プログラミング de 落描き – ページ 115 – 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23日

Inscribed circle.

[ Video ]

[ About ]
内接する円。

[ 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) {};

	float seed_value;
};

#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) {};

float seed_value;

};

#include "ofApp.h"

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

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

	ofBackground(39);
	ofNoFill();
	ofSetCircleResolution(60);

	this->seed_value = ofRandom(1000);
}

//--------------------------------------------------------------
void ofApp::update() {
	
	ofSeedRandom(this->seed_value);
}

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

	int span = 120;
	for (int x = span * 1; x <= ofGetWindowWidth() - span * 1; x += span) {

		for (int y = span * 1; y <= ofGetWindowHeight() - span * 1; y += span) {

			auto center = glm::vec2(x, y);
			auto radius = span * 0.4;
			auto flag = ofRandom(100) < 50 ? true : false;

			for (int draw_radius = radius; draw_radius > 10;) {

				ofSetColor(239);
				ofDrawCircle(center, draw_radius * 0.99);

				flag = !flag;

				auto tmp_radius = draw_radius;
				draw_radius *= ofRandom(0.5, 0.8);

				auto deg = ofMap(ofNoise(ofRandom(1000), ofGetFrameNum() * 0.005), 0, 1, -720, 720);
				auto center_radius = tmp_radius - draw_radius;
				center = center + glm::vec2(center_radius * cos(deg * DEG_TO_RAD), center_radius * sin(deg * DEG_TO_RAD));
			}
		}
	}

	/*
	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(39);

ofNoFill();

ofSetCircleResolution(60);

this->seed_value = ofRandom(1000);

}

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

void ofApp::update() {

ofSeedRandom(this->seed_value);

}

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

void ofApp::draw() {

int span = 120;

for (int x = span * 1; x <= ofGetWindowWidth() - span * 1; x += span) {

for (int y = span * 1; y <= ofGetWindowHeight() - span * 1; y += span) {

auto center = glm::vec2(x, y);

auto radius = span * 0.4;

auto flag = ofRandom(100) < 50 ? true : false;

for (int draw_radius = radius; draw_radius > 10;) {

ofSetColor(239);

ofDrawCircle(center, draw_radius * 0.99);

flag = !flag;

auto tmp_radius = draw_radius;

draw_radius *= ofRandom(0.5, 0.8);

auto deg = ofMap(ofNoise(ofRandom(1000), ofGetFrameNum() * 0.005), 0, 1, -720, 720);

auto center_radius = tmp_radius - draw_radius;

center = center + glm::vec2(center_radius * cos(deg * DEG_TO_RAD), center_radius * sin(deg * DEG_TO_RAD));

}

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/Insta20241123

2024年11月22日

Circle on circle.

[ Video ]

[ About ]
円の上の円。

[ 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) {};

	float seed_value;
};

#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) {};

float seed_value;

};

#include "ofApp.h"

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

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

	ofBackground(239);
	ofSetCircleResolution(60);

	this->seed_value = ofRandom(1000);
}

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

	if (ofGetFrameNum() % 25 < 5) {
	
		this->seed_value = ofRandom(10000);
	}

	ofSeedRandom(this->seed_value);
}


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

	int span = 72;
	for (int x = span * 1.5; x < ofGetWindowWidth() - span * 0.5; x += span) {

		for (int y = span * 1.5; y < ofGetWindowHeight() - span * 0.5; y += span) {

			auto center = glm::vec2(x, y);
			auto radius = span * 0.4;
			auto flag = ofRandom(100) < 50 ? true : false;

			for (int draw_radius = radius; draw_radius > 0;) {

				flag ? ofSetColor(39, 39, 239) : ofSetColor(239);
				ofDrawCircle(center, draw_radius);

				flag = !flag;

				auto tmp_radius = draw_radius;
				draw_radius *= ofRandom(0.5, 0.9);
			}
		}
	}

	/*
	int start = 45;
	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);

ofSetCircleResolution(60);

this->seed_value = ofRandom(1000);

}

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

void ofApp::update() {

if (ofGetFrameNum() % 25 < 5) {

this->seed_value = ofRandom(10000);

}

ofSeedRandom(this->seed_value);

}

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

void ofApp::draw() {

int span = 72;

for (int x = span * 1.5; x < ofGetWindowWidth() - span * 0.5; x += span) {

for (int y = span * 1.5; y < ofGetWindowHeight() - span * 0.5; y += span) {

auto center = glm::vec2(x, y);

auto radius = span * 0.4;

auto flag = ofRandom(100) < 50 ? true : false;

for (int draw_radius = radius; draw_radius > 0;) {

flag ? ofSetColor(39, 39, 239) : ofSetColor(239);

ofDrawCircle(center, draw_radius);

flag = !flag;

auto tmp_radius = draw_radius;

draw_radius *= ofRandom(0.5, 0.9);

}

int start = 45;

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/Insta20241122

2024年11月21日

Color bands.

[ Video ]

[ About ]
カラーバンド。

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

	float noise_value;
};

#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<int> life_list;

vector<ofColor> color_list;

float noise_value;

};

#include "ofApp.h"

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

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

	ofBackground(39);
	ofSetLineWidth(3);
	ofEnableBlendMode(ofBlendMode::OF_BLENDMODE_ADD);
}

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

	ofSeedRandom(1000);
}

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

	ofTranslate(ofGetWindowSize() * 0.5);

	ofColor color;
	auto noise_p = ofRandom(1000);
	for (int hue = 0; hue < 255; hue += 32) {

		noise_p += 0.2;
		auto deg_start = ofMap(hue, 0, 255, 0, 360);

		color.setHsb(hue, 200, 255);
		
		ofSetColor(ofColor(color, 92));
		ofFill();
		
		ofBeginShape();
		for (int deg = deg_start; deg < deg_start + 360; deg += 1) {

			auto noise_location = glm::vec4(noise_p, cos(deg * DEG_TO_RAD) * 0.15, sin(deg * DEG_TO_RAD) * 0.15, ofGetFrameNum() * 0.015);
			auto radius = ofMap(ofNoise(noise_location), 0, 1, 50, 360);

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

		ofNextContour(true);

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

			auto noise_location = glm::vec4(noise_p, cos(deg * DEG_TO_RAD) * 0.15, sin(deg * DEG_TO_RAD) * 0.15, ofGetFrameNum() * 0.015);
			auto radius = ofMap(ofNoise(noise_location), 0, 1, 50, 360) - 15;

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

		ofEndShape(true);

		ofSetColor(ofColor(color));
		ofNoFill();

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

			auto noise_location = glm::vec4(noise_p, cos(deg * DEG_TO_RAD) * 0.15, sin(deg * DEG_TO_RAD) * 0.15, ofGetFrameNum() * 0.015);
			auto radius = ofMap(ofNoise(noise_location), 0, 1, 50, 360);

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

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

			auto noise_location = glm::vec4(noise_p, cos(deg * DEG_TO_RAD) * 0.15, sin(deg * DEG_TO_RAD) * 0.15, ofGetFrameNum() * 0.015);
			auto radius = ofMap(ofNoise(noise_location), 0, 1, 50, 360) - 15;

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


//--------------------------------------------------------------
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(3);

ofEnableBlendMode(ofBlendMode::OF_BLENDMODE_ADD);

}

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

void ofApp::update() {

ofSeedRandom(1000);

}

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

void ofApp::draw() {

ofTranslate(ofGetWindowSize() * 0.5);

ofColor color;

auto noise_p = ofRandom(1000);

for (int hue = 0; hue < 255; hue += 32) {

noise_p += 0.2;

auto deg_start = ofMap(hue, 0, 255, 0, 360);

color.setHsb(hue, 200, 255);

ofSetColor(ofColor(color, 92));

ofFill();

ofBeginShape();

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

auto noise_location = glm::vec4(noise_p, cos(deg * DEG_TO_RAD) * 0.15, sin(deg * DEG_TO_RAD) * 0.15, ofGetFrameNum() * 0.015);

auto radius = ofMap(ofNoise(noise_location), 0, 1, 50, 360);

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

ofVertex(location);

}

ofNextContour(true);

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

auto noise_location = glm::vec4(noise_p, cos(deg * DEG_TO_RAD) * 0.15, sin(deg * DEG_TO_RAD) * 0.15, ofGetFrameNum() * 0.015);

auto radius = ofMap(ofNoise(noise_location), 0, 1, 50, 360) - 15;

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

ofVertex(location);

}

ofEndShape(true);

ofSetColor(ofColor(color));

ofNoFill();

ofBeginShape();

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

auto noise_location = glm::vec4(noise_p, cos(deg * DEG_TO_RAD) * 0.15, sin(deg * DEG_TO_RAD) * 0.15, ofGetFrameNum() * 0.015);

auto radius = ofMap(ofNoise(noise_location), 0, 1, 50, 360);

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

ofVertex(location);

}

ofEndShape(true);

ofBeginShape();

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

auto noise_location = glm::vec4(noise_p, cos(deg * DEG_TO_RAD) * 0.15, sin(deg * DEG_TO_RAD) * 0.15, ofGetFrameNum() * 0.015);

auto radius = ofMap(ofNoise(noise_location), 0, 1, 50, 360) - 15;

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

ofVertex(location);

}

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);

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20241121

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