2020年12月 – ページ 7 – プログラミング de 落描き

2020年12月13日

Draw only panels with differences. Draw by openFrameworks

[ Video ]

[ About ]
差分のあるパネルだけを描写。

Draw only panels with differences.

[ 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) {};

	cv::VideoCapture cap;
	cv::Size cap_size;
	int number_of_frames;
	vector<cv::Mat> frame_list;

	float rect_size;
	vector<float> draw_rect_size_list;
	vector<cv::Mat> rect_frame_list;
	vector<unique_ptr<ofImage>> rect_image_list;
	vector<cv::Rect> cv_rect_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) {};

cv::VideoCapture cap;

cv::Size cap_size;

int number_of_frames;

vector<cv::Mat> frame_list;

float rect_size;

vector<float> draw_rect_size_list;

vector<cv::Mat> rect_frame_list;

vector<unique_ptr<ofImage>> rect_image_list;

vector<cv::Rect> cv_rect_list;

};

#include "ofApp.h"

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

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

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

	this->cap_size = cv::Size(640, 360);
	this->rect_size = 20;
	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_image_list.push_back(move(image));
			this->cv_rect_list.push_back(rect);
			this->rect_frame_list.push_back(frame);
			this->draw_rect_size_list.push_back(this->rect_size);
		}
	}

	auto file_path = "D:\\MP4\\Pexels Videos 2880.mp4";
	this->cap.open(file_path);
	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() {

	int frame_index = (int)(ofGetFrameNum() * 0.42) % this->number_of_frames;
	int next_frame_index = (frame_index + 1) % this->number_of_frames;

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

		this->draw_rect_size_list[i] = this->draw_rect_size_list[i] <= 0 ? 0 : this->draw_rect_size_list[i] - 0.5;
	}

	if (frame_index < next_frame_index) {

		cv::Mat gap = this->frame_list[frame_index] - this->frame_list[next_frame_index];

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

			int x = this->cv_rect_list[i].x + this->rect_size * 0.5;
			int y = this->cv_rect_list[i].y + this->rect_size * 0.5;

			cv::Vec3b* gap_value = gap.ptr<cv::Vec3b>(y, 0);
			cv::Vec3b* color_value = this->frame_list[frame_index].ptr<cv::Vec3b>(y, 0);
			cv::Vec3b gv = gap_value[x];
			cv::Vec3b cv = color_value[x];
			if ((gv[0] + gv[1] + gv[2]) > 100) {

				this->draw_rect_size_list[i] = this->draw_rect_size_list[i] <= this->rect_size ? this->rect_size : this->rect_size;
			}
		}
	}
}

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

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

		ofPushMatrix();
		ofTranslate(this->cv_rect_list[i].x + 50, this->cv_rect_list[i].y + 180, -1);
		ofRotateX(180);

		int frame_index = (int)(ofGetFrameNum() * 0.42) % this->number_of_frames;

		cv::Mat tmp_box_image(this->frame_list[frame_index], this->cv_rect_list[i]);
		tmp_box_image.copyTo(this->rect_frame_list[i]);

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

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

			ofSetColor(255);
			ofFill();
			ofDrawPlane(glm::vec3(), this->draw_rect_size_list[i], this->draw_rect_size_list[i]);
			this->rect_image_list[i]->unbind();

			ofSetColor(39);
			ofNoFill();
			ofDrawPlane(glm::vec3(), this->draw_rect_size_list[i], this->draw_rect_size_list[i]);
		}
		else {

			ofSetColor(239);
			ofFill();
			ofDrawPlane(glm::vec3(), this->rect_size, this->rect_size);
			this->rect_image_list[i]->unbind();

			ofSetColor(39);
			ofNoFill();
			ofDrawPlane(glm::vec3(), this->rect_size, this->rect_size);
		}

		ofPopMatrix();
	}

}

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

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

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#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(60);

ofSetWindowTitle("openFrameworks");

ofBackground(239);

ofEnableDepthTest();

ofDisableArbTex();

ofSetLineWidth(2);

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

this->rect_size = 20;

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_image_list.push_back(move(image));

this->cv_rect_list.push_back(rect);

this->rect_frame_list.push_back(frame);

this->draw_rect_size_list.push_back(this->rect_size);

}

auto file_path = "D:\\MP4\\Pexels Videos 2880.mp4";

this->cap.open(file_path);

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() {

int frame_index = (int)(ofGetFrameNum() * 0.42) % this->number_of_frames;

int next_frame_index = (frame_index + 1) % this->number_of_frames;

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

this->draw_rect_size_list[i] = this->draw_rect_size_list[i] <= 0 ? 0 : this->draw_rect_size_list[i] - 0.5;

}

if (frame_index < next_frame_index) {

cv::Mat gap = this->frame_list[frame_index] - this->frame_list[next_frame_index];

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

int x = this->cv_rect_list[i].x + this->rect_size * 0.5;

int y = this->cv_rect_list[i].y + this->rect_size * 0.5;

cv::Vec3b* gap_value = gap.ptr<cv::Vec3b>(y, 0);

cv::Vec3b* color_value = this->frame_list[frame_index].ptr<cv::Vec3b>(y, 0);

cv::Vec3b gv = gap_value[x];

cv::Vec3b cv = color_value[x];

if ((gv[0] + gv[1] + gv[2]) > 100) {

this->draw_rect_size_list[i] = this->draw_rect_size_list[i] <= this->rect_size ? this->rect_size : this->rect_size;

}

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

void ofApp::draw() {

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

ofPushMatrix();

ofTranslate(this->cv_rect_list[i].x + 50, this->cv_rect_list[i].y + 180, -1);

ofRotateX(180);

int frame_index = (int)(ofGetFrameNum() * 0.42) % this->number_of_frames;

cv::Mat tmp_box_image(this->frame_list[frame_index], this->cv_rect_list[i]);

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

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

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

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

ofSetColor(255);

ofFill();

ofDrawPlane(glm::vec3(), this->draw_rect_size_list[i], this->draw_rect_size_list[i]);

this->rect_image_list[i]->unbind();

ofSetColor(39);

ofNoFill();

ofDrawPlane(glm::vec3(), this->draw_rect_size_list[i], this->draw_rect_size_list[i]);

}

else {

ofSetColor(239);

ofFill();

ofDrawPlane(glm::vec3(), this->rect_size, this->rect_size);

this->rect_image_list[i]->unbind();

ofSetColor(39);

ofNoFill();

ofDrawPlane(glm::vec3(), this->rect_size, this->rect_size);

}

ofPopMatrix();

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20201213

2020年12月12日2020年12月12日

Twisted Heart. Draw by openFrameworks

[ Video ]

[ About ]
揺れるハート。

Twisted Heart.

[ 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) {};

	glm::vec2 make_point(float theta);

	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) {};

glm::vec2 make_point(float theta);

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 rotate_y = ofGetFrameNum() * 2;
	for (int x = -600; x <= 600; x += 600) {

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

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

				auto noise_seed = ofRandom(1000);
				auto rotation_y = glm::rotate(glm::mat4(), rotate_y * (float)DEG_TO_RAD, glm::vec3(0, 1, 0));
				for (float scale = 4; scale <= 12; scale += 4) {

					auto start_index = this->face.getNumVertices();
					auto scale_param = ofMap(ofNoise(noise_seed, scale * 0.05 + ofGetFrameNum() * 0.05), 0, 1, -1.5, 1.5);
					for (int deg = 0; deg < 360; deg += 10) {

						auto tmp_scale = scale + scale_param;

						vector<glm::vec3> vertices;
						vertices.push_back(glm::vec3(x, y, z) + glm::vec4(this->make_point(deg * DEG_TO_RAD) * scale, -15, 0) * rotation_y);
						vertices.push_back(glm::vec3(x, y, z) + glm::vec4(this->make_point(deg * DEG_TO_RAD) * (scale + 2.5), -15, 0) * rotation_y);
						vertices.push_back(glm::vec3(x, y, z) + glm::vec4(this->make_point((deg + 10) * DEG_TO_RAD) * (scale + 2.5), -15, 0) * rotation_y);
						vertices.push_back(glm::vec3(x, y, z) + glm::vec4(this->make_point((deg + 10) * DEG_TO_RAD) * scale, -15, 0) * rotation_y);

						vertices.push_back(glm::vec3(x, y, z) + glm::vec4(this->make_point(deg * DEG_TO_RAD) * scale, 15, 0) * rotation_y);
						vertices.push_back(glm::vec3(x, y, z) + glm::vec4(this->make_point(deg * DEG_TO_RAD) * (scale + 2.5), 15, 0) * rotation_y);
						vertices.push_back(glm::vec3(x, y, z) + glm::vec4(this->make_point((deg + 10) * DEG_TO_RAD) * (scale + 2.5), 15, 0) * rotation_y);
						vertices.push_back(glm::vec3(x, y, z) + glm::vec4(this->make_point((deg + 10) * DEG_TO_RAD) * scale, 15, 0) * rotation_y);

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

							auto rotation_y = glm::rotate(glm::mat4(), ofMap(ofNoise(vertices[i].y * 0.0002 + ofGetFrameNum() * 0.008), 0, 1, PI * -2.5, PI * 2.5), glm::vec3(0, 1, 0));
							auto rotation_x = glm::rotate(glm::mat4(), ofMap(ofNoise(vertices[i].x * 0.0002 + ofGetFrameNum() * 0.008), 0, 1, PI * -2.5, PI * 2.5), glm::vec3(1, 0, 0));

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

						auto index = this->face.getNumVertices();
						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->face.addIndex(index + 4); this->face.addIndex(index + 5); this->face.addIndex(index + 6);
						this->face.addIndex(index + 4); this->face.addIndex(index + 6); this->face.addIndex(index + 7);
						this->face.addIndex(index + 0); this->face.addIndex(index + 4); this->face.addIndex(index + 1);
						this->face.addIndex(index + 4); this->face.addIndex(index + 5); this->face.addIndex(index + 1);
						this->face.addIndex(index + 1); this->face.addIndex(index + 5); this->face.addIndex(index + 6);
						this->face.addIndex(index + 6); this->face.addIndex(index + 2); this->face.addIndex(index + 1);
						this->face.addIndex(index + 2); this->face.addIndex(index + 6); this->face.addIndex(index + 7);
						this->face.addIndex(index + 7); this->face.addIndex(index + 3); this->face.addIndex(index + 2);
						this->face.addIndex(index + 3); this->face.addIndex(index + 7); this->face.addIndex(index + 4);
						this->face.addIndex(index + 4); this->face.addIndex(index + 0); 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);
						this->frame.addIndex(index + 4); this->frame.addIndex(index + 7);
						this->frame.addIndex(index + 5); this->frame.addIndex(index + 6);
					}
				}

				rotate_y += 40;
			}
		}
	}
}

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

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

	ofSetColor(235, 110, 160);
	this->face.draw();

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

	this->cam.end();
}

//--------------------------------------------------------------
// Reference by https://twitter.com/shiffman/status/1095764239665512453
glm::vec2 ofApp::make_point(float theta) {

	float x = 16 * (pow(sin(theta), 3));
	float y = 13 * cos(theta) - 5 * cos(2 * theta) - 2 * cos(3 * theta) - cos(4 * theta);
	return glm::vec2(x, -y);
}

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

ofSeedRandom(39);

this->face.clear();

this->frame.clear();

auto rotate_y = ofGetFrameNum() * 2;

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

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

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

auto noise_seed = ofRandom(1000);

auto rotation_y = glm::rotate(glm::mat4(), rotate_y * (float)DEG_TO_RAD, glm::vec3(0, 1, 0));

for (float scale = 4; scale <= 12; scale += 4) {

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

auto scale_param = ofMap(ofNoise(noise_seed, scale * 0.05 + ofGetFrameNum() * 0.05), 0, 1, -1.5, 1.5);

for (int deg = 0; deg < 360; deg += 10) {

auto tmp_scale = scale + scale_param;

vector<glm::vec3> vertices;

vertices.push_back(glm::vec3(x, y, z) + glm::vec4(this->make_point(deg * DEG_TO_RAD) * scale, -15, 0) * rotation_y);

vertices.push_back(glm::vec3(x, y, z) + glm::vec4(this->make_point(deg * DEG_TO_RAD) * (scale + 2.5), -15, 0) * rotation_y);

vertices.push_back(glm::vec3(x, y, z) + glm::vec4(this->make_point((deg + 10) * DEG_TO_RAD) * (scale + 2.5), -15, 0) * rotation_y);

vertices.push_back(glm::vec3(x, y, z) + glm::vec4(this->make_point((deg + 10) * DEG_TO_RAD) * scale, -15, 0) * rotation_y);

vertices.push_back(glm::vec3(x, y, z) + glm::vec4(this->make_point(deg * DEG_TO_RAD) * scale, 15, 0) * rotation_y);

vertices.push_back(glm::vec3(x, y, z) + glm::vec4(this->make_point(deg * DEG_TO_RAD) * (scale + 2.5), 15, 0) * rotation_y);

vertices.push_back(glm::vec3(x, y, z) + glm::vec4(this->make_point((deg + 10) * DEG_TO_RAD) * (scale + 2.5), 15, 0) * rotation_y);

vertices.push_back(glm::vec3(x, y, z) + glm::vec4(this->make_point((deg + 10) * DEG_TO_RAD) * scale, 15, 0) * rotation_y);

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

auto rotation_y = glm::rotate(glm::mat4(), ofMap(ofNoise(vertices[i].y * 0.0002 + ofGetFrameNum() * 0.008), 0, 1, PI * -2.5, PI * 2.5), glm::vec3(0, 1, 0));

auto rotation_x = glm::rotate(glm::mat4(), ofMap(ofNoise(vertices[i].x * 0.0002 + ofGetFrameNum() * 0.008), 0, 1, PI * -2.5, PI * 2.5), glm::vec3(1, 0, 0));

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

}

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

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->face.addIndex(index + 4); this->face.addIndex(index + 5); this->face.addIndex(index + 6);

this->face.addIndex(index + 4); this->face.addIndex(index + 6); this->face.addIndex(index + 7);

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

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

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

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

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

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

this->face.addIndex(index + 3); this->face.addIndex(index + 7); this->face.addIndex(index + 4);

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

this->frame.addIndex(index + 4); this->frame.addIndex(index + 7);

this->frame.addIndex(index + 5); this->frame.addIndex(index + 6);

}

rotate_y += 40;

}

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

void ofApp::draw() {

this->cam.begin();

ofRotateX(180);

ofSetColor(235, 110, 160);

this->face.draw();

ofSetColor(239);

this->frame.drawWireframe();

this->cam.end();

}

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

// Reference by https://twitter.com/shiffman/status/1095764239665512453

glm::vec2 ofApp::make_point(float theta) {

float x = 16 * (pow(sin(theta), 3));

float y = 13 * cos(theta) - 5 * cos(2 * theta) - 2 * cos(3 * theta) - cos(4 * theta);

return glm::vec2(x, -y);

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20201212

2020年12月11日2020年12月11日

miso. Draw by openFrameworks

[ Video ]

[ About ]
みそ。

miso.

[ 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 height, float width, float depth);

	ofEasyCam cam;
	vector<glm::vec3> location_list;

	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) {};

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

ofEasyCam cam;

vector<glm::vec3> location_list;

ofMesh face, frame;

};

#include "ofApp.h"	

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

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

	ofBackground(239);
	ofEnableDepthTest();

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

	string word = u8"みそ";
	font.drawString(word, -250, 280);

	fbo.end();

	auto span = 8;
	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 * -2; z <= span * 2; z += span) {

					this->location_list.push_back(glm::vec3(x - ofGetWidth() * 0.5, ofGetHeight() - y - ofGetWidth() * 0.25, z));
				}
			}
		}
	}

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

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

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

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

		auto noise_value = ofNoise(location.x * 0.005, location.y * 0.005 - ofGetFrameNum() * 0.01, location.z * 0.005);
		auto size = noise_value > 0.55 ? 8 : ofMap(noise_value, 0, 0.55, 0, 8);

		this->setBoxToMesh(this->face, this->frame, location, size, size, size);
	}
}

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

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

	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"

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

void ofApp::setup() {

ofSetFrameRate(60);

ofSetWindowTitle("openFrameworks");

ofBackground(239);

ofEnableDepthTest();

ofFbo fbo;

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

fbo.begin();

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

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);

string word = u8"みそ";

font.drawString(word, -250, 280);

fbo.end();

auto span = 8;

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 * -2; z <= span * 2; z += span) {

this->location_list.push_back(glm::vec3(x - ofGetWidth() * 0.5, ofGetHeight() - y - ofGetWidth() * 0.25, z));

}

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

}

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

void ofApp::update() {

this->face.clear();

this->frame.clear();

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

auto noise_value = ofNoise(location.x * 0.005, location.y * 0.005 - ofGetFrameNum() * 0.01, location.z * 0.005);

auto size = noise_value > 0.55 ? 8 : ofMap(noise_value, 0, 0.55, 0, 8);

this->setBoxToMesh(this->face, this->frame, location, size, size, size);

}

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

void ofApp::draw() {

this->cam.begin();

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

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/Insta20201211

2020年12月
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