プログラミング de 落描き – ページ 39 – 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8月6日

Arrows chain.

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矢印チェイン。

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#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) {};

	void draw_arrow(glm::vec2 location, glm::vec2 target, float size, ofColor color);
};

#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) {};

void draw_arrow(glm::vec2 location, glm::vec2 target, float size, ofColor color);

};

#include "ofApp.h"

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

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

	ofBackground(39);
}

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

	ofSeedRandom(39);
}

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

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

	auto noise_seed = ofRandom(1000);
	int radius_span = 60;
	for (int radius = 0; radius <= 600; radius += radius_span) {

		vector<glm::vec2> vertices;
		for (int deg = 0; deg < 360; deg += 120) {

			auto noise_deg_1 = ofMap(ofNoise(noise_seed, radius * 0.001 - ofGetFrameNum() * 0.005), 0, 1, -270, 270);
			auto noise_deg_2 = ofMap(ofNoise(noise_seed, (radius + radius_span) * 0.001 - ofGetFrameNum() * 0.005), 0, 1, -270, 270);

			auto location_1 = glm::vec2(radius * cos((deg + noise_deg_1) * DEG_TO_RAD), radius * sin((deg + noise_deg_1) * DEG_TO_RAD));
			auto location_2 = glm::vec2((radius + radius_span) * cos((deg + noise_deg_2) * DEG_TO_RAD), (radius + radius_span) * sin((deg + noise_deg_2) * DEG_TO_RAD));

			this->draw_arrow(location_2, location_1, 18, ofColor(255));

			vertices.push_back(location_1);
		}

		/*
		ofNoFill();
		ofSetLineWidth(0.75);
		ofSetColor(139);

		ofBeginShape();
		ofVertices(vertices);
		ofEndShape(true);
		*/
	}

	/*
	int start = 275;
	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);
		}
	}
	*/
}

//--------------------------------------------------------------
void ofApp::draw_arrow(glm::vec2 location, glm::vec2 target, float size, ofColor color) {

	auto angle = std::atan2(target.y - location.y, target.x - location.x);
	auto translate_location = target - glm::vec2(size * 1.5 * cos(angle), size * 1.5 * sin(angle));
	auto distance = glm::distance(translate_location, location);

	ofPushMatrix();
	ofTranslate(translate_location);

	ofSetColor(color);
	ofFill();
	ofBeginShape();
	ofVertex(glm::vec2(size * cos(angle), size * sin(angle)));
	ofVertex(glm::vec2(size * 0.25 * cos(angle + PI * 0.5), size * 0.25 * sin(angle + PI * 0.5)));
	ofVertex(glm::vec2(size * 0.25 * cos(angle - PI * 0.5), size * 0.25 * sin(angle - PI * 0.5)));
	ofEndShape();

	ofBeginShape();
	ofVertex(glm::vec2(size * 0.25 * cos(angle + PI * 0.5), size * 0.25 * sin(angle + PI * 0.5)) * 0.25);
	ofVertex(glm::vec2(size * 0.25 * cos(angle + PI * 0.5), size * 0.25 * sin(angle + PI * 0.5)) * 0.25 - glm::vec2(distance * cos(angle), distance * sin(angle)));
	ofVertex(glm::vec2(size * 0.25 * cos(angle - PI * 0.5), size * 0.25 * sin(angle - PI * 0.5)) * 0.25 - glm::vec2(distance * cos(angle), distance * sin(angle)));
	ofVertex(glm::vec2(size * 0.25 * cos(angle - PI * 0.5), size * 0.25 * sin(angle - PI * 0.5)) * 0.25);

	ofEndShape();

	ofPopMatrix();

	ofDrawCircle(location, 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(39);

}

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

void ofApp::update() {

ofSeedRandom(39);

}

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

void ofApp::draw() {

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

auto noise_seed = ofRandom(1000);

int radius_span = 60;

for (int radius = 0; radius <= 600; radius += radius_span) {

vector<glm::vec2> vertices;

for (int deg = 0; deg < 360; deg += 120) {

auto noise_deg_1 = ofMap(ofNoise(noise_seed, radius * 0.001 - ofGetFrameNum() * 0.005), 0, 1, -270, 270);

auto noise_deg_2 = ofMap(ofNoise(noise_seed, (radius + radius_span) * 0.001 - ofGetFrameNum() * 0.005), 0, 1, -270, 270);

auto location_1 = glm::vec2(radius * cos((deg + noise_deg_1) * DEG_TO_RAD), radius * sin((deg + noise_deg_1) * DEG_TO_RAD));

auto location_2 = glm::vec2((radius + radius_span) * cos((deg + noise_deg_2) * DEG_TO_RAD), (radius + radius_span) * sin((deg + noise_deg_2) * DEG_TO_RAD));

this->draw_arrow(location_2, location_1, 18, ofColor(255));

vertices.push_back(location_1);

}

ofNoFill();

ofSetLineWidth(0.75);

ofSetColor(139);

ofBeginShape();

ofVertices(vertices);

ofEndShape(true);

}

int start = 275;

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);

}

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

void ofApp::draw_arrow(glm::vec2 location, glm::vec2 target, float size, ofColor color) {

auto angle = std::atan2(target.y - location.y, target.x - location.x);

auto translate_location = target - glm::vec2(size * 1.5 * cos(angle), size * 1.5 * sin(angle));

auto distance = glm::distance(translate_location, location);

ofPushMatrix();

ofTranslate(translate_location);

ofSetColor(color);

ofFill();

ofBeginShape();

ofVertex(glm::vec2(size * cos(angle), size * sin(angle)));

ofVertex(glm::vec2(size * 0.25 * cos(angle + PI * 0.5), size * 0.25 * sin(angle + PI * 0.5)));

ofVertex(glm::vec2(size * 0.25 * cos(angle - PI * 0.5), size * 0.25 * sin(angle - PI * 0.5)));

ofEndShape();

ofBeginShape();

ofVertex(glm::vec2(size * 0.25 * cos(angle + PI * 0.5), size * 0.25 * sin(angle + PI * 0.5)) * 0.25);

ofVertex(glm::vec2(size * 0.25 * cos(angle + PI * 0.5), size * 0.25 * sin(angle + PI * 0.5)) * 0.25 - glm::vec2(distance * cos(angle), distance * sin(angle)));

ofVertex(glm::vec2(size * 0.25 * cos(angle - PI * 0.5), size * 0.25 * sin(angle - PI * 0.5)) * 0.25 - glm::vec2(distance * cos(angle), distance * sin(angle)));

ofVertex(glm::vec2(size * 0.25 * cos(angle - PI * 0.5), size * 0.25 * sin(angle - PI * 0.5)) * 0.25);

ofEndShape();

ofPopMatrix();

ofDrawCircle(location, 5);

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20240806

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2024年8月5日

Connective hexagon.

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[ About ]
繋がる六角形。

[ 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 windowResized(int w, int h) {};
	void dragEvent(ofDragInfo dragInfo) {};
	void gotMessage(ofMessage msg) {};

	void draw_arrow(glm::vec2 location, glm::vec2 target, float size, ofColor color);
};

#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) {};

void draw_arrow(glm::vec2 location, glm::vec2 target, float size, ofColor color);

};

#include "ofApp.h"

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

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

	ofBackground(239);
}

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

	ofSeedRandom(39);
}

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

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

	ofSetLineWidth(2);

	vector<glm::vec2> vertices_1;
	vector<glm::vec2> vertices_2;

	auto noise_seed = ofRandom(1000);
	for (int deg = 0; deg < 360; deg += 60) {

		auto noise_deg = ofMap(ofNoise(noise_seed, ofGetFrameNum() * 0.01), 0, 1, -360, 360);

		auto location_1 = glm::vec2(300 * cos(deg * DEG_TO_RAD), 300 * sin(deg * DEG_TO_RAD));
		auto location_2 = glm::vec2(200 * cos((deg + noise_deg) * DEG_TO_RAD), 200 * sin((deg + noise_deg) * DEG_TO_RAD));

		this->draw_arrow(location_1, location_2, 30, ofColor(39));

		vertices_1.push_back(location_1);
		vertices_2.push_back(location_2);
	}

	ofNoFill();
	ofSetLineWidth(0.5);
	ofSetColor(139);

	ofBeginShape();
	ofVertices(vertices_1);
	ofEndShape(true);

	ofBeginShape();
	ofVertices(vertices_2);
	ofEndShape(true);

	/*
	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);
		}
	}
	*/
}

//--------------------------------------------------------------
void ofApp::draw_arrow(glm::vec2 location, glm::vec2 target, float size, ofColor color) {

	auto angle = std::atan2(target.y - location.y, target.x - location.x);
	auto translate_location = target - glm::vec2(size * cos(angle), size * sin(angle));
	auto distance = glm::distance(translate_location, location);

	ofPushMatrix();
	ofTranslate(translate_location);

	ofSetColor(color);
	ofFill();
	ofBeginShape();
	ofVertex(glm::vec2(size * cos(angle), size * sin(angle)));
	ofVertex(glm::vec2(size * 0.25 * cos(angle + PI * 0.5), size * 0.25 * sin(angle + PI * 0.5)));
	ofVertex(glm::vec2(size * 0.25 * cos(angle - PI * 0.5), size * 0.25 * sin(angle - PI * 0.5)));
	ofEndShape();

	ofBeginShape();
	ofVertex(glm::vec2(size * 0.25 * cos(angle + PI * 0.5), size * 0.25 * sin(angle + PI * 0.5)) * 0.25);
	ofVertex(glm::vec2(size * 0.25 * cos(angle + PI * 0.5), size * 0.25 * sin(angle + PI * 0.5)) * 0.25 - glm::vec2(distance * cos(angle), distance * sin(angle)));
	ofVertex(glm::vec2(size * 0.25 * cos(angle - PI * 0.5), size * 0.25 * sin(angle - PI * 0.5)) * 0.25 - glm::vec2(distance * cos(angle), distance * sin(angle)));
	ofVertex(glm::vec2(size * 0.25 * cos(angle - PI * 0.5), size * 0.25 * sin(angle - PI * 0.5)) * 0.25);

	ofEndShape();

	ofPopMatrix();

	ofDrawCircle(location, 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(239);

}

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

void ofApp::update() {

ofSeedRandom(39);

}

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

void ofApp::draw() {

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

ofSetLineWidth(2);

vector<glm::vec2> vertices_1;

vector<glm::vec2> vertices_2;

auto noise_seed = ofRandom(1000);

for (int deg = 0; deg < 360; deg += 60) {

auto noise_deg = ofMap(ofNoise(noise_seed, ofGetFrameNum() * 0.01), 0, 1, -360, 360);

auto location_1 = glm::vec2(300 * cos(deg * DEG_TO_RAD), 300 * sin(deg * DEG_TO_RAD));

auto location_2 = glm::vec2(200 * cos((deg + noise_deg) * DEG_TO_RAD), 200 * sin((deg + noise_deg) * DEG_TO_RAD));

this->draw_arrow(location_1, location_2, 30, ofColor(39));

vertices_1.push_back(location_1);

vertices_2.push_back(location_2);

}

ofNoFill();

ofSetLineWidth(0.5);

ofSetColor(139);

ofBeginShape();

ofVertices(vertices_1);

ofEndShape(true);

ofBeginShape();

ofVertices(vertices_2);

ofEndShape(true);

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);

}

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

void ofApp::draw_arrow(glm::vec2 location, glm::vec2 target, float size, ofColor color) {

auto angle = std::atan2(target.y - location.y, target.x - location.x);

auto translate_location = target - glm::vec2(size * cos(angle), size * sin(angle));

auto distance = glm::distance(translate_location, location);

ofPushMatrix();

ofTranslate(translate_location);

ofSetColor(color);

ofFill();

ofBeginShape();

ofVertex(glm::vec2(size * cos(angle), size * sin(angle)));

ofVertex(glm::vec2(size * 0.25 * cos(angle + PI * 0.5), size * 0.25 * sin(angle + PI * 0.5)));

ofVertex(glm::vec2(size * 0.25 * cos(angle - PI * 0.5), size * 0.25 * sin(angle - PI * 0.5)));

ofEndShape();

ofBeginShape();

ofVertex(glm::vec2(size * 0.25 * cos(angle + PI * 0.5), size * 0.25 * sin(angle + PI * 0.5)) * 0.25);

ofVertex(glm::vec2(size * 0.25 * cos(angle + PI * 0.5), size * 0.25 * sin(angle + PI * 0.5)) * 0.25 - glm::vec2(distance * cos(angle), distance * sin(angle)));

ofVertex(glm::vec2(size * 0.25 * cos(angle - PI * 0.5), size * 0.25 * sin(angle - PI * 0.5)) * 0.25 - glm::vec2(distance * cos(angle), distance * sin(angle)));

ofVertex(glm::vec2(size * 0.25 * cos(angle - PI * 0.5), size * 0.25 * sin(angle - PI * 0.5)) * 0.25);

ofEndShape();

ofPopMatrix();

ofDrawCircle(location, 5);

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20240805

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2024年8月4日

Ring.

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[ About ]
輪。

[ 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) {};

	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) {};

ofEasyCam cam;

};

#include "ofApp.h"

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

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

	ofBackground(39);
	ofSetColor(255);
	ofSetLineWidth(1);
}
//--------------------------------------------------------------
void ofApp::update() {

}

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

	this->cam.begin();
	ofRotateX(270);
	ofRotateZ(ofGetFrameNum() * -1.44);

	auto radius = 250;
	int deg_span = 3;

	auto target_deg = ofGetFrameNum() % 360;
	for (int deg = 0; deg < 360; deg += deg_span) {

		auto location = glm::vec3(radius * cos(deg * DEG_TO_RAD), radius * sin(deg * DEG_TO_RAD), 0);
		auto len = ofMap(ofNoise(glm::vec4(location * 0.008, ofGetFrameNum() * 0.01)), 0, 1, -150, 150);

		auto location_1 = glm::vec3(radius * cos(deg * DEG_TO_RAD), radius * sin(deg * DEG_TO_RAD), len - 50);
		auto location_2 = glm::vec3(radius * cos(deg * DEG_TO_RAD), radius * sin(deg * DEG_TO_RAD), len + 50);

		ofDrawLine(location_1, location_2);
		ofDrawBox(location_1, 4);
		ofDrawSphere(location_2, 3);
	}

	this->cam.end();

	/*
	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(39);

ofSetColor(255);

ofSetLineWidth(1);

}

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

void ofApp::update() {

}

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

void ofApp::draw() {

this->cam.begin();

ofRotateX(270);

ofRotateZ(ofGetFrameNum() * -1.44);

auto radius = 250;

int deg_span = 3;

auto target_deg = ofGetFrameNum() % 360;

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

auto location = glm::vec3(radius * cos(deg * DEG_TO_RAD), radius * sin(deg * DEG_TO_RAD), 0);

auto len = ofMap(ofNoise(glm::vec4(location * 0.008, ofGetFrameNum() * 0.01)), 0, 1, -150, 150);

auto location_1 = glm::vec3(radius * cos(deg * DEG_TO_RAD), radius * sin(deg * DEG_TO_RAD), len - 50);

auto location_2 = glm::vec3(radius * cos(deg * DEG_TO_RAD), radius * sin(deg * DEG_TO_RAD), len + 50);

ofDrawLine(location_1, location_2);

ofDrawBox(location_1, 4);

ofDrawSphere(location_2, 3);

}

this->cam.end();

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/Insta20240804

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