junkiyoshi – ページ 121 – プログラミング de 落描き

2024年11月20日2024年11月20日

Triangles.

[ Video ]

[ About ]
三角形ず。

[ 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(239);
	ofSetLineWidth(3);
	ofEnableBlendMode(ofBlendMode::OF_BLENDMODE_MULTIPLY);
}

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

	ofSeedRandom(1000);
}

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

	ofTranslate(ofGetWindowSize() * 0.5);

	ofColor color;
	for (int hue = 0; hue < 256; hue += 16) {

		auto noise_p = ofRandom(1000);
		auto deg_start = ofMap(hue, 0, 255, 0, 360);

		color.setHsb(hue, 200, 255);
		ofSetColor(color);
		
		hue % 32 == 0 ? ofFill() : ofNoFill();
		
		ofBeginShape();
		for (int deg = deg_start; deg < deg_start + 360; deg += 120) {

			auto noise_location = glm::vec4(noise_p, cos(deg * DEG_TO_RAD) * 0.5, sin(deg * DEG_TO_RAD) * 0.5, ofGetFrameNum() * 0.02);
			auto radius = ofMap(ofNoise(noise_location), 0, 1, -550, 550);

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

	/*
	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());
}

#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(25);

ofSetWindowTitle("openFrameworks");

ofBackground(239);

ofSetLineWidth(3);

ofEnableBlendMode(ofBlendMode::OF_BLENDMODE_MULTIPLY);

}

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

void ofApp::update() {

ofSeedRandom(1000);

}

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

void ofApp::draw() {

ofTranslate(ofGetWindowSize() * 0.5);

ofColor color;

for (int hue = 0; hue < 256; hue += 16) {

auto noise_p = ofRandom(1000);

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

color.setHsb(hue, 200, 255);

ofSetColor(color);

hue % 32 == 0 ? ofFill() : ofNoFill();

ofBeginShape();

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

auto noise_location = glm::vec4(noise_p, cos(deg * DEG_TO_RAD) * 0.5, sin(deg * DEG_TO_RAD) * 0.5, ofGetFrameNum() * 0.02);

auto radius = ofMap(ofNoise(noise_location), 0, 1, -550, 550);

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

ofVertex(location);

}

ofEndShape();

}

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/Insta20241120

2024年11月19日

Flow of section.

[ Video ]

[ About ]
区間移動。

[ 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);
	ofEnableBlendMode(ofBlendMode::OF_BLENDMODE_ADD);
}

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

	if (ofGetFrameNum() % 50 < 15) {

		this->noise_value += ofMap(ofGetFrameNum() % 50, 0, 15, 5, 0);
	}

	ofColor color;
	for (int i = 0; i < 300; i++) {

		this->location_list.push_back(glm::vec2(ofRandom(-320, 320), ofRandom(-320, 320)));
		this->life_list.push_back(0);
		color.setHsb(ofMap(this->location_list.back().x, -320, 320, 0, 255), 200, 255);
		this->color_list.push_back(color);
	}

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

		if (this->life_list[i] > 50 || (abs(this->location_list[i].x) > 420 || abs(this->location_list[i].y) > 420)) {

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

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

		auto noise_location = glm::vec2(((int)this->location_list[i].x / 60) * 60, ((int)this->location_list[i].y / 60) * 60);
		auto deg = ofMap(ofNoise(noise_location.x * 0.0025, noise_location.y * 0.0025, this->noise_value), 0, 1, -360, 360);
		auto next = this->location_list[i] + glm::vec2(5 * cos(deg * DEG_TO_RAD), 5 * sin(deg * DEG_TO_RAD));
		this->location_list[i] = next;
		this->life_list[i] += 1;
	}
}

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

	ofTranslate(ofGetWindowSize() * 0.5);

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

		auto alpha = this->life_list[i] > 30 ? ofMap(this->life_list[i], 30, 50, 255, 0) : 255;
		ofSetColor(this->color_list[i], alpha);
		auto size = this->life_list[i] < 10 ? ofMap(this->life_list[i], 0, 10, 0, 2) : 2;
		ofDrawCircle(this->location_list[i], size);
	}

	/*
	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());
}

#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(25);

ofSetWindowTitle("openFrameworks");

ofBackground(39);

ofEnableBlendMode(ofBlendMode::OF_BLENDMODE_ADD);

}

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

void ofApp::update() {

if (ofGetFrameNum() % 50 < 15) {

this->noise_value += ofMap(ofGetFrameNum() % 50, 0, 15, 5, 0);

}

ofColor color;

for (int i = 0; i < 300; i++) {

this->location_list.push_back(glm::vec2(ofRandom(-320, 320), ofRandom(-320, 320)));

this->life_list.push_back(0);

color.setHsb(ofMap(this->location_list.back().x, -320, 320, 0, 255), 200, 255);

this->color_list.push_back(color);

}

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

if (this->life_list[i] > 50 || (abs(this->location_list[i].x) > 420 || abs(this->location_list[i].y) > 420)) {

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

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

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

}

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

auto noise_location = glm::vec2(((int)this->location_list[i].x / 60) * 60, ((int)this->location_list[i].y / 60) * 60);

auto deg = ofMap(ofNoise(noise_location.x * 0.0025, noise_location.y * 0.0025, this->noise_value), 0, 1, -360, 360);

auto next = this->location_list[i] + glm::vec2(5 * cos(deg * DEG_TO_RAD), 5 * sin(deg * DEG_TO_RAD));

this->location_list[i] = next;

this->life_list[i] += 1;

}

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

void ofApp::draw() {

ofTranslate(ofGetWindowSize() * 0.5);

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

auto alpha = this->life_list[i] > 30 ? ofMap(this->life_list[i], 30, 50, 255, 0) : 255;

ofSetColor(this->color_list[i], alpha);

auto size = this->life_list[i] < 10 ? ofMap(this->life_list[i], 0, 10, 0, 2) : 2;

ofDrawCircle(this->location_list[i], size);

}

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/Insta20241119

2024年11月18日

Noise walk.

[ Video ]

[ About ]
ノイズ・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<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(239);
}

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

	if (ofGetFrameNum() % 50 < 10) {

		this->noise_value += ofMap(ofGetFrameNum() % 50, 0, 10, 5, 0);
	}

	ofColor color;
	for (int i = 0; i < 500; i++) {

		auto radius = ofRandom(250);
		auto deg = ofRandom(360);

		this->location_list.push_back(glm::vec2(radius * cos(deg * DEG_TO_RAD), radius * sin(deg * DEG_TO_RAD)));
		this->life_list.push_back(0);
		color.setHsb(ofMap(deg, 0, 360, 0, 255), 255, 255);
		this->color_list.push_back(color);
	}

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

		if (this->life_list[i] > 50 || (abs(this->location_list[i].x) > 420 || abs(this->location_list[i].y) > 420)) {

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

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

		auto deg = ofMap(ofNoise(this->location_list[i].x * 0.015, this->location_list[i].y * 0.015, this->noise_value), 0, 1, -360, 360);
		auto next = this->location_list[i] + glm::vec2(5 * cos(deg * DEG_TO_RAD), 5 * sin(deg * DEG_TO_RAD));
		this->location_list[i] = next;
		this->life_list[i] += 1;
	}
}

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

	ofTranslate(ofGetWindowSize() * 0.5);

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

		auto alpha = this->life_list[i] > 30 ? ofMap(this->life_list[i], 30, 50, 255, 0) : 255;
		ofSetColor(this->color_list[i], alpha);
		auto size = this->life_list[i] < 20 ? ofMap(this->life_list[i], 0, 20, 0, 4) : 4;
		ofDrawCircle(this->location_list[i], size);
	}

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

		auto alpha = this->life_list[i] > 30 ? ofMap(this->life_list[i], 30, 50, 255, 0) : 255;
		ofSetColor(0, alpha);
		auto size = this->life_list[i] < 20 ? ofMap(this->life_list[i], 0, 20, 0, 4) : 4;
		ofDrawCircle(this->location_list[i], size * 0.4);
	}

	/*
	int start = 60;
	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);

}

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

void ofApp::update() {

if (ofGetFrameNum() % 50 < 10) {

this->noise_value += ofMap(ofGetFrameNum() % 50, 0, 10, 5, 0);

}

ofColor color;

for (int i = 0; i < 500; i++) {

auto radius = ofRandom(250);

auto deg = ofRandom(360);

this->location_list.push_back(glm::vec2(radius * cos(deg * DEG_TO_RAD), radius * sin(deg * DEG_TO_RAD)));

this->life_list.push_back(0);

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

this->color_list.push_back(color);

}

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

if (this->life_list[i] > 50 || (abs(this->location_list[i].x) > 420 || abs(this->location_list[i].y) > 420)) {

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

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

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

}

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

auto deg = ofMap(ofNoise(this->location_list[i].x * 0.015, this->location_list[i].y * 0.015, this->noise_value), 0, 1, -360, 360);

auto next = this->location_list[i] + glm::vec2(5 * cos(deg * DEG_TO_RAD), 5 * sin(deg * DEG_TO_RAD));

this->location_list[i] = next;

this->life_list[i] += 1;

}

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

void ofApp::draw() {

ofTranslate(ofGetWindowSize() * 0.5);

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

auto alpha = this->life_list[i] > 30 ? ofMap(this->life_list[i], 30, 50, 255, 0) : 255;

ofSetColor(this->color_list[i], alpha);

auto size = this->life_list[i] < 20 ? ofMap(this->life_list[i], 0, 20, 0, 4) : 4;

ofDrawCircle(this->location_list[i], size);

}

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

auto alpha = this->life_list[i] > 30 ? ofMap(this->life_list[i], 30, 50, 255, 0) : 255;

ofSetColor(0, alpha);

auto size = this->life_list[i] < 20 ? ofMap(this->life_list[i], 0, 20, 0, 4) : 4;

ofDrawCircle(this->location_list[i], size * 0.4);

}

int start = 60;

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/Insta20241118

2025年11月
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