junkiyoshi – ページ 51 – プログラミング de 落描き

2024年12月1日2024年12月1日

Peek into.

[ Video ]

[ About ]
覗き込む。

[ 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(25);
	ofSetWindowTitle("openframeworks");

	ofBackground(39);

	ofEnableDepthTest();
	ofSetLineWidth(3);
}

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

}

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

	this->cam.begin();

	int width = 90;
	int height = 90;
	int len = 5;

	for (int x = -100; x <= 100; x += 100) {

		for (int y = -100; y <= 100; y += 100) {

			for (int z = 0; z <= 280; z += 15) {

				auto noise_param = ofNoise(x * 0.005, y * 0.005, z * 0.005 + ofGetFrameNum() * 0.05);

				if (noise_param < 0.25) { continue; }

				ofPushMatrix();
				ofTranslate(x, y, z);

				auto alpha = ofMap(z, 0, 280, 0, 255);

				ofFill();
				ofSetColor(ofColor(0, alpha));

				ofBeginShape();

				ofVertex(glm::vec2(width * -0.5, height * -0.5));
				ofVertex(glm::vec2(width * 0.5, height * -0.5));
				ofVertex(glm::vec2(width * 0.5, height * 0.5));
				ofVertex(glm::vec2(width * -0.5, height * 0.5));

				ofNextContour(true);

				ofVertex(glm::vec2(width * -0.5 + len, height * -0.5 + len));
				ofVertex(glm::vec2(width * 0.5 - len, height * -0.5 + len));
				ofVertex(glm::vec2(width * 0.5 - len, height * 0.5 - len));
				ofVertex(glm::vec2(width * -0.5 + len, height * 0.5 - len));

				ofEndShape(true);

				ofNoFill();
				ofSetColor(ofColor(255, alpha));

				ofBeginShape();

				ofVertex(glm::vec2(width * -0.5, height * -0.5));
				ofVertex(glm::vec2(width * 0.5, height * -0.5));
				ofVertex(glm::vec2(width * 0.5, height * 0.5));
				ofVertex(glm::vec2(width * -0.5, height * 0.5));

				ofNextContour(true);

				ofVertex(glm::vec2(width * -0.5 + len, height * -0.5 + len));
				ofVertex(glm::vec2(width * 0.5 - len, height * -0.5 + len));
				ofVertex(glm::vec2(width * 0.5 - len, height * 0.5 - len));
				ofVertex(glm::vec2(width * -0.5 + len, height * 0.5 - len));

				ofEndShape(true);

				ofPopMatrix();
			}
		}
	}

	this->cam.end();

	/*
	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());
}

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#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(25);

ofSetWindowTitle("openframeworks");

ofBackground(39);

ofEnableDepthTest();

ofSetLineWidth(3);

}

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

void ofApp::update() {

}

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

void ofApp::draw() {

this->cam.begin();

int width = 90;

int height = 90;

int len = 5;

for (int x = -100; x <= 100; x += 100) {

for (int y = -100; y <= 100; y += 100) {

for (int z = 0; z <= 280; z += 15) {

auto noise_param = ofNoise(x * 0.005, y * 0.005, z * 0.005 + ofGetFrameNum() * 0.05);

if (noise_param < 0.25) { continue; }

ofPushMatrix();

ofTranslate(x, y, z);

auto alpha = ofMap(z, 0, 280, 0, 255);

ofFill();

ofSetColor(ofColor(0, alpha));

ofBeginShape();

ofVertex(glm::vec2(width * -0.5, height * -0.5));

ofVertex(glm::vec2(width * 0.5, height * -0.5));

ofVertex(glm::vec2(width * 0.5, height * 0.5));

ofVertex(glm::vec2(width * -0.5, height * 0.5));

ofNextContour(true);

ofVertex(glm::vec2(width * -0.5 + len, height * -0.5 + len));

ofVertex(glm::vec2(width * 0.5 - len, height * -0.5 + len));

ofVertex(glm::vec2(width * 0.5 - len, height * 0.5 - len));

ofVertex(glm::vec2(width * -0.5 + len, height * 0.5 - len));

ofEndShape(true);

ofNoFill();

ofSetColor(ofColor(255, alpha));

ofBeginShape();

ofVertex(glm::vec2(width * -0.5, height * -0.5));

ofVertex(glm::vec2(width * 0.5, height * -0.5));

ofVertex(glm::vec2(width * 0.5, height * 0.5));

ofVertex(glm::vec2(width * -0.5, height * 0.5));

ofNextContour(true);

ofVertex(glm::vec2(width * -0.5 + len, height * -0.5 + len));

ofVertex(glm::vec2(width * 0.5 - len, height * -0.5 + len));

ofVertex(glm::vec2(width * 0.5 - len, height * 0.5 - len));

ofVertex(glm::vec2(width * -0.5 + len, height * 0.5 - len));

ofEndShape(true);

ofPopMatrix();

}

this->cam.end();

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/Insta20241201

2024年11月30日

Move in tandem.

[ Video ]

[ About ]
連動した動き。

[ 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(25);
	ofSetWindowTitle("openframeworks");

	ofBackground(239);

	ofEnableDepthTest();
	ofSetLineWidth(3);
}

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

}

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

	this->cam.begin();
	ofRotateY(180);
	ofRotateX(ofGetFrameNum() * 1.44);

	int width = 200;
	int height = 200;
	int len = 5;
	for (int z = -280; z <= 280; z += 20) {

		ofPushMatrix();
		ofTranslate(0, 0, z);
		ofRotate(ofMap(ofNoise((z + 300) * 0.003 + ofGetFrameNum() * 0.01), 0, 1, -360, 360));

		ofFill();
		ofSetColor(255);

		ofBeginShape();

		ofVertex(glm::vec2(width * -0.5, height * -0.5));
		ofVertex(glm::vec2(width * 0.5, height * -0.5));
		ofVertex(glm::vec2(width * 0.5, height * 0.5));
		ofVertex(glm::vec2(width * -0.5, height * 0.5));

		ofNextContour(true);

		ofVertex(glm::vec2(width * -0.5 + len, height * -0.5 + len));
		ofVertex(glm::vec2(width * 0.5 - len, height * -0.5 + len));
		ofVertex(glm::vec2(width * 0.5 - len, height * 0.5 - len));
		ofVertex(glm::vec2(width * -0.5 + len, height * 0.5 - len));

		ofEndShape(true);

		ofNoFill();
		ofSetColor(0);

		ofBeginShape();

		ofVertex(glm::vec2(width * -0.5, height * -0.5));
		ofVertex(glm::vec2(width * 0.5, height * -0.5));
		ofVertex(glm::vec2(width * 0.5, height * 0.5));
		ofVertex(glm::vec2(width * -0.5, height * 0.5));

		ofNextContour(true);

		ofVertex(glm::vec2(width * -0.5 + len, height * -0.5 + len));
		ofVertex(glm::vec2(width * 0.5 - len, height * -0.5 + len));
		ofVertex(glm::vec2(width * 0.5 - len, height * 0.5 - len));
		ofVertex(glm::vec2(width * -0.5 + len, height * 0.5 - len));

		ofEndShape(true);

		ofPopMatrix();
	}

	this->cam.end();

	/*
	int start = 240;
	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);

ofEnableDepthTest();

ofSetLineWidth(3);

}

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

void ofApp::update() {

}

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

void ofApp::draw() {

this->cam.begin();

ofRotateY(180);

ofRotateX(ofGetFrameNum() * 1.44);

int width = 200;

int height = 200;

int len = 5;

for (int z = -280; z <= 280; z += 20) {

ofPushMatrix();

ofTranslate(0, 0, z);

ofRotate(ofMap(ofNoise((z + 300) * 0.003 + ofGetFrameNum() * 0.01), 0, 1, -360, 360));

ofFill();

ofSetColor(255);

ofBeginShape();

ofVertex(glm::vec2(width * -0.5, height * -0.5));

ofVertex(glm::vec2(width * 0.5, height * -0.5));

ofVertex(glm::vec2(width * 0.5, height * 0.5));

ofVertex(glm::vec2(width * -0.5, height * 0.5));

ofNextContour(true);

ofVertex(glm::vec2(width * -0.5 + len, height * -0.5 + len));

ofVertex(glm::vec2(width * 0.5 - len, height * -0.5 + len));

ofVertex(glm::vec2(width * 0.5 - len, height * 0.5 - len));

ofVertex(glm::vec2(width * -0.5 + len, height * 0.5 - len));

ofEndShape(true);

ofNoFill();

ofSetColor(0);

ofBeginShape();

ofVertex(glm::vec2(width * -0.5, height * -0.5));

ofVertex(glm::vec2(width * 0.5, height * -0.5));

ofVertex(glm::vec2(width * 0.5, height * 0.5));

ofVertex(glm::vec2(width * -0.5, height * 0.5));

ofNextContour(true);

ofVertex(glm::vec2(width * -0.5 + len, height * -0.5 + len));

ofVertex(glm::vec2(width * 0.5 - len, height * -0.5 + len));

ofVertex(glm::vec2(width * 0.5 - len, height * 0.5 - len));

ofVertex(glm::vec2(width * -0.5 + len, height * 0.5 - len));

ofEndShape(true);

ofPopMatrix();

}

this->cam.end();

int start = 240;

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/Insta20241130

2024年11月29日

Hexagon with gaps.

[ Video ]

[ About ]
すき間のある六角形。

[ 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 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);
	ofSetLineWidth(1.5);
	ofEnableBlendMode(ofBlendMode::OF_BLENDMODE_ADD);

	this->noise_param = ofRandom(1000);
}

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

	ofSeedRandom(39);

	if (ofGetFrameNum() % 50 < 30) {

		this->noise_param += ofMap(ofGetFrameNum() % 50, 0, 30, 0.1, 0);
	}
}

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

	auto radius = 30;
	auto x_span = radius * sqrt(3);
	auto flg = true;
	ofColor color;

	for (float y = 0; y <= 720 + radius; y += radius * 1.5) {

		for (float x = 0; x <= 720 + radius; x += x_span) {

			glm::vec3 location;
			if (flg) {

				location = glm::vec3(x, y, 0);
			}
			else {

				location = glm::vec3(x + (x_span / 2), y, 0);
			}

			ofPushMatrix();
			ofTranslate(location);
			ofRotate(90);

			int hue = ofMap(x, 0, 720, 120, 230);
			for (int draw_radius = radius - 5; draw_radius > 0; draw_radius -= 200) {

				auto x_seed = ofRandom(1000);
				auto y_seed = ofRandom(1000);

				auto deg_start = ofMap(ofNoise(location.x * 0.05, location.y * 0.05, this->noise_param, x_seed), 0, 1, 0, 360);
				auto deg_len = ofMap(ofNoise(location.x * 0.05, location.y * 0.05, this->noise_param), 0, 1, -100, 720);
				auto deg_end = deg_start + deg_len;

				if (deg_len < 0) { continue; }

				vector<glm::vec2> vertices;
				for (int deg = deg_start; deg <= deg_end && deg <= deg_start + 360; deg += 1) {

					int param = deg % 60;

					glm::vec2 location;
					if (param == 0) {

						location = glm::vec2(draw_radius * cos(deg * DEG_TO_RAD), draw_radius * sin(deg * DEG_TO_RAD));
					}
					else {

						int p1 = deg / 60;
						int p2 = p1 + 1;

						auto p1_deg = p1 * 60;
						auto p2_deg = p2 * 60;

						auto source = glm::vec2(draw_radius * cos(p1_deg * DEG_TO_RAD), draw_radius * sin(p1_deg * DEG_TO_RAD));
						auto target = glm::vec2(draw_radius * cos(p2_deg * DEG_TO_RAD), draw_radius * sin(p2_deg * DEG_TO_RAD));

						location = source + ((target - source) / 60 * param);
					}

					vertices.push_back(location);
				}

				hue = (hue + 32) % 255;
				color.setHsb(hue, 255, 255);

				ofFill();
				ofSetColor(ofColor(color, 92));

				ofBeginShape();
				ofVertices(vertices);
				ofEndShape(true);

				ofNoFill();
				ofSetColor(color);

				ofBeginShape();
				ofVertices(vertices);
				ofEndShape(true);
			}
			
			ofPopMatrix();
		}
		flg = !flg;
	}

	/*
	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());
}

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#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(25);

ofSetWindowTitle("openframeworks");

ofBackground(39);

ofSetLineWidth(1.5);

ofEnableBlendMode(ofBlendMode::OF_BLENDMODE_ADD);

this->noise_param = ofRandom(1000);

}

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

void ofApp::update() {

ofSeedRandom(39);

if (ofGetFrameNum() % 50 < 30) {

this->noise_param += ofMap(ofGetFrameNum() % 50, 0, 30, 0.1, 0);

}

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

void ofApp::draw() {

auto radius = 30;

auto x_span = radius * sqrt(3);

auto flg = true;

ofColor color;

for (float y = 0; y <= 720 + radius; y += radius * 1.5) {

for (float x = 0; x <= 720 + radius; x += x_span) {

glm::vec3 location;

if (flg) {

location = glm::vec3(x, y, 0);

}

else {

location = glm::vec3(x + (x_span / 2), y, 0);

}

ofPushMatrix();

ofTranslate(location);

ofRotate(90);

int hue = ofMap(x, 0, 720, 120, 230);

for (int draw_radius = radius - 5; draw_radius > 0; draw_radius -= 200) {

auto x_seed = ofRandom(1000);

auto y_seed = ofRandom(1000);

auto deg_start = ofMap(ofNoise(location.x * 0.05, location.y * 0.05, this->noise_param, x_seed), 0, 1, 0, 360);

auto deg_len = ofMap(ofNoise(location.x * 0.05, location.y * 0.05, this->noise_param), 0, 1, -100, 720);

auto deg_end = deg_start + deg_len;

if (deg_len < 0) { continue; }

vector<glm::vec2> vertices;

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

int param = deg % 60;

glm::vec2 location;

if (param == 0) {

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

}

else {

int p1 = deg / 60;

int p2 = p1 + 1;

auto p1_deg = p1 * 60;

auto p2_deg = p2 * 60;

auto source = glm::vec2(draw_radius * cos(p1_deg * DEG_TO_RAD), draw_radius * sin(p1_deg * DEG_TO_RAD));

auto target = glm::vec2(draw_radius * cos(p2_deg * DEG_TO_RAD), draw_radius * sin(p2_deg * DEG_TO_RAD));

location = source + ((target - source) / 60 * param);

}

vertices.push_back(location);

}

hue = (hue + 32) % 255;

color.setHsb(hue, 255, 255);

ofFill();

ofSetColor(ofColor(color, 92));

ofBeginShape();

ofVertices(vertices);

ofEndShape(true);

ofNoFill();

ofSetColor(color);

ofBeginShape();

ofVertices(vertices);

ofEndShape(true);

}

ofPopMatrix();

}

flg = !flg;

}

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/Insta20241129

2025年4月
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