プログラミング de 落描き – ページ 385 – クリエイティブ・コーディングによる生成物とソース

2021年3月1日2021年3月1日

Dot font. Draw by openFrameworks

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Dot font.

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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) {};

	ofTrueTypeFont font;
	vector<glm::vec2> location_list;
	vector<float> value_list;
	int frame_span;
	int word_index;
};

#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) {};

ofTrueTypeFont font;

vector<glm::vec2> location_list;

vector<float> value_list;

int frame_span;

int word_index;

};

#include "ofApp.h"

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

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

	ofBackground(239);
	ofSetColor(39);
	
	this->font.loadFont("fonts/Kazesawa-Bold.ttf", 550, true, true, true);

	int span = 20;
	for (int x = span * 0.5; x <= ofGetWidth() - span * 0.5; x += span) {

		for (int y = span * 0.5; y <= ofGetHeight() - span * 0.5; y += span) {

			this->location_list.push_back(glm::vec2(x, y));
			this->value_list.push_back(0);
		}
	}

	this->word_index = 0;
	this->frame_span = 90;
}

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

	if (ofGetFrameNum() % this->frame_span == 0) {

		vector<string> word_list = { "L", "O", "V", "E", "!" };
		this->word_index = (this->word_index + 1) % word_list.size();
		string word = word_list[this->word_index];

		ofFbo fbo;
		fbo.allocate(ofGetWidth(), ofGetHeight());
		fbo.begin();
		ofTranslate(ofGetWidth() * 0.5, ofGetHeight() * 0.5);
		ofClear(0);
		ofSetColor(0);
		this->font.drawString(word, font.stringWidth(word) * -0.5, font.stringHeight(word) * 0.5);
		fbo.end();
		ofPixels pixels;
		fbo.readToPixels(pixels);

		for (int i = 0; i < this->location_list.size(); i++) {

			ofColor color = pixels.getColor(this->location_list[i].x, this->location_list[i].y);
			if (color != ofColor(0, 0)) {

				this->value_list[i] = 1;
			}
			else {

				this->value_list[i] = 0;
			}
		}
	}
}

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

	auto frame_param = ofGetFrameNum() % this->frame_span;
	for (int i = 0; i < this->location_list.size(); i++) {

		if (this->value_list[i] == 1) {

			auto noise_value = ofNoise(this->location_list[i] * 0.005);

			if (frame_param < this->frame_span * 0.6)	{

				noise_value += ofMap(frame_param, 0, this->frame_span * 0.3, 0, 1);
				if (noise_value > 1) { noise_value = 1; }
			}
			else {

				noise_value = ofMap(frame_param , this->frame_span * 0.6, this->frame_span, 1, 0);
				if (noise_value < 0) { noise_value = 0; }
			}

			ofDrawCircle(this->location_list[i], 3 + 5 * this->value_list[i] * noise_value);
		}
		else {

			ofDrawCircle(this->location_list[i], 3);
		}
	}
}

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

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

#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(60);

ofSetWindowTitle("openframeworks");

ofBackground(239);

ofSetColor(39);

this->font.loadFont("fonts/Kazesawa-Bold.ttf", 550, true, true, true);

int span = 20;

for (int x = span * 0.5; x <= ofGetWidth() - span * 0.5; x += span) {

for (int y = span * 0.5; y <= ofGetHeight() - span * 0.5; y += span) {

this->location_list.push_back(glm::vec2(x, y));

this->value_list.push_back(0);

}

this->word_index = 0;

this->frame_span = 90;

}

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

void ofApp::update() {

if (ofGetFrameNum() % this->frame_span == 0) {

vector<string> word_list = { "L", "O", "V", "E", "!" };

this->word_index = (this->word_index + 1) % word_list.size();

string word = word_list[this->word_index];

ofFbo fbo;

fbo.allocate(ofGetWidth(), ofGetHeight());

fbo.begin();

ofTranslate(ofGetWidth() * 0.5, ofGetHeight() * 0.5);

ofClear(0);

ofSetColor(0);

this->font.drawString(word, font.stringWidth(word) * -0.5, font.stringHeight(word) * 0.5);

fbo.end();

ofPixels pixels;

fbo.readToPixels(pixels);

for (int i = 0; i < this->location_list.size(); i++) {

ofColor color = pixels.getColor(this->location_list[i].x, this->location_list[i].y);

if (color != ofColor(0, 0)) {

this->value_list[i] = 1;

}

else {

this->value_list[i] = 0;

}

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

void ofApp::draw() {

auto frame_param = ofGetFrameNum() % this->frame_span;

for (int i = 0; i < this->location_list.size(); i++) {

if (this->value_list[i] == 1) {

auto noise_value = ofNoise(this->location_list[i] * 0.005);

if (frame_param < this->frame_span * 0.6) {

noise_value += ofMap(frame_param, 0, this->frame_span * 0.3, 0, 1);

if (noise_value > 1) { noise_value = 1; }

}

else {

noise_value = ofMap(frame_param , this->frame_span * 0.6, this->frame_span, 1, 0);

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

}

ofDrawCircle(this->location_list[i], 3 + 5 * this->value_list[i] * noise_value);

}

else {

ofDrawCircle(this->location_list[i], 3);

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

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2021年2月28日

White to Black. Draw by openFrameworks

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White to Black.

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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 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) {};

ofEasyCam cam;

ofMesh frame;

float noise_param;

};

#include "ofApp.h"

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

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

	ofBackground(139);
	ofSetColor(39);
	ofSetLineWidth(3);
	ofEnableDepthTest();

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

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

	ofSeedRandom(39);
	this->frame.clear();

	for (int len = 100; len <= 350; len += 250) {

		auto noise_seed = glm::vec3(ofRandom(1000), ofRandom(1000), ofRandom(1000));
		for(int i = 0; i < 20; i++){

			auto angle_x = ofMap(ofNoise(noise_seed.x, (ofGetFrameNum() + i) * 0.003), 0, 1, -PI, PI);
			auto angle_y = ofMap(ofNoise(noise_seed.y, (ofGetFrameNum() + i) * 0.003), 0, 1, -PI, PI);
			auto angle_z = ofMap(ofNoise(noise_seed.z, (ofGetFrameNum() + i) * 0.003), 0, 1, -PI, PI);

			auto rotation_x = glm::rotate(glm::mat4(), angle_x, glm::vec3(1, 0, 0));
			auto rotation_y = glm::rotate(glm::mat4(), angle_y, glm::vec3(0, 1, 0));
			auto rotation_z = glm::rotate(glm::mat4(), angle_z, glm::vec3(0, 0, 1));

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

			vertices.push_back(glm::vec3(len * -0.5, len * 0.5, len * -0.5));
			vertices.push_back(glm::vec3(len * 0.5, len * 0.5, len * -0.5));
			vertices.push_back(glm::vec3(len * 0.5, len * 0.5, len * 0.5));
			vertices.push_back(glm::vec3(len * -0.5, len * 0.5, len * 0.5));

			vertices.push_back(glm::vec3(len * -0.5, len * -0.5, len * -0.5));
			vertices.push_back(glm::vec3(len * 0.5, len * -0.5, len * -0.5));
			vertices.push_back(glm::vec3(len * 0.5, len * -0.5, len * 0.5));
			vertices.push_back(glm::vec3(len * -0.5, len * -0.5, len * 0.5));

			for (auto& vertex : vertices) {

				vertex = glm::vec4(vertex, 0) * rotation_z * rotation_y * rotation_x;
				this->frame.addColor(ofColor(ofMap(i, 0, 20, 39, 239)));
			}

			this->frame.addVertices(vertices);

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

			this->frame.addIndex(index + 4); this->frame.addIndex(index + 5);
			this->frame.addIndex(index + 5); this->frame.addIndex(index + 6);
			this->frame.addIndex(index + 6); this->frame.addIndex(index + 7);
			this->frame.addIndex(index + 7); this->frame.addIndex(index + 4);

			this->frame.addIndex(index + 0); this->frame.addIndex(index + 4);
			this->frame.addIndex(index + 1); this->frame.addIndex(index + 5);
			this->frame.addIndex(index + 2); this->frame.addIndex(index + 6);
			this->frame.addIndex(index + 3); this->frame.addIndex(index + 7);
		}
	}
}

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

	this->cam.begin();

	this->frame.drawWireframe();

	this->cam.end();
}

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

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

#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(60);

ofSetWindowTitle("openFrameworks");

ofBackground(139);

ofSetColor(39);

ofSetLineWidth(3);

ofEnableDepthTest();

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

}

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

void ofApp::update() {

ofSeedRandom(39);

this->frame.clear();

for (int len = 100; len <= 350; len += 250) {

auto noise_seed = glm::vec3(ofRandom(1000), ofRandom(1000), ofRandom(1000));

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

auto angle_x = ofMap(ofNoise(noise_seed.x, (ofGetFrameNum() + i) * 0.003), 0, 1, -PI, PI);

auto angle_y = ofMap(ofNoise(noise_seed.y, (ofGetFrameNum() + i) * 0.003), 0, 1, -PI, PI);

auto angle_z = ofMap(ofNoise(noise_seed.z, (ofGetFrameNum() + i) * 0.003), 0, 1, -PI, PI);

auto rotation_x = glm::rotate(glm::mat4(), angle_x, glm::vec3(1, 0, 0));

auto rotation_y = glm::rotate(glm::mat4(), angle_y, glm::vec3(0, 1, 0));

auto rotation_z = glm::rotate(glm::mat4(), angle_z, glm::vec3(0, 0, 1));

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

vector<glm::vec3> vertices;

vertices.push_back(glm::vec3(len * -0.5, len * 0.5, len * -0.5));

vertices.push_back(glm::vec3(len * 0.5, len * 0.5, len * -0.5));

vertices.push_back(glm::vec3(len * 0.5, len * 0.5, len * 0.5));

vertices.push_back(glm::vec3(len * -0.5, len * 0.5, len * 0.5));

vertices.push_back(glm::vec3(len * -0.5, len * -0.5, len * -0.5));

vertices.push_back(glm::vec3(len * 0.5, len * -0.5, len * -0.5));

vertices.push_back(glm::vec3(len * 0.5, len * -0.5, len * 0.5));

vertices.push_back(glm::vec3(len * -0.5, len * -0.5, len * 0.5));

for (auto& vertex : vertices) {

vertex = glm::vec4(vertex, 0) * rotation_z * rotation_y * rotation_x;

this->frame.addColor(ofColor(ofMap(i, 0, 20, 39, 239)));

}

this->frame.addVertices(vertices);

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

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

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

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

this->frame.addIndex(index + 4); this->frame.addIndex(index + 5);

this->frame.addIndex(index + 5); this->frame.addIndex(index + 6);

this->frame.addIndex(index + 6); this->frame.addIndex(index + 7);

this->frame.addIndex(index + 7); this->frame.addIndex(index + 4);

this->frame.addIndex(index + 0); this->frame.addIndex(index + 4);

this->frame.addIndex(index + 1); this->frame.addIndex(index + 5);

this->frame.addIndex(index + 2); this->frame.addIndex(index + 6);

this->frame.addIndex(index + 3); this->frame.addIndex(index + 7);

}

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

void ofApp::draw() {

this->cam.begin();

this->frame.drawWireframe();

this->cam.end();

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
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2021年2月27日2021年2月27日

Polite Random Walk. Draw by openFrameworks

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Polite Random Walk.

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#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();
	deque<glm::vec3> getLog();
	void setColor(ofColor color);
	ofColor getColor();

private:

	int select_index;
	int next_index;

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

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> location_list;
	vector<vector<int>> next_index_list;
	vector<int> destination_list;

	vector<unique_ptr<Actor>> actor_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();

deque<glm::vec3> getLog();

void setColor(ofColor color);

ofColor getColor();

private:

int select_index;

int next_index;

glm::vec3 location;

deque<glm::vec3> log;

};

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> location_list;

vector<vector<int>> next_index_list;

vector<int> destination_list;

vector<unique_ptr<Actor>> actor_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() > 50) { this->log.pop_back(); }
}

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

	return this->location;
}

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

	return this->log;
}

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

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

	ofBackground(239);
	ofSetLineWidth(1.5);
	ofEnableDepthTest();

	for (int x = -200; x <= 200; x += 100) {

		for (int y = -200; y <= 200; y += 100) {

			for (int z = -200; z <= 200; z += 100) {

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

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

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

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

			float distance = glm::distance(location, other);
			if (distance <= 100) {

				next_index.push_back(index);
			}
		}

		this->next_index_list.push_back(next_index);
	}

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

		this->actor_list.push_back(make_unique<Actor>(this->location_list, this->next_index_list, this->destination_list));
	}
}

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

	int frame_span = 10;
	int prev_index_size = 0;

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

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

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

		actor->update(frame_span, this->location_list, this->next_index_list, this->destination_list);
	}

	if (prev_index_size != 0) {

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

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

	this->cam.begin();

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

		ofSetColor(39);
		ofFill();
		ofDrawBox(actor->getLocation(), 90);

		ofSetColor(239);
		ofNoFill();
		ofDrawBox(actor->getLocation(), 90);
	}

	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() > 50) { this->log.pop_back(); }

}

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

glm::vec3 Actor::getLocation() {

return this->location;

}

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

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

return this->log;

}

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

void ofApp::setup() {

ofSetFrameRate(60);

ofSetWindowTitle("openFrameworks");

ofBackground(239);

ofSetLineWidth(1.5);

ofEnableDepthTest();

for (int x = -200; x <= 200; x += 100) {

for (int y = -200; y <= 200; y += 100) {

for (int z = -200; z <= 200; z += 100) {

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

}

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

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

int index = -1;

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

index++;

if (location == other) { continue; }

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

if (distance <= 100) {

next_index.push_back(index);

}

this->next_index_list.push_back(next_index);

}

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

this->actor_list.push_back(make_unique<Actor>(this->location_list, this->next_index_list, this->destination_list));

}

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

void ofApp::update() {

int frame_span = 10;

int prev_index_size = 0;

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

prev_index_size = this->destination_list.size();

}

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

actor->update(frame_span, this->location_list, this->next_index_list, this->destination_list);

}

if (prev_index_size != 0) {

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

}

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

void ofApp::draw() {

this->cam.begin();

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

ofSetColor(39);

ofFill();

ofDrawBox(actor->getLocation(), 90);

ofSetColor(239);

ofNoFill();

ofDrawBox(actor->getLocation(), 90);

}

this->cam.end();

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20210227

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