ofMesh – ページ 180 – プログラミング de 落描き

2020年6月10日2020年6月10日

Split and bend the video. Draw by openFrameworks

[ Video ]

[ About ]
動画データを分割して、それぞれをひん曲げる。

Split and bend the video.

元動画：https://www.pexels.com/video/drawing-a-large-heart-figure-on-the-sand-of-a-seashore-3094026/

[ 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<ofMesh> mesh_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<ofMesh> mesh_list;

};

#include "ofApp.h"

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

	ofSetFrameRate(30);
	ofSetWindowTitle("openFrameworks");

	ofBackground(239);
	ofSetColor(255);
	ofEnableDepthTest();

	this->cap.open("D:\\MP4\\video5.mp4");
	this->cap_size = cv::Size(1280, 720);

	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);
}

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

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

		this->cap.set(cv::CAP_PROP_POS_FRAMES, 0);
		return;
	}

	cv::cvtColor(src, src, cv::COLOR_BGR2RGB);
	cv::resize(src, this->frame, this->cap_size);
	
	this->image.update();

	this->mesh_list.clear();

	int x_span = 80;
	int y_span = 5;
	for (int x = this->cap_size.width * -0.5; x < this->cap_size.width * 0.5; x += x_span) {

		ofMesh mesh;
		for (int y = this->cap_size.height * -0.5; y < this->cap_size.height * 0.5; y += y_span) {

			int index = mesh.getNumVertices();

			float z = ofMap(ofNoise(x * 0.01, y * 0.0015 + ofGetFrameNum() * 0.02), 0, 1, -100, 100);
			float next_z = ofMap(ofNoise(x * 0.01, (y + y_span) * 0.0015 + ofGetFrameNum() * 0.02), 0, 1, -100, 100);

			mesh.addVertex(glm::vec3(x, y, z));
			mesh.addVertex(glm::vec3(x + x_span, y, z));
			mesh.addVertex(glm::vec3(x + x_span, y + y_span, next_z));
			mesh.addVertex(glm::vec3(x, y + y_span, next_z));

			mesh.addTexCoord(glm::vec3(x + this->cap_size.width  * 0.5, y + this->cap_size.height * 0.5, 0));
			mesh.addTexCoord(glm::vec3(x + x_span + this->cap_size.width  * 0.5, y + this->cap_size.height * 0.5, 0));
			mesh.addTexCoord(glm::vec3(x + x_span + this->cap_size.width  * 0.5, y + y_span + this->cap_size.height * 0.5, 0));
			mesh.addTexCoord(glm::vec3(x + this->cap_size.width  * 0.5, y + y_span + this->cap_size.height * 0.5, 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);
		}

		this->mesh_list.push_back(mesh);
	}
}

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

	this->cam.begin();
	ofRotateX(180);

	for (auto& mesh : this->mesh_list) {

		this->image.bind();
		mesh.draw();
		this->image.unbind();
	}

	this->cam.end();
}

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

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

#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(30);

ofSetWindowTitle("openFrameworks");

ofBackground(239);

ofSetColor(255);

ofEnableDepthTest();

this->cap.open("D:\\MP4\\video5.mp4");

this->cap_size = cv::Size(1280, 720);

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);

}

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

void ofApp::update() {

cv::Mat src;

this->cap >> src;

if (src.empty()) {

this->cap.set(cv::CAP_PROP_POS_FRAMES, 0);

return;

}

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

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

this->image.update();

this->mesh_list.clear();

int x_span = 80;

int y_span = 5;

for (int x = this->cap_size.width * -0.5; x < this->cap_size.width * 0.5; x += x_span) {

ofMesh mesh;

for (int y = this->cap_size.height * -0.5; y < this->cap_size.height * 0.5; y += y_span) {

int index = mesh.getNumVertices();

float z = ofMap(ofNoise(x * 0.01, y * 0.0015 + ofGetFrameNum() * 0.02), 0, 1, -100, 100);

float next_z = ofMap(ofNoise(x * 0.01, (y + y_span) * 0.0015 + ofGetFrameNum() * 0.02), 0, 1, -100, 100);

mesh.addVertex(glm::vec3(x, y, z));

mesh.addVertex(glm::vec3(x + x_span, y, z));

mesh.addVertex(glm::vec3(x + x_span, y + y_span, next_z));

mesh.addVertex(glm::vec3(x, y + y_span, next_z));

mesh.addTexCoord(glm::vec3(x + this->cap_size.width * 0.5, y + this->cap_size.height * 0.5, 0));

mesh.addTexCoord(glm::vec3(x + x_span + this->cap_size.width * 0.5, y + this->cap_size.height * 0.5, 0));

mesh.addTexCoord(glm::vec3(x + x_span + this->cap_size.width * 0.5, y + y_span + this->cap_size.height * 0.5, 0));

mesh.addTexCoord(glm::vec3(x + this->cap_size.width * 0.5, y + y_span + this->cap_size.height * 0.5, 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);

}

this->mesh_list.push_back(mesh);

}

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

void ofApp::draw() {

this->cam.begin();

ofRotateX(180);

for (auto& mesh : this->mesh_list) {

this->image.bind();

mesh.draw();

this->image.unbind();

}

this->cam.end();

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20200610

2020年6月9日2020年6月9日

Two random walk groups. Draw by openFrameworks

[ Video ]

[ About ]
二つのランダムウォークグループ。

Two random walk groups.

[ 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,  pair<ofColor, ofColor> colors);
	void setBoxToMesh(ofMesh& face_target, ofMesh& frame_target, glm::vec3 location, float height, float width, float depth, pair<ofColor, ofColor> colors);

	ofEasyCam cam;
	ofMesh face, frame;

	vector<glm::vec3> location_list;
	vector<pair<ofColor, ofColor>> colors_list;
	vector<int> param_list;
	vector<vector<int>> route_info_list;

	vector<int> index_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, pair<ofColor, ofColor> colors);

void setBoxToMesh(ofMesh& face_target, ofMesh& frame_target, glm::vec3 location, float height, float width, float depth, pair<ofColor, ofColor> colors);

ofEasyCam cam;

ofMesh face, frame;

vector<glm::vec3> location_list;

vector<pair<ofColor, ofColor>> colors_list;

vector<int> param_list;

vector<vector<int>> route_info_list;

vector<int> index_list;

};

#include "ofApp.h"

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

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

	ofBackground(239);
	ofEnableDepthTest();

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

	int span = 20;
	for (int x = -180; x <= 180; x += span) {

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

			for (int z = -180; z <= 180; z += span) {

				bool x_flag = x < -140 || x > 140;
				bool y_flag = y < -140 || y > 140;
				bool z_flag = z < -140 || z > 140;

				if (((x_flag || y_flag) && z_flag) || ((y_flag || z_flag) && x_flag)) {

					for (int tmp_x = -180; tmp_x <= 180; tmp_x += 360) {

						for (int tmp_y = -180; tmp_y <= 180; tmp_y += 360) {

							for (int tmp_z = -180; tmp_z <= 180; tmp_z += 360) {

								this->location_list.push_back(glm::vec3(x + tmp_x, y + tmp_y, z + tmp_z));
								this->colors_list.push_back(make_pair<ofColor, ofColor>(ofColor(39), ofColor(239, 39, 39)));
								this->param_list.push_back(0);
							}
						}
					}
				}
			}
		}
	}

	for (int x = -250; x <= 250; x += span) {

		for (int y = -250; y <= 250; y += span) {

			for (int z = -250; z <= 250; z += span) {

				bool x_flag = x < -180 || x > 180;
				bool y_flag = y < -180 || y > 180;
				bool z_flag = z < -180 || z > 180;

				if (((x_flag || y_flag) && z_flag) || ((y_flag || z_flag) && x_flag)) {

					this->location_list.push_back(glm::vec3(x, y, z));
					this->colors_list.push_back(make_pair<ofColor, ofColor>(ofColor(239, 39, 39), ofColor(39)));
					this->param_list.push_back(0);
				}
			}
		}
	}

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

		vector<int> route_info = 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) {

				route_info.push_back(index);
			}
		}

		this->route_info_list.push_back(route_info);
	}

	for (int i = 0; i < 200; i++) {

		this->index_list.push_back((int)ofRandom(this->location_list.size()));
	}
}

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

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

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

		int tmp_index = (int)ofRandom(this->route_info_list[this->index_list[i]].size());
		for (int k = 0; k < this->route_info_list[this->index_list[i]].size(); k++) {

			int next_index = this->route_info_list[this->index_list[i]][(tmp_index + k) % this->route_info_list[this->index_list[i]].size()];
			if (this->param_list[next_index] <= 0) {

				this->param_list[next_index] = 60;
				this->index_list[i] = next_index;
				break;
			}
		}
	}

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

		if (this->param_list[i] > 0) {

			this->setBoxToMesh(this->face, this->frame, this->location_list[i], 20, this->colors_list[i]);
		}

		if (this->param_list[i] > 0) { this->param_list[i] -= 1; }
	}
}

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

	this->cam.begin();
	ofRotateY(ofGetFrameNum() * 0.55);
	ofRotateX(ofGetFrameNum() * 0.35);

	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 size, pair<ofColor, ofColor> colors) {

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

		face_target.addColor(colors.first);
		frame_target.addColor(colors.second);
	}
}

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

int span = 20;

for (int x = -180; x <= 180; x += span) {

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

for (int z = -180; z <= 180; z += span) {

bool x_flag = x < -140 || x > 140;

bool y_flag = y < -140 || y > 140;

bool z_flag = z < -140 || z > 140;

if (((x_flag || y_flag) && z_flag) || ((y_flag || z_flag) && x_flag)) {

for (int tmp_x = -180; tmp_x <= 180; tmp_x += 360) {

for (int tmp_y = -180; tmp_y <= 180; tmp_y += 360) {

for (int tmp_z = -180; tmp_z <= 180; tmp_z += 360) {

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

this->colors_list.push_back(make_pair<ofColor, ofColor>(ofColor(39), ofColor(239, 39, 39)));

this->param_list.push_back(0);

}

for (int x = -250; x <= 250; x += span) {

for (int y = -250; y <= 250; y += span) {

for (int z = -250; z <= 250; z += span) {

bool x_flag = x < -180 || x > 180;

bool y_flag = y < -180 || y > 180;

bool z_flag = z < -180 || z > 180;

if (((x_flag || y_flag) && z_flag) || ((y_flag || z_flag) && x_flag)) {

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

this->colors_list.push_back(make_pair<ofColor, ofColor>(ofColor(239, 39, 39), ofColor(39)));

this->param_list.push_back(0);

}

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

vector<int> route_info = 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) {

route_info.push_back(index);

}

this->route_info_list.push_back(route_info);

}

for (int i = 0; i < 200; i++) {

this->index_list.push_back((int)ofRandom(this->location_list.size()));

}

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

void ofApp::update() {

this->face.clear();

this->frame.clear();

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

int tmp_index = (int)ofRandom(this->route_info_list[this->index_list[i]].size());

for (int k = 0; k < this->route_info_list[this->index_list[i]].size(); k++) {

int next_index = this->route_info_list[this->index_list[i]][(tmp_index + k) % this->route_info_list[this->index_list[i]].size()];

if (this->param_list[next_index] <= 0) {

this->param_list[next_index] = 60;

this->index_list[i] = next_index;

break;

}

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

if (this->param_list[i] > 0) {

this->setBoxToMesh(this->face, this->frame, this->location_list[i], 20, this->colors_list[i]);

}

if (this->param_list[i] > 0) { this->param_list[i] -= 1; }

}

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

void ofApp::draw() {

this->cam.begin();

ofRotateY(ofGetFrameNum() * 0.55);

ofRotateX(ofGetFrameNum() * 0.35);

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 size, pair<ofColor, ofColor> colors) {

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

}

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

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

int face_index = face_target.getNumVertices();

int frame_index = frame_target.getNumVertices();

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

face_target.addColor(colors.first);

frame_target.addColor(colors.second);

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20200609

2020年6月8日

Random walk on 27 cubes. Draw by openFrameworks

[ Video ]

[ About ]
3 * 3 * 3 のキューブのフレーム上をランダムウォーク。

Random walk on 27 cubes.

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

	ofEasyCam cam;
	ofMesh face, frame;

	vector<glm::vec3> location_list;
	vector<int> param_list;
	vector<vector<int>> route_info_list;

	vector<int> index_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);

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

ofEasyCam cam;

ofMesh face, frame;

vector<glm::vec3> location_list;

vector<int> param_list;

vector<vector<int>> route_info_list;

vector<int> index_list;

};

#include "ofApp.h"

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

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

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

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

	int span = 20;
	for (int x = -200; x <= 200; x += span) {

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

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

				bool x_flag = x < -140 || x > 140;
				bool y_flag = y < -140 || y > 140;
				bool z_flag = z < -140 || z > 140;

				if (((x_flag || y_flag) && z_flag) || ((y_flag || z_flag) && x_flag)) {

					for (int tmp_x = -400; tmp_x <= 400; tmp_x += 400) {

						for (int tmp_y = -400; tmp_y <= 400; tmp_y += 400) {

							for (int tmp_z = -400; tmp_z <= 400; tmp_z += 400) {

								this->location_list.push_back(glm::vec3(x + tmp_x, y + tmp_y, z + tmp_z));
								this->param_list.push_back(0);
							}
						}
					}
				}
			}
		}
	}

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

		vector<int> route_info = 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) {

				route_info.push_back(index);
			}
		}

		this->route_info_list.push_back(route_info);
	}

	for (int i = 0; i < 650; i++) {

		this->index_list.push_back((int)ofRandom(this->location_list.size()));
	}
}

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

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

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

		int next_index = this->route_info_list[this->index_list[i]][(int)ofRandom(this->route_info_list[this->index_list[i]].size())];
		for (int k = 0; k < this->route_info_list[this->index_list[i]].size(); k++) {

			if (this->param_list[next_index] <= 0) {

				this->param_list[next_index] = 30;
				this->index_list[i] = next_index;
				break;
			}
		}
	}

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

		if (this->param_list[i] > 0) {

			this->setBoxToMesh(this->face, this->frame, this->location_list[i], 20);
		}

		if (this->param_list[i] > 0) { this->param_list[i] -= 1; }
	}
}

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

	this->cam.begin();
	ofRotateX(ofGetFrameNum() * 0.5);
	ofRotateY(ofGetFrameNum() * 0.32);

	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 size) {

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(60);

ofSetWindowTitle("openFrameworks");

ofBackground(239);

ofSetLineWidth(3);

ofEnableDepthTest();

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

int span = 20;

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

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

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

bool x_flag = x < -140 || x > 140;

bool y_flag = y < -140 || y > 140;

bool z_flag = z < -140 || z > 140;

if (((x_flag || y_flag) && z_flag) || ((y_flag || z_flag) && x_flag)) {

for (int tmp_x = -400; tmp_x <= 400; tmp_x += 400) {

for (int tmp_y = -400; tmp_y <= 400; tmp_y += 400) {

for (int tmp_z = -400; tmp_z <= 400; tmp_z += 400) {

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

this->param_list.push_back(0);

}

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

vector<int> route_info = 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) {

route_info.push_back(index);

}

this->route_info_list.push_back(route_info);

}

for (int i = 0; i < 650; i++) {

this->index_list.push_back((int)ofRandom(this->location_list.size()));

}

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

void ofApp::update() {

this->face.clear();

this->frame.clear();

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

int next_index = this->route_info_list[this->index_list[i]][(int)ofRandom(this->route_info_list[this->index_list[i]].size())];

for (int k = 0; k < this->route_info_list[this->index_list[i]].size(); k++) {

if (this->param_list[next_index] <= 0) {

this->param_list[next_index] = 30;

this->index_list[i] = next_index;

break;

}

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

if (this->param_list[i] > 0) {

this->setBoxToMesh(this->face, this->frame, this->location_list[i], 20);

}

if (this->param_list[i] > 0) { this->param_list[i] -= 1; }

}

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

void ofApp::draw() {

this->cam.begin();

ofRotateX(ofGetFrameNum() * 0.5);

ofRotateY(ofGetFrameNum() * 0.32);

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 size) {

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

}

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

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