2025年7月 – ページ 4 – プログラミング de 落描き

2025年7月22日

Draw alternately.

[ Video ]

[ About ]
交互に描く。

[ 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) {};

	float noise_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 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) {};

float noise_param;

};

#include "ofApp.h"	

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

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

	ofBackground(39);
	ofSetColor(239);
	ofSetLineWidth(1.5);
	ofEnableBlendMode(ofBlendMode::OF_BLENDMODE_ADD);
}

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

	ofSeedRandom(39);

	if (ofGetFrameNum() % 50 < 20) {

		this->noise_param += ofMap(ofGetFrameNum() % 50, 0, 20, 0.08, 0.00025);
	}
	else {

		this->noise_param += 0.0005;
	}
}

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

	ofTranslate(ofGetWindowSize() * 0.5);

	float max_radius = 720;
	float deg_span = 180;

	for (int i = 0; i < 2; i++) {

		i == 0 ?  ofSetColor(255, 139, 39) : ofSetColor(39, 139, 239);

		auto noise_seed = ofRandom(1000);
		for (float radius = 100 + i * 5; radius < max_radius; radius += 10) {

			for (float deg_start = 0; deg_start < 360; deg_start += deg_span) {

				float deg_param = ofMap(ofNoise(noise_seed, radius * 0.002 - this->noise_param), 0, 1, -360, 360);

				ofNoFill();
				ofBeginShape();
				for (float deg = deg_start + deg_param; deg < deg_start + deg_param + deg_span * 0.25; deg += 1) {

					ofVertex(radius * cos(deg * DEG_TO_RAD), radius * sin(deg * DEG_TO_RAD));
				}
				ofEndShape(false);
			}
		}
	}

	/*
	int start = 225;
	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(239);

ofSetLineWidth(1.5);

ofEnableBlendMode(ofBlendMode::OF_BLENDMODE_ADD);

}

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

void ofApp::update() {

ofSeedRandom(39);

if (ofGetFrameNum() % 50 < 20) {

this->noise_param += ofMap(ofGetFrameNum() % 50, 0, 20, 0.08, 0.00025);

}

else {

this->noise_param += 0.0005;

}

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

void ofApp::draw() {

ofTranslate(ofGetWindowSize() * 0.5);

float max_radius = 720;

float deg_span = 180;

for (int i = 0; i < 2; i++) {

i == 0 ? ofSetColor(255, 139, 39) : ofSetColor(39, 139, 239);

auto noise_seed = ofRandom(1000);

for (float radius = 100 + i * 5; radius < max_radius; radius += 10) {

for (float deg_start = 0; deg_start < 360; deg_start += deg_span) {

float deg_param = ofMap(ofNoise(noise_seed, radius * 0.002 - this->noise_param), 0, 1, -360, 360);

ofNoFill();

ofBeginShape();

for (float deg = deg_start + deg_param; deg < deg_start + deg_param + deg_span * 0.25; deg += 1) {

ofVertex(radius * cos(deg * DEG_TO_RAD), radius * sin(deg * DEG_TO_RAD));

}

ofEndShape(false);

}

int start = 225;

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/Insta20250722

2025年7月21日

60 degrees.

[ Video ]

[ About ]
６０度.

[ 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) {};

	float noise_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 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) {};

float noise_param;

};

#include "ofApp.h"	

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

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

	ofBackground(239);
	ofSetColor(39);
	ofSetLineWidth(3);
}

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

	ofSeedRandom(39);

	if (ofGetFrameNum() % 50 < 20) {

		this->noise_param += ofMap(ofGetFrameNum() % 50, 0, 20, 0.1, 0.0005);
	}
	else {

		this->noise_param += 0.0005;
	}
}

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

	ofTranslate(ofGetWindowSize() * 0.5);

	float max_radius = 720;
	float deg_span = 120;

	for (float radius = 130; radius < max_radius; radius += 10) {

		for (float deg_start = 0; deg_start < 360; deg_start += deg_span) {

			float deg_param = ofMap(ofNoise(radius * 0.0035 - this->noise_param), 0, 1, -360, 360);

			ofNoFill();
			ofBeginShape();
			for (float deg = deg_start + deg_param; deg < deg_start + deg_param + deg_span * 0.5; deg += 1) {

				ofVertex(radius * cos(deg * DEG_TO_RAD), radius * sin(deg * DEG_TO_RAD));
			}
			ofEndShape(false);
		}
	}

	/*
	int start = 125;
	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);

ofSetColor(39);

ofSetLineWidth(3);

}

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

void ofApp::update() {

ofSeedRandom(39);

if (ofGetFrameNum() % 50 < 20) {

this->noise_param += ofMap(ofGetFrameNum() % 50, 0, 20, 0.1, 0.0005);

}

else {

this->noise_param += 0.0005;

}

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

void ofApp::draw() {

ofTranslate(ofGetWindowSize() * 0.5);

float max_radius = 720;

float deg_span = 120;

for (float radius = 130; radius < max_radius; radius += 10) {

for (float deg_start = 0; deg_start < 360; deg_start += deg_span) {

float deg_param = ofMap(ofNoise(radius * 0.0035 - this->noise_param), 0, 1, -360, 360);

ofNoFill();

ofBeginShape();

for (float deg = deg_start + deg_param; deg < deg_start + deg_param + deg_span * 0.5; deg += 1) {

ofVertex(radius * cos(deg * DEG_TO_RAD), radius * sin(deg * DEG_TO_RAD));

}

ofEndShape(false);

}

int start = 125;

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/Insta20250721

2025年7月20日

Meteor.

[ Video ]

[ About ]
流星。

[ 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;
};

#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;

};

#include "ofApp.h"	

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

	ofSetFrameRate(30);
	ofSetWindowTitle("openFrameworks");

	ofBackground(39);
	ofSetLineWidth(1);
	ofEnableDepthTest();

	ofSetCircleResolution(60);
}


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

	ofSeedRandom(39);
}

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

	this->cam.begin();
	ofRotateY(ofGetFrameNum() * 0.72);

	auto radius = 230;
	for (int i = 0; i < 40; i++) {

		ofRotateX(ofNoise(ofRandom(1000), i * 0.005 + ofGetFrameNum() * 0.005) * 5);
		auto radius = ofMap(ofNoise(ofRandom(1000), i * 0.005 + ofGetFrameNum() * 0.005), 0, 1, 50, 300);
		auto deg_start = ofGetFrameNum() * 5 + i * 15;

		for (int deg = deg_start; deg < deg_start + 60; deg++) {

			ofFill();
			ofSetColor(239, 239, 39, ofMap(deg, deg_start, deg_start + 60, 0, 255));

			auto target_1 = glm::vec3(radius * cos(deg * DEG_TO_RAD), 0, radius * sin(deg * DEG_TO_RAD));
			auto target_2 = glm::vec3(radius * cos((deg + 1) * DEG_TO_RAD), 0, radius * sin((deg + 1) * DEG_TO_RAD));
			ofDrawLine(target_1, target_2);
		}
	}

	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());
}

#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(30);

ofSetWindowTitle("openFrameworks");

ofBackground(39);

ofSetLineWidth(1);

ofEnableDepthTest();

ofSetCircleResolution(60);

}

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

void ofApp::update() {

ofSeedRandom(39);

}

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

void ofApp::draw() {

this->cam.begin();

ofRotateY(ofGetFrameNum() * 0.72);

auto radius = 230;

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

ofRotateX(ofNoise(ofRandom(1000), i * 0.005 + ofGetFrameNum() * 0.005) * 5);

auto radius = ofMap(ofNoise(ofRandom(1000), i * 0.005 + ofGetFrameNum() * 0.005), 0, 1, 50, 300);

auto deg_start = ofGetFrameNum() * 5 + i * 15;

for (int deg = deg_start; deg < deg_start + 60; deg++) {

ofFill();

ofSetColor(239, 239, 39, ofMap(deg, deg_start, deg_start + 60, 0, 255));

auto target_1 = glm::vec3(radius * cos(deg * DEG_TO_RAD), 0, radius * sin(deg * DEG_TO_RAD));

auto target_2 = glm::vec3(radius * cos((deg + 1) * DEG_TO_RAD), 0, radius * sin((deg + 1) * DEG_TO_RAD));

ofDrawLine(target_1, target_2);

}

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/Insta20250720

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