RandomWalk – ページ 83 – プログラミング de 落描き

2020年3月21日

100 frame random workers. openframeworks

[ Video ]

[ About ]
100フレーム後に死ぬランダムウォーク。

100 frame random workers.

[ Source ]

#pragma once
#include "ofMain.h"
#include "Actor.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) {};

	ofEasyCam cam;

	vector<glm::vec3> location_list;
	vector<vector<int>> next_index_list;

	vector<unique_ptr<Actor>> actor_list;
};

#pragma once

#include "ofMain.h"

#include "Actor.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) {};

ofEasyCam cam;

vector<glm::vec3> location_list;

vector<vector<int>> next_index_list;

vector<unique_ptr<Actor>> actor_list;

};

#include "ofApp.h"	

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

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

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

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

		for (int y = -200; y <= 200; 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);
	}
}


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

	int frame_span = 15;
	int prev_index_size = 0;

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

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

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

	for (int i = this->actor_list.size() - 1; i >= 0; i--) {

		if (this->actor_list[i]->isDead()) {

			this->actor_list.erase(this->actor_list.begin() + i);
		}
	}
}

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

	this->cam.begin();
	ofRotate(90);
	ofRotateY(180);

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

		actor->draw();
	}

	this->cam.end();
}

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

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

#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(60);

ofSetWindowTitle("openFrameworks");

ofBackground(239);

ofSetLineWidth(2);

ofEnableDepthTest();

auto span = 20;

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

for (int y = -200; y <= 200; 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);

}

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

void ofApp::update() {

int frame_span = 15;

int prev_index_size = 0;

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

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

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

}

for (int i = this->actor_list.size() - 1; i >= 0; i--) {

if (this->actor_list[i]->isDead()) {

this->actor_list.erase(this->actor_list.begin() + i);

}

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

void ofApp::draw() {

this->cam.begin();

ofRotate(90);

ofRotateY(180);

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

actor->draw();

}

this->cam.end();

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

#pragma once
#include "ofMain.h"

class Actor {
public:
	Actor(vector<glm::vec3>& location_list, vector<vector<int>>& next_index_list);
	void update(int& frame_span, vector<glm::vec3>& location_list, vector<vector<int>>& next_index_list);
	void draw();

	bool isDead();

private:

	int select_index;
	int next_index;
	int life;

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

#pragma once

#include "ofMain.h"

class Actor {

public:

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

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

void draw();

bool isDead();

private:

int select_index;

int next_index;

int life;

glm::vec3 location;

std::deque<glm::vec3> log;

};

#include "Actor.h"

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

	this->select_index = ofRandom(location_list.size());
	this->next_index = this->select_index;
	this->life = 100;
}

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

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

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

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

	this->log.push_front(this->location);
	while (this->log.size() > 50) { this->log.pop_back(); }

	this->life--;
}

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

	ofSetColor(39);
	ofFill();
	ofDrawCircle(this->log.front(), 3);

	ofNoFill();
	ofBeginShape();
	for (auto& l : this->log) {

		ofVertex(l);
	}
	ofEndShape();
}

//--------------------------------------------------------------
bool Actor::isDead() {

	return this->life < 0;
}

#include "Actor.h"

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

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

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

this->next_index = this->select_index;

this->life = 100;

}

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

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

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

this->select_index = this->next_index;

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

}

auto param = ofGetFrameNum() % frame_span;

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

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

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

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

this->life--;

}

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

void Actor::draw() {

ofSetColor(39);

ofFill();

ofDrawCircle(this->log.front(), 3);

ofNoFill();

ofBeginShape();

for (auto& l : this->log) {

ofVertex(l);

}

ofEndShape();

}

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

bool Actor::isDead() {

return this->life < 0;

}

[ Link ]
https://github.com/junkiyoshi/Insta20200321

2020年3月18日2020年3月18日

Random walk of rod & camera tracking. openFrameworks

[ Video ]

[ About ]
棒状のランダムウォークとカメラ追従。

Random walk of rod & camera tracking.

[ 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);
	ofSetLineWidth(2);
	ofEnableDepthTest();
	
	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));

	for (int i = 0; i < 300; i++) {

		auto location = glm::vec3(
			ofMap(ofNoise(noise_seed.x, (i + ofGetFrameNum()) * 0.01), 0, 1, -500, 500),
			ofMap(ofNoise(noise_seed.y, (i + ofGetFrameNum()) * 0.01), 0, 1, -500, 500),
			ofMap(ofNoise(noise_seed.z, (i + ofGetFrameNum()) * 0.01), 0, 1, -500, 500));

		vector<glm::vec3> vertices;
		vertices.push_back(location + glm::vec3(-20, -20, 0));
		vertices.push_back(location + glm::vec3( 20, -20, 0));
		vertices.push_back(location + glm::vec3( 20,  20, 0));
		vertices.push_back(location + glm::vec3(-20,  20, 0));

		int face_index = this->face.getNumVertices() - vertices.size();
		int frame_index = this->frame.getNumVertices() - vertices.size();

		this->face.addVertices(vertices);		
		if (face_index >= 0) {

			this->face.addIndex(face_index + 0); this->face.addIndex(face_index + 1); this->face.addIndex(face_index + 5);
			this->face.addIndex(face_index + 0); this->face.addIndex(face_index + 5); this->face.addIndex(face_index + 4);

			this->face.addIndex(face_index + 3); this->face.addIndex(face_index + 2); this->face.addIndex(face_index + 6);
			this->face.addIndex(face_index + 3); this->face.addIndex(face_index + 6); this->face.addIndex(face_index + 7);

			this->face.addIndex(face_index + 1); this->face.addIndex(face_index + 2); this->face.addIndex(face_index + 6);
			this->face.addIndex(face_index + 1); this->face.addIndex(face_index + 6); this->face.addIndex(face_index + 5);

			this->face.addIndex(face_index + 0); this->face.addIndex(face_index + 3); this->face.addIndex(face_index + 7);
			this->face.addIndex(face_index + 0); this->face.addIndex(face_index + 7); this->face.addIndex(face_index + 4);
		}

		this->frame.addVertices(vertices);
		if (frame_index > 0) {

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

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

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

	int face_index = this->face.getNumVertices() - 4;
	int frame_index = this->frame.getNumVertices() - 4;

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

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

//--------------------------------------------------------------
void ofApp::draw() {
	
	auto target = this->face.getVertex(this->face.getNumVertices() - 1);
	auto camera_location = this->face.getVertex(0) + glm::vec3(0, 0, 660);

	this->cam.setPosition(camera_location);
	this->cam.setTarget(target);
	this->cam.lookAt(target);

	this->cam.begin();

	ofSetColor(39);
	this->face.drawFaces();

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

	this->cam.end();
}

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

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

100

101

102

103

104

105

106

107

108

109

110

111

112

113

114

#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(60);

ofSetWindowTitle("openframeworks");

ofBackground(239);

ofSetLineWidth(2);

ofEnableDepthTest();

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));

for (int i = 0; i < 300; i++) {

auto location = glm::vec3(

ofMap(ofNoise(noise_seed.x, (i + ofGetFrameNum()) * 0.01), 0, 1, -500, 500),

ofMap(ofNoise(noise_seed.y, (i + ofGetFrameNum()) * 0.01), 0, 1, -500, 500),

ofMap(ofNoise(noise_seed.z, (i + ofGetFrameNum()) * 0.01), 0, 1, -500, 500));

vector<glm::vec3> vertices;

vertices.push_back(location + glm::vec3(-20, -20, 0));

vertices.push_back(location + glm::vec3( 20, -20, 0));

vertices.push_back(location + glm::vec3( 20, 20, 0));

vertices.push_back(location + glm::vec3(-20, 20, 0));

int face_index = this->face.getNumVertices() - vertices.size();

int frame_index = this->frame.getNumVertices() - vertices.size();

this->face.addVertices(vertices);

if (face_index >= 0) {

this->face.addIndex(face_index + 0); this->face.addIndex(face_index + 1); this->face.addIndex(face_index + 5);

this->face.addIndex(face_index + 0); this->face.addIndex(face_index + 5); this->face.addIndex(face_index + 4);

this->face.addIndex(face_index + 3); this->face.addIndex(face_index + 2); this->face.addIndex(face_index + 6);

this->face.addIndex(face_index + 3); this->face.addIndex(face_index + 6); this->face.addIndex(face_index + 7);

this->face.addIndex(face_index + 1); this->face.addIndex(face_index + 2); this->face.addIndex(face_index + 6);

this->face.addIndex(face_index + 1); this->face.addIndex(face_index + 6); this->face.addIndex(face_index + 5);

this->face.addIndex(face_index + 0); this->face.addIndex(face_index + 3); this->face.addIndex(face_index + 7);

this->face.addIndex(face_index + 0); this->face.addIndex(face_index + 7); this->face.addIndex(face_index + 4);

}

this->frame.addVertices(vertices);

if (frame_index > 0) {

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

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

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

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

}

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

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

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

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

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

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

int face_index = this->face.getNumVertices() - 4;

int frame_index = this->frame.getNumVertices() - 4;

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

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

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

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

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

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

}

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

void ofApp::draw() {

auto target = this->face.getVertex(this->face.getNumVertices() - 1);

auto camera_location = this->face.getVertex(0) + glm::vec3(0, 0, 660);

this->cam.setPosition(camera_location);

this->cam.setTarget(target);

this->cam.lookAt(target);

this->cam.begin();

ofSetColor(39);

this->face.drawFaces();

ofSetColor(255);

this->frame.drawWireframe();

this->cam.end();

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20200318

2020年2月21日2020年2月21日

Video split and random walk. openFrameworks

[ Video ]

[ About ]
動画を分割してランダムウォーク。

Video split and random walk.

[ Source ]

#pragma once
#include "ofMain.h"
#include "Actor.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;
	ofBoxPrimitive box;

	cv::VideoCapture cap;
	cv::Size cap_size;
	cv::Mat frame;
	float rect_size;
	vector<cv::Mat> rect_frames;
	vector<unique_ptr<ofImage>> rect_images;
	vector<cv::Rect> cv_rects;

	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"

#include "Actor.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;

ofBoxPrimitive box;

cv::VideoCapture cap;

cv::Size cap_size;

cv::Mat frame;

float rect_size;

vector<cv::Mat> rect_frames;

vector<unique_ptr<ofImage>> rect_images;

vector<cv::Rect> cv_rects;

vector<glm::vec3> location_list;

vector<vector<int>> next_index_list;

vector<int> destination_list;

vector<unique_ptr<Actor>> actor_list;

};

#include "ofApp.h"

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

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

	ofBackground(239);
	ofEnableDepthTest();
	ofDisableArbTex();

	this->cap.open("D:\\video\\image58.mp4");
	this->cap_size = cv::Size(640, 360);

	this->rect_size = 40;
	for (int x = 0; x < this->cap_size.width; x += this->rect_size) {

		for (int y = 0; y < this->cap_size.height; y += this->rect_size) {

			auto image = make_unique<ofImage>();
			image->allocate(this->rect_size, this->rect_size, OF_IMAGE_COLOR);
			cv::Mat frame = cv::Mat(cv::Size(image->getWidth(), image->getHeight()), CV_MAKETYPE(CV_8UC3, image->getPixels().getNumChannels()), image->getPixels().getData(), 0);
			cv::Rect rect = cv::Rect(x, y, this->rect_size, this->rect_size);

			this->rect_images.push_back(move(image));
			this->rect_frames.push_back(frame);
			this->cv_rects.push_back(rect);
		}
	}

	this->box.set(this->rect_size - 1);
	for (int x = -140; x <= 140; x += this->rect_size) {

		for (int y = -140; y <= 140; y += this->rect_size) {

			for (int z = -140; z <= 140; z += this->rect_size) {
			
				this->location_list.push_back(glm::vec3(x, y, z));
			}
		}
	}

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

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

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

			float distance = glm::distance(location, other);
			if (distance <= this->rect_size) {

				next_index.push_back(index);
			}
		}

		this->next_index_list.push_back(next_index);
	}

	for (int i = 0; i < this->rect_frames.size(); i++) {
	
		this->actor_list.push_back(make_unique<Actor>(this->location_list, this->next_index_list, this->destination_list));
	}
}

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

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

		this->cap.set(cv::CAP_PROP_POS_FRAMES, 1);
		return;
	}

	cv::resize(src, this->frame, this->cap_size);
	cv::cvtColor(this->frame, this->frame, cv::COLOR_BGR2RGB);
	for (int i = 0; i < this->rect_images.size(); i++) {

		cv::Mat tmp_box_image(this->frame, this->cv_rects[i]);
		tmp_box_image.copyTo(this->rect_frames[i]);

		this->rect_images[i]->update();
	}

	int frame_span = 15;
	int prev_index_size = 0;
	if (ofGetFrameNum() % frame_span == 0) {

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

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

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

	if (prev_index_size != 0) {

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

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

	this->cam.begin();

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

		ofSetColor(255);
		ofFill();
		this->rect_images[i]->getTexture().bind();
		ofDrawBox(this->actor_list[i]->getLocation(), this->rect_size);
		this->rect_images[i]->getTexture().unbind();

		ofSetColor(239);
		ofNoFill();
		ofDrawBox(this->actor_list[i]->getLocation(), this->rect_size);
	}

	this->cam.end();
}

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

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

100

101

102

103

104

105

106

107

108

109

110

111

112

113

114

115

116

117

118

119

120

121

122

123

124

125

126

127

128

129

130

131

132

133

134

#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(30);

ofSetWindowTitle("openFrameworks");

ofBackground(239);

ofEnableDepthTest();

ofDisableArbTex();

this->cap.open("D:\\video\\image58.mp4");

this->cap_size = cv::Size(640, 360);

this->rect_size = 40;

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

for (int y = 0; y < this->cap_size.height; y += this->rect_size) {

auto image = make_unique<ofImage>();

image->allocate(this->rect_size, this->rect_size, OF_IMAGE_COLOR);

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

cv::Rect rect = cv::Rect(x, y, this->rect_size, this->rect_size);

this->rect_images.push_back(move(image));

this->rect_frames.push_back(frame);

this->cv_rects.push_back(rect);

}

this->box.set(this->rect_size - 1);

for (int x = -140; x <= 140; x += this->rect_size) {

for (int y = -140; y <= 140; y += this->rect_size) {

for (int z = -140; z <= 140; z += this->rect_size) {

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

}

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

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

int index = -1;

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

index++;

if (location == other) { continue; }

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

if (distance <= this->rect_size) {

next_index.push_back(index);

}

this->next_index_list.push_back(next_index);

}

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

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

}

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

void ofApp::update() {

cv::Mat src;

this->cap >> src;

if (src.empty()) {

this->cap.set(cv::CAP_PROP_POS_FRAMES, 1);

return;

}

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

cv::cvtColor(this->frame, this->frame, cv::COLOR_BGR2RGB);

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

cv::Mat tmp_box_image(this->frame, this->cv_rects[i]);

tmp_box_image.copyTo(this->rect_frames[i]);

this->rect_images[i]->update();

}

int frame_span = 15;

int prev_index_size = 0;

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

prev_index_size = this->destination_list.size();

}

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

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

}

if (prev_index_size != 0) {

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

}

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

void ofApp::draw() {

this->cam.begin();

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

ofSetColor(255);

ofFill();

this->rect_images[i]->getTexture().bind();

ofDrawBox(this->actor_list[i]->getLocation(), this->rect_size);

this->rect_images[i]->getTexture().unbind();

ofSetColor(239);

ofNoFill();

ofDrawBox(this->actor_list[i]->getLocation(), this->rect_size);

}

this->cam.end();

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

#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(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;
};

#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(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;

};

#include "Actor.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(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;
}

#include "Actor.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(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;

}

[ Link ]

2025年4月
月	火	水	木	金	土	日
	1	2	3	4	5	6
7	8	9	10	11	12	13
14	15	16	17	18	19	20
21	22	23	24	25	26	27
28	29	30