プログラミング de 落描き – ページ 186 – クリエイティブ・コーディングによる生成物とソース

2023年12月30日

Appears and disappears.

[ Video ]

[ About ]
現れたり消えたり。

[ 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) {};

	ofEasyCam cam;
	ofTrueTypeFont font;
};

#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) {};

ofEasyCam cam;

ofTrueTypeFont font;

};

#include "ofApp.h"	

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

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

	ofBackground(39);
	ofEnableDepthTest();

	this->font.loadFont("fonts/msgothic.ttc", 50, true, true, true);
}

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

	ofSeedRandom(39);
}

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

	string word = "2023";

	this->cam.begin();
	this->cam.setPosition(glm::vec3(0, 0, 150));
	ofRotateY(ofGetFrameNum() * 1.44);

	ofNoFill();
	auto len = 200;
	for (int i = 0; i < 8; i++) {

		if (i < 4) {

			ofRotateX(90);
		}
		else if (i < 5) {

			ofRotateY(90);
		}
		else {

			ofRotateY(180);
		}

		for (int k = 0; k < 800; k++) {

			auto location = glm::vec3(ofRandom(-len * 0.5, len * 0.5), ofRandom(-len * 0.5, len * 0.5), len * 0.5);
			auto radius = (int)(ofRandom(1000) + ofGetFrameNum()) % 150 - 120;

			auto angle = ofRandom(-PI * 2, PI * 2);
			auto rotation = glm::rotate(glm::mat4(), angle, glm::vec3(0, 0, 1));

			if (radius > 0) {

				ofPath chara_path = this->font.getCharacterAsPoints(word[k % word.size()], true, false);
				vector<ofPolyline> outline = chara_path.getOutline();

				ofSetColor(255, radius > 20 ? ofMap(radius, 20, 30, 200, 0) : 200);

				ofFill();
				ofBeginShape();
				for (int outline_index = 0; outline_index < outline.size(); outline_index++) {

					ofNextContour(true);

					outline[outline_index] = outline[outline_index].getResampledByCount(120);
					vector<glm::vec3> vertices = outline[outline_index].getVertices();

					for (int vertices_index = 0; vertices_index < vertices.size(); vertices_index++) {

						glm::vec3 vertex = location + glm::vec4(((vertices[vertices_index] - glm::vec2(25, -25)) / 50) * (radius > 10 ? 10 : radius), 0) * rotation;
						vertex.z += k * 0.01;

						if (vertex.y > len * 0.5) { vertex.y = len * 0.5; }
						if (vertex.y < -len * 0.5) { vertex.y = -len * 0.5; }
						if (vertex.x > len * 0.5) { vertex.x = len * 0.5; }
						if (vertex.x < -len * 0.5) { vertex.x = -len * 0.5; }

						ofVertex(vertex);
					}
				}
				ofEndShape(true);

				ofSetColor(255, radius > 20 ? ofMap(radius, 20, 30, 255, 0) : 255);

				ofNoFill();
				ofBeginShape();
				for (int outline_index = 0; outline_index < outline.size(); outline_index++) {

					ofNextContour(true);

					outline[outline_index] = outline[outline_index].getResampledByCount(120);
					vector<glm::vec3> vertices = outline[outline_index].getVertices();

					for (int vertices_index = 0; vertices_index < vertices.size(); vertices_index++) {

						glm::vec3 vertex = location + glm::vec4(((vertices[vertices_index] - glm::vec2(25, -25)) / 50) * (radius > 10 ? 10 : radius), 0) * rotation;
						vertex.z += k * 0.01;

						if (vertex.y > len * 0.5) { vertex.y = len * 0.5; }
						if (vertex.y < -len * 0.5) { vertex.y = -len * 0.5; }
						if (vertex.x > len * 0.5) { vertex.x = len * 0.5; }
						if (vertex.x < -len * 0.5) { vertex.x = -len * 0.5; }

						ofVertex(vertex);
					}
				}
				ofEndShape(true);
			}
		}
	}
	
	ofSetColor(239);
	ofDrawBox(200);

	this->cam.end();

	/*
	int start = 250;
	if (ofGetFrameNum() > start) {

		ostringstream os;
		os << setw(4) << setfill('0') << ofGetFrameNum() - start;
		ofImage image;
		image.grabScreen(0, 0, ofGetWidth(), ofGetHeight());
		image.saveImage("image/cap/img_" + os.str() + ".jpg");
		if (ofGetFrameNum() - start >= 25 * 20) {

			std::exit(1);
		}
	}
	*/
}

//--------------------------------------------------------------
int main() {

	ofSetupOpenGL(720, 720, OF_WINDOW);
	ofRunApp(new ofApp());
}

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#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(25);

ofSetWindowTitle("openFrameworks");

ofBackground(39);

ofEnableDepthTest();

this->font.loadFont("fonts/msgothic.ttc", 50, true, true, true);

}

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

void ofApp::update() {

ofSeedRandom(39);

}

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

void ofApp::draw() {

string word = "2023";

this->cam.begin();

this->cam.setPosition(glm::vec3(0, 0, 150));

ofRotateY(ofGetFrameNum() * 1.44);

ofNoFill();

auto len = 200;

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

if (i < 4) {

ofRotateX(90);

}

else if (i < 5) {

ofRotateY(90);

}

else {

ofRotateY(180);

}

for (int k = 0; k < 800; k++) {

auto location = glm::vec3(ofRandom(-len * 0.5, len * 0.5), ofRandom(-len * 0.5, len * 0.5), len * 0.5);

auto radius = (int)(ofRandom(1000) + ofGetFrameNum()) % 150 - 120;

auto angle = ofRandom(-PI * 2, PI * 2);

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

if (radius > 0) {

ofPath chara_path = this->font.getCharacterAsPoints(word[k % word.size()], true, false);

vector<ofPolyline> outline = chara_path.getOutline();

ofSetColor(255, radius > 20 ? ofMap(radius, 20, 30, 200, 0) : 200);

ofFill();

ofBeginShape();

for (int outline_index = 0; outline_index < outline.size(); outline_index++) {

ofNextContour(true);

outline[outline_index] = outline[outline_index].getResampledByCount(120);

vector<glm::vec3> vertices = outline[outline_index].getVertices();

for (int vertices_index = 0; vertices_index < vertices.size(); vertices_index++) {

glm::vec3 vertex = location + glm::vec4(((vertices[vertices_index] - glm::vec2(25, -25)) / 50) * (radius > 10 ? 10 : radius), 0) * rotation;

vertex.z += k * 0.01;

if (vertex.y > len * 0.5) { vertex.y = len * 0.5; }

if (vertex.y < -len * 0.5) { vertex.y = -len * 0.5; }

if (vertex.x > len * 0.5) { vertex.x = len * 0.5; }

if (vertex.x < -len * 0.5) { vertex.x = -len * 0.5; }

ofVertex(vertex);

}

ofEndShape(true);

ofSetColor(255, radius > 20 ? ofMap(radius, 20, 30, 255, 0) : 255);

ofNoFill();

ofBeginShape();

for (int outline_index = 0; outline_index < outline.size(); outline_index++) {

ofNextContour(true);

outline[outline_index] = outline[outline_index].getResampledByCount(120);

vector<glm::vec3> vertices = outline[outline_index].getVertices();

for (int vertices_index = 0; vertices_index < vertices.size(); vertices_index++) {

glm::vec3 vertex = location + glm::vec4(((vertices[vertices_index] - glm::vec2(25, -25)) / 50) * (radius > 10 ? 10 : radius), 0) * rotation;

vertex.z += k * 0.01;

if (vertex.y > len * 0.5) { vertex.y = len * 0.5; }

if (vertex.y < -len * 0.5) { vertex.y = -len * 0.5; }

if (vertex.x > len * 0.5) { vertex.x = len * 0.5; }

if (vertex.x < -len * 0.5) { vertex.x = -len * 0.5; }

ofVertex(vertex);

}

ofEndShape(true);

}

ofSetColor(239);

ofDrawBox(200);

this->cam.end();

int start = 250;

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/Insta20231230

2023年12月29日2023年12月29日

Number box.

[ Video ]

[ About ]
数字箱。

[ 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) {};

	ofEasyCam cam;
	ofTrueTypeFont font;
};

#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) {};

ofEasyCam cam;

ofTrueTypeFont font;

};

#include "ofApp.h"	

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

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

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

	this->font.loadFont("fonts/msgothic.ttc", 50, true, true, true);
}

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

	ofSeedRandom(39);
}

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

	string word = "0123456789";
	ofColor color;

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

	ofNoFill();
	auto len = 200;
	for (int i = 0; i < 8; i++) {

		if (i < 4) {

			ofRotateX(90);
		}
		else if (i < 5) {

			ofRotateY(90);
		}
		else {

			ofRotateY(180);
		}

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

			auto location = glm::vec3(ofRandom(-len * 0.5, len * 0.5), ofRandom(-len * 0.5, len * 0.5), len * 0.5);
			auto radius = (int)(ofRandom(1000) + ofGetFrameNum() * 2) % 150 - 100;
			color.setHsb(ofRandom(255), 180, 255);

			auto angle = ofRandom(-PI * 2, PI * 2);
			auto rotation = glm::rotate(glm::mat4(), angle, glm::vec3(0, 0, 1));

			if (radius > 0) {

				ofSetColor(color, radius > 40 ? ofMap(radius, 40, 50, 200, 0) : 200);

				ofPath chara_path = this->font.getCharacterAsPoints(word[k % word.size()], true, false);
				vector<ofPolyline> outline = chara_path.getOutline();

				ofFill();
				ofBeginShape();
				for (int outline_index = 0; outline_index < outline.size(); outline_index++) {

					ofNextContour(true);

					outline[outline_index] = outline[outline_index].getResampledByCount(60);
					vector<glm::vec3> vertices = outline[outline_index].getVertices();

					for (int vertices_index = 0; vertices_index < vertices.size(); vertices_index++) {

						glm::vec3 vertex = location + glm::vec4(((vertices[vertices_index] - glm::vec2(25, -25)) / 50) * radius * 2, 0) * rotation;
						vertex.z += k * 0.01;

						if (vertex.y > len * 0.5) { vertex.y = len * 0.5; }
						if (vertex.y < -len * 0.5) { vertex.y = -len * 0.5; }
						if (vertex.x > len * 0.5) { vertex.x = len * 0.5; }
						if (vertex.x < -len * 0.5) { vertex.x = -len * 0.5; }

						ofVertex(vertex);
					}
				}
				ofEndShape(true);

				ofSetColor(color, radius > 40 ? ofMap(radius, 40, 50, 255, 0) : 255);

				ofNoFill();
				ofBeginShape();
				for (int outline_index = 0; outline_index < outline.size(); outline_index++) {

					ofNextContour(true);

					outline[outline_index] = outline[outline_index].getResampledByCount(60);
					vector<glm::vec3> vertices = outline[outline_index].getVertices();

					for (int vertices_index = 0; vertices_index < vertices.size(); vertices_index++) {

						glm::vec3 vertex = location + glm::vec4(((vertices[vertices_index] - glm::vec2(25, -25)) / 50) * radius * 2, 0) * rotation;
						vertex.z += k * 0.01;

						if (vertex.y > len * 0.5) { vertex.y = len * 0.5; }
						if (vertex.y < -len * 0.5) { vertex.y = -len * 0.5; }
						if (vertex.x > len * 0.5) { vertex.x = len * 0.5; }
						if (vertex.x < -len * 0.5) { vertex.x = -len * 0.5; }

						ofVertex(vertex);
					}
				}
				ofEndShape(true);
			}
		}
	}

	this->cam.end();

	/*
	int start = 250;
	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();

this->font.loadFont("fonts/msgothic.ttc", 50, true, true, true);

}

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

void ofApp::update() {

ofSeedRandom(39);

}

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

void ofApp::draw() {

string word = "0123456789";

ofColor color;

this->cam.begin();

ofRotateY(ofGetFrameNum() * 1.44);

ofNoFill();

auto len = 200;

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

if (i < 4) {

ofRotateX(90);

}

else if (i < 5) {

ofRotateY(90);

}

else {

ofRotateY(180);

}

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

auto location = glm::vec3(ofRandom(-len * 0.5, len * 0.5), ofRandom(-len * 0.5, len * 0.5), len * 0.5);

auto radius = (int)(ofRandom(1000) + ofGetFrameNum() * 2) % 150 - 100;

color.setHsb(ofRandom(255), 180, 255);

auto angle = ofRandom(-PI * 2, PI * 2);

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

if (radius > 0) {

ofSetColor(color, radius > 40 ? ofMap(radius, 40, 50, 200, 0) : 200);

ofPath chara_path = this->font.getCharacterAsPoints(word[k % word.size()], true, false);

vector<ofPolyline> outline = chara_path.getOutline();

ofFill();

ofBeginShape();

for (int outline_index = 0; outline_index < outline.size(); outline_index++) {

ofNextContour(true);

outline[outline_index] = outline[outline_index].getResampledByCount(60);

vector<glm::vec3> vertices = outline[outline_index].getVertices();

for (int vertices_index = 0; vertices_index < vertices.size(); vertices_index++) {

glm::vec3 vertex = location + glm::vec4(((vertices[vertices_index] - glm::vec2(25, -25)) / 50) * radius * 2, 0) * rotation;

vertex.z += k * 0.01;

if (vertex.y > len * 0.5) { vertex.y = len * 0.5; }

if (vertex.y < -len * 0.5) { vertex.y = -len * 0.5; }

if (vertex.x > len * 0.5) { vertex.x = len * 0.5; }

if (vertex.x < -len * 0.5) { vertex.x = -len * 0.5; }

ofVertex(vertex);

}

ofEndShape(true);

ofSetColor(color, radius > 40 ? ofMap(radius, 40, 50, 255, 0) : 255);

ofNoFill();

ofBeginShape();

for (int outline_index = 0; outline_index < outline.size(); outline_index++) {

ofNextContour(true);

outline[outline_index] = outline[outline_index].getResampledByCount(60);

vector<glm::vec3> vertices = outline[outline_index].getVertices();

for (int vertices_index = 0; vertices_index < vertices.size(); vertices_index++) {

glm::vec3 vertex = location + glm::vec4(((vertices[vertices_index] - glm::vec2(25, -25)) / 50) * radius * 2, 0) * rotation;

vertex.z += k * 0.01;

if (vertex.y > len * 0.5) { vertex.y = len * 0.5; }

if (vertex.y < -len * 0.5) { vertex.y = -len * 0.5; }

if (vertex.x > len * 0.5) { vertex.x = len * 0.5; }

if (vertex.x < -len * 0.5) { vertex.x = -len * 0.5; }

ofVertex(vertex);

}

ofEndShape(true);

}

this->cam.end();

int start = 250;

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/Insta20231229

2023年12月28日

French cruller

[ Video ]

[ About ]
フレンチクルーラー。

[ Source ]

#pragma once
#include "ofMain.h"

class ofApp : public ofBaseApp {

public:
	void setup();
	void update();
	void draw();

	void keyPressed(int key) {};
	void keyReleased(int key) {};
	void mouseMoved(int x, int y) {};
	void mouseDragged(int x, int y, int button) {};
	void mousePressed(int x, int y, int button) {};
	void mouseReleased(int x, int y, int button) {};
	void 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) {};

	ofMesh mesh;
};

#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) {};

ofMesh mesh;

};

#include "ofApp.h"

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

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

	ofBackground(0);
	ofEnableBlendMode(ofBlendMode::OF_BLENDMODE_ADD);
}

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

	ofSeedRandom(39);

	this->mesh.clear();

	int deg_span = 10;
	int loc_span = 240;
	ofColor color;

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

		color = i == 0 ? ofColor(239, 39, 39) : i == 1 ? ofColor(39, 239, 39) : ofColor(39, 39, 238);
		for (int x = -loc_span; x <= loc_span; x += loc_span) {

			for (int y = -loc_span; y <= loc_span; y += loc_span) {

				auto noise_seed = ofRandom(1000);

				for (int deg = 0; deg < 360; deg += deg_span * 2) {

					for (int radius = 50; radius <= 100; radius += 50) {

						if (radius == 50) {

							auto noise_deg = ofMap(ofNoise(noise_seed, ofGetFrameNum() * 0.015), 0, 1, deg - 105, deg + 105);

							this->mesh.addVertex(glm::vec3(x + radius * cos((noise_deg + deg_span * 0.25) * DEG_TO_RAD), y + radius * sin((noise_deg + deg_span * 0.5) * DEG_TO_RAD), 0));
							this->mesh.addVertex(glm::vec3(x + radius * cos((noise_deg - deg_span * 0.25) * DEG_TO_RAD), y + radius * sin((noise_deg - deg_span * 0.5) * DEG_TO_RAD), 0));

							this->mesh.addColor(color);
							this->mesh.addColor(color);
						}
						else {

							this->mesh.addVertex(glm::vec3(x + radius * cos((deg + deg_span * 0.25) * DEG_TO_RAD), y + radius * sin((deg + deg_span * 0.5) * DEG_TO_RAD), 0));
							this->mesh.addVertex(glm::vec3(x + radius * cos((deg - deg_span * 0.25) * DEG_TO_RAD), y + radius * sin((deg - deg_span * 0.5) * DEG_TO_RAD), 0));

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

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

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

	ofTranslate(ofGetWindowSize() * 0.5);

	this->mesh.draw();

	/*
	int start = 75;
	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());
}

#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(25);

ofSetWindowTitle("openframeworks");

ofBackground(0);

ofEnableBlendMode(ofBlendMode::OF_BLENDMODE_ADD);

}

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

void ofApp::update() {

ofSeedRandom(39);

this->mesh.clear();

int deg_span = 10;

int loc_span = 240;

ofColor color;

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

color = i == 0 ? ofColor(239, 39, 39) : i == 1 ? ofColor(39, 239, 39) : ofColor(39, 39, 238);

for (int x = -loc_span; x <= loc_span; x += loc_span) {

for (int y = -loc_span; y <= loc_span; y += loc_span) {

auto noise_seed = ofRandom(1000);

for (int deg = 0; deg < 360; deg += deg_span * 2) {

for (int radius = 50; radius <= 100; radius += 50) {

if (radius == 50) {

auto noise_deg = ofMap(ofNoise(noise_seed, ofGetFrameNum() * 0.015), 0, 1, deg - 105, deg + 105);

this->mesh.addVertex(glm::vec3(x + radius * cos((noise_deg + deg_span * 0.25) * DEG_TO_RAD), y + radius * sin((noise_deg + deg_span * 0.5) * DEG_TO_RAD), 0));

this->mesh.addVertex(glm::vec3(x + radius * cos((noise_deg - deg_span * 0.25) * DEG_TO_RAD), y + radius * sin((noise_deg - deg_span * 0.5) * DEG_TO_RAD), 0));

this->mesh.addColor(color);

}

else {

this->mesh.addVertex(glm::vec3(x + radius * cos((deg + deg_span * 0.25) * DEG_TO_RAD), y + radius * sin((deg + deg_span * 0.5) * DEG_TO_RAD), 0));

this->mesh.addVertex(glm::vec3(x + radius * cos((deg - deg_span * 0.25) * DEG_TO_RAD), y + radius * sin((deg - deg_span * 0.5) * DEG_TO_RAD), 0));

this->mesh.addColor(color);

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

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

}

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

void ofApp::draw() {

ofTranslate(ofGetWindowSize() * 0.5);

this->mesh.draw();

int start = 75;

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/Insta20231228

2025年7月
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