2024年12月 – ページ 4 – プログラミング de 落描き

2024年12月22日

Cliff.

[ Video ]

[ About ]
崖。

[ 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);
	ofSetLineWidth(2);
	ofEnableDepthTest();

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

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

	ofSeedRandom(39);

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

	float span = 1;
	float threshold_1 = 0.48;
	float threshold_2 = 0.52;
	float frame_param = ofGetFrameNum() * 0.005;
	float coordinate_param = 0.003;
	float len = 420;
	float angle;
	glm::highp_mat4 rotation;

	ofColor face_color, line_color;
	face_color = ofColor(239);

	for (float z = 0; z >= -len * 0.25; z -= 6) {

		line_color.setHsb((int)(ofGetFrameNum() * 2 + abs(z)) % 255, ofMap(z, -len * 0.25, 0, 39, 239), 230);

		threshold_1 -= 0.0015;
		threshold_2 += 0.0015;

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

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

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

				glm::vec3 loc_1 = glm::vec4(x - span, y, z, 0) * rotation;
				auto noise_1 = ofNoise(glm::vec4(loc_1 * coordinate_param, frame_param));
				glm::vec3 loc_2 = glm::vec4(x, y + span, z, 0) * rotation;
				auto noise_2 = ofNoise(glm::vec4(loc_2 * coordinate_param, frame_param));
				glm::vec3 loc_3 = glm::vec4(x + span, y, z, 0) * rotation;
				auto noise_3 = ofNoise(glm::vec4(loc_3 * coordinate_param, frame_param));
				glm::vec3 loc4 = glm::vec4(x, y - span, z, 0) * rotation;
				auto noise_4 = ofNoise(glm::vec4(loc4 * coordinate_param, frame_param));

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

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

				this->face.addVertices(vertices);

				for (int i = 0; i < 4; i++) { this->face.addColor(face_color); }

				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);

				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);

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

				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);

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

				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);

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

				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);

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

		}
	}
}

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

	this->cam.begin();

	this->frame.draw();
	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(239);

ofSetLineWidth(2);

ofEnableDepthTest();

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

}

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

void ofApp::update() {

ofSeedRandom(39);

this->face.clear();

this->frame.clear();

float span = 1;

float threshold_1 = 0.48;

float threshold_2 = 0.52;

float frame_param = ofGetFrameNum() * 0.005;

float coordinate_param = 0.003;

float len = 420;

float angle;

glm::highp_mat4 rotation;

ofColor face_color, line_color;

face_color = ofColor(239);

for (float z = 0; z >= -len * 0.25; z -= 6) {

line_color.setHsb((int)(ofGetFrameNum() * 2 + abs(z)) % 255, ofMap(z, -len * 0.25, 0, 39, 239), 230);

threshold_1 -= 0.0015;

threshold_2 += 0.0015;

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

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

glm::vec3 noise_location = glm::vec4(x, y, z, 0) * rotation;

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

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

glm::vec3 loc_1 = glm::vec4(x - span, y, z, 0) * rotation;

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

glm::vec3 loc_2 = glm::vec4(x, y + span, z, 0) * rotation;

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

glm::vec3 loc_3 = glm::vec4(x + span, y, z, 0) * rotation;

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

glm::vec3 loc4 = glm::vec4(x, y - span, z, 0) * rotation;

auto noise_4 = ofNoise(glm::vec4(loc4 * coordinate_param, frame_param));

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

vector<glm::vec3> vertices;

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

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

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

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

this->face.addVertices(vertices);

for (int i = 0; i < 4; i++) { this->face.addColor(face_color); }

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);

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);

this->frame.addColor(line_color);

}

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);

this->frame.addColor(line_color);

}

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);

this->frame.addColor(line_color);

}

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);

this->frame.addColor(line_color);

}

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

void ofApp::draw() {

this->cam.begin();

this->frame.draw();

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/Insta20241222

2024年12月21日

Double circle.

[ Video ]

[ About ]
二重円。

[ Source ]

#pragma once
#include "ofMain.h"

class ofApp : public ofBaseApp {

public:
	void setup();
	void update();
	void draw();

	void keyPressed(int key) {};
	void keyReleased(int key) {};
	void mouseMoved(int x, int y) {};
	void mouseDragged(int x, int y, int button) {};
	void mousePressed(int x, int y, int button) {};
	void mouseReleased(int x, int y, int button) {};
	void windowResized(int w, int h) {};
	void dragEvent(ofDragInfo dragInfo) {};
	void gotMessage(ofMessage msg) {};

	vector<glm::vec2> noise_seed_list;
	vector<glm::vec2> location_list;
	vector<glm::vec2> velocity_list;
	vector<ofColor> color_list;
};

#pragma once

#include "ofMain.h"

class ofApp : public ofBaseApp {

public:

void setup();

void update();

void draw();

void keyPressed(int key) {};

void keyReleased(int key) {};

void mouseMoved(int x, int y) {};

void mouseDragged(int x, int y, int button) {};

void mousePressed(int x, int y, int button) {};

void mouseReleased(int x, int y, int button) {};

void windowResized(int w, int h) {};

void dragEvent(ofDragInfo dragInfo) {};

void gotMessage(ofMessage msg) {};

vector<glm::vec2> noise_seed_list;

vector<glm::vec2> location_list;

vector<glm::vec2> velocity_list;

vector<ofColor> color_list;

};

#include "ofApp.h"

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

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

	ofBackground(39);
	ofSetRectMode(ofRectMode::OF_RECTMODE_CENTER);
	ofEnableBlendMode(ofBlendMode::OF_BLENDMODE_ADD);

	for (int i = 0; i < 1; i++) {

		this->noise_seed_list.push_back(glm::vec2(ofRandom(1000), ofRandom(1000)));
	}
}

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

	int index = 0;
	auto radius = 30;
	ofColor color;
	for (auto& noise_seed : this->noise_seed_list) {

		auto deg = ofGetFrameNum() * 6 + index * 60;
		auto next_deg = deg + 3;

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

		auto distance =  next - location;
		distance *= 1;

		for (int i = 0; i < 1; i++) {

			auto future = location + distance * 8;
			auto random_deg = ofRandom(360);
			future += glm::vec2(15 * cos(random_deg * DEG_TO_RAD), 15 * sin(random_deg * DEG_TO_RAD));
			auto future_distance = future - location;

			this->location_list.push_back(location);
			this->velocity_list.push_back(glm::normalize(future_distance) * glm::length(distance));

			color.setHsb(ofMap(deg % 180, 0, 180, 0, 255), 200, 200);
			this->color_list.push_back(color);
		}

		index++;
	}

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

		this->location_list[i] += this->velocity_list[i];
		this->velocity_list[i] *= 1.0005;

		if (glm::distance(glm::vec2(), this->location_list[i]) > 360) {

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

}

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

	ofTranslate(ofGetWindowSize() * 0.5);
	ofRotateY(180);

	int index = 0;
	for (auto& location : this->location_list) {

		auto size = ofMap(glm::length(location), 0, 360, 6, 32);
		auto len = glm::length(location);
		auto alpha = len < 200 ? 255 : ofMap(len, 200, 320, 255, 0);

		ofPushMatrix();
		ofTranslate(location);

		ofFill();
		ofSetColor(this->color_list[index], alpha * 0.75);
		ofDrawCircle(glm::vec2(), size * 0.65);

		ofNoFill();
		ofSetColor(this->color_list[index], alpha);
		ofDrawCircle(glm::vec2(), size * 0.65);
		ofDrawCircle(glm::vec2(), size);

		ofPopMatrix();

		index++;
	}

	/*
	int start = 500;
	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);

ofSetRectMode(ofRectMode::OF_RECTMODE_CENTER);

ofEnableBlendMode(ofBlendMode::OF_BLENDMODE_ADD);

for (int i = 0; i < 1; i++) {

this->noise_seed_list.push_back(glm::vec2(ofRandom(1000), ofRandom(1000)));

}

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

void ofApp::update() {

int index = 0;

auto radius = 30;

ofColor color;

for (auto& noise_seed : this->noise_seed_list) {

auto deg = ofGetFrameNum() * 6 + index * 60;

auto next_deg = deg + 3;

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

auto next = glm::vec2(radius * cos(next_deg * DEG_TO_RAD), radius * sin(next_deg * DEG_TO_RAD));

auto distance = next - location;

distance *= 1;

for (int i = 0; i < 1; i++) {

auto future = location + distance * 8;

auto random_deg = ofRandom(360);

future += glm::vec2(15 * cos(random_deg * DEG_TO_RAD), 15 * sin(random_deg * DEG_TO_RAD));

auto future_distance = future - location;

this->location_list.push_back(location);

this->velocity_list.push_back(glm::normalize(future_distance) * glm::length(distance));

color.setHsb(ofMap(deg % 180, 0, 180, 0, 255), 200, 200);

this->color_list.push_back(color);

}

index++;

}

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

this->location_list[i] += this->velocity_list[i];

this->velocity_list[i] *= 1.0005;

if (glm::distance(glm::vec2(), this->location_list[i]) > 360) {

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

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

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

}

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

void ofApp::draw() {

ofTranslate(ofGetWindowSize() * 0.5);

ofRotateY(180);

int index = 0;

for (auto& location : this->location_list) {

auto size = ofMap(glm::length(location), 0, 360, 6, 32);

auto len = glm::length(location);

auto alpha = len < 200 ? 255 : ofMap(len, 200, 320, 255, 0);

ofPushMatrix();

ofTranslate(location);

ofFill();

ofSetColor(this->color_list[index], alpha * 0.75);

ofDrawCircle(glm::vec2(), size * 0.65);

ofNoFill();

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

ofDrawCircle(glm::vec2(), size * 0.65);

ofDrawCircle(glm::vec2(), size);

ofPopMatrix();

index++;

}

int start = 500;

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/Insta20241221

2024年12月20日

Squares.

[ Video ]

[ About ]
しかくぃ。

[ Source ]

#pragma once
#include "ofMain.h"

class ofApp : public ofBaseApp {

public:
	void setup();
	void update();
	void draw();

	void keyPressed(int key) {};
	void keyReleased(int key) {};
	void mouseMoved(int x, int y) {};
	void mouseDragged(int x, int y, int button) {};
	void mousePressed(int x, int y, int button) {};
	void mouseReleased(int x, int y, int button) {};
	void windowResized(int w, int h) {};
	void dragEvent(ofDragInfo dragInfo) {};
	void gotMessage(ofMessage msg) {};

	vector<glm::vec2> noise_seed_list;
	vector<glm::vec2> location_list;
	vector<glm::vec2> velocity_list;
	vector<ofColor> color_list;
};

#pragma once

#include "ofMain.h"

class ofApp : public ofBaseApp {

public:

void setup();

void update();

void draw();

void keyPressed(int key) {};

void keyReleased(int key) {};

void mouseMoved(int x, int y) {};

void mouseDragged(int x, int y, int button) {};

void mousePressed(int x, int y, int button) {};

void mouseReleased(int x, int y, int button) {};

void windowResized(int w, int h) {};

void dragEvent(ofDragInfo dragInfo) {};

void gotMessage(ofMessage msg) {};

vector<glm::vec2> noise_seed_list;

vector<glm::vec2> location_list;

vector<glm::vec2> velocity_list;

vector<ofColor> color_list;

};

#include "ofApp.h"

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

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

	ofBackground(239);
	ofSetLineWidth(2);
	ofEnableBlendMode(ofBlendMode::OF_BLENDMODE_SUBTRACT);

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

		this->noise_seed_list.push_back(glm::vec2(ofRandom(1000), ofRandom(1000)));
	}
}

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

	int index = 0;
	auto radius = 50;
	ofColor color;
	for (auto& noise_seed : this->noise_seed_list) {

		auto deg = ofGetFrameNum() * 3 + index * 90;
		auto next_deg = deg + 3;

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

		auto distance =  next - location;
		distance *= 1;

		for (int i = 0; i < 3; i++) {

			auto future = location + distance * 8;
			auto random_deg = ofRandom(360);
			future += glm::vec2(15 * cos(random_deg * DEG_TO_RAD), 15 * sin(random_deg * DEG_TO_RAD));
			auto future_distance = future - location;

			this->location_list.push_back(location);
			this->velocity_list.push_back(glm::normalize(future_distance) * glm::length(distance));

			color.setHsb(ofRandom(index * 64, index * 64 + 64), 200, 255);
			this->color_list.push_back(color);
		}

		index++;
	}

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

		this->location_list[i] += this->velocity_list[i];
		this->velocity_list[i] *= 1.01;

		if (glm::distance(glm::vec2(), this->location_list[i]) > 1000) {

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

}

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

	ofTranslate(ofGetWindowSize() * 0.5);
	ofRotateY(180);

	int index = 0;
	for (auto& location : this->location_list) {

		auto size = ofMap(glm::length(location), 0, 360, 3, 32);

		ofPushMatrix();
		ofTranslate(location);

		ofRotate(ofGetFrameNum() * glm::length(this->velocity_list[index]) * 0.3);

		ofFill();
		ofSetColor(this->color_list[index], 128);
		ofDrawRectangle(glm::vec2(), size, size);

		ofNoFill();
		ofSetColor(this->color_list[index]);
		ofDrawRectangle(glm::vec2(), size, size);

		ofPopMatrix();

		index++;
	}

	/*
	int start = 500;
	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);

ofSetLineWidth(2);

ofEnableBlendMode(ofBlendMode::OF_BLENDMODE_SUBTRACT);

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

this->noise_seed_list.push_back(glm::vec2(ofRandom(1000), ofRandom(1000)));

}

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

void ofApp::update() {

int index = 0;

auto radius = 50;

ofColor color;

for (auto& noise_seed : this->noise_seed_list) {

auto deg = ofGetFrameNum() * 3 + index * 90;

auto next_deg = deg + 3;

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

auto next = glm::vec2(radius * cos(next_deg * DEG_TO_RAD), radius * sin(next_deg * DEG_TO_RAD));

auto distance = next - location;

distance *= 1;

for (int i = 0; i < 3; i++) {

auto future = location + distance * 8;

auto random_deg = ofRandom(360);

future += glm::vec2(15 * cos(random_deg * DEG_TO_RAD), 15 * sin(random_deg * DEG_TO_RAD));

auto future_distance = future - location;

this->location_list.push_back(location);

this->velocity_list.push_back(glm::normalize(future_distance) * glm::length(distance));

color.setHsb(ofRandom(index * 64, index * 64 + 64), 200, 255);

this->color_list.push_back(color);

}

index++;

}

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

this->location_list[i] += this->velocity_list[i];

this->velocity_list[i] *= 1.01;

if (glm::distance(glm::vec2(), this->location_list[i]) > 1000) {

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

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

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

}

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

void ofApp::draw() {

ofTranslate(ofGetWindowSize() * 0.5);

ofRotateY(180);

int index = 0;

for (auto& location : this->location_list) {

auto size = ofMap(glm::length(location), 0, 360, 3, 32);

ofPushMatrix();

ofTranslate(location);

ofRotate(ofGetFrameNum() * glm::length(this->velocity_list[index]) * 0.3);

ofFill();

ofSetColor(this->color_list[index], 128);

ofDrawRectangle(glm::vec2(), size, size);

ofNoFill();

ofSetColor(this->color_list[index]);

ofDrawRectangle(glm::vec2(), size, size);

ofPopMatrix();

index++;

}

int start = 500;

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/Insta20241220

2024年12月
月	火	水	木	金	土	日
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