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

2025年3月23日

Strawberry sauce.

[ Video ]

[ About ]
いちごソース。

[ 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) {};

	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 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(239);
	ofEnableDepthTest();
}

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

	this->mesh.clear();

	float span = 0.5;

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

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

			this->mesh.addVertex(glm::vec3(x, y, 0));
			this->mesh.addVertex(glm::vec3(x + span, y, 0));
			this->mesh.addVertex(glm::vec3(x + span, y + span, 0));
			this->mesh.addVertex(glm::vec3(x, y + span, 0));

			for (int i = this->mesh.getNumVertices() - 4; i < this->mesh.getNumVertices(); i++) {

				auto noise_location = glm::normalize(this->mesh.getVertex(i)) * 0.5;
				auto noise_value = ofMap(ofNoise(noise_location.x, noise_location.y, glm::length(this->mesh.getVertex(i)) * 0.00045 - ofGetFrameNum() * 0.02), 0, 1, 0, 4);
				int int_noise_value = noise_value;
				float param = noise_value - int_noise_value;
				param = abs(param - 0.5);
				auto alpha = param < 0.2 ? ofMap(param, 0, 0.2, 255, 0) : 0;

				this->mesh.addColor(ofColor(255, 39, 39, alpha));
			}

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

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

	ofTranslate(ofGetWindowSize() * 0.5);
	this->mesh.draw();

	/*
	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());
}

#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(25);

ofSetWindowTitle("openFrameworks");

ofBackground(239);

ofEnableDepthTest();

}

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

void ofApp::update() {

this->mesh.clear();

float span = 0.5;

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

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

this->mesh.addVertex(glm::vec3(x, y, 0));

this->mesh.addVertex(glm::vec3(x + span, y, 0));

this->mesh.addVertex(glm::vec3(x + span, y + span, 0));

this->mesh.addVertex(glm::vec3(x, y + span, 0));

for (int i = this->mesh.getNumVertices() - 4; i < this->mesh.getNumVertices(); i++) {

auto noise_location = glm::normalize(this->mesh.getVertex(i)) * 0.5;

auto noise_value = ofMap(ofNoise(noise_location.x, noise_location.y, glm::length(this->mesh.getVertex(i)) * 0.00045 - ofGetFrameNum() * 0.02), 0, 1, 0, 4);

int int_noise_value = noise_value;

float param = noise_value - int_noise_value;

param = abs(param - 0.5);

auto alpha = param < 0.2 ? ofMap(param, 0, 0.2, 255, 0) : 0;

this->mesh.addColor(ofColor(255, 39, 39, alpha));

}

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

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

}

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

void ofApp::draw() {

ofTranslate(ofGetWindowSize() * 0.5);

this->mesh.draw();

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/Insta20250323

2025年3月22日

Gradation circle.

[ Video ]

[ About ]
グラデーション円

[ 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<ofColor> color_list;
	vector<float> life_list;

	ofEasyCam cam;
};

#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<ofColor> color_list;

vector<float> life_list;

ofEasyCam cam;

};

#include "ofApp.h"	

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

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

	ofBackground(39);
	ofEnableBlendMode(ofBlendMode::OF_BLENDMODE_ADD);
	ofNoFill();
}

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

	ofColor color;
	for (int i = 0; i < 80; i++) {

		auto deg = ofRandom(360);
		int radius = ofRandom(200, 300);
		auto location = glm::vec2(radius * cos(deg * DEG_TO_RAD), radius * sin(deg * DEG_TO_RAD));

		ofColor color;
		color.setHsb(ofMap(deg, 0, 360, 0, 255), 200, 100);

		vector<glm::vec2> log;
		log.push_back(location);
		this->log_list.push_back(log);
		this->color_list.push_back(color);
		this->life_list.push_back(ofRandom(250, 350));
	}

	int radius = 6;
	for (int i = this->log_list.size() - 1; i >= 0; i--) {

		this->life_list[i] -= 1;
		if (this->life_list[i] < 0) {

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

			continue;
		}

		int count = 0;
		while (true) {

			auto deg = ofMap(ofNoise(glm::vec3(this->log_list[i].back().x * 0.01, this->log_list[i].back().y * 0.01, count * 0.01 + ofGetFrameNum() * 0.02)), 0, 1, -360, 360);
			auto tmp = this->log_list[i].back() + glm::vec2(radius * cos(deg * DEG_TO_RAD), radius * sin(deg * DEG_TO_RAD));
			if (glm::length(tmp) > 200 && glm::length(tmp) < 300) {

				this->log_list[i].push_back(this->log_list[i].back() + glm::vec2(radius * cos(deg * DEG_TO_RAD), radius * sin(deg * DEG_TO_RAD)));
				break;
			}
			else {

				count++;
			}
		}
		while (this->log_list[i].size() > 50) {

			this->log_list[i].erase(this->log_list[i].begin());
		}
	}
}

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

	this->cam.begin();
	ofRotateX(300);
	ofRotateZ(ofGetFrameNum() * 0.72);

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

		if (this->log_list[i].size() < 50) {

			ofSetColor(ofColor(this->color_list[i], ofMap(this->log_list[i].size(), 0, 50, 0, 255)));
			ofSetLineWidth(ofMap(this->log_list[i].size(), 0, 50, 0, 1));

		}else if (this->life_list[i] > 80) {

			ofSetColor(this->color_list[i]);
			ofSetLineWidth(1);
		}
		else {

			ofSetColor(ofColor(this->color_list[i], ofMap(this->life_list[i], 0, 80, 0, 255)));
			ofSetLineWidth(ofMap(this->life_list[i], 0, 80, 0, 1));
		}

		ofBeginShape();
		ofVertices(this->log_list[i]);
		ofEndShape();
	}

	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);

ofEnableBlendMode(ofBlendMode::OF_BLENDMODE_ADD);

ofNoFill();

}

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

void ofApp::update() {

ofColor color;

for (int i = 0; i < 80; i++) {

auto deg = ofRandom(360);

int radius = ofRandom(200, 300);

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

ofColor color;

color.setHsb(ofMap(deg, 0, 360, 0, 255), 200, 100);

vector<glm::vec2> log;

log.push_back(location);

this->log_list.push_back(log);

this->color_list.push_back(color);

this->life_list.push_back(ofRandom(250, 350));

}

int radius = 6;

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

this->life_list[i] -= 1;

if (this->life_list[i] < 0) {

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

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

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

continue;

}

int count = 0;

while (true) {

auto deg = ofMap(ofNoise(glm::vec3(this->log_list[i].back().x * 0.01, this->log_list[i].back().y * 0.01, count * 0.01 + ofGetFrameNum() * 0.02)), 0, 1, -360, 360);

auto tmp = this->log_list[i].back() + glm::vec2(radius * cos(deg * DEG_TO_RAD), radius * sin(deg * DEG_TO_RAD));

if (glm::length(tmp) > 200 && glm::length(tmp) < 300) {

this->log_list[i].push_back(this->log_list[i].back() + glm::vec2(radius * cos(deg * DEG_TO_RAD), radius * sin(deg * DEG_TO_RAD)));

break;

}

else {

count++;

}

while (this->log_list[i].size() > 50) {

this->log_list[i].erase(this->log_list[i].begin());

}

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

void ofApp::draw() {

this->cam.begin();

ofRotateX(300);

ofRotateZ(ofGetFrameNum() * 0.72);

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

if (this->log_list[i].size() < 50) {

ofSetColor(ofColor(this->color_list[i], ofMap(this->log_list[i].size(), 0, 50, 0, 255)));

ofSetLineWidth(ofMap(this->log_list[i].size(), 0, 50, 0, 1));

}else if (this->life_list[i] > 80) {

ofSetColor(this->color_list[i]);

ofSetLineWidth(1);

}

else {

ofSetColor(ofColor(this->color_list[i], ofMap(this->life_list[i], 0, 80, 0, 255)));

ofSetLineWidth(ofMap(this->life_list[i], 0, 80, 0, 1));

}

ofBeginShape();

ofVertices(this->log_list[i]);

ofEndShape();

}

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/Insta20250322

2025年3月21日2025年3月21日

Random walk on donut.

[ Video ]

[ About ]
円の上のランダムウォーク。

[ 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<ofColor> color_list;
	vector<float> life_list;

	ofEasyCam cam;
};

#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<ofColor> color_list;

vector<float> life_list;

ofEasyCam cam;

};

#include "ofApp.h"	

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

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

	ofBackground(239);
	ofEnableBlendMode(ofBlendMode::OF_BLENDMODE_SUBTRACT);
	ofNoFill();
}

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

	ofColor color;
	for (int i = 0; i < 30; i++) {

		auto deg = ofRandom(360);
		int radius = 200;
		auto location = glm::vec2(radius * cos(deg * DEG_TO_RAD), radius * sin(deg * DEG_TO_RAD));

		ofColor color;
		color.setHsb((int)ofRandom(245, 275) % 255, 200, 100);

		vector<glm::vec2> log;
		log.push_back(location);
		this->log_list.push_back(log);
		this->color_list.push_back(color);
		this->life_list.push_back(ofRandom(250, 350));
	}

	int radius = 6;
	for (int i = this->log_list.size() - 1; i >= 0; i--) {

		this->life_list[i] -= 1;
		if (this->life_list[i] < 0) {

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

			continue;
		}

		int count = 0;
		while (true) {

			auto deg = ofMap(ofNoise(glm::vec3(this->log_list[i].back() * 0.01, count * 0.01 + ofGetFrameNum() * 0.02)), 0, 1, -360, 360);
			auto tmp = this->log_list[i].back() + glm::vec2(radius * cos(deg * DEG_TO_RAD), radius * sin(deg * DEG_TO_RAD));
			if (glm::length(tmp) > 200 && glm::length(tmp) < 300) {

				this->log_list[i].push_back(this->log_list[i].back() + glm::vec2(radius * cos(deg * DEG_TO_RAD), radius * sin(deg * DEG_TO_RAD)));
				break;
			}
			else {

				count++;
			}
		}
		while (this->log_list[i].size() > 12) {

			this->log_list[i].erase(this->log_list[i].begin());
		}
	}
}

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

	this->cam.begin();
	ofRotateZ(90);

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

		if (this->life_list[i] > 80) {

			ofSetColor(this->color_list[i]);
			ofSetLineWidth(2);
		}
		else {

			ofSetColor(ofColor(this->color_list[i], ofMap(this->life_list[i], 0, 80, 0, 255)));
			ofSetLineWidth(ofMap(this->life_list[i], 0, 80, 0, 2));
		}

		ofBeginShape();
		ofVertices(this->log_list[i]);
		ofEndShape();
	}

	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(239);

ofEnableBlendMode(ofBlendMode::OF_BLENDMODE_SUBTRACT);

ofNoFill();

}

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

void ofApp::update() {

ofColor color;

for (int i = 0; i < 30; i++) {

auto deg = ofRandom(360);

int radius = 200;

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

ofColor color;

color.setHsb((int)ofRandom(245, 275) % 255, 200, 100);

vector<glm::vec2> log;

log.push_back(location);

this->log_list.push_back(log);

this->color_list.push_back(color);

this->life_list.push_back(ofRandom(250, 350));

}

int radius = 6;

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

this->life_list[i] -= 1;

if (this->life_list[i] < 0) {

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

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

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

continue;

}

int count = 0;

while (true) {

auto deg = ofMap(ofNoise(glm::vec3(this->log_list[i].back() * 0.01, count * 0.01 + ofGetFrameNum() * 0.02)), 0, 1, -360, 360);

auto tmp = this->log_list[i].back() + glm::vec2(radius * cos(deg * DEG_TO_RAD), radius * sin(deg * DEG_TO_RAD));

if (glm::length(tmp) > 200 && glm::length(tmp) < 300) {

this->log_list[i].push_back(this->log_list[i].back() + glm::vec2(radius * cos(deg * DEG_TO_RAD), radius * sin(deg * DEG_TO_RAD)));

break;

}

else {

count++;

}

while (this->log_list[i].size() > 12) {

this->log_list[i].erase(this->log_list[i].begin());

}

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

void ofApp::draw() {

this->cam.begin();

ofRotateZ(90);

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

if (this->life_list[i] > 80) {

ofSetColor(this->color_list[i]);

ofSetLineWidth(2);

}

else {

ofSetColor(ofColor(this->color_list[i], ofMap(this->life_list[i], 0, 80, 0, 255)));

ofSetLineWidth(ofMap(this->life_list[i], 0, 80, 0, 2));

}

ofBeginShape();

ofVertices(this->log_list[i]);

ofEndShape();

}

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/Insta20250321

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