openframeworks – ページ 434 – プログラミング de 落描き

2020年1月18日

Face identification and character mask. openFrameworks

[ Video ]

[ About ]
OpenCVで顔識別して、顔エリアのサイズの絵を描いてマスクする。

Face identification and character mask.

[ 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 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) {};

	cv::Size cap_size;
	cv::VideoCapture cap;
	cv::Mat frame;
	ofImage image;
	ofFbo fbo;
	ofTrueTypeFont font;
	cv::CascadeClassifier face_cascade;
};

#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 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) {};

cv::Size cap_size;

cv::VideoCapture cap;

cv::Mat frame;

ofImage image;

ofFbo fbo;

ofTrueTypeFont font;

cv::CascadeClassifier face_cascade;

};

#include "ofApp.h"

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

	ofSetFrameRate(30);
	ofSetWindowTitle("openframeworks");

	ofBackground(0);

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

	this->cap.open(0);
	this->cap.set(cv::CAP_PROP_FPS, 30);
	this->cap.set(cv::CAP_PROP_FRAME_WIDTH, this->cap_size.width);
	this->cap.set(cv::CAP_PROP_FRAME_HEIGHT, this->cap_size.height);

	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->face_cascade.load("D:\\opencv_4.1.2\\build\\install\\etc\\haarcascades\\haarcascade_frontalface_alt2.xml");

	this->fbo.allocate(this->cap_size.width, this->cap_size.height);
	this->font.loadFont("fonts/Kazesawa-Bold.ttf", 15, true, true, true);
}

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

	this->cap >> this->frame;
	cv::cvtColor(this->frame, this->frame, cv::COLOR_BGR2RGB);
	cv::flip(this->frame, this->frame, 1);
	this->image.update();

	cv::Mat gray_frame, small_frame;
	cv::cvtColor(this->frame, gray_frame, cv::COLOR_RGB2GRAY);
	cv::resize(gray_frame, small_frame, cv::Size(this->cap_size.width * 0.5, this->cap_size.height * 0.5));

	vector<cv::Rect> faces;
	this->face_cascade.detectMultiScale(small_frame, faces);

	int face_count = 0;
	glm::vec2 face_location, face_size;
	float max_area = 0.f;
	for (cv::Rect r : faces) {

		auto tmp_face_location = glm::vec2(r.x * 2.f, r.y * 2.f);
		auto tmp_face_size = glm::vec2(r.width * 2, r.height * 2);
		auto area = tmp_face_size.x * tmp_face_size.y;
		if (area > max_area) {

			face_location = tmp_face_location;
			face_size = tmp_face_size;
		}
	}

	this->fbo.begin();
	ofClear(0);

	for (int x = face_location.x; x < face_location.x + face_size.x; x += 15) {

		for (int y = face_location.y; y < face_location.y + face_size.y; y += 15) {

			char moji = ofMap(ofNoise(x * 0.005, y * 0.005, ofGetFrameNum() * 0.05), 0, 1, '0', 'z');
			this->font.drawString(string{ moji }, x, y);
		}
	}

	ofDrawRectangle(0, 0, this->fbo.getWidth(), face_location.y);
	ofDrawRectangle(0, 0, face_location.x, this->fbo.getHeight());
	ofDrawRectangle(0, face_location.y + face_size.y, this->fbo.getWidth(), this->fbo.getHeight());
	ofDrawRectangle(face_location.x + face_size.x, 0, this->fbo.getWidth(), this->fbo.getHeight());

	this->fbo.end();

	this->image.getTextureReference().setAlphaMask(this->fbo.getTexture());
}

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

	this->image.draw(0, 0);
}

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

	ofSetupOpenGL(1280, 720, OF_WINDOW);
	ofRunApp(new ofApp());
}

#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(30);

ofSetWindowTitle("openframeworks");

ofBackground(0);

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

this->cap.open(0);

this->cap.set(cv::CAP_PROP_FPS, 30);

this->cap.set(cv::CAP_PROP_FRAME_WIDTH, this->cap_size.width);

this->cap.set(cv::CAP_PROP_FRAME_HEIGHT, this->cap_size.height);

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->face_cascade.load("D:\\opencv_4.1.2\\build\\install\\etc\\haarcascades\\haarcascade_frontalface_alt2.xml");

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

this->font.loadFont("fonts/Kazesawa-Bold.ttf", 15, true, true, true);

}

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

void ofApp::update() {

this->cap >> this->frame;

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

cv::flip(this->frame, this->frame, 1);

this->image.update();

cv::Mat gray_frame, small_frame;

cv::cvtColor(this->frame, gray_frame, cv::COLOR_RGB2GRAY);

cv::resize(gray_frame, small_frame, cv::Size(this->cap_size.width * 0.5, this->cap_size.height * 0.5));

vector<cv::Rect> faces;

this->face_cascade.detectMultiScale(small_frame, faces);

int face_count = 0;

glm::vec2 face_location, face_size;

float max_area = 0.f;

for (cv::Rect r : faces) {

auto tmp_face_location = glm::vec2(r.x * 2.f, r.y * 2.f);

auto tmp_face_size = glm::vec2(r.width * 2, r.height * 2);

auto area = tmp_face_size.x * tmp_face_size.y;

if (area > max_area) {

face_location = tmp_face_location;

face_size = tmp_face_size;

}

this->fbo.begin();

ofClear(0);

for (int x = face_location.x; x < face_location.x + face_size.x; x += 15) {

for (int y = face_location.y; y < face_location.y + face_size.y; y += 15) {

char moji = ofMap(ofNoise(x * 0.005, y * 0.005, ofGetFrameNum() * 0.05), 0, 1, '0', 'z');

this->font.drawString(string{ moji }, x, y);

}

ofDrawRectangle(0, 0, this->fbo.getWidth(), face_location.y);

ofDrawRectangle(0, 0, face_location.x, this->fbo.getHeight());

ofDrawRectangle(0, face_location.y + face_size.y, this->fbo.getWidth(), this->fbo.getHeight());

ofDrawRectangle(face_location.x + face_size.x, 0, this->fbo.getWidth(), this->fbo.getHeight());

this->fbo.end();

this->image.getTextureReference().setAlphaMask(this->fbo.getTexture());

}

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

void ofApp::draw() {

this->image.draw(0, 0);

}

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

int main() {

ofSetupOpenGL(1280, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20200118

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2020年1月17日

Piece of square. openFrameworks

[ Video ]

[ About ]
正方形の破片。

Piece of square.

[ Source ]

#pragma once
#include "ofMain.h"

class ofApp : public ofBaseApp {

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

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

	glm::vec2 make_point(int len, int param);

	ofMesh mesh;
	vector<ofColor> color_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 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) {};

glm::vec2 make_point(int len, int param);

ofMesh mesh;

vector<ofColor> color_list;

};

#include "ofApp.h"

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

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

	ofBackground(239);

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

		color.setHex(hex);
		this->color_list.push_back(color);
	}
}

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

	ofSeedRandom(39);

	this->mesh.clear();

	int x_span = 256;
	int y_span = 240;

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

		for (int y = y_span * 0.5; y <= ofGetWidth(); y += y_span) {

			for (int in = 10; in < 220; in += 30) {

				int color_index = ofRandom(this->color_list.size());
				ofColor color = this->color_list[color_index];

				int out = in + 15;
				int start_param = ofMap(ofNoise(ofRandom(1000), ofGetFrameNum() * 0.005), 0, 1, 0, 100);
				int noise_value = ofMap(ofNoise(ofRandom(1000), ofGetFrameNum() * 0.005), 0, 1, 1, 150);
				int end_param = start_param + noise_value;

				for (int param = start_param; param <= end_param; param++) {

					int index = this->mesh.getNumVertices();

					vector<glm::vec3> vertices;
					vertices.push_back(glm::vec3(x, y, 0) + glm::vec3(this->make_point(in, param), 0));
					vertices.push_back(glm::vec3(x, y, 0) + glm::vec3(this->make_point(out, param), 0));
					vertices.push_back(glm::vec3(x, y, 0) + glm::vec3(this->make_point(out, param + 1), 0));
					vertices.push_back(glm::vec3(x, y, 0) + glm::vec3(this->make_point(in, param + 1), 0));

					this->mesh.addVertices(vertices);

					for (int i = 0; i < vertices.size(); i++) {

						this->mesh.addColor(color);
					}

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

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

	this->mesh.drawFaces();
}

//--------------------------------------------------------------
glm::vec2 ofApp::make_point(int len, int param) {

	param = param % 100;
	if (param < 25) {

		return glm::vec2(ofMap(param, 0, 25, -len * 0.5, len * 0.5), -len * 0.5);
	}
	else if (param < 50) {

		return glm::vec2(len * 0.5, ofMap(param, 25, 50, -len * 0.5, len * 0.5));
	}
	else if (param < 75) {

		return glm::vec2(ofMap(param, 50, 75, len * 0.5, -len * 0.5), len * 0.5);
	}
	else {

		return glm::vec2(-len * 0.5, ofMap(param, 75, 100, len * 0.5, -len * 0.5));
	}
}

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

	ofSetupOpenGL(1280, 720, OF_WINDOW);
	ofRunApp(new ofApp());
}

100

101

102

#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(60);

ofSetWindowTitle("openframeworks");

ofBackground(239);

ofColor color;

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

for (auto hex : hex_list) {

color.setHex(hex);

this->color_list.push_back(color);

}

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

void ofApp::update() {

ofSeedRandom(39);

this->mesh.clear();

int x_span = 256;

int y_span = 240;

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

for (int y = y_span * 0.5; y <= ofGetWidth(); y += y_span) {

for (int in = 10; in < 220; in += 30) {

int color_index = ofRandom(this->color_list.size());

ofColor color = this->color_list[color_index];

int out = in + 15;

int start_param = ofMap(ofNoise(ofRandom(1000), ofGetFrameNum() * 0.005), 0, 1, 0, 100);

int noise_value = ofMap(ofNoise(ofRandom(1000), ofGetFrameNum() * 0.005), 0, 1, 1, 150);

int end_param = start_param + noise_value;

for (int param = start_param; param <= end_param; param++) {

int index = this->mesh.getNumVertices();

vector<glm::vec3> vertices;

vertices.push_back(glm::vec3(x, y, 0) + glm::vec3(this->make_point(in, param), 0));

vertices.push_back(glm::vec3(x, y, 0) + glm::vec3(this->make_point(out, param), 0));

vertices.push_back(glm::vec3(x, y, 0) + glm::vec3(this->make_point(out, param + 1), 0));

vertices.push_back(glm::vec3(x, y, 0) + glm::vec3(this->make_point(in, param + 1), 0));

this->mesh.addVertices(vertices);

for (int i = 0; i < vertices.size(); i++) {

this->mesh.addColor(color);

}

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

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

}

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

void ofApp::draw() {

this->mesh.drawFaces();

}

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

glm::vec2 ofApp::make_point(int len, int param) {

param = param % 100;

if (param < 25) {

return glm::vec2(ofMap(param, 0, 25, -len * 0.5, len * 0.5), -len * 0.5);

}

else if (param < 50) {

return glm::vec2(len * 0.5, ofMap(param, 25, 50, -len * 0.5, len * 0.5));

}

else if (param < 75) {

return glm::vec2(ofMap(param, 50, 75, len * 0.5, -len * 0.5), len * 0.5);

}

else {

return glm::vec2(-len * 0.5, ofMap(param, 75, 100, len * 0.5, -len * 0.5));

}

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

int main() {

ofSetupOpenGL(1280, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20200117

[ほしいものリスト]
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2020年1月16日

Bend the circle. openFrameworks

[ Video ]

[ About ]
円を曲げる。

Bend the circle.

[ Source ]

#pragma once
#include "ofMain.h"

class ofApp : public ofBaseApp {

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

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

	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 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;

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() {

	ofSeedRandom(39);

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

	auto len = 10;
	for (int radius = 0; radius < 100; radius += len) {

		auto noise_location = glm::vec3(ofRandom(1000), ofRandom(1000), ofRandom(1000));
		for (int deg = 0; deg < 360; deg += 1) {

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

			vector<glm::vec3> vertices;
			vertices.push_back(glm::vec3(glm::vec3(radius * cos(deg * DEG_TO_RAD), radius * sin(deg * DEG_TO_RAD), 0)));
			vertices.push_back(glm::vec3(glm::vec3((radius + len) * cos(deg * DEG_TO_RAD), (radius + len) * sin(deg * DEG_TO_RAD), 0)));
			vertices.push_back(glm::vec3(glm::vec3((radius + len) * cos((deg + 1) * DEG_TO_RAD), (radius + len) * sin((deg + 1) * DEG_TO_RAD), 0)));
			vertices.push_back(glm::vec3(glm::vec3(radius * cos((deg + 1) * DEG_TO_RAD), radius * sin((deg + 1) * DEG_TO_RAD), 0)));

			auto angle_x = ofMap(ofNoise(noise_location.x, cos(deg * DEG_TO_RAD) * 0.3, ofGetFrameNum() * 0.001), 0, 1, 0, PI * 2);
			auto angle_y = ofMap(ofNoise(noise_location.y, sin(deg * DEG_TO_RAD) * 0.3, ofGetFrameNum() * 0.001), 0, 1, 0, PI * 2);
			auto angle_z = ofMap(ofNoise(noise_location.z, ofGetFrameNum() * 0.0035), 0, 1, 0, PI);

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

			vertices[0] = glm::vec4(vertices[0], 0) * rotation_z * rotation_y * rotation_x;
			vertices[1] = glm::vec4(vertices[1], 0) * rotation_z * rotation_y * rotation_x;

			angle_x = ofMap(ofNoise(noise_location.x, cos((deg + 1) * DEG_TO_RAD) * 0.3, ofGetFrameNum() * 0.001), 0, 1, 0, PI * 2);
			angle_y = ofMap(ofNoise(noise_location.y, sin((deg + 1) * DEG_TO_RAD) * 0.3, ofGetFrameNum() * 0.001), 0, 1, 0, PI * 2);

			rotation_x = glm::rotate(glm::mat4(), angle_x, glm::vec3(1, 0, 0));
			rotation_y = glm::rotate(glm::mat4(), angle_y, glm::vec3(0, 1, 0));
			
			vertices[2] = glm::vec4(vertices[2], 0) * rotation_z * rotation_y * rotation_x;
			vertices[3] = glm::vec4(vertices[3], 0) * rotation_z * rotation_y * rotation_x;

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

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

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

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

	this->cam.begin();
	ofRotateY(ofGetFrameNum() * 0.5);
	ofRotateX(ofGetFrameNum() * 0.25);

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

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

	this->cam.end();
}

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

	ofSetupOpenGL(1280, 720, OF_WINDOW);
	ofRunApp(new ofApp());
}

#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(60);

ofSetWindowTitle("openframeworks");

ofBackground(239);

ofEnableDepthTest();

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

}

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

void ofApp::update() {

ofSeedRandom(39);

this->face.clear();

this->frame.clear();

auto len = 10;

for (int radius = 0; radius < 100; radius += len) {

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

for (int deg = 0; deg < 360; deg += 1) {

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

vector<glm::vec3> vertices;

vertices.push_back(glm::vec3(glm::vec3(radius * cos(deg * DEG_TO_RAD), radius * sin(deg * DEG_TO_RAD), 0)));

vertices.push_back(glm::vec3(glm::vec3((radius + len) * cos(deg * DEG_TO_RAD), (radius + len) * sin(deg * DEG_TO_RAD), 0)));

vertices.push_back(glm::vec3(glm::vec3((radius + len) * cos((deg + 1) * DEG_TO_RAD), (radius + len) * sin((deg + 1) * DEG_TO_RAD), 0)));

vertices.push_back(glm::vec3(glm::vec3(radius * cos((deg + 1) * DEG_TO_RAD), radius * sin((deg + 1) * DEG_TO_RAD), 0)));

auto angle_x = ofMap(ofNoise(noise_location.x, cos(deg * DEG_TO_RAD) * 0.3, ofGetFrameNum() * 0.001), 0, 1, 0, PI * 2);

auto angle_y = ofMap(ofNoise(noise_location.y, sin(deg * DEG_TO_RAD) * 0.3, ofGetFrameNum() * 0.001), 0, 1, 0, PI * 2);

auto angle_z = ofMap(ofNoise(noise_location.z, ofGetFrameNum() * 0.0035), 0, 1, 0, PI);

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

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

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

vertices[0] = glm::vec4(vertices[0], 0) * rotation_z * rotation_y * rotation_x;

vertices[1] = glm::vec4(vertices[1], 0) * rotation_z * rotation_y * rotation_x;

angle_x = ofMap(ofNoise(noise_location.x, cos((deg + 1) * DEG_TO_RAD) * 0.3, ofGetFrameNum() * 0.001), 0, 1, 0, PI * 2);

angle_y = ofMap(ofNoise(noise_location.y, sin((deg + 1) * DEG_TO_RAD) * 0.3, ofGetFrameNum() * 0.001), 0, 1, 0, PI * 2);

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

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

vertices[2] = glm::vec4(vertices[2], 0) * rotation_z * rotation_y * rotation_x;

vertices[3] = glm::vec4(vertices[3], 0) * rotation_z * rotation_y * rotation_x;

this->face.addVertices(vertices);

this->frame.addVertices(vertices);

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

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

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

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

}

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

void ofApp::draw() {

this->cam.begin();

ofRotateY(ofGetFrameNum() * 0.5);

ofRotateX(ofGetFrameNum() * 0.25);

ofSetColor(39);

this->face.draw();

ofSetColor(239);

this->frame.draw();

this->cam.end();

}

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

int main() {

ofSetupOpenGL(1280, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20200116

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