プログラミング de 落描き – ページ 236 – 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11月20日

Radial colors.

[ Video ]

[ About ]
放射線状の色。

[ 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;

	glm::vec2 base_seed;

	vector<vector<glm::vec2>> log_list;
	vector<glm::vec2> velocity_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 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;

glm::vec2 base_seed;

vector<vector<glm::vec2>> log_list;

vector<glm::vec2> velocity_list;

vector<ofColor> color_list;

};

#include "ofApp.h"

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

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

	ofBackground(239);
	ofSetCircleResolution(60);
	ofEnableBlendMode(ofBlendMode::OF_BLENDMODE_SUBTRACT);

	this->mesh.setMode(ofPrimitiveMode::OF_PRIMITIVE_LINES);
	this->base_seed = glm::vec2(ofRandom(1000), ofRandom(1000));
}

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

	this->mesh.clear();

	int radius = 50;
	ofColor color;

	while (this->log_list.size() < 8000) {

		int deg_base = ofRandom(360);
		int deg = deg_base / 24 * 24;

		vector<glm::vec2> log;
		auto location = glm::vec2(radius * cos(deg * DEG_TO_RAD), radius * sin(deg * DEG_TO_RAD));
		log.push_back(location);
		auto next = glm::vec2((radius - 10) * cos(deg * DEG_TO_RAD), (radius - 10) * sin(deg * DEG_TO_RAD));

		auto distance = location - next;
		distance *= 2;

		auto future = location + distance * 30;
		auto random_deg = ofRandom(360);
		future += glm::vec2(120 * cos(random_deg * DEG_TO_RAD), 120 * sin(random_deg * DEG_TO_RAD));
		auto future_distance = future - location;

		this->log_list.push_back(log);
		this->velocity_list.push_back(glm::normalize(future_distance) * glm::length(distance) * ofRandom(0.25, 1.6));
		color.setHsb(ofMap(deg_base, 0, 345, 0, 255), 200, 255);
		this->color_list.push_back(ofColor(color, 16));
	}

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

		auto location = this->log_list[i][this->log_list[i].size() - 1];
		auto feature = location + glm::normalize(this->velocity_list[i]) * 100;
		auto deg = ofMap(ofNoise(glm::vec3(location * 0.025, ofGetFrameNum() * 0.01)), 0, 1, -90, 90);
		feature += glm::vec2(45 * cos(deg * DEG_TO_RAD), 45 * sin(deg * DEG_TO_RAD));
		location += glm::normalize(feature - location) * glm::length(this->velocity_list[i]);

		if (glm::distance(glm::vec2(), this->log_list[i][this->log_list[i].size() - 1]) > 1300) {

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

			continue;
		}

		this->log_list[i].push_back(location);
		this->velocity_list[i] *= 1.01;
	}

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

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

			this->mesh.addVertex(glm::vec3(this->log_list[i][k], 0));
			this->mesh.addColor(this->color_list[i]);

			if (k > 0) {

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

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

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

	this->mesh.drawWireframe();

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

		ofSetColor(this->mesh.getColor(i));
	}

	/*
	int start = 150;
	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);

ofSetCircleResolution(60);

ofEnableBlendMode(ofBlendMode::OF_BLENDMODE_SUBTRACT);

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

this->base_seed = glm::vec2(ofRandom(1000), ofRandom(1000));

}

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

void ofApp::update() {

this->mesh.clear();

int radius = 50;

ofColor color;

while (this->log_list.size() < 8000) {

int deg_base = ofRandom(360);

int deg = deg_base / 24 * 24;

vector<glm::vec2> log;

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

log.push_back(location);

auto next = glm::vec2((radius - 10) * cos(deg * DEG_TO_RAD), (radius - 10) * sin(deg * DEG_TO_RAD));

auto distance = location - next;

distance *= 2;

auto future = location + distance * 30;

auto random_deg = ofRandom(360);

future += glm::vec2(120 * cos(random_deg * DEG_TO_RAD), 120 * sin(random_deg * DEG_TO_RAD));

auto future_distance = future - location;

this->log_list.push_back(log);

this->velocity_list.push_back(glm::normalize(future_distance) * glm::length(distance) * ofRandom(0.25, 1.6));

color.setHsb(ofMap(deg_base, 0, 345, 0, 255), 200, 255);

this->color_list.push_back(ofColor(color, 16));

}

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

auto location = this->log_list[i][this->log_list[i].size() - 1];

auto feature = location + glm::normalize(this->velocity_list[i]) * 100;

auto deg = ofMap(ofNoise(glm::vec3(location * 0.025, ofGetFrameNum() * 0.01)), 0, 1, -90, 90);

feature += glm::vec2(45 * cos(deg * DEG_TO_RAD), 45 * sin(deg * DEG_TO_RAD));

location += glm::normalize(feature - location) * glm::length(this->velocity_list[i]);

if (glm::distance(glm::vec2(), this->log_list[i][this->log_list[i].size() - 1]) > 1300) {

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

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

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

continue;

}

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

this->velocity_list[i] *= 1.01;

}

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

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

this->mesh.addVertex(glm::vec3(this->log_list[i][k], 0));

this->mesh.addColor(this->color_list[i]);

if (k > 0) {

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

}

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

void ofApp::draw() {

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

this->mesh.drawWireframe();

ofFill();

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

ofSetColor(this->mesh.getColor(i));

}

int start = 150;

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/Insta20231120

2023年11月19日

Color donuts.

[ Video ]

[ About ]
色ドーナツ。

[ 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) {};
};

#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) {};

};

#include "ofApp.h"

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

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

	ofBackground(0);
	ofSetLineWidth(2);
	ofEnableBlendMode(ofBlendMode::OF_BLENDMODE_ADD);
}

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

	ofSeedRandom(39);
}

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

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

	ofColor color;
	for (int k = 0; k < 40; k++) {

		ofRotate(9);

		color.setHsb(ofMap(k, 0, 40, 0, 255), 200, 255);
		ofSetColor(color);

		vector<glm::vec2> vertices;
		for (int i = 0; i < 60; i++) {

			auto radius = k % 2 == 0 ? ofMap(sin((ofGetFrameNum() + i) * 0.314 * 0.7), -1, 1, 150, 300) : ofMap(sin((ofGetFrameNum() + i) * 0.314 * 0.7), -1, 1, 300, 150);
			auto deg = (ofGetFrameNum() + i) * 4;
			auto location = glm::vec2(radius * cos(deg * DEG_TO_RAD), radius * sin(deg * DEG_TO_RAD));

			vertices.push_back(location);
		}

		ofNoFill();
		ofBeginShape();
		ofVertices(vertices);
		ofEndShape();

		ofFill();
		ofDrawCircle(vertices[0], 3);
		ofDrawCircle(vertices[vertices.size() - 1], 3);
	}

	/*
	int start = 150;
	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);

ofSetLineWidth(2);

ofEnableBlendMode(ofBlendMode::OF_BLENDMODE_ADD);

}

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

void ofApp::update() {

ofSeedRandom(39);

}

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

void ofApp::draw() {

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

ofColor color;

for (int k = 0; k < 40; k++) {

ofRotate(9);

color.setHsb(ofMap(k, 0, 40, 0, 255), 200, 255);

ofSetColor(color);

vector<glm::vec2> vertices;

for (int i = 0; i < 60; i++) {

auto radius = k % 2 == 0 ? ofMap(sin((ofGetFrameNum() + i) * 0.314 * 0.7), -1, 1, 150, 300) : ofMap(sin((ofGetFrameNum() + i) * 0.314 * 0.7), -1, 1, 300, 150);

auto deg = (ofGetFrameNum() + i) * 4;

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

vertices.push_back(location);

}

ofNoFill();

ofBeginShape();

ofVertices(vertices);

ofEndShape();

ofFill();

ofDrawCircle(vertices[0], 3);

ofDrawCircle(vertices[vertices.size() - 1], 3);

}

int start = 150;

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/Insta20231119

2023年11月18日

Fuse.

[ Video ]

[ About ]
導火線。

[ 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<float> seed_list;
	vector<glm::vec2> velocity_list;
	vector<ofColor> color_list;

	glm::vec2 make_point(int len, int param);
};

#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<float> seed_list;

vector<glm::vec2> velocity_list;

vector<ofColor> color_list;

glm::vec2 make_point(int len, int param);

};

#include "ofApp.h"

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

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

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

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

	int base_radius = (ofGetFrameNum() * 2) % 420 + 60;

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

		if (glm::length(this->log_list[i].back()) > 720) {

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

			continue;
		}

		auto feature = this->velocity_list[i] * 80;
		auto deg = ofMap(ofNoise(this->seed_list[i], ofGetFrameNum() * 0.015), 0, 1, 0, 360);
		feature += glm::vec2(30 * cos(deg * DEG_TO_RAD), 30 * sin(deg * DEG_TO_RAD));
		auto next = this->log_list[i].back() + glm::normalize(feature) * 15;

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

		while (this->log_list[i].size() > 15) {

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

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

		int param = ofGetFrameNum();
		int next_param = param + 1;
		int len = ofRandom(345, 355);

		auto location = this->make_point(len, param);
		auto next = this->make_point(len, next_param);

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

		this->seed_list.push_back(ofMap(ofNoise(location * 0.001), 0, 1, 0, 1000));

		this->velocity_list.push_back(glm::normalize(location  - next));
		
		color.setHsb(ofRandom(0, 30), 200, 255);
		this->color_list.push_back(color);
	}
}

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

	ofTranslate(ofGetWindowSize() * 0.5);
	
	ofSetLineWidth(1.5);

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

		ofSetColor(this->color_list[i]);

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

	ofSetColor(128);
	ofSetLineWidth(0.5);
	ofDrawRectangle(-175, -175, 350, 350);

	/*
	int start = 150;
	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);
		}
	}
	*/
}

//--------------------------------------------------------------
glm::vec2 ofApp::make_point(int len, int param) {

	param = param % 100;
	if (param < 25) {

		return glm::vec2(ofMap(param, 0, 25, -len * 0.5, len * 0.5), -len * 0.5);
	}
	else if (param < 50) {

		return glm::vec2(len * 0.5, ofMap(param, 25, 50, -len * 0.5, len * 0.5));
	}
	else if (param < 75) {

		return glm::vec2(ofMap(param, 50, 75, len * 0.5, -len * 0.5), len * 0.5);
	}
	else {

		return glm::vec2(-len * 0.5, ofMap(param, 75, 100, len * 0.5, -len * 0.5));
	}
}


//--------------------------------------------------------------
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(0);

ofNoFill();

ofEnableBlendMode(ofBlendMode::OF_BLENDMODE_ADD);

}

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

void ofApp::update() {

int base_radius = (ofGetFrameNum() * 2) % 420 + 60;

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

if (glm::length(this->log_list[i].back()) > 720) {

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

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

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

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

continue;

}

auto feature = this->velocity_list[i] * 80;

auto deg = ofMap(ofNoise(this->seed_list[i], ofGetFrameNum() * 0.015), 0, 1, 0, 360);

feature += glm::vec2(30 * cos(deg * DEG_TO_RAD), 30 * sin(deg * DEG_TO_RAD));

auto next = this->log_list[i].back() + glm::normalize(feature) * 15;

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

while (this->log_list[i].size() > 15) {

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

}

ofColor color;

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

int param = ofGetFrameNum();

int next_param = param + 1;

int len = ofRandom(345, 355);

auto location = this->make_point(len, param);

auto next = this->make_point(len, next_param);

vector<glm::vec2> log;

log.push_back(location);

this->log_list.push_back(log);

this->seed_list.push_back(ofMap(ofNoise(location * 0.001), 0, 1, 0, 1000));

this->velocity_list.push_back(glm::normalize(location - next));

color.setHsb(ofRandom(0, 30), 200, 255);

this->color_list.push_back(color);

}

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

void ofApp::draw() {

ofTranslate(ofGetWindowSize() * 0.5);

ofSetLineWidth(1.5);

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

ofSetColor(this->color_list[i]);

ofBeginShape();

ofVertices(this->log_list[i]);

ofEndShape();

}

ofSetColor(128);

ofSetLineWidth(0.5);

ofDrawRectangle(-175, -175, 350, 350);

int start = 150;

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);

}

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

glm::vec2 ofApp::make_point(int len, int param) {

param = param % 100;

if (param < 25) {

return glm::vec2(ofMap(param, 0, 25, -len * 0.5, len * 0.5), -len * 0.5);

}

else if (param < 50) {

return glm::vec2(len * 0.5, ofMap(param, 25, 50, -len * 0.5, len * 0.5));

}

else if (param < 75) {

return glm::vec2(ofMap(param, 50, 75, len * 0.5, -len * 0.5), len * 0.5);

}

else {

return glm::vec2(-len * 0.5, ofMap(param, 75, 100, len * 0.5, -len * 0.5));

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20231118

2025年10月
月	火	水	木	金	土	日
		1	2	3	4	5
6	7	8	9	10	11	12
13	14	15	16	17	18	19
20	21	22	23	24	25	26
27	28	29	30	31