2024年8月 – ページ 2 – プログラミング de 落描き

2024年8月28日2024年8月28日

Bar graph.

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棒グラフ。

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#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;
};

#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;

};

#include "ofApp.h"

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

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

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

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

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

	ofSeedRandom(39);

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

	int size = 30;
	int z = 300;

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

		for (int len = 300; len > 100; len -= 25) {

			z = ofMap(len, 0, 300, 0, 300);
			size = ofMap(len, 0, 300, len / 5, len / 10);
			for (int x = -len + size * 0.5; x <= len - size * 0.5; x += size) {

				vector<glm::vec3> vertices;
				vertices.push_back(glm::vec3(x - size * 0.5, 0, z));
				vertices.push_back(glm::vec3(x - size * 0.5, 0, z));
				vertices.push_back(glm::vec3(x + size * 0.5, 0, z));
				vertices.push_back(glm::vec3(x + size * 0.5, 0, z));

				glm::highp_mat4 rotation;
				rotation = glm::rotate(glm::mat4(), ofMap(i, 0, 4, 0, 360) * (float)DEG_TO_RAD, glm::vec3(0, 1, 0));

				for (auto& vertex : vertices) {

					vertex = glm::vec4(vertex, 0) * rotation;
				}

				int height = ofMap(ofNoise(glm::vec4(vertices[0] * 0.01, ofGetFrameNum() * 0.05)), 0, 1, 0, 100 + 1000);
				vertices[1].y = height;
				vertices[2].y = height;

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

				this->face.addIndex(this->face.getNumVertices() - 1); this->face.addIndex(this->face.getNumVertices() - 2); this->face.addIndex(this->face.getNumVertices() - 3);
				this->face.addIndex(this->face.getNumVertices() - 1); this->face.addIndex(this->face.getNumVertices() - 3); this->face.addIndex(this->face.getNumVertices() - 4);

				this->line.addIndex(this->line.getNumVertices() - 1); this->line.addIndex(this->line.getNumVertices() - 2);
				this->line.addIndex(this->line.getNumVertices() - 2); this->line.addIndex(this->line.getNumVertices() - 3);
				this->line.addIndex(this->line.getNumVertices() - 3); this->line.addIndex(this->line.getNumVertices() - 4);
				this->line.addIndex(this->line.getNumVertices() - 4); this->line.addIndex(this->line.getNumVertices() - 1);

				for (int i = 0; i < vertices.size(); i++) {

					this->face.addColor(ofColor(64, 164, 255, 64));
					this->line.addColor(ofColor(64, 164, 255));
				}
			}
		}
	}
}

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

	this->cam.begin();
	ofRotateX(90);

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

	this->cam.end();

	/*
	int start = 150;
	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(39);

ofSetLineWidth(2);

ofEnableDepthTest();

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

}

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

void ofApp::update() {

ofSeedRandom(39);

this->face.clear();

this->line.clear();

int size = 30;

int z = 300;

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

for (int len = 300; len > 100; len -= 25) {

z = ofMap(len, 0, 300, 0, 300);

size = ofMap(len, 0, 300, len / 5, len / 10);

for (int x = -len + size * 0.5; x <= len - size * 0.5; x += size) {

vector<glm::vec3> vertices;

vertices.push_back(glm::vec3(x - size * 0.5, 0, z));

vertices.push_back(glm::vec3(x + size * 0.5, 0, z));

glm::highp_mat4 rotation;

rotation = glm::rotate(glm::mat4(), ofMap(i, 0, 4, 0, 360) * (float)DEG_TO_RAD, glm::vec3(0, 1, 0));

for (auto& vertex : vertices) {

vertex = glm::vec4(vertex, 0) * rotation;

}

int height = ofMap(ofNoise(glm::vec4(vertices[0] * 0.01, ofGetFrameNum() * 0.05)), 0, 1, 0, 100 + 1000);

vertices[1].y = height;

vertices[2].y = height;

this->face.addVertices(vertices);

this->line.addVertices(vertices);

this->face.addIndex(this->face.getNumVertices() - 1); this->face.addIndex(this->face.getNumVertices() - 2); this->face.addIndex(this->face.getNumVertices() - 3);

this->face.addIndex(this->face.getNumVertices() - 1); this->face.addIndex(this->face.getNumVertices() - 3); this->face.addIndex(this->face.getNumVertices() - 4);

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

this->line.addIndex(this->line.getNumVertices() - 2); this->line.addIndex(this->line.getNumVertices() - 3);

this->line.addIndex(this->line.getNumVertices() - 3); this->line.addIndex(this->line.getNumVertices() - 4);

this->line.addIndex(this->line.getNumVertices() - 4); this->line.addIndex(this->line.getNumVertices() - 1);

for (int i = 0; i < vertices.size(); i++) {

this->face.addColor(ofColor(64, 164, 255, 64));

this->line.addColor(ofColor(64, 164, 255));

}

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

void ofApp::draw() {

this->cam.begin();

ofRotateX(90);

this->face.draw();

this->line.drawWireframe();

this->cam.end();

int start = 150;

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/Insta20240828

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Amazon

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2024年8月27日

Waving.

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[ About ]
波なみ。

[ 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;
};

#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;

};

#include "ofApp.h"

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

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

	ofBackground(239);
	ofSetColor(39);
	ofSetLineWidth(2);
	ofEnableDepthTest();

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

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

	ofSeedRandom(39);

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

	int size = 30;
	int z = 300;

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

		for (int len = 300; len > 100; len -= 25) {

			z = ofMap(len, 0, 300, 0, 300);
			size = ofMap(len, 0, 300, len / 5, len / 10);
			for (int x = -len + size * 0.5; x <= len - size * 0.5; x += size) {

				vector<glm::vec3> vertices;
				vertices.push_back(glm::vec3(x - size * 0.5, 0, z));
				vertices.push_back(glm::vec3(x - size * 0.5, 0, z));
				vertices.push_back(glm::vec3(x + size * 0.5, 0, z));
				vertices.push_back(glm::vec3(x + size * 0.5, 0, z));

				glm::highp_mat4 rotation;
				rotation = glm::rotate(glm::mat4(), ofMap(i, 0, 4, 0, 360) * (float)DEG_TO_RAD, glm::vec3(0, 1, 0));

				for (auto& vertex : vertices) {

					vertex = glm::vec4(vertex, 0) * rotation;
				}

				int height = ofMap(ofNoise(glm::vec4(vertices[0] * 0.005, ofGetFrameNum() * 0.05)), 0, 1, 0, 100 + 300);
				vertices[1].y = height;
				vertices[2].y = height;

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

				this->face.addIndex(this->face.getNumVertices() - 1); this->face.addIndex(this->face.getNumVertices() - 2); this->face.addIndex(this->face.getNumVertices() - 3);
				this->face.addIndex(this->face.getNumVertices() - 1); this->face.addIndex(this->face.getNumVertices() - 3); this->face.addIndex(this->face.getNumVertices() - 4);

				this->line.addIndex(this->line.getNumVertices() - 1); this->line.addIndex(this->line.getNumVertices() - 2);
				this->line.addIndex(this->line.getNumVertices() - 2); this->line.addIndex(this->line.getNumVertices() - 3);
				this->line.addIndex(this->line.getNumVertices() - 3); this->line.addIndex(this->line.getNumVertices() - 4);
				this->line.addIndex(this->line.getNumVertices() - 4); this->line.addIndex(this->line.getNumVertices() - 1);

				ofColor face_color = z % 50 == 0 ? ofColor(239) : ofColor(39);
				ofColor line_color = z % 50 == 0 ? ofColor(39) : ofColor(239);

				for (int i = 0; i < vertices.size(); i++) {

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

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

	this->cam.begin();
	ofTranslate(0, -200, 0);
	ofRotateY(ofGetFrameNum() * 1.44);

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

	this->cam.end();

	/*
	int start = 150;
	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);

ofSetLineWidth(2);

ofEnableDepthTest();

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

}

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

void ofApp::update() {

ofSeedRandom(39);

this->face.clear();

this->line.clear();

int size = 30;

int z = 300;

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

for (int len = 300; len > 100; len -= 25) {

z = ofMap(len, 0, 300, 0, 300);

size = ofMap(len, 0, 300, len / 5, len / 10);

for (int x = -len + size * 0.5; x <= len - size * 0.5; x += size) {

vector<glm::vec3> vertices;

vertices.push_back(glm::vec3(x - size * 0.5, 0, z));

vertices.push_back(glm::vec3(x + size * 0.5, 0, z));

glm::highp_mat4 rotation;

rotation = glm::rotate(glm::mat4(), ofMap(i, 0, 4, 0, 360) * (float)DEG_TO_RAD, glm::vec3(0, 1, 0));

for (auto& vertex : vertices) {

vertex = glm::vec4(vertex, 0) * rotation;

}

int height = ofMap(ofNoise(glm::vec4(vertices[0] * 0.005, ofGetFrameNum() * 0.05)), 0, 1, 0, 100 + 300);

vertices[1].y = height;

vertices[2].y = height;

this->face.addVertices(vertices);

this->line.addVertices(vertices);

this->face.addIndex(this->face.getNumVertices() - 1); this->face.addIndex(this->face.getNumVertices() - 2); this->face.addIndex(this->face.getNumVertices() - 3);

this->face.addIndex(this->face.getNumVertices() - 1); this->face.addIndex(this->face.getNumVertices() - 3); this->face.addIndex(this->face.getNumVertices() - 4);

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

this->line.addIndex(this->line.getNumVertices() - 2); this->line.addIndex(this->line.getNumVertices() - 3);

this->line.addIndex(this->line.getNumVertices() - 3); this->line.addIndex(this->line.getNumVertices() - 4);

this->line.addIndex(this->line.getNumVertices() - 4); this->line.addIndex(this->line.getNumVertices() - 1);

ofColor face_color = z % 50 == 0 ? ofColor(239) : ofColor(39);

ofColor line_color = z % 50 == 0 ? ofColor(39) : ofColor(239);

for (int i = 0; i < vertices.size(); i++) {

this->face.addColor(face_color);

this->line.addColor(line_color);

}

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

void ofApp::draw() {

this->cam.begin();

ofTranslate(0, -200, 0);

ofRotateY(ofGetFrameNum() * 1.44);

this->face.draw();

this->line.drawWireframe();

this->cam.end();

int start = 150;

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/Insta20240827

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Amazon

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2024年8月26日2024年8月27日

Circles.

[ Video ]

[ About ]
円ず。

[ 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 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) {};

	void setRingToMesh(ofMesh& face_target, ofMesh& frame_target, glm::vec3 location, float radius, float width, float height, glm::highp_mat4 rotation);

	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 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) {};

void setRingToMesh(ofMesh& face_target, ofMesh& frame_target, glm::vec3 location, float radius, float width, float height, glm::highp_mat4 rotation);

ofEasyCam cam;

ofMesh face, frame;

};

#include "ofApp.h"

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

	ofSetFrameRate(25);
	ofSetWindowTitle("openframeworks");

	ofBackground(39);
	ofEnableDepthTest();

	this->frame.setMode(ofPrimitiveMode::OF_PRIMITIVE_LINES);
}
//--------------------------------------------------------------
void ofApp::update() {

	ofSeedRandom(39);

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

	for (int x = -300; x < 0; x += 300) {

		int i = 0;
		for (int y = -450; y <= 450; y += 300) {

			glm::highp_mat4 rotation;
			i++;
			for (auto radius = 60; radius <= 140; radius += 10) {

				glm::highp_mat4 rotation;
				auto noise_value = ofNoise(y, ofGetFrameNum() * 0.006 - radius * 0.0005);

				if (noise_value < 0.2) { noise_value = 0; }
				else if (noise_value < 0.4) { noise_value = ofMap(noise_value, 0.2, 0.4, 0, 0.5); }
				else if (noise_value < 0.6) { noise_value = 0.5; }
				else if (noise_value < 0.8) { noise_value = ofMap(noise_value, 0.6, 0.8, 0.5, 1.0); }
				else { noise_value = 1; }

				rotation = glm::rotate(glm::mat4(), ofMap(noise_value, 0, 1, -360, 360) * (float)DEG_TO_RAD, glm::vec3(0, 1, 0));

				this->setRingToMesh(this->face, this->frame, glm::vec3(i % 2 ? x : -x, y, 0), radius, 5, 5, rotation);
			}
		}
	}
}

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

	this->cam.begin();

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

	ofSetColor(0);
	this->frame.drawWireframe();

	this->cam.end();

	/*
	int start = 250 + 115;
	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);
		}
	}
	*/
}

//--------------------------------------------------------------
void ofApp::setRingToMesh(ofMesh& face_target, ofMesh& frame_target, glm::vec3 location, float radius, float width, float height, glm::highp_mat4 rotation) {

	int deg_span = 1;
	for (int deg = 0; deg < 360; deg += deg_span) {

		auto face_index = face_target.getNumVertices();

		vector<glm::vec3> vertices;
		vertices.push_back(glm::vec3((radius + width * 0.5) * cos(deg * DEG_TO_RAD), (radius + width * 0.5) * sin(deg * DEG_TO_RAD), height * -0.5));
		vertices.push_back(glm::vec3((radius + width * 0.5) * cos((deg + deg_span) * DEG_TO_RAD), (radius + width * 0.5) * sin((deg + deg_span) * DEG_TO_RAD), height * -0.5));
		vertices.push_back(glm::vec3((radius + width * 0.5) * cos((deg + deg_span) * DEG_TO_RAD), (radius + width * 0.5) * sin((deg + deg_span) * DEG_TO_RAD), height * 0.5));
		vertices.push_back(glm::vec3((radius + width * 0.5) * cos(deg * DEG_TO_RAD), (radius + width * 0.5) * sin(deg * DEG_TO_RAD), height * 0.5));

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

		for (auto& vertex : vertices) {

			vertex = glm::vec4(vertex + location, 0) * rotation;
		}

		face_target.addVertices(vertices);

		face_target.addIndex(face_index + 0); face_target.addIndex(face_index + 1); face_target.addIndex(face_index + 2);
		face_target.addIndex(face_index + 0); face_target.addIndex(face_index + 2); face_target.addIndex(face_index + 3);

		face_target.addIndex(face_index + 4); face_target.addIndex(face_index + 5); face_target.addIndex(face_index + 6);
		face_target.addIndex(face_index + 4); face_target.addIndex(face_index + 6); face_target.addIndex(face_index + 7);

		face_target.addIndex(face_index + 0); face_target.addIndex(face_index + 4); face_target.addIndex(face_index + 5);
		face_target.addIndex(face_index + 0); face_target.addIndex(face_index + 5); face_target.addIndex(face_index + 1);

		face_target.addIndex(face_index + 3); face_target.addIndex(face_index + 7); face_target.addIndex(face_index + 6);
		face_target.addIndex(face_index + 3); face_target.addIndex(face_index + 6); face_target.addIndex(face_index + 2);

		auto frame_index = frame_target.getNumVertices();

		frame_target.addVertices(vertices);

		frame_target.addIndex(frame_index + 0); frame_target.addIndex(frame_index + 1);
		frame_target.addIndex(frame_index + 2); frame_target.addIndex(frame_index + 3);
		frame_target.addIndex(frame_index + 4); frame_target.addIndex(frame_index + 5);
		frame_target.addIndex(frame_index + 6); frame_target.addIndex(frame_index + 7);

		frame_target.addIndex(frame_index + 0); frame_target.addIndex(frame_index + 3);
	}
}

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

}

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

void ofApp::update() {

ofSeedRandom(39);

this->face.clear();

this->frame.clear();

for (int x = -300; x < 0; x += 300) {

int i = 0;

for (int y = -450; y <= 450; y += 300) {

glm::highp_mat4 rotation;

i++;

for (auto radius = 60; radius <= 140; radius += 10) {

glm::highp_mat4 rotation;

auto noise_value = ofNoise(y, ofGetFrameNum() * 0.006 - radius * 0.0005);

if (noise_value < 0.2) { noise_value = 0; }

else if (noise_value < 0.4) { noise_value = ofMap(noise_value, 0.2, 0.4, 0, 0.5); }

else if (noise_value < 0.6) { noise_value = 0.5; }

else if (noise_value < 0.8) { noise_value = ofMap(noise_value, 0.6, 0.8, 0.5, 1.0); }

else { noise_value = 1; }

rotation = glm::rotate(glm::mat4(), ofMap(noise_value, 0, 1, -360, 360) * (float)DEG_TO_RAD, glm::vec3(0, 1, 0));

this->setRingToMesh(this->face, this->frame, glm::vec3(i % 2 ? x : -x, y, 0), radius, 5, 5, rotation);

}

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

void ofApp::draw() {

this->cam.begin();

ofSetColor(255);

this->face.draw();

ofSetColor(0);

this->frame.drawWireframe();

this->cam.end();

int start = 250 + 115;

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);

}

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

void ofApp::setRingToMesh(ofMesh& face_target, ofMesh& frame_target, glm::vec3 location, float radius, float width, float height, glm::highp_mat4 rotation) {

int deg_span = 1;

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

auto face_index = face_target.getNumVertices();

vector<glm::vec3> vertices;

vertices.push_back(glm::vec3((radius + width * 0.5) * cos(deg * DEG_TO_RAD), (radius + width * 0.5) * sin(deg * DEG_TO_RAD), height * -0.5));

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

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

vertices.push_back(glm::vec3((radius + width * 0.5) * cos(deg * DEG_TO_RAD), (radius + width * 0.5) * sin(deg * DEG_TO_RAD), height * 0.5));

vertices.push_back(glm::vec3((radius - width * 0.5) * cos(deg * DEG_TO_RAD), (radius - width * 0.5) * sin(deg * DEG_TO_RAD), height * -0.5));

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

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

vertices.push_back(glm::vec3((radius - width * 0.5) * cos(deg * DEG_TO_RAD), (radius - width * 0.5) * sin(deg * DEG_TO_RAD), height * 0.5));

for (auto& vertex : vertices) {

vertex = glm::vec4(vertex + location, 0) * rotation;

}

face_target.addVertices(vertices);

face_target.addIndex(face_index + 0); face_target.addIndex(face_index + 1); face_target.addIndex(face_index + 2);

face_target.addIndex(face_index + 0); face_target.addIndex(face_index + 2); face_target.addIndex(face_index + 3);

face_target.addIndex(face_index + 4); face_target.addIndex(face_index + 5); face_target.addIndex(face_index + 6);

face_target.addIndex(face_index + 4); face_target.addIndex(face_index + 6); face_target.addIndex(face_index + 7);

face_target.addIndex(face_index + 0); face_target.addIndex(face_index + 4); face_target.addIndex(face_index + 5);

face_target.addIndex(face_index + 0); face_target.addIndex(face_index + 5); face_target.addIndex(face_index + 1);

face_target.addIndex(face_index + 3); face_target.addIndex(face_index + 7); face_target.addIndex(face_index + 6);

face_target.addIndex(face_index + 3); face_target.addIndex(face_index + 6); face_target.addIndex(face_index + 2);

auto frame_index = frame_target.getNumVertices();

frame_target.addVertices(vertices);

frame_target.addIndex(frame_index + 0); frame_target.addIndex(frame_index + 1);

frame_target.addIndex(frame_index + 2); frame_target.addIndex(frame_index + 3);

frame_target.addIndex(frame_index + 4); frame_target.addIndex(frame_index + 5);

frame_target.addIndex(frame_index + 6); frame_target.addIndex(frame_index + 7);

frame_target.addIndex(frame_index + 0); frame_target.addIndex(frame_index + 3);

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20240826

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