openFrameworks – ページ 10 – プログラミング de 落描き

2025年10月12日

Has an obi.

[ Video ]

[ About ]
帯がある

[ 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, line;

	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 windowResized(int w, int h) {};

void dragEvent(ofDragInfo dragInfo) {};

void gotMessage(ofMessage msg) {};

ofEasyCam cam;

ofMesh face, line;

float noise_param;

};

#include "ofApp.h"

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

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

	ofBackground(39);
	ofEnableDepthTest();

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

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

	this->noise_param += 0.05;

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

	float threshold_1 = 0.45;
	float threshold_2 = 0.55;
	float deg_span = 0.2;
	int z_span = 1;
	float noise_span = 0.02;
	float noise_span_z_scale = 0.5;
	float radius = 250;

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

		for (int z = -500; z <= 500; z += z_span) {

			auto noise_value = ofNoise(glm::vec4(radius * 100, radius * cos(deg * DEG_TO_RAD) * noise_span, radius * sin(deg * DEG_TO_RAD) * noise_span, z * noise_span * noise_span_z_scale + noise_param));
			noise_value = abs(z) % 250 > 150 ? 0.5 : noise_value;
			if (noise_value <= threshold_1 || noise_value >= threshold_2) { continue; }

			auto noise_1 = ofNoise(glm::vec4(radius * 100, radius * cos((deg - deg_span) * DEG_TO_RAD) * noise_span, radius * sin((deg - deg_span) * DEG_TO_RAD) * noise_span, z * noise_span * noise_span_z_scale + noise_param));
			auto noise_2 = ofNoise(glm::vec4(radius * 100, radius * cos(deg * DEG_TO_RAD) * noise_span, radius * sin(deg * DEG_TO_RAD) * noise_span, (z + z_span) * noise_span * noise_span_z_scale + noise_param));
			auto noise_3 = ofNoise(glm::vec4(radius * 100, radius * cos(deg * DEG_TO_RAD) * noise_span, radius * sin(deg * DEG_TO_RAD) * noise_span, (z - z_span) * noise_span * noise_span_z_scale + noise_param));
			auto noise_4 = ofNoise(glm::vec4(radius * 100, radius * cos((deg + deg_span) * DEG_TO_RAD) * noise_span, radius * sin((deg + deg_span) * DEG_TO_RAD) * noise_span, z * noise_span * noise_span_z_scale + noise_param));

			noise_1 = abs(z) % 250 > 150 ? 0.5 : noise_1;
			noise_2 = abs(z + z_span) % 250 > 150 ? 0.5 : noise_2;
			noise_3 = abs(z - z_span) % 250 > 150 ? 0.5 : noise_3;
			noise_4 = abs(z) % 250 > 150 ? 0.5 : noise_4;

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

			vertices.push_back(glm::vec3(radius * cos((deg - deg_span * 0.5) * DEG_TO_RAD), radius * sin((deg - deg_span * 0.5) * DEG_TO_RAD), z - z_span * 0.5));
			vertices.push_back(glm::vec3(radius * cos((deg + deg_span * 0.5) * DEG_TO_RAD), radius * sin((deg + deg_span * 0.5) * DEG_TO_RAD), z - z_span * 0.5));
			vertices.push_back(glm::vec3(radius * cos((deg - deg_span * 0.5) * DEG_TO_RAD), radius * sin((deg - deg_span * 0.5) * DEG_TO_RAD), z + z_span * 0.5));
			vertices.push_back(glm::vec3(radius * cos((deg + deg_span * 0.5) * DEG_TO_RAD), radius * sin((deg + deg_span * 0.5) * DEG_TO_RAD), z + z_span * 0.5));

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

			ofColor face_color(0);
			for (int i = 0; i < 4; i++) {

				this->face.addColor(face_color);
			}

			ofColor line_color(255);
			if (noise_1 <= threshold_1 || noise_1 >= threshold_2 || abs(z) == 500) {

				this->line.addVertex(vertices[0]);
				this->line.addVertex(vertices[2]);

				this->line.addIndex(this->line.getNumVertices() - 1);
				this->line.addIndex(this->line.getNumVertices() - 2);

				this->line.addColor(line_color);
				this->line.addColor(line_color);
			}

			if (noise_2 <= threshold_1 || noise_2 >= threshold_2 || abs(z) == 500) {

				this->line.addVertex(vertices[2]);
				this->line.addVertex(vertices[3]);

				this->line.addIndex(this->line.getNumVertices() - 1);
				this->line.addIndex(this->line.getNumVertices() - 2);

				this->line.addColor(line_color);
				this->line.addColor(line_color);
			}

			if (noise_3 <= threshold_1 || noise_3 >= threshold_2 || abs(z) == 500) {

				this->line.addVertex(vertices[0]);
				this->line.addVertex(vertices[1]);

				this->line.addIndex(this->line.getNumVertices() - 1);
				this->line.addIndex(this->line.getNumVertices() - 2);

				this->line.addColor(line_color);
				this->line.addColor(line_color);
			}

			if (noise_4 <= threshold_1 || noise_4 >= threshold_2 || abs(z) == 500) {

				this->line.addVertex(vertices[1]);
				this->line.addVertex(vertices[3]);

				this->line.addIndex(this->line.getNumVertices() - 1);
				this->line.addIndex(this->line.getNumVertices() - 2);

				this->line.addColor(line_color);
				this->line.addColor(line_color);
			}
		}
	}
}

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

	this->cam.begin();
	this->cam.setPosition(0, 0, 1200);
	ofRotateX(90);

	this->line.draw();
	this->face.draw();

	this->cam.end();

	/*
	// ffmpeg -i img_%04d.jpg aaa.mp4
	int start = 1;
	if (ofGetFrameNum() > start) {

		std::ostringstream os;
		os << std::setw(4) << std::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();

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

}

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

void ofApp::update() {

this->noise_param += 0.05;

this->face.clear();

this->line.clear();

float threshold_1 = 0.45;

float threshold_2 = 0.55;

float deg_span = 0.2;

int z_span = 1;

float noise_span = 0.02;

float noise_span_z_scale = 0.5;

float radius = 250;

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

for (int z = -500; z <= 500; z += z_span) {

auto noise_value = ofNoise(glm::vec4(radius * 100, radius * cos(deg * DEG_TO_RAD) * noise_span, radius * sin(deg * DEG_TO_RAD) * noise_span, z * noise_span * noise_span_z_scale + noise_param));

noise_value = abs(z) % 250 > 150 ? 0.5 : noise_value;

if (noise_value <= threshold_1 || noise_value >= threshold_2) { continue; }

auto noise_1 = ofNoise(glm::vec4(radius * 100, radius * cos((deg - deg_span) * DEG_TO_RAD) * noise_span, radius * sin((deg - deg_span) * DEG_TO_RAD) * noise_span, z * noise_span * noise_span_z_scale + noise_param));

auto noise_2 = ofNoise(glm::vec4(radius * 100, radius * cos(deg * DEG_TO_RAD) * noise_span, radius * sin(deg * DEG_TO_RAD) * noise_span, (z + z_span) * noise_span * noise_span_z_scale + noise_param));

auto noise_3 = ofNoise(glm::vec4(radius * 100, radius * cos(deg * DEG_TO_RAD) * noise_span, radius * sin(deg * DEG_TO_RAD) * noise_span, (z - z_span) * noise_span * noise_span_z_scale + noise_param));

auto noise_4 = ofNoise(glm::vec4(radius * 100, radius * cos((deg + deg_span) * DEG_TO_RAD) * noise_span, radius * sin((deg + deg_span) * DEG_TO_RAD) * noise_span, z * noise_span * noise_span_z_scale + noise_param));

noise_1 = abs(z) % 250 > 150 ? 0.5 : noise_1;

noise_2 = abs(z + z_span) % 250 > 150 ? 0.5 : noise_2;

noise_3 = abs(z - z_span) % 250 > 150 ? 0.5 : noise_3;

noise_4 = abs(z) % 250 > 150 ? 0.5 : noise_4;

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

vector<glm::vec3> vertices;

vertices.push_back(glm::vec3(radius * cos((deg - deg_span * 0.5) * DEG_TO_RAD), radius * sin((deg - deg_span * 0.5) * DEG_TO_RAD), z - z_span * 0.5));

vertices.push_back(glm::vec3(radius * cos((deg + deg_span * 0.5) * DEG_TO_RAD), radius * sin((deg + deg_span * 0.5) * DEG_TO_RAD), z - z_span * 0.5));

vertices.push_back(glm::vec3(radius * cos((deg - deg_span * 0.5) * DEG_TO_RAD), radius * sin((deg - deg_span * 0.5) * DEG_TO_RAD), z + z_span * 0.5));

vertices.push_back(glm::vec3(radius * cos((deg + deg_span * 0.5) * DEG_TO_RAD), radius * sin((deg + deg_span * 0.5) * DEG_TO_RAD), z + z_span * 0.5));

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

ofColor face_color(0);

for (int i = 0; i < 4; i++) {

this->face.addColor(face_color);

}

ofColor line_color(255);

if (noise_1 <= threshold_1 || noise_1 >= threshold_2 || abs(z) == 500) {

this->line.addVertex(vertices[0]);

this->line.addVertex(vertices[2]);

this->line.addIndex(this->line.getNumVertices() - 1);

this->line.addIndex(this->line.getNumVertices() - 2);

this->line.addColor(line_color);

}

if (noise_2 <= threshold_1 || noise_2 >= threshold_2 || abs(z) == 500) {

this->line.addVertex(vertices[2]);

this->line.addVertex(vertices[3]);

this->line.addIndex(this->line.getNumVertices() - 1);

this->line.addIndex(this->line.getNumVertices() - 2);

this->line.addColor(line_color);

}

if (noise_3 <= threshold_1 || noise_3 >= threshold_2 || abs(z) == 500) {

this->line.addVertex(vertices[0]);

this->line.addVertex(vertices[1]);

this->line.addIndex(this->line.getNumVertices() - 1);

this->line.addIndex(this->line.getNumVertices() - 2);

this->line.addColor(line_color);

}

if (noise_4 <= threshold_1 || noise_4 >= threshold_2 || abs(z) == 500) {

this->line.addVertex(vertices[1]);

this->line.addVertex(vertices[3]);

this->line.addIndex(this->line.getNumVertices() - 1);

this->line.addIndex(this->line.getNumVertices() - 2);

this->line.addColor(line_color);

}

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

void ofApp::draw() {

this->cam.begin();

this->cam.setPosition(0, 0, 1200);

ofRotateX(90);

this->line.draw();

this->face.draw();

this->cam.end();

// ffmpeg -i img_%04d.jpg aaa.mp4

int start = 1;

if (ofGetFrameNum() > start) {

std::ostringstream os;

os << std::setw(4) << std::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/DoodleDeProgramming/tree/1f5299cfd994f3d24910817551d79432cb36f7bd

2025年10月11日2025年10月11日

Has edges.

[ Video ]

[ About ]
ふちあり。

[ 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, line;

	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 windowResized(int w, int h) {};

void dragEvent(ofDragInfo dragInfo) {};

void gotMessage(ofMessage msg) {};

ofEasyCam cam;

ofMesh face, line;

float noise_param;

};

#include "ofApp.h"

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

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

	ofBackground(239);
	ofSetLineWidth(2);
	ofEnableDepthTest();

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

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

	this->noise_param += 0.01;

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

	float threshold_1 = 0.47;
	float threshold_2 = 0.53;
	float deg_span = 0.2;
	float z_span = 1;
	float noise_span = 0.0015;
	float noise_span_z_scale = 0.5;

	for (float radius = 160; radius <= 320; radius += 160) {

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

			for (float z = -500; z <= 500; z += z_span) {

				auto noise_value = ofNoise(glm::vec4(radius * 100, radius * cos(deg * DEG_TO_RAD) * noise_span, radius * sin(deg * DEG_TO_RAD) * noise_span, z * noise_span * noise_span_z_scale + noise_param));
				noise_value = abs(z) > 470 ? 0.5 : noise_value;
				if (noise_value <= threshold_1 || noise_value >= threshold_2) { continue; }

				auto noise_1 = ofNoise(glm::vec4(radius * 100, radius * cos((deg - deg_span) * DEG_TO_RAD) * noise_span, radius * sin((deg - deg_span) * DEG_TO_RAD) * noise_span, z * noise_span * noise_span_z_scale + noise_param));
				auto noise_2 = ofNoise(glm::vec4(radius * 100, radius * cos(deg * DEG_TO_RAD) * noise_span, radius * sin(deg * DEG_TO_RAD) * noise_span, (z + z_span) * noise_span * noise_span_z_scale + noise_param));
				auto noise_3 = ofNoise(glm::vec4(radius * 100, radius * cos(deg * DEG_TO_RAD) * noise_span, radius * sin(deg * DEG_TO_RAD) * noise_span, (z - z_span) * noise_span * noise_span_z_scale + noise_param));
				auto noise_4 = ofNoise(glm::vec4(radius * 100, radius * cos((deg + deg_span) * DEG_TO_RAD) * noise_span, radius * sin((deg + deg_span) * DEG_TO_RAD) * noise_span, z * noise_span * noise_span_z_scale + noise_param));

				noise_1 = abs(z) > 470 ? 0.5 : noise_1;
				noise_2 = abs(z + z_span) > 470 ? 0.5 : noise_2;
				noise_3 = abs(z - z_span) > 470 ? 0.5 : noise_3;
				noise_4 = abs(z) > 470 ? 0.5 : noise_4;

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

				vertices.push_back(glm::vec3(radius * cos((deg - deg_span * 0.5) * DEG_TO_RAD), radius * sin((deg - deg_span * 0.5) * DEG_TO_RAD), z - z_span * 0.5));
				vertices.push_back(glm::vec3(radius * cos((deg + deg_span * 0.5) * DEG_TO_RAD), radius * sin((deg + deg_span * 0.5) * DEG_TO_RAD), z - z_span * 0.5));
				vertices.push_back(glm::vec3(radius * cos((deg - deg_span * 0.5) * DEG_TO_RAD), radius * sin((deg - deg_span * 0.5) * DEG_TO_RAD), z + z_span * 0.5));
				vertices.push_back(glm::vec3(radius * cos((deg + deg_span * 0.5) * DEG_TO_RAD), radius * sin((deg + deg_span * 0.5) * DEG_TO_RAD), z + z_span * 0.5));

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

				ofColor face_color(255);
				for (int i = 0; i < 4; i++) {

					this->face.addColor(face_color);
				}

				ofColor line_color(0);
				if (noise_1 <= threshold_1 || noise_1 >= threshold_2 || abs(z) == 500) {

					this->line.addVertex(vertices[0]);
					this->line.addVertex(vertices[2]);

					this->line.addIndex(this->line.getNumVertices() - 1);
					this->line.addIndex(this->line.getNumVertices() - 2);

					this->line.addColor(line_color);
					this->line.addColor(line_color);
				}

				if (noise_2 <= threshold_1 || noise_2 >= threshold_2 || abs(z) == 500) {

					this->line.addVertex(vertices[2]);
					this->line.addVertex(vertices[3]);

					this->line.addIndex(this->line.getNumVertices() - 1);
					this->line.addIndex(this->line.getNumVertices() - 2);

					this->line.addColor(line_color);
					this->line.addColor(line_color);
				}

				if (noise_3 <= threshold_1 || noise_3 >= threshold_2 || abs(z) == 500) {

					this->line.addVertex(vertices[0]);
					this->line.addVertex(vertices[1]);

					this->line.addIndex(this->line.getNumVertices() - 1);
					this->line.addIndex(this->line.getNumVertices() - 2);

					this->line.addColor(line_color);
					this->line.addColor(line_color);
				}

				if (noise_4 <= threshold_1 || noise_4 >= threshold_2 || abs(z) == 500) {

					this->line.addVertex(vertices[1]);
					this->line.addVertex(vertices[3]);

					this->line.addIndex(this->line.getNumVertices() - 1);
					this->line.addIndex(this->line.getNumVertices() - 2);

					this->line.addColor(line_color);
					this->line.addColor(line_color);
				}
			}
		}
	}
}

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

	this->cam.begin();
	this->cam.setPosition(0, 0, 1200);
	ofRotateX(90);
	ofRotateZ(ofGetFrameNum() * 1.44);

	this->line.draw();
	this->face.draw();

	this->cam.end();

	/*
	int start = 25;
	if (ofGetFrameNum() > start) {

		std::ostringstream os;
		os << std::setw(4) << std::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);

ofSetLineWidth(2);

ofEnableDepthTest();

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

}

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

void ofApp::update() {

this->noise_param += 0.01;

this->face.clear();

this->line.clear();

float threshold_1 = 0.47;

float threshold_2 = 0.53;

float deg_span = 0.2;

float z_span = 1;

float noise_span = 0.0015;

float noise_span_z_scale = 0.5;

for (float radius = 160; radius <= 320; radius += 160) {

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

for (float z = -500; z <= 500; z += z_span) {

auto noise_value = ofNoise(glm::vec4(radius * 100, radius * cos(deg * DEG_TO_RAD) * noise_span, radius * sin(deg * DEG_TO_RAD) * noise_span, z * noise_span * noise_span_z_scale + noise_param));

noise_value = abs(z) > 470 ? 0.5 : noise_value;

if (noise_value <= threshold_1 || noise_value >= threshold_2) { continue; }

noise_1 = abs(z) > 470 ? 0.5 : noise_1;

noise_2 = abs(z + z_span) > 470 ? 0.5 : noise_2;

noise_3 = abs(z - z_span) > 470 ? 0.5 : noise_3;

noise_4 = abs(z) > 470 ? 0.5 : noise_4;

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

vector<glm::vec3> vertices;

vertices.push_back(glm::vec3(radius * cos((deg - deg_span * 0.5) * DEG_TO_RAD), radius * sin((deg - deg_span * 0.5) * DEG_TO_RAD), z - z_span * 0.5));

vertices.push_back(glm::vec3(radius * cos((deg + deg_span * 0.5) * DEG_TO_RAD), radius * sin((deg + deg_span * 0.5) * DEG_TO_RAD), z - z_span * 0.5));

vertices.push_back(glm::vec3(radius * cos((deg - deg_span * 0.5) * DEG_TO_RAD), radius * sin((deg - deg_span * 0.5) * DEG_TO_RAD), z + z_span * 0.5));

vertices.push_back(glm::vec3(radius * cos((deg + deg_span * 0.5) * DEG_TO_RAD), radius * sin((deg + deg_span * 0.5) * DEG_TO_RAD), z + z_span * 0.5));

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

ofColor face_color(255);

for (int i = 0; i < 4; i++) {

this->face.addColor(face_color);

}

ofColor line_color(0);

if (noise_1 <= threshold_1 || noise_1 >= threshold_2 || abs(z) == 500) {

this->line.addVertex(vertices[0]);

this->line.addVertex(vertices[2]);

this->line.addIndex(this->line.getNumVertices() - 1);

this->line.addIndex(this->line.getNumVertices() - 2);

this->line.addColor(line_color);

}

if (noise_2 <= threshold_1 || noise_2 >= threshold_2 || abs(z) == 500) {

this->line.addVertex(vertices[2]);

this->line.addVertex(vertices[3]);

this->line.addIndex(this->line.getNumVertices() - 1);

this->line.addIndex(this->line.getNumVertices() - 2);

this->line.addColor(line_color);

}

if (noise_3 <= threshold_1 || noise_3 >= threshold_2 || abs(z) == 500) {

this->line.addVertex(vertices[0]);

this->line.addVertex(vertices[1]);

this->line.addIndex(this->line.getNumVertices() - 1);

this->line.addIndex(this->line.getNumVertices() - 2);

this->line.addColor(line_color);

}

if (noise_4 <= threshold_1 || noise_4 >= threshold_2 || abs(z) == 500) {

this->line.addVertex(vertices[1]);

this->line.addVertex(vertices[3]);

this->line.addIndex(this->line.getNumVertices() - 1);

this->line.addIndex(this->line.getNumVertices() - 2);

this->line.addColor(line_color);

}

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

void ofApp::draw() {

this->cam.begin();

this->cam.setPosition(0, 0, 1200);

ofRotateX(90);

ofRotateZ(ofGetFrameNum() * 1.44);

this->line.draw();

this->face.draw();

this->cam.end();

int start = 25;

if (ofGetFrameNum() > start) {

std::ostringstream os;

os << std::setw(4) << std::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/DoodleDeProgramming/tree/7632b554cafb03c18b36cb338400205523f9850f

2025年10月10日

Net frame.

[ Video ]

[ About ]
網フレーム。

[ 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(39);
	ofSetLineWidth(1);
	ofEnableDepthTest();

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

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

	ofSeedRandom(39);

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

	float span = 0.5;
	float threshold_1 = 0.48;
	float threshold_2 = 0.52;
	float frame_param = ofGetFrameNum() * 0.01;
	float coordinate_param = 0.008;
	float len = 210;
	float angle;
	ofColor color;

	for (float z = -len; z <= len; z += 10) {

		color = ofColor(ofMap(z, -len, len, 139, 39));

		for (float x = -len; x <= len; x += span) {

			for (float y = -len; y <= len; y += span) {

				auto noise_location = glm::vec3(x, y, 0);
				auto noise_value = ofNoise(glm::vec4(noise_location * coordinate_param, z * 0.0015 + frame_param));
				noise_value = abs(x) > 200 || abs(y) > 200 ? 0.5 : noise_value;
				if (noise_value < threshold_1 || noise_value > threshold_2) { continue; }

				auto loc_1 = glm::vec3(x - span, y, 0);
				auto noise_1 = ofNoise(glm::vec4(loc_1 * coordinate_param, z * 0.0015 + frame_param));
				noise_1 = abs(x - span) > 200 || abs(y) > 200 ? 0.5 : noise_1;
				auto loc_2 = glm::vec3(x, y + span, 0);
				auto noise_2 = ofNoise(glm::vec4(loc_2 * coordinate_param, z * 0.0015 + frame_param));
				noise_2 = abs(x) > 200 || abs(y + span) > 200 ? 0.5 : noise_2;
				auto loc_3 = glm::vec3(x + span, y, 0);
				auto noise_3 = ofNoise(glm::vec4(loc_3 * coordinate_param, z * 0.0015 + frame_param));
				noise_3 = abs(x + span) > 200 || abs(y) > 200 ? 0.5 : noise_3;
				auto loc_4 = glm::vec3(x, y - span, 0);
				auto noise_4 = ofNoise(glm::vec4(loc_4 * coordinate_param, z * 0.0015 + frame_param));
				noise_4 = abs(x) > 200 || abs(y - span) > 200 ? 0.5 : noise_4;

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

				vertices.push_back(glm::vec4(x - span * 0.5, y - span * 0.5, z, 0));
				vertices.push_back(glm::vec4(x + span * 0.5, y - span * 0.5, z, 0));
				vertices.push_back(glm::vec4(x + span * 0.5, y + span * 0.5, z, 0));
				vertices.push_back(glm::vec4(x - span * 0.5, y + span * 0.5, z, 0));

				this->face.addVertices(vertices);

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

				this->face.addColor(color); this->face.addColor(color);
				this->face.addColor(color); this->face.addColor(color);

				if (noise_1 < threshold_1 || noise_1 > threshold_2 || x == -len) {

					this->frame.addVertex(vertices[0]);
					this->frame.addVertex(vertices[3]);

					this->frame.addIndex(this->frame.getNumVertices() - 1);
					this->frame.addIndex(this->frame.getNumVertices() - 2);
				}

				if (noise_2 < threshold_1 || noise_2 > threshold_2 || y == len) {

					this->frame.addVertex(vertices[2]);
					this->frame.addVertex(vertices[3]);

					this->frame.addIndex(this->frame.getNumVertices() - 1);
					this->frame.addIndex(this->frame.getNumVertices() - 2);
				}

				if (noise_3 < threshold_1 || noise_3 > threshold_2 || x == len) {

					this->frame.addVertex(vertices[1]);
					this->frame.addVertex(vertices[2]);

					this->frame.addIndex(this->frame.getNumVertices() - 1);
					this->frame.addIndex(this->frame.getNumVertices() - 2);
				}

				if (noise_4 < threshold_1 || noise_4 > threshold_2 || y == -len) {

					this->frame.addVertex(vertices[0]);
					this->frame.addVertex(vertices[1]);

					this->frame.addIndex(this->frame.getNumVertices() - 1);
					this->frame.addIndex(this->frame.getNumVertices() - 2);
				}
			}
		}
	}
}

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

	this->cam.begin();

	this->frame.draw();

	ofSetColor(255);
	this->face.draw();

	int start = 1;
	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);
		}
	}

	this->cam.end();
}

//--------------------------------------------------------------
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);

ofEnableDepthTest();

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

}

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

void ofApp::update() {

ofSeedRandom(39);

this->face.clear();

this->frame.clear();

float span = 0.5;

float threshold_1 = 0.48;

float threshold_2 = 0.52;

float frame_param = ofGetFrameNum() * 0.01;

float coordinate_param = 0.008;

float len = 210;

float angle;

ofColor color;

for (float z = -len; z <= len; z += 10) {

color = ofColor(ofMap(z, -len, len, 139, 39));

for (float x = -len; x <= len; x += span) {

for (float y = -len; y <= len; y += span) {

auto noise_location = glm::vec3(x, y, 0);

auto noise_value = ofNoise(glm::vec4(noise_location * coordinate_param, z * 0.0015 + frame_param));

noise_value = abs(x) > 200 || abs(y) > 200 ? 0.5 : noise_value;

if (noise_value < threshold_1 || noise_value > threshold_2) { continue; }

auto loc_1 = glm::vec3(x - span, y, 0);

auto noise_1 = ofNoise(glm::vec4(loc_1 * coordinate_param, z * 0.0015 + frame_param));

noise_1 = abs(x - span) > 200 || abs(y) > 200 ? 0.5 : noise_1;

auto loc_2 = glm::vec3(x, y + span, 0);

auto noise_2 = ofNoise(glm::vec4(loc_2 * coordinate_param, z * 0.0015 + frame_param));

noise_2 = abs(x) > 200 || abs(y + span) > 200 ? 0.5 : noise_2;

auto loc_3 = glm::vec3(x + span, y, 0);

auto noise_3 = ofNoise(glm::vec4(loc_3 * coordinate_param, z * 0.0015 + frame_param));

noise_3 = abs(x + span) > 200 || abs(y) > 200 ? 0.5 : noise_3;

auto loc_4 = glm::vec3(x, y - span, 0);

auto noise_4 = ofNoise(glm::vec4(loc_4 * coordinate_param, z * 0.0015 + frame_param));

noise_4 = abs(x) > 200 || abs(y - span) > 200 ? 0.5 : noise_4;

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

vector<glm::vec3> vertices;

vertices.push_back(glm::vec4(x - span * 0.5, y - span * 0.5, z, 0));

vertices.push_back(glm::vec4(x + span * 0.5, y - span * 0.5, z, 0));

vertices.push_back(glm::vec4(x + span * 0.5, y + span * 0.5, z, 0));

vertices.push_back(glm::vec4(x - span * 0.5, y + span * 0.5, z, 0));

this->face.addVertices(vertices);

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

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

this->face.addColor(color); this->face.addColor(color);

if (noise_1 < threshold_1 || noise_1 > threshold_2 || x == -len) {

this->frame.addVertex(vertices[0]);

this->frame.addVertex(vertices[3]);

this->frame.addIndex(this->frame.getNumVertices() - 1);

this->frame.addIndex(this->frame.getNumVertices() - 2);

}

if (noise_2 < threshold_1 || noise_2 > threshold_2 || y == len) {

this->frame.addVertex(vertices[2]);

this->frame.addVertex(vertices[3]);

this->frame.addIndex(this->frame.getNumVertices() - 1);

this->frame.addIndex(this->frame.getNumVertices() - 2);

}

if (noise_3 < threshold_1 || noise_3 > threshold_2 || x == len) {

this->frame.addVertex(vertices[1]);

this->frame.addVertex(vertices[2]);

this->frame.addIndex(this->frame.getNumVertices() - 1);

this->frame.addIndex(this->frame.getNumVertices() - 2);

}

if (noise_4 < threshold_1 || noise_4 > threshold_2 || y == -len) {

this->frame.addVertex(vertices[0]);

this->frame.addVertex(vertices[1]);

this->frame.addIndex(this->frame.getNumVertices() - 1);

this->frame.addIndex(this->frame.getNumVertices() - 2);

}

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

void ofApp::draw() {

this->cam.begin();

this->frame.draw();

ofSetColor(255);

this->face.draw();

int start = 1;

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);

}

this->cam.end();

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20251010

2025年11月
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