofColor color;
	for (int i = 0; i < 3; i++) {

		int random_deg = (ofGetFrameNum() * 4) + ofRandom(-5, 5) + i * 120;
		int random_radius = 100 + (ofGetFrameNum() * 3) % 400 + ofRandom(-30, 30);

		auto location = glm::vec2(random_radius * cos(random_deg * DEG_TO_RAD), random_radius * sin(random_deg * DEG_TO_RAD));
		this->location_list.push_back(location);
		this->radius_list.push_back(1);
		this->speed_list.push_back(ofRandom(0.2, 0.5));
		this->max_radius_list.push_back(ofRandom(15, 30));
		color.setHsb(ofRandom(255), 255, 255);
		this->color_list.push_back(color);
	}

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

		this->line.addVertex(glm::vec3(this->location_list[i], 0));

		auto alpha = this->radius_list[i] < this->max_radius_list[i] * 0.5 ? 255 : ofMap(this->radius_list[i], this->max_radius_list[i] * 0.5, this->max_radius_list[i], 255, 0);
		this->line.addColor(ofColor(this->color_list[i], alpha));
		this->color_list[i] = ofColor(this->color_list[i], alpha);
	}

	for (int i = 0; i < this->line.getNumVertices(); i++) {

		for (int k = i + 1; k < this->line.getNumVertices(); k++) {

			if (this->radius_list[i] > 2 && this->radius_list[k] > 2) {

				auto distance = glm::distance(this->line.getVertex(i), this->line.getVertex(k));

				if (distance < 40) {

					this->line.addIndex(i);
					this->line.addIndex(k);
				}
			}
		}
	}
}

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

	ofTranslate(ofGetWindowSize() * 0.5);

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

		ofPushMatrix();
		ofTranslate(this->location_list[i]);

		ofSetColor(ofColor(0, this->color_list[i].a));

		ofNoFill();
		ofDrawCircle(glm::vec2(), this->radius_list[i]);

		ofFill();
		ofDrawCircle(glm::vec2(), 2);

		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);

ofSetLineWidth(1);

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

}

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

void ofApp::update() {

for (int i = this->location_list.size() - 1; i >= 0; i--) {

this->radius_list[i] += this->speed_list[i];

if (this->radius_list[i] > this->max_radius_list[i]) {

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

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

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

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

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

}

ofColor color;

for (int i = 0; i < 3; i++) {

int random_deg = (ofGetFrameNum() * 4) + ofRandom(-5, 5) + i * 120;

int random_radius = 100 + (ofGetFrameNum() * 3) % 400 + ofRandom(-30, 30);

auto location = glm::vec2(random_radius * cos(random_deg * DEG_TO_RAD), random_radius * sin(random_deg * DEG_TO_RAD));

this->location_list.push_back(location);

this->radius_list.push_back(1);

this->speed_list.push_back(ofRandom(0.2, 0.5));

this->max_radius_list.push_back(ofRandom(15, 30));

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

this->color_list.push_back(color);

}

this->line.clear();

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

this->line.addVertex(glm::vec3(this->location_list[i], 0));

auto alpha = this->radius_list[i] < this->max_radius_list[i] * 0.5 ? 255 : ofMap(this->radius_list[i], this->max_radius_list[i] * 0.5, this->max_radius_list[i], 255, 0);

this->line.addColor(ofColor(this->color_list[i], alpha));

this->color_list[i] = ofColor(this->color_list[i], alpha);

}

for (int i = 0; i < this->line.getNumVertices(); i++) {

for (int k = i + 1; k < this->line.getNumVertices(); k++) {

if (this->radius_list[i] > 2 && this->radius_list[k] > 2) {

auto distance = glm::distance(this->line.getVertex(i), this->line.getVertex(k));

if (distance < 40) {

this->line.addIndex(i);

this->line.addIndex(k);

}

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

void ofApp::draw() {

ofTranslate(ofGetWindowSize() * 0.5);

this->line.drawWireframe();

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

ofPushMatrix();

ofTranslate(this->location_list[i]);

ofSetColor(ofColor(0, this->color_list[i].a));

ofNoFill();

ofDrawCircle(glm::vec2(), this->radius_list[i]);

ofFill();

ofDrawCircle(glm::vec2(), 2);

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/Insta20241112

2024年11月11日

Unfinished hexagon.

[ Video ]

[ About ]
未完成な六角形。

[ 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) {};
};

#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) {};

};

#include "ofApp.h"

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

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

	ofBackground(39);
	ofSetLineWidth(0.5);
	ofSetColor(255);
}

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

	ofSeedRandom(39);
}

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

	auto radius = 24;
	auto x_span = radius * sqrt(3);
	auto flg = true;

	auto x_seed = ofRandom(1000);
	auto y_seed = ofRandom(1000);

	for (float y = 0; y <= 720 + radius; y += radius * 1.5) {

		for (float x = 0; x <= 720 + radius; x += x_span) {

			glm::vec3 location;
			if (flg) {

				location = glm::vec3(x, y, 0);
			}
			else {

				location = glm::vec3(x + (x_span / 2), y, 0);
			}

			ofPushMatrix();
			ofTranslate(location);
			ofRotate(90);

			for (int deg = 0; deg < 360; deg += 1) {

				int draw_radius = radius * 0.9;
				int param = deg % 60;

				glm::vec2 vertex;
				if (param == 0) {

					vertex = glm::vec2(draw_radius * cos(deg * DEG_TO_RAD), draw_radius * sin(deg * DEG_TO_RAD));
				}
				else {

					int p1 = deg / 60;
					int p2 = p1 + 1;

					auto p1_deg = p1 * 60;
					auto p2_deg = p2 * 60;

					auto source = glm::vec2(draw_radius * cos(p1_deg * DEG_TO_RAD), draw_radius * sin(p1_deg * DEG_TO_RAD));
					auto target = glm::vec2(draw_radius * cos(p2_deg * DEG_TO_RAD), draw_radius * sin(p2_deg * DEG_TO_RAD));

					vertex = source + ((target - source) / 60 * param);
				}

				glm::vec2 next;
				int next_deg = deg + 1;
				int next_param = next_deg % 60;
				if (next_param == 0) {

					next = glm::vec2(draw_radius * cos(next_deg * DEG_TO_RAD), draw_radius * sin(next_deg * DEG_TO_RAD));
				}
				else {

					int p1 = next_deg / 60;
					int p2 = p1 + 1;

					auto p1_deg = p1 * 60;
					auto p2_deg = p2 * 60;

					auto source = glm::vec2(draw_radius * cos(p1_deg * DEG_TO_RAD), draw_radius * sin(p1_deg * DEG_TO_RAD));
					auto target = glm::vec2(draw_radius * cos(p2_deg * DEG_TO_RAD), draw_radius * sin(p2_deg * DEG_TO_RAD));

					next = source + ((target - source) / 60 * next_param);
				}


				auto noise_value = ofNoise((location.x + vertex.x) * 0.005, (location.y + vertex.y) * 0.005, ofGetFrameNum() * 0.01);
				
				if (noise_value > 0.25 && noise_value < 0.75) {
					
					ofDrawLine(vertex, next);
				}
			}

			ofPopMatrix();
		}
		flg = !flg;
	}

	/*
	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);

ofSetLineWidth(0.5);

ofSetColor(255);

}

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

void ofApp::update() {

ofSeedRandom(39);

}

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

void ofApp::draw() {

auto radius = 24;

auto x_span = radius * sqrt(3);

auto flg = true;

auto x_seed = ofRandom(1000);

auto y_seed = ofRandom(1000);

for (float y = 0; y <= 720 + radius; y += radius * 1.5) {

for (float x = 0; x <= 720 + radius; x += x_span) {

glm::vec3 location;

if (flg) {

location = glm::vec3(x, y, 0);

}

else {

location = glm::vec3(x + (x_span / 2), y, 0);

}

ofPushMatrix();

ofTranslate(location);

ofRotate(90);

for (int deg = 0; deg < 360; deg += 1) {

int draw_radius = radius * 0.9;

int param = deg % 60;

glm::vec2 vertex;

if (param == 0) {

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

}

else {

int p1 = deg / 60;

int p2 = p1 + 1;

auto p1_deg = p1 * 60;

auto p2_deg = p2 * 60;

auto source = glm::vec2(draw_radius * cos(p1_deg * DEG_TO_RAD), draw_radius * sin(p1_deg * DEG_TO_RAD));

auto target = glm::vec2(draw_radius * cos(p2_deg * DEG_TO_RAD), draw_radius * sin(p2_deg * DEG_TO_RAD));

vertex = source + ((target - source) / 60 * param);

}

glm::vec2 next;

int next_deg = deg + 1;

int next_param = next_deg % 60;

if (next_param == 0) {

next = glm::vec2(draw_radius * cos(next_deg * DEG_TO_RAD), draw_radius * sin(next_deg * DEG_TO_RAD));

}

else {

int p1 = next_deg / 60;

int p2 = p1 + 1;

auto p1_deg = p1 * 60;

auto p2_deg = p2 * 60;

auto source = glm::vec2(draw_radius * cos(p1_deg * DEG_TO_RAD), draw_radius * sin(p1_deg * DEG_TO_RAD));

auto target = glm::vec2(draw_radius * cos(p2_deg * DEG_TO_RAD), draw_radius * sin(p2_deg * DEG_TO_RAD));

next = source + ((target - source) / 60 * next_param);

}

auto noise_value = ofNoise((location.x + vertex.x) * 0.005, (location.y + vertex.y) * 0.005, ofGetFrameNum() * 0.01);

if (noise_value > 0.25 && noise_value < 0.75) {

ofDrawLine(vertex, next);

}

ofPopMatrix();

}

flg = !flg;

}

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/Insta20241111

2025年7月
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