2020年12月 – ページ 5 – プログラミング de 落描き

2020年12月19日2020年12月19日

noise(x, y, z + frame_count). Draw by openFrameworks

[ Video ]

[ About ]
noise(x, y, z + frame_count)

[ Source ]

#pragma once
#include "ofMain.h"

class ofApp : public ofBaseApp {

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

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

	ofEasyCam cam;
	ofMesh face, frame;
};

#pragma once

#include "ofMain.h"

class ofApp : public ofBaseApp {

public:

void setup();

void update();

void draw();

void keyPressed(int key) {};

void keyReleased(int key) {};

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

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

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

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

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

void dragEvent(ofDragInfo dragInfo) {};

void gotMessage(ofMessage msg) {};

ofEasyCam cam;

ofMesh face, frame;

};

#include "ofApp.h"

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

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

	ofBackground(239);
	ofEnableDepthTest();

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

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

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

	float phi_deg_step = 10;
	float theta_deg_step = 6;

	for (int x = -600; x <= 600; x += 600) {

		for (int z = -600; z <= 600; z += 600) {

			for (float radius = 150; radius <= 250; radius += 100) {

				for (float phi_deg = 0; phi_deg < 360; phi_deg += phi_deg_step) {

					for (float theta_deg = 0; theta_deg <= 180; theta_deg += theta_deg_step) {

						auto noise_value = ofNoise(glm::vec3(
							x + radius * sin(theta_deg * DEG_TO_RAD) * cos(phi_deg * DEG_TO_RAD) * 0.003,
							radius * sin(theta_deg * DEG_TO_RAD) * sin(phi_deg * DEG_TO_RAD) * 0.003,
							z + radius * cos(theta_deg * DEG_TO_RAD) * 0.003 +
							ofGetFrameNum() * 0.03));

						if (noise_value > 0.55) {

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

							vertices.push_back(glm::vec3(
								x + radius * sin((theta_deg - theta_deg_step * 0.5) * DEG_TO_RAD) * cos((phi_deg + phi_deg_step * 0.5) * DEG_TO_RAD),
								radius * sin((theta_deg - theta_deg_step * 0.5) * DEG_TO_RAD) * sin((phi_deg + phi_deg_step * 0.5) * DEG_TO_RAD),
								z + radius * cos((theta_deg - theta_deg_step * 0.5) * DEG_TO_RAD)));
							vertices.push_back(glm::vec3(
								x + radius * sin((theta_deg - theta_deg_step * 0.5) * DEG_TO_RAD) * cos((phi_deg - phi_deg_step * 0.5) * DEG_TO_RAD),
								radius * sin((theta_deg - theta_deg_step * 0.5) * DEG_TO_RAD) * sin((phi_deg - phi_deg_step * 0.5) * DEG_TO_RAD),
								z + radius * cos((theta_deg - theta_deg_step * 0.5) * DEG_TO_RAD)));
							vertices.push_back(glm::vec3(
								x + radius * sin((theta_deg + theta_deg_step * 0.5) * DEG_TO_RAD) * cos((phi_deg + phi_deg_step * 0.5) * DEG_TO_RAD),
								radius * sin((theta_deg + theta_deg_step * 0.5) * DEG_TO_RAD) * sin((phi_deg + phi_deg_step * 0.5) * DEG_TO_RAD),
								z + radius * cos((theta_deg + theta_deg_step * 0.5) * DEG_TO_RAD)));
							vertices.push_back(glm::vec3(
								x + radius * sin((theta_deg + theta_deg_step * 0.5) * DEG_TO_RAD) * cos((phi_deg - phi_deg_step * 0.5) * DEG_TO_RAD),
								radius * sin((theta_deg + theta_deg_step * 0.5) * DEG_TO_RAD) * sin((phi_deg - phi_deg_step * 0.5) * DEG_TO_RAD),
								z + radius * cos((theta_deg + theta_deg_step * 0.5) * DEG_TO_RAD)));

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

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

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

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

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

	ofSetColor(239, 71, 111);
	this->face.draw();

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

	this->cam.end();
}

//--------------------------------------------------------------
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() {

this->face.clear();

this->frame.clear();

float phi_deg_step = 10;

float theta_deg_step = 6;

for (int x = -600; x <= 600; x += 600) {

for (int z = -600; z <= 600; z += 600) {

for (float radius = 150; radius <= 250; radius += 100) {

for (float phi_deg = 0; phi_deg < 360; phi_deg += phi_deg_step) {

for (float theta_deg = 0; theta_deg <= 180; theta_deg += theta_deg_step) {

auto noise_value = ofNoise(glm::vec3(

x + radius * sin(theta_deg * DEG_TO_RAD) * cos(phi_deg * DEG_TO_RAD) * 0.003,

radius * sin(theta_deg * DEG_TO_RAD) * sin(phi_deg * DEG_TO_RAD) * 0.003,

z + radius * cos(theta_deg * DEG_TO_RAD) * 0.003 +

ofGetFrameNum() * 0.03));

if (noise_value > 0.55) {

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

vector<glm::vec3> vertices;

vertices.push_back(glm::vec3(

x + radius * sin((theta_deg - theta_deg_step * 0.5) * DEG_TO_RAD) * cos((phi_deg + phi_deg_step * 0.5) * DEG_TO_RAD),

radius * sin((theta_deg - theta_deg_step * 0.5) * DEG_TO_RAD) * sin((phi_deg + phi_deg_step * 0.5) * DEG_TO_RAD),

z + radius * cos((theta_deg - theta_deg_step * 0.5) * DEG_TO_RAD)));

vertices.push_back(glm::vec3(

x + radius * sin((theta_deg - theta_deg_step * 0.5) * DEG_TO_RAD) * cos((phi_deg - phi_deg_step * 0.5) * DEG_TO_RAD),

radius * sin((theta_deg - theta_deg_step * 0.5) * DEG_TO_RAD) * sin((phi_deg - phi_deg_step * 0.5) * DEG_TO_RAD),

z + radius * cos((theta_deg - theta_deg_step * 0.5) * DEG_TO_RAD)));

vertices.push_back(glm::vec3(

x + radius * sin((theta_deg + theta_deg_step * 0.5) * DEG_TO_RAD) * cos((phi_deg + phi_deg_step * 0.5) * DEG_TO_RAD),

radius * sin((theta_deg + theta_deg_step * 0.5) * DEG_TO_RAD) * sin((phi_deg + phi_deg_step * 0.5) * DEG_TO_RAD),

z + radius * cos((theta_deg + theta_deg_step * 0.5) * DEG_TO_RAD)));

vertices.push_back(glm::vec3(

x + radius * sin((theta_deg + theta_deg_step * 0.5) * DEG_TO_RAD) * cos((phi_deg - phi_deg_step * 0.5) * DEG_TO_RAD),

radius * sin((theta_deg + theta_deg_step * 0.5) * DEG_TO_RAD) * sin((phi_deg - phi_deg_step * 0.5) * DEG_TO_RAD),

z + radius * cos((theta_deg + theta_deg_step * 0.5) * DEG_TO_RAD)));

this->face.addVertices(vertices);

this->frame.addVertices(vertices);

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

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

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

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

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

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

}

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

void ofApp::draw() {

this->cam.begin();

ofRotateX(90);

ofSetColor(239, 71, 111);

this->face.draw();

ofSetColor(239);

this->frame.draw();

this->cam.end();

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20201219

2020年12月18日2020年12月18日

Random work is curry. openFrameworks

[ Video ]

[ About ]
One creative corder said. Random work is curry.

【Processing Advent Calendar 2020 18日目】
random は優しい顔をしてあなたの作品にも忍び込んでくる… 全人類に警鐘を鳴らす衝撃の問題作！random の罠がいま暴かれる！🕵️‍♀️#processing #p5js #creativecoding #randomは初心者殺し https://t.co/pElN2ml9kl

— deconbatch (@deconbatch) December 17, 2020

[ 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();

private:

	int select_index;
	int next_index;

	glm::vec3 location;
};

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 height, float width, float depth);

	ofEasyCam cam;
	vector<glm::vec3> location_list;
	vector<vector<int>> next_index_list;
	vector<int> destination_list;

	vector<unique_ptr<Actor>> actor_list;

	ofMesh face, frame;
};

#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();

private:

int select_index;

int next_index;

glm::vec3 location;

};

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 height, float width, float depth);

ofEasyCam cam;

vector<glm::vec3> location_list;

vector<vector<int>> next_index_list;

vector<int> destination_list;

vector<unique_ptr<Actor>> actor_list;

ofMesh face, frame;

};

#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;
}

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

	return this->location;
}

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

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

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

	ofFbo fbo;
	fbo.allocate(ofGetWidth(), ofGetHeight());
	fbo.begin();
	ofTranslate(ofGetWidth() * 0.5, ofGetHeight() * 0.45);
	ofClear(0);
	ofSetColor(0);

	ofTrueTypeFont font;
	ofTrueTypeFontSettings font_settings("fonts/Kazesawa-Bold.ttf", 195);
	font_settings.antialiased = true;	font_settings.addRanges(ofAlphabet::Japanese);
	font.load(font_settings);

	font.drawString(u8"花鳥", -250, 120);
	font.drawString(u8"風月", -250, 360);

	fbo.end();

	auto span = 10;
	ofPixels pixels;
	fbo.readToPixels(pixels);
	for (int x = 0; x < fbo.getWidth(); x += span) {

		for (int y = 0; y < fbo.getHeight(); y += span) {

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

				for (int z = span * -1; z <= span; z += span) {

					this->location_list.push_back(glm::vec3(x - ofGetWidth() * 0.5, ofGetHeight() - y - ofGetWidth() * 0.25, 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 <= span) {

				next_index.push_back(index);
			}
		}

		this->next_index_list.push_back(next_index);
	}

	for (int i = 0; i < 3500; i++) {

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

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

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

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

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

		this->setBoxToMesh(this->face, this->frame, actor->getLocation(), 10, 10, 10);
	}
}

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

	this->cam.begin();

	ofSetColor(239);
	this->face.draw();

	ofSetColor(39);
	this->frame.drawWireframe();

	this->cam.end();
}


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

	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);
}

//--------------------------------------------------------------
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;

}

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

glm::vec3 Actor::getLocation() {

return this->location;

}

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

void ofApp::setup() {

ofSetFrameRate(60);

ofSetWindowTitle("openFrameworks");

ofBackground(239);

ofEnableDepthTest();

ofSetLineWidth(2);

ofFbo fbo;

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

fbo.begin();

ofTranslate(ofGetWidth() * 0.5, ofGetHeight() * 0.45);

ofClear(0);

ofSetColor(0);

ofTrueTypeFont font;

ofTrueTypeFontSettings font_settings("fonts/Kazesawa-Bold.ttf", 195);

font_settings.antialiased = true; font_settings.addRanges(ofAlphabet::Japanese);

font.load(font_settings);

font.drawString(u8"花鳥", -250, 120);

font.drawString(u8"風月", -250, 360);

fbo.end();

auto span = 10;

ofPixels pixels;

fbo.readToPixels(pixels);

for (int x = 0; x < fbo.getWidth(); x += span) {

for (int y = 0; y < fbo.getHeight(); y += span) {

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

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

for (int z = span * -1; z <= span; z += span) {

this->location_list.push_back(glm::vec3(x - ofGetWidth() * 0.5, ofGetHeight() - y - ofGetWidth() * 0.25, 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 <= span) {

next_index.push_back(index);

}

this->next_index_list.push_back(next_index);

}

for (int i = 0; i < 3500; i++) {

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

}

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

}

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

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);

}

this->face.clear();

this->frame.clear();

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

this->setBoxToMesh(this->face, this->frame, actor->getLocation(), 10, 10, 10);

}

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

void ofApp::draw() {

this->cam.begin();

ofSetColor(239);

this->face.draw();

ofSetColor(39);

this->frame.drawWireframe();

this->cam.end();

}

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

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

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);

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20201218

2020年12月17日2020年12月17日

Kabuki-cho arc. Draw by openFrameworks

[ Video ]

[ About ]
Kabuki-cho arc.

[ Source ]

#pragma once
#include "ofMain.h"
#include "opencv2/opencv.hpp"

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;

	cv::VideoCapture cap;
	cv::Size cap_size;

	ofImage image;
	cv::Mat frame;
	vector<cv::Mat> frame_list;
	int number_of_frames;

	vector<ofMesh> face_list, line_list;

};

#pragma once

#include "ofMain.h"

#include "opencv2/opencv.hpp"

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;

cv::VideoCapture cap;

cv::Size cap_size;

ofImage image;

cv::Mat frame;

vector<cv::Mat> frame_list;

int number_of_frames;

vector<ofMesh> face_list, line_list;

};

#include "ofApp.h"

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

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

	ofBackground(239);
	ofEnableDepthTest();
	ofSetLineWidth(3);

	this->cap_size = cv::Size(960, 540);

	this->image.allocate(this->cap_size.width, this->cap_size.height, OF_IMAGE_COLOR);
	this->frame = cv::Mat(cv::Size(this->image.getWidth(), this->image.getHeight()), CV_MAKETYPE(CV_8UC3, this->image.getPixels().getNumChannels()), this->image.getPixels().getData(), 0);

	this->cap.open("D:\\MP4\\video11.mp4");
	this->number_of_frames = this->cap.get(cv::CAP_PROP_FRAME_COUNT);
	for (int i = 0; i < this->number_of_frames; i++) {

		cv::Mat src, tmp;
		this->cap >> src;
		if (src.empty()) {

			continue;
		}

		cv::resize(src, tmp, this->cap_size);
		cv::cvtColor(tmp, tmp, cv::COLOR_BGR2RGB);

		this->frame_list.push_back(tmp);
	}
}

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

	ofSeedRandom(39);

	int frame_index = ofGetFrameNum() % this->number_of_frames;
	this->frame_list[frame_index].copyTo(this->frame);
	this->image.update();

	this->face_list.clear();
	this->line_list.clear();

	float radius = 250;
	int deg_span = 3;
	int x_span = 60;
	for (int x = 0; x < this->cap_size.width; x += x_span) {

		ofMesh mesh, line;
		line.setMode(ofPrimitiveMode::OF_PRIMITIVE_LINES);
		float tmp_radius = radius;
		for (int deg = 0; deg < 180; deg += deg_span) {

			int start_index = 0;
			if (deg % 30 == 0) {

				auto noise_value = ofNoise(ofRandom(1000), ofGetFrameNum() * 0.01);
				tmp_radius = noise_value > 0.65 ? ofMap(noise_value, 0.65, 1, radius, radius * 2) : radius;

				if (deg > 0) {

					line.addIndex(start_index + 0); line.addIndex(start_index + 3);
					line.addIndex(line.getNumVertices() - 3); line.addIndex(line.getNumVertices() - 2);

					start_index = line.getNumVertices();
				}
			}

			int index = mesh.getNumVertices();
			
			vector<glm::vec3> vertices;
			vertices.push_back(glm::vec3(x - this->cap_size.width * 0.5, tmp_radius * cos(deg * DEG_TO_RAD), tmp_radius * sin(deg * DEG_TO_RAD)));
			vertices.push_back(glm::vec3(x - this->cap_size.width * 0.5, tmp_radius * cos((deg + deg_span) * DEG_TO_RAD), tmp_radius * sin((deg + deg_span) * DEG_TO_RAD)));
			vertices.push_back(glm::vec3(x + x_span - this->cap_size.width * 0.5, tmp_radius* cos((deg + deg_span) * DEG_TO_RAD), tmp_radius * sin((deg + deg_span) * DEG_TO_RAD)));
			vertices.push_back(glm::vec3(x + x_span - this->cap_size.width * 0.5, tmp_radius * cos(deg * DEG_TO_RAD), tmp_radius * sin(deg * DEG_TO_RAD)));

			mesh.addVertices(vertices);
			line.addVertices(vertices);

			int y = ofMap(deg, 0, 180, 0, this->cap_size.height);
			int next_y = ofMap(deg + deg_span, 0, 180, 0, this->cap_size.height);

			mesh.addTexCoord(glm::vec3(x, y, 0));
			mesh.addTexCoord(glm::vec3(x, next_y, 0));
			mesh.addTexCoord(glm::vec3(x + x_span, next_y, 0));
			mesh.addTexCoord(glm::vec3(x + x_span, y, 0));

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

			line.addIndex(index + 0); line.addIndex(index + 1);
			line.addIndex(index + 2); line.addIndex(index + 3);
		}

		this->face_list.push_back(mesh);
		this->line_list.push_back(line);
	}
}

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

	this->cam.begin();
	ofRotateY(35 * sin(ofGetFrameNum() * 0.015));
	ofRotateX(35 * sin(ofGetFrameNum() * 0.0075));


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

		float z = (this->face_list[i].getVertex(0).z + this->face_list[i].getVertex(2).z) / 2;

		this->image.bind();
		ofSetColor(255);
		this->face_list[i].draw();
		this->image.unbind();

		ofSetColor(39);
		this->line_list[i].drawWireframe();
	}

	this->cam.end();
}

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

ofSetLineWidth(3);

this->cap_size = cv::Size(960, 540);

this->image.allocate(this->cap_size.width, this->cap_size.height, OF_IMAGE_COLOR);

this->frame = cv::Mat(cv::Size(this->image.getWidth(), this->image.getHeight()), CV_MAKETYPE(CV_8UC3, this->image.getPixels().getNumChannels()), this->image.getPixels().getData(), 0);

this->cap.open("D:\\MP4\\video11.mp4");

this->number_of_frames = this->cap.get(cv::CAP_PROP_FRAME_COUNT);

for (int i = 0; i < this->number_of_frames; i++) {

cv::Mat src, tmp;

this->cap >> src;

if (src.empty()) {

continue;

}

cv::resize(src, tmp, this->cap_size);

cv::cvtColor(tmp, tmp, cv::COLOR_BGR2RGB);

this->frame_list.push_back(tmp);

}

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

void ofApp::update() {

ofSeedRandom(39);

int frame_index = ofGetFrameNum() % this->number_of_frames;

this->frame_list[frame_index].copyTo(this->frame);

this->image.update();

this->face_list.clear();

this->line_list.clear();

float radius = 250;

int deg_span = 3;

int x_span = 60;

for (int x = 0; x < this->cap_size.width; x += x_span) {

ofMesh mesh, line;

line.setMode(ofPrimitiveMode::OF_PRIMITIVE_LINES);

float tmp_radius = radius;

for (int deg = 0; deg < 180; deg += deg_span) {

int start_index = 0;

if (deg % 30 == 0) {

auto noise_value = ofNoise(ofRandom(1000), ofGetFrameNum() * 0.01);

tmp_radius = noise_value > 0.65 ? ofMap(noise_value, 0.65, 1, radius, radius * 2) : radius;

if (deg > 0) {

line.addIndex(start_index + 0); line.addIndex(start_index + 3);

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

start_index = line.getNumVertices();

}

int index = mesh.getNumVertices();

vector<glm::vec3> vertices;

vertices.push_back(glm::vec3(x - this->cap_size.width * 0.5, tmp_radius * cos(deg * DEG_TO_RAD), tmp_radius * sin(deg * DEG_TO_RAD)));

vertices.push_back(glm::vec3(x - this->cap_size.width * 0.5, tmp_radius * cos((deg + deg_span) * DEG_TO_RAD), tmp_radius * sin((deg + deg_span) * DEG_TO_RAD)));

vertices.push_back(glm::vec3(x + x_span - this->cap_size.width * 0.5, tmp_radius* cos((deg + deg_span) * DEG_TO_RAD), tmp_radius * sin((deg + deg_span) * DEG_TO_RAD)));

vertices.push_back(glm::vec3(x + x_span - this->cap_size.width * 0.5, tmp_radius * cos(deg * DEG_TO_RAD), tmp_radius * sin(deg * DEG_TO_RAD)));

mesh.addVertices(vertices);

line.addVertices(vertices);

int y = ofMap(deg, 0, 180, 0, this->cap_size.height);

int next_y = ofMap(deg + deg_span, 0, 180, 0, this->cap_size.height);

mesh.addTexCoord(glm::vec3(x, y, 0));

mesh.addTexCoord(glm::vec3(x, next_y, 0));

mesh.addTexCoord(glm::vec3(x + x_span, next_y, 0));

mesh.addTexCoord(glm::vec3(x + x_span, y, 0));

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

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

line.addIndex(index + 0); line.addIndex(index + 1);

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

}

this->face_list.push_back(mesh);

this->line_list.push_back(line);

}

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

void ofApp::draw() {

this->cam.begin();

ofRotateY(35 * sin(ofGetFrameNum() * 0.015));

ofRotateX(35 * sin(ofGetFrameNum() * 0.0075));

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

float z = (this->face_list[i].getVertex(0).z + this->face_list[i].getVertex(2).z) / 2;

this->image.bind();

ofSetColor(255);

this->face_list[i].draw();

this->image.unbind();

ofSetColor(39);

this->line_list[i].drawWireframe();

}

this->cam.end();

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20201217

https://www.pexels.com/video/people-walking-around-the-city-during-night-3360906/

2020年12月
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