RandomWalk – ページ 50 – プログラミング de 落描き

2021年9月14日2021年9月14日

Disciplined Random Walk. Draw by openFrameworks

[ Video ]

[ About ]
座標を配列で管理して、インデックスを使ってランダムウォークする。

Keep coordinates in an array and use indexes to do random walks.

[ 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();
	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> location_list;
	vector<vector<int>> next_index_list;
	vector<int> destination_list;

	vector<unique_ptr<Actor>> actor_list;
};

#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;

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> location_list;

vector<vector<int>> next_index_list;

vector<int> destination_list;

vector<unique_ptr<Actor>> actor_list;

};

#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() > 30) { this->log.pop_back(); }
}

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

	return this->location;
}

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

	return this->log;
}

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

	this->color = color;
}

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

	return this->color;
}


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

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

	ofBackground(0);
	ofSetRectMode(ofRectMode::OF_RECTMODE_CENTER);

	auto span = 60;
	for (int x = -270; x <= 270; x += span) {

		for (int y = -270; y <= 270; y += span) {

			this->location_list.push_back(glm::vec3(x, y, 0));
		}
	}

	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 <= span) {

				next_index.push_back(index);
			}
		}

		this->next_index_list.push_back(next_index);
	}

	ofColor color;
	vector<int> hex_list = { 0x247BA0, 0x70C1B3, 0xB2DBBF, 0xF3FFBD, 0xFF1654 };
	vector<ofColor> base_color_list;
	for (auto hex : hex_list) {

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

	for (int i = 0; i < 85; i++) {

		this->actor_list.push_back(make_unique<Actor>(this->location_list, this->next_index_list, this->destination_list));
		this->actor_list.back()->setColor(base_color_list[(int)ofRandom(base_color_list.size())]);
	}
}

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

	int frame_span = 30;
	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() {

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

	ofSetColor(239);
	ofNoFill();
	ofDrawRectangle(glm::vec2(), 615, 615);

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

		ofDrawCircle(location, 2);
	}

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

		// 非常に手抜きな実装。
		// 枠があれば、きっとカッコいいけど、今日はここまで。
		ofSetColor(actor->getColor());
		for (auto& l : actor->getLog()) {

			ofDrawRectangle(l, 32, 32);
		}
	}
}


//--------------------------------------------------------------
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() > 30) { this->log.pop_back(); }

}

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

glm::vec3 Actor::getLocation() {

return this->location;

}

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

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

return this->log;

}

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

void Actor::setColor(ofColor color) {

this->color = color;

}

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

ofColor Actor::getColor() {

return this->color;

}

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

void ofApp::setup() {

ofSetFrameRate(60);

ofSetWindowTitle("openFrameworks");

ofBackground(0);

ofSetRectMode(ofRectMode::OF_RECTMODE_CENTER);

auto span = 60;

for (int x = -270; x <= 270; x += span) {

for (int y = -270; y <= 270; y += span) {

this->location_list.push_back(glm::vec3(x, y, 0));

}

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 <= span) {

next_index.push_back(index);

}

this->next_index_list.push_back(next_index);

}

ofColor color;

vector<int> hex_list = { 0x247BA0, 0x70C1B3, 0xB2DBBF, 0xF3FFBD, 0xFF1654 };

vector<ofColor> base_color_list;

for (auto hex : hex_list) {

color.setHex(hex);

base_color_list.push_back(color);

}

for (int i = 0; i < 85; i++) {

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

this->actor_list.back()->setColor(base_color_list[(int)ofRandom(base_color_list.size())]);

}

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

void ofApp::update() {

int frame_span = 30;

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() {

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

ofSetColor(239);

ofNoFill();

ofDrawRectangle(glm::vec2(), 615, 615);

ofFill();

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

ofDrawCircle(location, 2);

}

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

// 非常に手抜きな実装。

// 枠があれば、きっとカッコいいけど、今日はここまで。

ofSetColor(actor->getColor());

for (auto& l : actor->getLog()) {

ofDrawRectangle(l, 32, 32);

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20210914

[ほしいものリスト]
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2021年9月7日2021年9月7日

Shave the font. Draw by openFrameworks

[ Video ]

[ About ]
ランダムウォークが近づいたらボックスの描写をやめる。
時間経過で再描写する。

Stop describing the box when the random walk approaches.
Redescribe it over time.

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

	ofEasyCam cam;
	ofMesh face, frame;

	vector<glm::vec3> log_list;

	float len;
	vector<glm::vec3> box_location_list;
	vector<float> alpah_param_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) {};

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

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

ofEasyCam cam;

ofMesh face, frame;

vector<glm::vec3> log_list;

float len;

vector<glm::vec3> box_location_list;

vector<float> alpah_param_list;

};

#include "ofApp.h"

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

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

	ofBackground(239);
	ofSetColor(0);
	ofEnableDepthTest();

	ofTrueTypeFont font;
	int font_size = 120;
	font.loadFont("fonts/Kazesawa-Bold.ttf", font_size, true, true, true);

	ofFbo fbo;
	fbo.allocate(ofGetWidth(), ofGetHeight());
	fbo.begin();
	ofTranslate(ofGetWidth() * 0.5, ofGetHeight() * 0.5);
	ofClear(0);
	ofSetColor(0);

	string word = "BREAK";
	for (int y = -180; y <= 180; y += 180) {

		font.drawString(word, font.stringWidth(word) * -0.5, y + font.stringHeight(word) * 0.5);
	}

	fbo.end();

	this->len = 5;
	ofPixels pixels;
	fbo.readToPixels(pixels);
	for (int x = 0; x < fbo.getWidth(); x += this->len) {

		for (int y = 0; y < fbo.getHeight(); y += this->len) {

			ofColor color = pixels.getColor(x, y);
			if (color != ofColor(0, 0)) {

				for (int z = this->len * -2; z <= this->len * 2; z += this->len) {

					this->box_location_list.push_back(glm::vec3(x, y, z));
					this->alpah_param_list.push_back(255);
				}
			}
		}
	}

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

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

	ofSeedRandom(39);

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

	auto noise_seed = glm::vec3(ofRandom(1000), ofRandom(1000), ofRandom(1000));
	auto noise_location = glm::vec3(ofMap(ofNoise(noise_seed.x, ofGetFrameNum() * 0.005), 0, 1, 50, 670), ofMap(ofNoise(noise_seed.y, ofGetFrameNum() * 0.005), 0, 1, 50, 670), ofMap(ofNoise(noise_seed.z, ofGetFrameNum() * 0.005), 0, 1, -25, 25));
	this->log_list.push_back(noise_location);
	while (this->log_list.size() > 30) { this->log_list.erase(this->log_list.begin()); }

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

		if (glm::distance(this->box_location_list[i], noise_location) < 30) {

			this->alpah_param_list[i] = 0;
		}

		if (this->alpah_param_list[i] > 200) {

			this->setBoxToMesh(this->face, this->frame, this->box_location_list[i], this->len, ofColor(239, ofMap(this->alpah_param_list[i], 200, 255, 0, 255)));
		}

		this->alpah_param_list[i] = this->alpah_param_list[i] >= 255 ? 255 : this->alpah_param_list[i] + 1.5;
	}
}

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

	this->cam.begin();
	ofRotateX(180);
	ofTranslate(ofGetWidth() * -0.5, ofGetHeight() * -0.5);
	
	ofNoFill();
	ofBeginShape();
	ofVertices(this->log_list);
	ofEndShape();

	ofFill();
	ofDrawSphere(this->log_list.back(), 5);

	this->face.drawFaces();
	this->frame.drawWireframe();

	this->cam.end();
}

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

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

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

	int index = face_target.getVertices().size();

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

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

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

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

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

	face_target.addIndex(index + 3); face_target.addIndex(index + 7); face_target.addIndex(index + 4);
	face_target.addIndex(index + 4); face_target.addIndex(index + 0); face_target.addIndex(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(index + 0); frame_target.addIndex(index + 1);
	frame_target.addIndex(index + 1); frame_target.addIndex(index + 2);
	frame_target.addIndex(index + 2); frame_target.addIndex(index + 3);
	frame_target.addIndex(index + 3); frame_target.addIndex(index + 0);

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

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

	for (int i = 0; i < 8; i++) {

		face_target.addColor(color);
		frame_target.addColor(ofColor(39));
	}
}

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

ofSetColor(0);

ofEnableDepthTest();

ofTrueTypeFont font;

int font_size = 120;

font.loadFont("fonts/Kazesawa-Bold.ttf", font_size, true, true, true);

ofFbo fbo;

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

fbo.begin();

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

ofClear(0);

ofSetColor(0);

string word = "BREAK";

for (int y = -180; y <= 180; y += 180) {

font.drawString(word, font.stringWidth(word) * -0.5, y + font.stringHeight(word) * 0.5);

}

fbo.end();

this->len = 5;

ofPixels pixels;

fbo.readToPixels(pixels);

for (int x = 0; x < fbo.getWidth(); x += this->len) {

for (int y = 0; y < fbo.getHeight(); y += this->len) {

ofColor color = pixels.getColor(x, y);

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

for (int z = this->len * -2; z <= this->len * 2; z += this->len) {

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

this->alpah_param_list.push_back(255);

}

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

}

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

void ofApp::update() {

ofSeedRandom(39);

this->face.clear();

this->frame.clear();

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

auto noise_location = glm::vec3(ofMap(ofNoise(noise_seed.x, ofGetFrameNum() * 0.005), 0, 1, 50, 670), ofMap(ofNoise(noise_seed.y, ofGetFrameNum() * 0.005), 0, 1, 50, 670), ofMap(ofNoise(noise_seed.z, ofGetFrameNum() * 0.005), 0, 1, -25, 25));

this->log_list.push_back(noise_location);

while (this->log_list.size() > 30) { this->log_list.erase(this->log_list.begin()); }

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

if (glm::distance(this->box_location_list[i], noise_location) < 30) {

this->alpah_param_list[i] = 0;

}

if (this->alpah_param_list[i] > 200) {

this->setBoxToMesh(this->face, this->frame, this->box_location_list[i], this->len, ofColor(239, ofMap(this->alpah_param_list[i], 200, 255, 0, 255)));

}

this->alpah_param_list[i] = this->alpah_param_list[i] >= 255 ? 255 : this->alpah_param_list[i] + 1.5;

}

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

void ofApp::draw() {

this->cam.begin();

ofRotateX(180);

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

ofNoFill();

ofBeginShape();

ofVertices(this->log_list);

ofEndShape();

ofFill();

ofDrawSphere(this->log_list.back(), 5);

this->face.drawFaces();

this->frame.drawWireframe();

this->cam.end();

}

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

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

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

}

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

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

int index = face_target.getVertices().size();

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

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

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

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

face_target.addIndex(index + 0); face_target.addIndex(index + 4); face_target.addIndex(index + 1);

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

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

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

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

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

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

face_target.addIndex(index + 4); face_target.addIndex(index + 0); face_target.addIndex(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(index + 0); frame_target.addIndex(index + 1);

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

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

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

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

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

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

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

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

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

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

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

for (int i = 0; i < 8; i++) {

face_target.addColor(color);

frame_target.addColor(ofColor(39));

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20210907

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2021年9月2日2021年9月2日

Symmetry moving on digital numbers. Draw by openFrameworks

[ Video ]

[ About ]
数字を敷き詰めて、ランダムウォークとの距離で表示・非表示を切り替える。

Lay out the numbers and show or hide them based on the distance from the random walk.

[ 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 draw_digital(glm::vec2 location, int number_index);
	void draw_hexagon(glm::vec2 location, float deg);

	vector<pair<glm::vec2, int>> number_list;

	float hexagon_height;
	float hexagon_width;
};

#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 draw_digital(glm::vec2 location, int number_index);

void draw_hexagon(glm::vec2 location, float deg);

vector<pair<glm::vec2, int>> number_list;

float hexagon_height;

float hexagon_width;

};

#include "ofApp.h"

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

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

	ofBackground(0);
	ofSetColor(39);

	this->hexagon_height = 8;
	this->hexagon_width = 4;

	for (float x = this->hexagon_width * 9; x <= ofGetWidth() - this->hexagon_width * 9; x += this->hexagon_height * 1.5) {

		for (float y = this->hexagon_height * 3; y <= ofGetHeight() - this->hexagon_height * 3; y += this->hexagon_height * 3) {

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

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

	ofSeedRandom(39);

	for (auto& number : this->number_list) {

		number.second = number.second > 0 ? number.second - 0.01 : 0;
	}

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

		int deg_start = ofMap(ofNoise(ofRandom(1000), ofGetFrameNum() * 0.005), 0, 1, -360, 360);
		int radius = ofMap(ofNoise(ofRandom(1000), ofGetFrameNum() * 0.01), 0, 1, -350, 350);

		for (int deg = deg_start; deg < deg_start + 360; deg += 60) {

			auto noise_location = glm::vec2(radius * cos(deg * DEG_TO_RAD) + ofGetWidth() * 0.5, radius * sin(deg * DEG_TO_RAD) + ofGetHeight() * 0.5);

			for (auto& number : this->number_list) {

				if (glm::distance(noise_location, number.first) < 15) {

					number.second = number.second < 100 ? number.second + 8 : 100;
				}
			}
		}
	}
}

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

	for (auto& number : this->number_list) {

		if (number.second > 0) {

			int number_index = ofMap(ofNoise(glm::vec3(number.first * 0.05, ofGetFrameNum() * 0.03)), 0, 1, 0, 10);
			this->draw_digital(number.first, number_index);
		}
	}
}

//--------------------------------------------------------------
void ofApp::draw_digital(glm::vec2 location, int number_index) {

	vector<pair<glm::vec2, float>> part_list = {
		make_pair<glm::vec2, float>(location + glm::vec2(0, -this->hexagon_height), 90),
		make_pair<glm::vec2, float>(location + glm::vec2(this->hexagon_height * -0.5, this->hexagon_height * 0.5), 0),
		make_pair<glm::vec2, float>(location + glm::vec2(this->hexagon_height * 0.5, this->hexagon_height * 0.5), 0),
		make_pair<glm::vec2, float>(location + glm::vec2(0, 0), 90),
		make_pair<glm::vec2, float>(location + glm::vec2(this->hexagon_height * -0.5, this->hexagon_height * -0.5), 0),
		make_pair<glm::vec2, float>(location + glm::vec2(this->hexagon_height * 0.5, this->hexagon_height * -0.5), 0),
		make_pair<glm::vec2, float>(location + glm::vec2(0, this->hexagon_height), 90)
	};

	vector<vector<int>> index_list = {
		{ 0, 1, 2, 4, 5, 6 },
		{ 2, 5 },
		{ 0, 1, 3, 5, 6 },
		{ 0, 2, 3, 5, 6 },
		{ 2, 3, 4, 5 },
		{ 0, 2, 3, 4, 6 },
		{ 0, 1, 2, 3, 4, 6 },
		{ 0, 2, 5 },
		{ 0, 1, 2, 3, 4, 5, 6 },
		{ 0, 2, 3, 4, 5, 6 },
	};

	for (auto& index : index_list[number_index]) {

		this->draw_hexagon(part_list[index].first, part_list[index].second);
	}
}

//--------------------------------------------------------------
void ofApp::draw_hexagon(glm::vec2 location, float deg) {

	ofPushMatrix();
	ofTranslate(location);
	ofRotate(deg);

	vector<glm::vec2> vertices;
	vertices.push_back(glm::vec2(this->hexagon_width * -0.4, this->hexagon_height * -0.4));
	vertices.push_back(glm::vec2(this->hexagon_width * -0.4, this->hexagon_height * 0.4));
	vertices.push_back(glm::vec2(0, this->hexagon_height * 0.5));
	vertices.push_back(glm::vec2(this->hexagon_width * 0.4, this->hexagon_height * 0.4));
	vertices.push_back(glm::vec2(this->hexagon_width * 0.4, this->hexagon_height * -0.4));
	vertices.push_back(glm::vec2(0, this->hexagon_height * -0.5));

	ofFill();
	ofSetColor(239);

	ofBeginShape();
	ofVertices(vertices);
	ofEndShape(true);

	ofNoFill();
	ofSetColor(39);

	ofBeginShape();
	ofVertices(vertices);
	ofEndShape(true);

	ofPopMatrix();
}

//--------------------------------------------------------------
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(0);

ofSetColor(39);

this->hexagon_height = 8;

this->hexagon_width = 4;

for (float x = this->hexagon_width * 9; x <= ofGetWidth() - this->hexagon_width * 9; x += this->hexagon_height * 1.5) {

for (float y = this->hexagon_height * 3; y <= ofGetHeight() - this->hexagon_height * 3; y += this->hexagon_height * 3) {

this->number_list.push_back(make_pair(glm::vec2(x, y), 0));

}

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

void ofApp::update() {

ofSeedRandom(39);

for (auto& number : this->number_list) {

number.second = number.second > 0 ? number.second - 0.01 : 0;

}

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

int deg_start = ofMap(ofNoise(ofRandom(1000), ofGetFrameNum() * 0.005), 0, 1, -360, 360);

int radius = ofMap(ofNoise(ofRandom(1000), ofGetFrameNum() * 0.01), 0, 1, -350, 350);

for (int deg = deg_start; deg < deg_start + 360; deg += 60) {

auto noise_location = glm::vec2(radius * cos(deg * DEG_TO_RAD) + ofGetWidth() * 0.5, radius * sin(deg * DEG_TO_RAD) + ofGetHeight() * 0.5);

for (auto& number : this->number_list) {

if (glm::distance(noise_location, number.first) < 15) {

number.second = number.second < 100 ? number.second + 8 : 100;

}

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

void ofApp::draw() {

for (auto& number : this->number_list) {

if (number.second > 0) {

int number_index = ofMap(ofNoise(glm::vec3(number.first * 0.05, ofGetFrameNum() * 0.03)), 0, 1, 0, 10);

this->draw_digital(number.first, number_index);

}

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

void ofApp::draw_digital(glm::vec2 location, int number_index) {

vector<pair<glm::vec2, float>> part_list = {

make_pair<glm::vec2, float>(location + glm::vec2(0, -this->hexagon_height), 90),

make_pair<glm::vec2, float>(location + glm::vec2(this->hexagon_height * -0.5, this->hexagon_height * 0.5), 0),

make_pair<glm::vec2, float>(location + glm::vec2(this->hexagon_height * 0.5, this->hexagon_height * 0.5), 0),

make_pair<glm::vec2, float>(location + glm::vec2(0, 0), 90),

make_pair<glm::vec2, float>(location + glm::vec2(this->hexagon_height * -0.5, this->hexagon_height * -0.5), 0),

make_pair<glm::vec2, float>(location + glm::vec2(this->hexagon_height * 0.5, this->hexagon_height * -0.5), 0),

make_pair<glm::vec2, float>(location + glm::vec2(0, this->hexagon_height), 90)

};

vector<vector<int>> index_list = {

{ 0, 1, 2, 4, 5, 6 },

{ 2, 5 },

{ 0, 1, 3, 5, 6 },

{ 0, 2, 3, 5, 6 },

{ 2, 3, 4, 5 },

{ 0, 2, 3, 4, 6 },

{ 0, 1, 2, 3, 4, 6 },

{ 0, 2, 5 },

{ 0, 1, 2, 3, 4, 5, 6 },

{ 0, 2, 3, 4, 5, 6 },

};

for (auto& index : index_list[number_index]) {

this->draw_hexagon(part_list[index].first, part_list[index].second);

}

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

void ofApp::draw_hexagon(glm::vec2 location, float deg) {

ofPushMatrix();

ofTranslate(location);

ofRotate(deg);

vector<glm::vec2> vertices;

vertices.push_back(glm::vec2(this->hexagon_width * -0.4, this->hexagon_height * -0.4));

vertices.push_back(glm::vec2(this->hexagon_width * -0.4, this->hexagon_height * 0.4));

vertices.push_back(glm::vec2(0, this->hexagon_height * 0.5));

vertices.push_back(glm::vec2(this->hexagon_width * 0.4, this->hexagon_height * 0.4));

vertices.push_back(glm::vec2(this->hexagon_width * 0.4, this->hexagon_height * -0.4));

vertices.push_back(glm::vec2(0, this->hexagon_height * -0.5));

ofFill();

ofSetColor(239);

ofBeginShape();

ofVertices(vertices);

ofEndShape(true);

ofNoFill();

ofSetColor(39);

ofBeginShape();

ofVertices(vertices);

ofEndShape(true);

ofPopMatrix();

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20210902

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