openframeworks – ページ 47 – プログラミング de 落描き

2023年4月29日

3 color rings. Draw by openFrameworks

[ Video ]

[ About ]
3色円。

[ 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) {};

	ofEasyCam cam;
};

#pragma once

#include "ofMain.h"

class ofApp : public ofBaseApp {

public:

void setup();

void update();

void draw();

void keyPressed(int key) {};

void keyReleased(int key) {};

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

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

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

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

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

void dragEvent(ofDragInfo dragInfo) {};

void gotMessage(ofMessage msg) {};

ofEasyCam cam;

};

#include "ofApp.h"

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

	ofSetFrameRate(30);
	ofSetWindowTitle("openframeworks");

	ofBackground(239);
	ofSetLineWidth(2);
}

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

	ofSeedRandom(39);
}

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

	ofTranslate(ofGetWindowSize() * 0.5);

	ofColor color;
	int hue = ofRandom(255);
	float len = 20;

	for (int x = -220; x <= 220; x += 220) {

		for (int y = -220; y <= 220; y += 220) {

			ofPushMatrix();
			ofTranslate(x, y);

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

				vector<glm::vec2> vertices_1, vertices_2;
				float deg_start = ofRandom(360) + ofGetFrameNum() * ofRandom(3, 10);

				for (float deg = deg_start; deg < deg_start + 120; deg += 1) {

					auto noise_radius = ofMap(ofNoise(x + cos(deg * DEG_TO_RAD) * 0.5, y + sin(deg * DEG_TO_RAD) * 0.5, ofGetFrameNum() * 0.005), 0, 1, 50, 100);

					vertices_1.push_back(glm::vec2((noise_radius - len * 0.5) * cos(deg * DEG_TO_RAD), (noise_radius - len * 0.5) * sin(deg * DEG_TO_RAD)));
					vertices_2.push_back(glm::vec2((noise_radius + len * 0.5) * cos(deg * DEG_TO_RAD), (noise_radius + len * 0.5) * sin(deg * DEG_TO_RAD)));
				}

				reverse(vertices_2.begin(), vertices_2.end());

				color.setHsb(hue, 150, 255);

				ofFill();
				ofSetColor(color);

				ofBeginShape();
				ofVertices(vertices_1);
				ofVertices(vertices_2);
				ofEndShape(true);

				ofNoFill();
				ofSetColor(255);

				ofBeginShape();
				ofVertices(vertices_1);
				ofVertices(vertices_2);
				ofEndShape(true);

				hue = (hue + (int)ofRandom(20, 120)) % 255;
			}

			ofPopMatrix();
		}
	}
}

//--------------------------------------------------------------
int main() {

	ofSetupOpenGL(720, 720, OF_WINDOW);
	ofRunApp(new ofApp());
}

#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(30);

ofSetWindowTitle("openframeworks");

ofBackground(239);

ofSetLineWidth(2);

}

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

void ofApp::update() {

ofSeedRandom(39);

}

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

void ofApp::draw() {

ofTranslate(ofGetWindowSize() * 0.5);

ofColor color;

int hue = ofRandom(255);

float len = 20;

for (int x = -220; x <= 220; x += 220) {

for (int y = -220; y <= 220; y += 220) {

ofPushMatrix();

ofTranslate(x, y);

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

vector<glm::vec2> vertices_1, vertices_2;

float deg_start = ofRandom(360) + ofGetFrameNum() * ofRandom(3, 10);

for (float deg = deg_start; deg < deg_start + 120; deg += 1) {

auto noise_radius = ofMap(ofNoise(x + cos(deg * DEG_TO_RAD) * 0.5, y + sin(deg * DEG_TO_RAD) * 0.5, ofGetFrameNum() * 0.005), 0, 1, 50, 100);

vertices_1.push_back(glm::vec2((noise_radius - len * 0.5) * cos(deg * DEG_TO_RAD), (noise_radius - len * 0.5) * sin(deg * DEG_TO_RAD)));

vertices_2.push_back(glm::vec2((noise_radius + len * 0.5) * cos(deg * DEG_TO_RAD), (noise_radius + len * 0.5) * sin(deg * DEG_TO_RAD)));

}

reverse(vertices_2.begin(), vertices_2.end());

color.setHsb(hue, 150, 255);

ofFill();

ofSetColor(color);

ofBeginShape();

ofVertices(vertices_1);

ofVertices(vertices_2);

ofEndShape(true);

ofNoFill();

ofSetColor(255);

ofBeginShape();

ofVertices(vertices_1);

ofVertices(vertices_2);

ofEndShape(true);

hue = (hue + (int)ofRandom(20, 120)) % 255;

}

ofPopMatrix();

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20230429

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2023年4月28日

Random walker group random walking. Draw by openFrameworks

[ Video ]

[ About ]
ランダムウォーク群のランダムウォーク。

[ Source ]

#pragma once
#include "ofMain.h"

class Actor {
public:
	Actor(vector<glm::vec3>& location_list, vector<vector<int>>& next_index_list, vector<int>& destination_list);
	void update(const int& frame_span, vector<glm::vec3>& location_list, vector<vector<int>>& next_index_list, vector<int>& destination_list);
	glm::vec3 getLocation();
	glm::vec3 getLocation(int i);
	deque<glm::vec3> getLog();
	void setColor(ofColor color);
	ofColor getColor();

private:

	int select_index;
	int next_index;

	glm::vec3 location;
	deque<glm::vec3> log;
	ofColor color;
};

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::vec3> parent_location_group;
	vector<vector<int>> parent_next_index_group;
	vector<int> parent_destination_group;
	vector<unique_ptr<Actor>> parent_actor_group;

	vector<vector<glm::vec3>> location_group_list;
	vector<vector<vector<int>>> next_index_group_list;
	vector<vector<int>> destination_group_list;
	vector<vector<unique_ptr<Actor>>> actor_group_list;

	ofEasyCam cam;
};

#pragma once

#include "ofMain.h"

class Actor {

public:

Actor(vector<glm::vec3>& location_list, vector<vector<int>>& next_index_list, vector<int>& destination_list);

void update(const int& frame_span, vector<glm::vec3>& location_list, vector<vector<int>>& next_index_list, vector<int>& destination_list);

glm::vec3 getLocation();

glm::vec3 getLocation(int i);

deque<glm::vec3> getLog();

void setColor(ofColor color);

ofColor getColor();

private:

int select_index;

int next_index;

glm::vec3 location;

deque<glm::vec3> log;

ofColor color;

};

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::vec3> parent_location_group;

vector<vector<int>> parent_next_index_group;

vector<int> parent_destination_group;

vector<unique_ptr<Actor>> parent_actor_group;

vector<vector<glm::vec3>> location_group_list;

vector<vector<vector<int>>> next_index_group_list;

vector<vector<int>> destination_group_list;

vector<vector<unique_ptr<Actor>>> actor_group_list;

ofEasyCam cam;

};

#include "ofApp.h"	

//--------------------------------------------------------------
Actor::Actor(vector<glm::vec3>& location_list, vector<vector<int>>& next_index_list, vector<int>& destination_list) {

	this->select_index = ofRandom(location_list.size());
	while (true) {

		auto itr = find(destination_list.begin(), destination_list.end(), this->select_index);
		if (itr == destination_list.end()) {

			destination_list.push_back(this->select_index);
			break;
		}

		this->select_index = (this->select_index + 1) % location_list.size();
	}

	this->next_index = this->select_index;
}

//--------------------------------------------------------------
void Actor::update(const int& frame_span, vector<glm::vec3>& location_list, vector<vector<int>>& next_index_list, vector<int>& destination_list) {

	if (ofGetFrameNum() % frame_span == 0) {

		auto tmp_index = this->select_index;
		this->select_index = this->next_index;
		int retry = next_index_list[this->select_index].size();
		this->next_index = next_index_list[this->select_index][(int)ofRandom(next_index_list[this->select_index].size())];
		while (--retry > 0) {

			auto destination_itr = find(destination_list.begin(), destination_list.end(), this->next_index);
			if (destination_itr == destination_list.end()) {

				if (tmp_index != this->next_index) {

					destination_list.push_back(this->next_index);
					break;
				}
			}

			this->next_index = next_index_list[this->select_index][(this->next_index + 1) % next_index_list[this->select_index].size()];
		}
		if (retry <= 0) {

			destination_list.push_back(this->select_index);
			this->next_index = this->select_index;
		}
	}

	auto param = ofGetFrameNum() % frame_span;
	auto distance = location_list[this->next_index] - location_list[this->select_index];
	this->location = location_list[this->select_index] + distance / frame_span * param;

	this->log.push_front(this->location);
	while (this->log.size() > 60) { this->log.pop_back(); }
}

//--------------------------------------------------------------
glm::vec3 Actor::getLocation() {

	return this->location;
}

//--------------------------------------------------------------
glm::vec3 Actor::getLocation(int i) {

	return i > 0 && i < this->log.size() ? this->log[i] : glm::vec3();
}

//--------------------------------------------------------------
deque<glm::vec3> Actor::getLog() {

	return this->log;
}

//--------------------------------------------------------------
void Actor::setColor(ofColor value) {

	this->color = value;
}

//--------------------------------------------------------------
ofColor Actor::getColor() {

	return this->color;
}


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

	ofSetFrameRate(60);
	ofSetWindowTitle("openFrameworks");

	ofBackground(239);
	ofSetLineWidth(1);
	ofEnableDepthTest();

	ofColor color;
	vector<ofColor> base_color_list;
	vector<int> hex_list = { 0xee6352, 0x59cd90, 0x3fa7d6, 0xfac05e, 0xf79d84 };
	for (auto hex : hex_list) {

		color.setHex(hex);
		base_color_list.push_back(color);
	}

	int span = 135;
	for (int x = -span; x <= span; x += span) {

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

			for (int z = -span; z <= span; z += span) {

				this->parent_location_group.push_back(glm::vec3(x, y, z));
			}
		}
	}

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

		vector<int> next_index = vector<int>();
		int index = -1;
		for (auto& other : this->parent_location_group) {

			index++;
			if (location == other) { continue; }

			float distance = glm::distance(location, other);
			if (distance <= span) {

				next_index.push_back(index);
			}
		}
		this->parent_next_index_group.push_back(next_index);
	}

	for (int i = 0; i < 20; i++) {

		this->parent_actor_group.push_back(make_unique<Actor>(this->parent_location_group, this->parent_next_index_group, this->parent_destination_group));
		this->parent_actor_group.back()->setColor(base_color_list[i % base_color_list.size()]);
	}

	span = 25;
	for (int g = 0; g < this->parent_actor_group.size(); g++) {

		vector<glm::vec3> location_group;
		for (int x = -span * 2; x <= span * 2; x += span) {

			for (int y = -span * 2; y <= span * 2; y += span) {

				for (int z = -span * 2; z <= span * 2; z += span) {

					location_group.push_back(glm::vec3(x, y, z));
				}
			}
		}
		location_group_list.push_back(location_group);

		vector<vector<int>> next_index_group;
		for (auto& location : location_group) {

			vector<int> next_index = vector<int>();
			int index = -1;
			for (auto& other : location_group) {

				index++;
				if (location == other) { continue; }

				float distance = glm::distance(location, other);
				if (distance <= span) {

					next_index.push_back(index);
				}
			}

			next_index_group.push_back(next_index);
		}
		this->next_index_group_list.push_back(next_index_group);


		vector<unique_ptr<Actor>> actor_group;
		vector<int> destination_group;
		ofColor color;
		for (int i = 0; i < 100; i++) {

			auto a = make_unique<Actor>(location_group, next_index_group, destination_group);
			actor_group.push_back(move(a));
			
			color.setHsb((int)(this->parent_actor_group[g]->getColor().getHue() + ofRandom(30)) % 255, 255, 255);
			actor_group.back()->setColor(color);
		}

		this->actor_group_list.push_back(move(actor_group));
		this->destination_group_list.push_back(destination_group);
	}
}

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

	int frame_span = 30;
	int prev_index_size = 0;

	if (ofGetFrameNum() % frame_span == 0) {

		prev_index_size = this->parent_destination_group.size();
	}

	for (auto& actor : this->parent_actor_group) {

		actor->update(frame_span, this->parent_location_group, this->parent_next_index_group, this->parent_destination_group);
	}

	if (prev_index_size != 0) {

		this->parent_destination_group.erase(this->parent_destination_group.begin(), this->parent_destination_group.begin() + prev_index_size);
	}

	frame_span = 10;
	for (int g = 0; g < this->parent_actor_group.size(); g++) {

		if (ofGetFrameNum() % frame_span == 0) {

			prev_index_size = this->destination_group_list[g].size();
		}

		for (auto& actor : this->actor_group_list[g]) {

			actor->update(frame_span, this->location_group_list[g], this->next_index_group_list[g], this->destination_group_list[g]);
		}

		if (prev_index_size != 0) {

			this->destination_group_list[g].erase(this->destination_group_list[g].begin(), this->destination_group_list[g].begin() + prev_index_size);
		}
	}
}

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

	this->cam.begin();

	ofRotateY(ofGetFrameNum() * 0.5);

	for (int g = 0; g < parent_actor_group.size(); g++) {

		ofPushMatrix();
		ofTranslate(this->parent_actor_group[g]->getLocation());

		for (auto& actor : this->actor_group_list[g]) {

			ofFill();
			ofSetColor(actor->getColor());
			ofDrawBox(actor->getLocation(), 22);

			ofNoFill();
			ofSetColor(ofColor(239));
			ofDrawBox(actor->getLocation(), 23);
		}

		ofPopMatrix();
	}

	this->cam.end();
}


//--------------------------------------------------------------
int main() {

	ofSetupOpenGL(720, 720, OF_WINDOW);
	ofRunApp(new ofApp());
}

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#include "ofApp.h"

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

Actor::Actor(vector<glm::vec3>& location_list, vector<vector<int>>& next_index_list, vector<int>& destination_list) {

this->select_index = ofRandom(location_list.size());

while (true) {

auto itr = find(destination_list.begin(), destination_list.end(), this->select_index);

if (itr == destination_list.end()) {

destination_list.push_back(this->select_index);

break;

}

this->select_index = (this->select_index + 1) % location_list.size();

}

this->next_index = this->select_index;

}

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

void Actor::update(const int& frame_span, vector<glm::vec3>& location_list, vector<vector<int>>& next_index_list, vector<int>& destination_list) {

if (ofGetFrameNum() % frame_span == 0) {

auto tmp_index = this->select_index;

this->select_index = this->next_index;

int retry = next_index_list[this->select_index].size();

this->next_index = next_index_list[this->select_index][(int)ofRandom(next_index_list[this->select_index].size())];

while (--retry > 0) {

auto destination_itr = find(destination_list.begin(), destination_list.end(), this->next_index);

if (destination_itr == destination_list.end()) {

if (tmp_index != this->next_index) {

destination_list.push_back(this->next_index);

break;

}

this->next_index = next_index_list[this->select_index][(this->next_index + 1) % next_index_list[this->select_index].size()];

}

if (retry <= 0) {

destination_list.push_back(this->select_index);

this->next_index = this->select_index;

}

auto param = ofGetFrameNum() % frame_span;

auto distance = location_list[this->next_index] - location_list[this->select_index];

this->location = location_list[this->select_index] + distance / frame_span * param;

this->log.push_front(this->location);

while (this->log.size() > 60) { this->log.pop_back(); }

}

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

glm::vec3 Actor::getLocation() {

return this->location;

}

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

glm::vec3 Actor::getLocation(int i) {

return i > 0 && i < this->log.size() ? this->log[i] : glm::vec3();

}

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

deque<glm::vec3> Actor::getLog() {

return this->log;

}

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

void Actor::setColor(ofColor value) {

this->color = value;

}

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

ofColor Actor::getColor() {

return this->color;

}

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

void ofApp::setup() {

ofSetFrameRate(60);

ofSetWindowTitle("openFrameworks");

ofBackground(239);

ofSetLineWidth(1);

ofEnableDepthTest();

ofColor color;

vector<ofColor> base_color_list;

vector<int> hex_list = { 0xee6352, 0x59cd90, 0x3fa7d6, 0xfac05e, 0xf79d84 };

for (auto hex : hex_list) {

color.setHex(hex);

base_color_list.push_back(color);

}

int span = 135;

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

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

for (int z = -span; z <= span; z += span) {

this->parent_location_group.push_back(glm::vec3(x, y, z));

}

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

vector<int> next_index = vector<int>();

int index = -1;

for (auto& other : this->parent_location_group) {

index++;

if (location == other) { continue; }

float distance = glm::distance(location, other);

if (distance <= span) {

next_index.push_back(index);

}

this->parent_next_index_group.push_back(next_index);

}

for (int i = 0; i < 20; i++) {

this->parent_actor_group.push_back(make_unique<Actor>(this->parent_location_group, this->parent_next_index_group, this->parent_destination_group));

this->parent_actor_group.back()->setColor(base_color_list[i % base_color_list.size()]);

}

span = 25;

for (int g = 0; g < this->parent_actor_group.size(); g++) {

vector<glm::vec3> location_group;

for (int x = -span * 2; x <= span * 2; x += span) {

for (int y = -span * 2; y <= span * 2; y += span) {

for (int z = -span * 2; z <= span * 2; z += span) {

location_group.push_back(glm::vec3(x, y, z));

}

location_group_list.push_back(location_group);

vector<vector<int>> next_index_group;

for (auto& location : location_group) {

vector<int> next_index = vector<int>();

int index = -1;

for (auto& other : location_group) {

index++;

if (location == other) { continue; }

float distance = glm::distance(location, other);

if (distance <= span) {

next_index.push_back(index);

}

next_index_group.push_back(next_index);

}

this->next_index_group_list.push_back(next_index_group);

vector<unique_ptr<Actor>> actor_group;

vector<int> destination_group;

ofColor color;

for (int i = 0; i < 100; i++) {

auto a = make_unique<Actor>(location_group, next_index_group, destination_group);

actor_group.push_back(move(a));

color.setHsb((int)(this->parent_actor_group[g]->getColor().getHue() + ofRandom(30)) % 255, 255, 255);

actor_group.back()->setColor(color);

}

this->actor_group_list.push_back(move(actor_group));

this->destination_group_list.push_back(destination_group);

}

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

void ofApp::update() {

int frame_span = 30;

int prev_index_size = 0;

if (ofGetFrameNum() % frame_span == 0) {

prev_index_size = this->parent_destination_group.size();

}

for (auto& actor : this->parent_actor_group) {

actor->update(frame_span, this->parent_location_group, this->parent_next_index_group, this->parent_destination_group);

}

if (prev_index_size != 0) {

this->parent_destination_group.erase(this->parent_destination_group.begin(), this->parent_destination_group.begin() + prev_index_size);

}

frame_span = 10;

for (int g = 0; g < this->parent_actor_group.size(); g++) {

if (ofGetFrameNum() % frame_span == 0) {

prev_index_size = this->destination_group_list[g].size();

}

for (auto& actor : this->actor_group_list[g]) {

actor->update(frame_span, this->location_group_list[g], this->next_index_group_list[g], this->destination_group_list[g]);

}

if (prev_index_size != 0) {

this->destination_group_list[g].erase(this->destination_group_list[g].begin(), this->destination_group_list[g].begin() + prev_index_size);

}

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

void ofApp::draw() {

this->cam.begin();

ofRotateY(ofGetFrameNum() * 0.5);

for (int g = 0; g < parent_actor_group.size(); g++) {

ofPushMatrix();

ofTranslate(this->parent_actor_group[g]->getLocation());

for (auto& actor : this->actor_group_list[g]) {

ofFill();

ofSetColor(actor->getColor());

ofDrawBox(actor->getLocation(), 22);

ofNoFill();

ofSetColor(ofColor(239));

ofDrawBox(actor->getLocation(), 23);

}

ofPopMatrix();

}

this->cam.end();

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20230428

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2023年4月27日

Big or small Box. Draw by openFrameworks

[ Video ]

[ About ]
ビッグかスモールな箱。

[ 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) {};

	void setBoxRecursive(glm::vec3 location, float size);

	void setBoxToMesh(ofMesh& face_target, ofMesh& frame_target, glm::vec3 location, float size);
	void setBoxToMesh(ofMesh& face_target, ofMesh& frame_target, glm::vec3 location, float height, float width, float depth);

	ofEasyCam cam;
	ofMesh face, frame;

	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) {};

void setBoxRecursive(glm::vec3 location, float size);

void setBoxToMesh(ofMesh& face_target, ofMesh& frame_target, glm::vec3 location, float size);

void setBoxToMesh(ofMesh& face_target, ofMesh& frame_target, glm::vec3 location, float height, float width, float depth);

ofEasyCam cam;

ofMesh face, frame;

float noise_param;

};

#include "ofApp.h"

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

	ofSetFrameRate(60);
	ofSetWindowTitle("openframeworks");

	ofBackground(239);
	ofEnableDepthTest();

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

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

	ofSeedRandom(39);

	this->noise_param += 0.015;

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

	float size = 300;
	this->setBoxRecursive(glm::vec3(0, 0, 0), size);
}

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

	this->cam.begin();

	ofRotateY(ofGetFrameNum() * 0.5);

	ofSetColor(0);
	this->face.draw();

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

	this->cam.end();
}

//--------------------------------------------------------------
void ofApp::setBoxRecursive(glm::vec3 location, float size) {

	vector<glm::vec3> location_list = {
		location + glm::vec3(-size * 0.5, -size * 0.5, size * 0.5),
		location + glm::vec3(-size * 0.5, size * 0.5, size * 0.5),
		location + glm::vec3(size * 0.5, size * 0.5, size * 0.5),
		location + glm::vec3(size * 0.5, -size * 0.5, size * 0.5),
		location + glm::vec3(-size * 0.5, -size * 0.5, -size * 0.5),
		location + glm::vec3(-size * 0.5, size * 0.5, -size * 0.5),
		location + glm::vec3(size * 0.5, size * 0.5, -size * 0.5),
		location + glm::vec3(size * 0.5, -size * 0.5, -size * 0.5)
	};

	if (size < 30) {

		for (auto& l : location_list) {

			auto noise_value = ofNoise(glm::vec3(l.x * 0.00075, l.y * 0.00075 + this->noise_param, l.z * 0.00075));
			if (noise_value < 0.50) {

				this->setBoxToMesh(this->face, this->frame, l, size);
			}
		}
	}
	else {

		for (auto& l : location_list) {

			auto noise_value = ofNoise(glm::vec3(l.x * 0.00075, l.y * 0.00075 + this->noise_param, l.z * 0.00075));

			if (size == 300 || noise_value < 0.45) {

				this->setBoxRecursive(l, size * 0.5);
			}
			else if (noise_value < 0.50) {

				/*
				auto size_param = ofMap(noise_value, 0.45, 0.7, 0, 1);
				this->setBoxToMesh(this->face, this->frame, l, size * 1);
				*/
			}
			else {

				this->setBoxToMesh(this->face, this->frame, l, size);
			}
		}
	}
}

//--------------------------------------------------------------
void ofApp::setBoxToMesh(ofMesh& face_target, ofMesh& frame_target, glm::vec3 location, float size) {

	this->setBoxToMesh(face_target, frame_target, location, size, size, size);
}

//--------------------------------------------------------------
void ofApp::setBoxToMesh(ofMesh& face_target, ofMesh& frame_target, glm::vec3 location, float height, float width, float depth) {

	int face_index = face_target.getNumVertices();
	int frame_index = frame_target.getNumVertices();

	face_target.addVertex(location + glm::vec3(width * -0.5 * 0.99, height * 0.5 * 0.99, depth * -0.5 * 0.99));
	face_target.addVertex(location + glm::vec3(width * 0.5 * 0.99, height * 0.5 * 0.99, depth * -0.5 * 0.99));
	face_target.addVertex(location + glm::vec3(width * 0.5 * 0.99, height * 0.5 * 0.99, depth * 0.5 * 0.99));
	face_target.addVertex(location + glm::vec3(width * -0.5 * 0.99, height * 0.5 * 0.99, depth * 0.5 * 0.99));

	face_target.addVertex(location + glm::vec3(width * -0.5 * 0.99, height * -0.5 * 0.99, depth * -0.5 * 0.99));
	face_target.addVertex(location + glm::vec3(width * 0.5 * 0.99, height * -0.5 * 0.99, depth * -0.5 * 0.99));
	face_target.addVertex(location + glm::vec3(width * 0.5 * 0.99, height * -0.5 * 0.99, depth * 0.5 * 0.99));
	face_target.addVertex(location + glm::vec3(width * -0.5 * 0.99, height * -0.5 * 0.99, depth * 0.5 * 0.99));

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

	face_target.addIndex(face_index + 1); face_target.addIndex(face_index + 5); face_target.addIndex(face_index + 6);
	face_target.addIndex(face_index + 6); face_target.addIndex(face_index + 2); face_target.addIndex(face_index + 1);

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

	face_target.addIndex(face_index + 3); face_target.addIndex(face_index + 7); face_target.addIndex(face_index + 4);
	face_target.addIndex(face_index + 4); face_target.addIndex(face_index + 0); face_target.addIndex(face_index + 3);

	frame_target.addVertex(location + glm::vec3(width * -0.5, height * 0.5, depth * -0.5));
	frame_target.addVertex(location + glm::vec3(width * 0.5, height * 0.5, depth * -0.5));
	frame_target.addVertex(location + glm::vec3(width * 0.5, height * 0.5, depth * 0.5));
	frame_target.addVertex(location + glm::vec3(width * -0.5, height * 0.5, depth * 0.5));

	frame_target.addVertex(location + glm::vec3(width * -0.5, height * -0.5, depth * -0.5));
	frame_target.addVertex(location + glm::vec3(width * 0.5, height * -0.5, depth * -0.5));
	frame_target.addVertex(location + glm::vec3(width * 0.5, height * -0.5, depth * 0.5));
	frame_target.addVertex(location + glm::vec3(width * -0.5, height * -0.5, depth * 0.5));

	frame_target.addIndex(frame_index + 0); frame_target.addIndex(frame_index + 1);
	frame_target.addIndex(frame_index + 1); frame_target.addIndex(frame_index + 2);
	frame_target.addIndex(frame_index + 2); frame_target.addIndex(frame_index + 3);
	frame_target.addIndex(frame_index + 3); frame_target.addIndex(frame_index + 0);

	frame_target.addIndex(frame_index + 4); frame_target.addIndex(frame_index + 5);
	frame_target.addIndex(frame_index + 5); frame_target.addIndex(frame_index + 6);
	frame_target.addIndex(frame_index + 6); frame_target.addIndex(frame_index + 7);
	frame_target.addIndex(frame_index + 7); frame_target.addIndex(frame_index + 4);

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

//--------------------------------------------------------------
int main() {

	ofSetupOpenGL(720, 720, OF_WINDOW);
	ofRunApp(new ofApp());
}

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#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(60);

ofSetWindowTitle("openframeworks");

ofBackground(239);

ofEnableDepthTest();

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

}

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

void ofApp::update() {

ofSeedRandom(39);

this->noise_param += 0.015;

this->face.clear();

this->frame.clear();

float size = 300;

this->setBoxRecursive(glm::vec3(0, 0, 0), size);

}

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

void ofApp::draw() {

this->cam.begin();

ofRotateY(ofGetFrameNum() * 0.5);

ofSetColor(0);

this->face.draw();

ofSetColor(255);

this->frame.draw();

this->cam.end();

}

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

void ofApp::setBoxRecursive(glm::vec3 location, float size) {

vector<glm::vec3> location_list = {

location + glm::vec3(-size * 0.5, -size * 0.5, size * 0.5),

location + glm::vec3(-size * 0.5, size * 0.5, size * 0.5),

location + glm::vec3(size * 0.5, size * 0.5, size * 0.5),

location + glm::vec3(size * 0.5, -size * 0.5, size * 0.5),

location + glm::vec3(-size * 0.5, -size * 0.5, -size * 0.5),

location + glm::vec3(-size * 0.5, size * 0.5, -size * 0.5),

location + glm::vec3(size * 0.5, size * 0.5, -size * 0.5),

location + glm::vec3(size * 0.5, -size * 0.5, -size * 0.5)

};

if (size < 30) {

for (auto& l : location_list) {

auto noise_value = ofNoise(glm::vec3(l.x * 0.00075, l.y * 0.00075 + this->noise_param, l.z * 0.00075));

if (noise_value < 0.50) {

this->setBoxToMesh(this->face, this->frame, l, size);

}

else {

for (auto& l : location_list) {

auto noise_value = ofNoise(glm::vec3(l.x * 0.00075, l.y * 0.00075 + this->noise_param, l.z * 0.00075));

if (size == 300 || noise_value < 0.45) {

this->setBoxRecursive(l, size * 0.5);

}

else if (noise_value < 0.50) {

auto size_param = ofMap(noise_value, 0.45, 0.7, 0, 1);

this->setBoxToMesh(this->face, this->frame, l, size * 1);

}

else {

this->setBoxToMesh(this->face, this->frame, l, size);

}

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

void ofApp::setBoxToMesh(ofMesh& face_target, ofMesh& frame_target, glm::vec3 location, float size) {

this->setBoxToMesh(face_target, frame_target, location, size, size, size);

}

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

void ofApp::setBoxToMesh(ofMesh& face_target, ofMesh& frame_target, glm::vec3 location, float height, float width, float depth) {

int face_index = face_target.getNumVertices();

int frame_index = frame_target.getNumVertices();

face_target.addVertex(location + glm::vec3(width * -0.5 * 0.99, height * 0.5 * 0.99, depth * -0.5 * 0.99));

face_target.addVertex(location + glm::vec3(width * 0.5 * 0.99, height * 0.5 * 0.99, depth * -0.5 * 0.99));

face_target.addVertex(location + glm::vec3(width * 0.5 * 0.99, height * 0.5 * 0.99, depth * 0.5 * 0.99));

face_target.addVertex(location + glm::vec3(width * -0.5 * 0.99, height * 0.5 * 0.99, depth * 0.5 * 0.99));

face_target.addVertex(location + glm::vec3(width * -0.5 * 0.99, height * -0.5 * 0.99, depth * -0.5 * 0.99));

face_target.addVertex(location + glm::vec3(width * 0.5 * 0.99, height * -0.5 * 0.99, depth * -0.5 * 0.99));

face_target.addVertex(location + glm::vec3(width * 0.5 * 0.99, height * -0.5 * 0.99, depth * 0.5 * 0.99));

face_target.addVertex(location + glm::vec3(width * -0.5 * 0.99, height * -0.5 * 0.99, depth * 0.5 * 0.99));

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 + 1);

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

face_target.addIndex(face_index + 1); face_target.addIndex(face_index + 5); face_target.addIndex(face_index + 6);

face_target.addIndex(face_index + 6); face_target.addIndex(face_index + 2); face_target.addIndex(face_index + 1);

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

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

face_target.addIndex(face_index + 3); face_target.addIndex(face_index + 7); face_target.addIndex(face_index + 4);

face_target.addIndex(face_index + 4); face_target.addIndex(face_index + 0); face_target.addIndex(face_index + 3);

frame_target.addVertex(location + glm::vec3(width * -0.5, height * 0.5, depth * -0.5));

frame_target.addVertex(location + glm::vec3(width * 0.5, height * 0.5, depth * -0.5));

frame_target.addVertex(location + glm::vec3(width * 0.5, height * 0.5, depth * 0.5));

frame_target.addVertex(location + glm::vec3(width * -0.5, height * 0.5, depth * 0.5));

frame_target.addVertex(location + glm::vec3(width * -0.5, height * -0.5, depth * -0.5));

frame_target.addVertex(location + glm::vec3(width * 0.5, height * -0.5, depth * -0.5));

frame_target.addVertex(location + glm::vec3(width * 0.5, height * -0.5, depth * 0.5));

frame_target.addVertex(location + glm::vec3(width * -0.5, height * -0.5, depth * 0.5));

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

frame_target.addIndex(frame_index + 1); frame_target.addIndex(frame_index + 2);

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

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

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

frame_target.addIndex(frame_index + 5); frame_target.addIndex(frame_index + 6);

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

frame_target.addIndex(frame_index + 7); frame_target.addIndex(frame_index + 4);

frame_target.addIndex(frame_index + 0); frame_target.addIndex(frame_index + 4);

frame_target.addIndex(frame_index + 1); frame_target.addIndex(frame_index + 5);

frame_target.addIndex(frame_index + 2); frame_target.addIndex(frame_index + 6);

frame_target.addIndex(frame_index + 3); frame_target.addIndex(frame_index + 7);

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20230427

[ほしいものリスト]
Amazon

[ Sponsor Link ]

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