プログラミング de 落描き – ページ 16 – クリエイティブ・コーディングによる生成物とソース

2025年5月18日

Soft sarface.

[ Video ]

[ About ]
やわらかい表面。

[ 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;
	ofMesh face, frame;
};

#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;

ofMesh face, frame;

};

#include "ofApp.h"

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

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

	ofBackground(239);
	ofEnableDepthTest();

	this->frame.setMode(ofPrimitiveMode::OF_PRIMITIVE_LINES);
}

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

	ofSeedRandom(39);

	this->face.clear();
	this->frame.clear();

	int radius = 250;
	float phi_deg_step = 3;
	float theta_deg_step = 3;

	for (float phi_deg = 0; phi_deg < 360; phi_deg += phi_deg_step) {

		for (float theta_deg = 20; theta_deg < 90; theta_deg += theta_deg_step) {

			auto index = this->face.getNumVertices();
			vector<glm::vec3> vertices;

			vertices.push_back(glm::vec3(
				radius * sin((theta_deg - theta_deg_step * 0.5) * DEG_TO_RAD) * cos((phi_deg + phi_deg_step * 0.5) * DEG_TO_RAD),
				radius * sin((theta_deg - theta_deg_step * 0.5) * DEG_TO_RAD) * sin((phi_deg + phi_deg_step * 0.5) * DEG_TO_RAD),
				radius * cos((theta_deg - theta_deg_step * 0.5) * DEG_TO_RAD)));
			vertices.push_back(glm::vec3(
				radius * sin((theta_deg - theta_deg_step * 0.5) * DEG_TO_RAD) * cos((phi_deg - phi_deg_step * 0.5) * DEG_TO_RAD),
				radius * sin((theta_deg - theta_deg_step * 0.5) * DEG_TO_RAD) * sin((phi_deg - phi_deg_step * 0.5) * DEG_TO_RAD),
				radius * cos((theta_deg - theta_deg_step * 0.5) * DEG_TO_RAD)));
			vertices.push_back(glm::vec3(
				radius * sin((theta_deg + theta_deg_step * 0.5) * DEG_TO_RAD) * cos((phi_deg + phi_deg_step * 0.5) * DEG_TO_RAD),
				radius * sin((theta_deg + theta_deg_step * 0.5) * DEG_TO_RAD) * sin((phi_deg + phi_deg_step * 0.5) * DEG_TO_RAD),
				radius * cos((theta_deg + theta_deg_step * 0.5) * DEG_TO_RAD)));
			vertices.push_back(glm::vec3(
				radius * sin((theta_deg + theta_deg_step * 0.5) * DEG_TO_RAD) * cos((phi_deg - phi_deg_step * 0.5) * DEG_TO_RAD),
				radius * sin((theta_deg + theta_deg_step * 0.5) * DEG_TO_RAD) * sin((phi_deg - phi_deg_step * 0.5) * DEG_TO_RAD),
				radius * cos((theta_deg + theta_deg_step * 0.5) * DEG_TO_RAD)));

			for (auto& vertex : vertices) {

				if (vertex.z > 0) {

					vertex.z = 0;
					auto len = glm::length(vertex);
					auto noise_value = ofNoise(vertex.x * 0.0035, vertex.y * 0.0035, ofGetFrameNum() * 0.015 - len * 0.0035);
					if (noise_value > 0.25) {

						vertex.z = ofMap(noise_value, 0.25, 1, 0, -500) * ofMap(len, 0, radius, 1, 0);
					}
				}
			}

			this->face.addVertices(vertices);
			this->frame.addVertices(vertices);

			this->face.addIndex(index + 0); this->face.addIndex(index + 1); this->face.addIndex(index + 3);
			this->face.addIndex(index + 0); this->face.addIndex(index + 3); this->face.addIndex(index + 2);

			this->frame.addIndex(index + 0); this->frame.addIndex(index + 1);
			this->frame.addIndex(index + 0); this->frame.addIndex(index + 2);
			this->frame.addIndex(index + 3); this->frame.addIndex(index + 1);
			this->frame.addIndex(index + 3); this->frame.addIndex(index + 2);

			for (int i = index; i < this->face.getNumVertices(); i++) {

				this->face.addColor(ofColor(0));
				this->frame.addColor(ofColor(200));
			}
		}
	}
}

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

	this->cam.begin();
	ofTranslate(0, -45, 0);
	ofRotateX(125);
	ofRotateZ(ofGetFrameNum() * 1.44);

	this->face.draw();

	ofTranslate(0, 0, -1.5);

	this->frame.draw();

	this->cam.end();

	/*
	int start = 200;
	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();

this->frame.setMode(ofPrimitiveMode::OF_PRIMITIVE_LINES);

}

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

void ofApp::update() {

ofSeedRandom(39);

this->face.clear();

this->frame.clear();

int radius = 250;

float phi_deg_step = 3;

float theta_deg_step = 3;

for (float phi_deg = 0; phi_deg < 360; phi_deg += phi_deg_step) {

for (float theta_deg = 20; theta_deg < 90; theta_deg += theta_deg_step) {

auto index = this->face.getNumVertices();

vector<glm::vec3> vertices;

vertices.push_back(glm::vec3(

radius * sin((theta_deg - theta_deg_step * 0.5) * DEG_TO_RAD) * cos((phi_deg + phi_deg_step * 0.5) * DEG_TO_RAD),

radius * sin((theta_deg - theta_deg_step * 0.5) * DEG_TO_RAD) * sin((phi_deg + phi_deg_step * 0.5) * DEG_TO_RAD),

radius * cos((theta_deg - theta_deg_step * 0.5) * DEG_TO_RAD)));

vertices.push_back(glm::vec3(

radius * sin((theta_deg - theta_deg_step * 0.5) * DEG_TO_RAD) * cos((phi_deg - phi_deg_step * 0.5) * DEG_TO_RAD),

radius * sin((theta_deg - theta_deg_step * 0.5) * DEG_TO_RAD) * sin((phi_deg - phi_deg_step * 0.5) * DEG_TO_RAD),

radius * cos((theta_deg - theta_deg_step * 0.5) * DEG_TO_RAD)));

vertices.push_back(glm::vec3(

radius * sin((theta_deg + theta_deg_step * 0.5) * DEG_TO_RAD) * cos((phi_deg + phi_deg_step * 0.5) * DEG_TO_RAD),

radius * sin((theta_deg + theta_deg_step * 0.5) * DEG_TO_RAD) * sin((phi_deg + phi_deg_step * 0.5) * DEG_TO_RAD),

radius * cos((theta_deg + theta_deg_step * 0.5) * DEG_TO_RAD)));

vertices.push_back(glm::vec3(

radius * sin((theta_deg + theta_deg_step * 0.5) * DEG_TO_RAD) * cos((phi_deg - phi_deg_step * 0.5) * DEG_TO_RAD),

radius * sin((theta_deg + theta_deg_step * 0.5) * DEG_TO_RAD) * sin((phi_deg - phi_deg_step * 0.5) * DEG_TO_RAD),

radius * cos((theta_deg + theta_deg_step * 0.5) * DEG_TO_RAD)));

for (auto& vertex : vertices) {

if (vertex.z > 0) {

vertex.z = 0;

auto len = glm::length(vertex);

auto noise_value = ofNoise(vertex.x * 0.0035, vertex.y * 0.0035, ofGetFrameNum() * 0.015 - len * 0.0035);

if (noise_value > 0.25) {

vertex.z = ofMap(noise_value, 0.25, 1, 0, -500) * ofMap(len, 0, radius, 1, 0);

}

this->face.addVertices(vertices);

this->frame.addVertices(vertices);

this->face.addIndex(index + 0); this->face.addIndex(index + 1); this->face.addIndex(index + 3);

this->face.addIndex(index + 0); this->face.addIndex(index + 3); this->face.addIndex(index + 2);

this->frame.addIndex(index + 0); this->frame.addIndex(index + 1);

this->frame.addIndex(index + 0); this->frame.addIndex(index + 2);

this->frame.addIndex(index + 3); this->frame.addIndex(index + 1);

this->frame.addIndex(index + 3); this->frame.addIndex(index + 2);

for (int i = index; i < this->face.getNumVertices(); i++) {

this->face.addColor(ofColor(0));

this->frame.addColor(ofColor(200));

}

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

void ofApp::draw() {

this->cam.begin();

ofTranslate(0, -45, 0);

ofRotateX(125);

ofRotateZ(ofGetFrameNum() * 1.44);

this->face.draw();

ofTranslate(0, 0, -1.5);

this->frame.draw();

this->cam.end();

int start = 200;

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/Insta20250518

2025年5月17日

Generate electronic substrate.

[ Video ]

[ About ]
電子基板を生成。

[ 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 noise_step;
};

#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 noise_step;

};

#include "ofApp.h"	

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

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

	ofBackground(39);
	ofSetColor(255);
	ofSetLineWidth(2);

	this->noise_step = ofRandom(1000);
}

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

	ofSeedRandom(39);

	if (ofGetFrameNum() % 50 < 25) {

		this->noise_step += 0.05;
	}
}

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

	ofTranslate(ofGetWindowSize() * 0.5);

	int size = 20;

	ofFill();
	for (int x = size * -16; x < size * 16; x += size) {

		for (int y = size * -16; y < size * 16; y += size) {

			ofPushMatrix();
			ofTranslate(x, y);

			int param = ofMap(ofNoise(this->noise_step, x * 0.01, y * 0.01), 0, 1, 0, 4);
			auto flag_1 = (x == size * -16) || (y == size * -16);
			auto flag_2 = (x == size * 15) || (y == size * -16);
			auto flag_3 = (x == size * -16) || (y == size * 15);
			auto flag_4 = (x == size * 15) || (y == size * 15);

			switch (param) {
			case 0:

				ofDrawLine(0, size, size, 0);
				
				if (flag_3 == false && param != (int)ofMap(ofNoise(this->noise_step, (x - size) * 0.01, (y + size) * 0.01), 0, 1, 0, 4)) { ofDrawCircle(0, size, 3); }
				if (flag_2 == false && param != (int)ofMap(ofNoise(this->noise_step, (x + size) * 0.01, (y - size) * 0.01), 0, 1, 0, 4)) { ofDrawCircle(size, 0, 3); }
				break;
			case 1:

				ofDrawLine(0, 0, size, size);
				if (flag_1 == false && param != (int)ofMap(ofNoise(this->noise_step, (x - size) * 0.01, (y - size) * 0.01), 0, 1, 0, 4)) { ofDrawCircle(0, 0, 3); }
				if (flag_4 == false &&param != (int)ofMap(ofNoise(this->noise_step, (x + size) * 0.01, (y + size) * 0.01), 0, 1, 0, 4)) { ofDrawCircle(size, size, 3); }
				break;
			case 2:

				ofDrawLine(0, 0, size, 0);

				if (flag_1 == false && param != (int)ofMap(ofNoise(this->noise_step, (x - size) * 0.01, y * 0.01), 0, 1, 0, 4)) { ofDrawCircle(0, 0, 3); }
				if (flag_2 == false && param != (int)ofMap(ofNoise(this->noise_step, (x + size) * 0.01, y * 0.01), 0, 1, 0, 4)) { ofDrawCircle(size, 0, 3); }
				break;
			case 3:

				ofDrawLine(size, 0, size, size);
				if (flag_2 == false && param != (int)ofMap(ofNoise(this->noise_step, x * 0.01, (y - size) * 0.01), 0, 1, 0, 4)) { ofDrawCircle(size, 0, 3); }
				if (flag_4 == false && param != (int)ofMap(ofNoise(this->noise_step, x * 0.01, (y + size) * 0.01), 0, 1, 0, 4)) { ofDrawCircle(size, size, 3); }
				break;
			default:
				break;
			}

			ofPopMatrix();
		}
	}

	ofNoFill();
	ofDrawRectangle(size * -16, size * -16, size * 32, size * 32);

	/*
	int start = 200;
	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);

ofSetColor(255);

ofSetLineWidth(2);

this->noise_step = ofRandom(1000);

}

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

void ofApp::update() {

ofSeedRandom(39);

if (ofGetFrameNum() % 50 < 25) {

this->noise_step += 0.05;

}

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

void ofApp::draw() {

ofTranslate(ofGetWindowSize() * 0.5);

int size = 20;

ofFill();

for (int x = size * -16; x < size * 16; x += size) {

for (int y = size * -16; y < size * 16; y += size) {

ofPushMatrix();

ofTranslate(x, y);

int param = ofMap(ofNoise(this->noise_step, x * 0.01, y * 0.01), 0, 1, 0, 4);

auto flag_1 = (x == size * -16) || (y == size * -16);

auto flag_2 = (x == size * 15) || (y == size * -16);

auto flag_3 = (x == size * -16) || (y == size * 15);

auto flag_4 = (x == size * 15) || (y == size * 15);

switch (param) {

case 0:

ofDrawLine(0, size, size, 0);

if (flag_3 == false && param != (int)ofMap(ofNoise(this->noise_step, (x - size) * 0.01, (y + size) * 0.01), 0, 1, 0, 4)) { ofDrawCircle(0, size, 3); }

if (flag_2 == false && param != (int)ofMap(ofNoise(this->noise_step, (x + size) * 0.01, (y - size) * 0.01), 0, 1, 0, 4)) { ofDrawCircle(size, 0, 3); }

break;

case 1:

ofDrawLine(0, 0, size, size);

if (flag_1 == false && param != (int)ofMap(ofNoise(this->noise_step, (x - size) * 0.01, (y - size) * 0.01), 0, 1, 0, 4)) { ofDrawCircle(0, 0, 3); }

if (flag_4 == false &&param != (int)ofMap(ofNoise(this->noise_step, (x + size) * 0.01, (y + size) * 0.01), 0, 1, 0, 4)) { ofDrawCircle(size, size, 3); }

break;

case 2:

ofDrawLine(0, 0, size, 0);

if (flag_1 == false && param != (int)ofMap(ofNoise(this->noise_step, (x - size) * 0.01, y * 0.01), 0, 1, 0, 4)) { ofDrawCircle(0, 0, 3); }

if (flag_2 == false && param != (int)ofMap(ofNoise(this->noise_step, (x + size) * 0.01, y * 0.01), 0, 1, 0, 4)) { ofDrawCircle(size, 0, 3); }

break;

case 3:

ofDrawLine(size, 0, size, size);

if (flag_2 == false && param != (int)ofMap(ofNoise(this->noise_step, x * 0.01, (y - size) * 0.01), 0, 1, 0, 4)) { ofDrawCircle(size, 0, 3); }

if (flag_4 == false && param != (int)ofMap(ofNoise(this->noise_step, x * 0.01, (y + size) * 0.01), 0, 1, 0, 4)) { ofDrawCircle(size, size, 3); }

break;

default:

break;

}

ofPopMatrix();

}

ofNoFill();

ofDrawRectangle(size * -16, size * -16, size * 32, size * 32);

int start = 200;

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/Insta20250517

2025年5月16日

Build maze.

[ Video ]

[ About ]
迷路構築。

[ 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 noise_step_x, noise_step_y, noise_step_z;
};

#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 noise_step_x, noise_step_y, noise_step_z;

};

#include "ofApp.h"	

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

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

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

	this->noise_step_x = ofRandom(1000);
	this->noise_step_y = ofRandom(1000);
	this->noise_step_z = ofRandom(1000);
}

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

	ofSeedRandom(39);

	if (ofGetFrameNum() % 25 < 20) {

		if (ofGetFrameNum() % 100 < 25) {

			this->noise_step_x += ofMap(ofGetFrameNum() % 25, 0, 20, 0.35, 0);
		}
		else if (ofGetFrameNum() % 100 < 50) {

			if (ofGetFrameNum() % 25 < 13) { this->noise_step_z += 0.1; }
		}
		else if (ofGetFrameNum() % 100 < 75) {

			this->noise_step_y += ofMap(ofGetFrameNum() % 25, 0, 20, 0.35, 0);
		}
		else {

			if (ofGetFrameNum() % 25 < 13) { this->noise_step_z += 0.1; }
		}
	}
}

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

	ofTranslate(ofGetWindowSize() * 0.5);

	int size = 20;

	for (int x = size * -15; x <= size * 15; x += size) {

		for (int y = size * -15; y <= size * 15; y += size) {

			ofPushMatrix();
			ofTranslate(x, y);

			int param = ofMap(ofNoise(this->noise_step_z, x * 0.008 + this->noise_step_x, y * 0.008 + this->noise_step_y), 0, 1, 0, 4);

			switch (param) {
			case 0:

				ofDrawLine(0, 0, 0, size * -1);
				break;
			case 1:

				ofDrawLine(0, 0, size * 1, 0);
				break;
			case 2:

				ofDrawLine(0, 0, 0, size * 1);
				break;
			case 3:

				ofDrawLine(0, 0, -size * 1, 0);
				break;
			}

			ofPopMatrix();
		}
	}

	ofDrawRectangle(size * -16, size * -16, size * 32, size * 32);

	/*
	int start = 200;
	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);

ofSetColor(39);

ofNoFill();

ofSetLineWidth(3);

this->noise_step_x = ofRandom(1000);

this->noise_step_y = ofRandom(1000);

this->noise_step_z = ofRandom(1000);

}

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

void ofApp::update() {

ofSeedRandom(39);

if (ofGetFrameNum() % 25 < 20) {

if (ofGetFrameNum() % 100 < 25) {

this->noise_step_x += ofMap(ofGetFrameNum() % 25, 0, 20, 0.35, 0);

}

else if (ofGetFrameNum() % 100 < 50) {

if (ofGetFrameNum() % 25 < 13) { this->noise_step_z += 0.1; }

}

else if (ofGetFrameNum() % 100 < 75) {

this->noise_step_y += ofMap(ofGetFrameNum() % 25, 0, 20, 0.35, 0);

}

else {

if (ofGetFrameNum() % 25 < 13) { this->noise_step_z += 0.1; }

}

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

void ofApp::draw() {

ofTranslate(ofGetWindowSize() * 0.5);

int size = 20;

for (int x = size * -15; x <= size * 15; x += size) {

for (int y = size * -15; y <= size * 15; y += size) {

ofPushMatrix();

ofTranslate(x, y);

int param = ofMap(ofNoise(this->noise_step_z, x * 0.008 + this->noise_step_x, y * 0.008 + this->noise_step_y), 0, 1, 0, 4);

switch (param) {

case 0:

ofDrawLine(0, 0, 0, size * -1);

break;

case 1:

ofDrawLine(0, 0, size * 1, 0);

break;

case 2:

ofDrawLine(0, 0, 0, size * 1);

break;

case 3:

ofDrawLine(0, 0, -size * 1, 0);

break;

}

ofPopMatrix();

}

ofDrawRectangle(size * -16, size * -16, size * 32, size * 32);

int start = 200;

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/Insta20250516

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