プログラミング de 落描き – ページ 334 – クリエイティブ・コーディングによる生成物とソース

2021年7月30日2021年7月30日

Mask by character. Draw by openFrameworks

[ Video ]

[ About ]
ofImageのマスク機能を使って、文字でマスキング。
ofImage.getTextureReference().SetAlphaMask(ofFbo.getTexture())でofFboの描写内容を使う。

Masking with text using ofImage’s mask function.
Use ofImage.getTextureReference().SetAlphaMask(ofFbo.getTexture()) to use ofFbo’s description.

[ 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 draw_arrow(glm::vec2 location, glm::vec2 target, float size, ofColor fill_color, ofColor no_fill_color);

	ofImage image;
	ofFbo fbo;

	float font_size;
	ofTrueTypeFont font;
};

#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 draw_arrow(glm::vec2 location, glm::vec2 target, float size, ofColor fill_color, ofColor no_fill_color);

ofImage image;

ofFbo fbo;

float font_size;

ofTrueTypeFont font;

};

#include "ofApp.h"

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

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

	ofBackground(239);
	ofSetLineWidth(2);
	ofSetRectMode(ofRectMode::OF_RECTMODE_CENTER);

	this->image.loadImage("images/lenna.png");
	this->image.resize(720, 720);
	this->fbo.allocate(720, 720);

	this->font_size = 28;
	this->font.loadFont("fonts/Kazesawa-Bold.ttf", this->font_size, true, true, true);

}

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

	ofSeedRandom(39);
	string word = "ABCDEFGHEJKLMNOPQRSTUVWXYZ";
	int sample_count = 100;

	this->fbo.begin();
	ofClear(0);
	ofEnableBlendMode(ofBlendMode::OF_BLENDMODE_ADD);

	ofTranslate(this->fbo.getWidth() * 0.5, this->fbo.getHeight() * 0.5);

	for (int x = -300; x <= 300; x += this->font_size) {

		for (int y = -300; y <= 300; y += this->font_size) {

			int word_index = (int)ofMap(ofNoise(x * 0.002, y * 0.002, ofGetFrameNum() * 0.005), 0, 1, 0, word.size() * 2) % word.size();

			ofPath chara_path = this->font.getCharacterAsPoints(word[word_index], true, false);
			vector<ofPolyline> outline = chara_path.getOutline();

			ofFill();
			ofSetColor(255);
			ofBeginShape();
			for (int outline_index = 0; outline_index < outline.size(); outline_index++) {

				if (outline_index != 0) { ofNextContour(true); }

				auto vertices = outline[outline_index].getResampledByCount(sample_count).getVertices();
				for (auto& vertex : vertices) {

					auto location = vertex - glm::vec3(this->font_size * 0.5, this->font_size * -0.5, 0);
					location += glm::vec3(x, y, 0);
					ofVertex(location);
				}
			}
			ofEndShape();

			ofNoFill();
			ofSetColor(0);
			ofBeginShape();
			for (int outline_index = 0; outline_index < outline.size(); outline_index++) {

				if (outline_index != 0) { ofNextContour(true); }

				auto vertices = outline[outline_index].getResampledByCount(sample_count).getVertices();
				for (auto& vertex : vertices) {

					auto location = vertex - glm::vec3(this->font_size * 0.5, this->font_size * -0.5, 0);
					location += glm::vec3(x, y, 0);
					ofVertex(location);
				}
			}
			ofEndShape();
		}
	}

	this->fbo.end();

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

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

	ofSetColor(255);
	this->image.draw(ofGetWindowSize() * 0.5);
}

//--------------------------------------------------------------
void ofApp::draw_arrow(glm::vec2 location, glm::vec2 target, float size, ofColor fill_color, ofColor no_fill_color) {

	auto angle = std::atan2(target.y - location.y, target.x - location.x);

	ofSetColor(fill_color);
	ofFill();
	ofBeginShape();
	ofVertex(location + glm::vec2(size * cos(angle), size * sin(angle)));
	ofVertex(location + glm::vec2(size * 0.5 * cos(angle + PI * 0.5), size * 0.5 * sin(angle + PI * 0.5)));
	ofVertex(location + glm::vec2(size * 0.5 * cos(angle - PI * 0.5), size * 0.5 * sin(angle - PI * 0.5)));
	ofEndShape();

	ofBeginShape();
	ofVertex(location + glm::vec2(size * 0.5 * cos(angle + PI * 0.5), size * 0.5 * sin(angle + PI * 0.5)) * 0.25);
	ofVertex(location + glm::vec2(size * 0.5 * cos(angle + PI * 0.5), size * 0.5 * sin(angle + PI * 0.5)) * 0.25 - glm::vec2(size * cos(angle), size * sin(angle)) * 0.5);
	ofVertex(location + glm::vec2(size * 0.5 * cos(angle - PI * 0.5), size * 0.5 * sin(angle - PI * 0.5)) * 0.25 - glm::vec2(size * cos(angle), size * sin(angle)) * 0.5);
	ofVertex(location + glm::vec2(size * 0.5 * cos(angle - PI * 0.5), size * 0.5 * sin(angle - PI * 0.5)) * 0.25);
	ofEndShape();

	ofSetColor(no_fill_color);
	ofNoFill();
	ofBeginShape();
	ofVertex(location + glm::vec2(size * 0.5 * cos(angle + PI * 0.5), size * 0.5 * sin(angle + PI * 0.5)) * 0.25);
	ofVertex(location + glm::vec2(size * 0.5 * cos(angle + PI * 0.5), size * 0.5 * sin(angle + PI * 0.5)));
	ofVertex(location + glm::vec2(size * cos(angle), size * sin(angle)));
	ofVertex(location + glm::vec2(size * 0.5 * cos(angle - PI * 0.5), size * 0.5 * sin(angle - PI * 0.5)));
	ofVertex(location + glm::vec2(size * 0.5 * cos(angle - PI * 0.5), size * 0.5 * sin(angle - PI * 0.5)) * 0.25);
	ofEndShape();

	ofBeginShape();
	ofVertex(location + glm::vec2(size * 0.5 * cos(angle - PI * 0.5), size * 0.5 * sin(angle - PI * 0.5)) * 0.25);
	ofVertex(location + glm::vec2(size * 0.5 * cos(angle - PI * 0.5), size * 0.5 * sin(angle - PI * 0.5)) * 0.25 - glm::vec2(size * cos(angle), size * sin(angle)) * 0.5);
	ofVertex(location + glm::vec2(size * 0.5 * cos(angle + PI * 0.5), size * 0.5 * sin(angle + PI * 0.5)) * 0.25 - glm::vec2(size * cos(angle), size * sin(angle)) * 0.5);
	ofVertex(location + glm::vec2(size * 0.5 * cos(angle + PI * 0.5), size * 0.5 * sin(angle + PI * 0.5)) * 0.25);
	ofEndShape();
}

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

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

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#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(30);

ofSetWindowTitle("openframeworks");

ofBackground(239);

ofSetLineWidth(2);

ofSetRectMode(ofRectMode::OF_RECTMODE_CENTER);

this->image.loadImage("images/lenna.png");

this->image.resize(720, 720);

this->fbo.allocate(720, 720);

this->font_size = 28;

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

}

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

void ofApp::update() {

ofSeedRandom(39);

string word = "ABCDEFGHEJKLMNOPQRSTUVWXYZ";

int sample_count = 100;

this->fbo.begin();

ofClear(0);

ofEnableBlendMode(ofBlendMode::OF_BLENDMODE_ADD);

ofTranslate(this->fbo.getWidth() * 0.5, this->fbo.getHeight() * 0.5);

for (int x = -300; x <= 300; x += this->font_size) {

for (int y = -300; y <= 300; y += this->font_size) {

int word_index = (int)ofMap(ofNoise(x * 0.002, y * 0.002, ofGetFrameNum() * 0.005), 0, 1, 0, word.size() * 2) % word.size();

ofPath chara_path = this->font.getCharacterAsPoints(word[word_index], true, false);

vector<ofPolyline> outline = chara_path.getOutline();

ofFill();

ofSetColor(255);

ofBeginShape();

for (int outline_index = 0; outline_index < outline.size(); outline_index++) {

if (outline_index != 0) { ofNextContour(true); }

auto vertices = outline[outline_index].getResampledByCount(sample_count).getVertices();

for (auto& vertex : vertices) {

auto location = vertex - glm::vec3(this->font_size * 0.5, this->font_size * -0.5, 0);

location += glm::vec3(x, y, 0);

ofVertex(location);

}

ofEndShape();

ofNoFill();

ofSetColor(0);

ofBeginShape();

for (int outline_index = 0; outline_index < outline.size(); outline_index++) {

if (outline_index != 0) { ofNextContour(true); }

auto vertices = outline[outline_index].getResampledByCount(sample_count).getVertices();

for (auto& vertex : vertices) {

auto location = vertex - glm::vec3(this->font_size * 0.5, this->font_size * -0.5, 0);

location += glm::vec3(x, y, 0);

ofVertex(location);

}

ofEndShape();

}

this->fbo.end();

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

this->image.update();

}

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

void ofApp::draw() {

ofSetColor(255);

this->image.draw(ofGetWindowSize() * 0.5);

}

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

void ofApp::draw_arrow(glm::vec2 location, glm::vec2 target, float size, ofColor fill_color, ofColor no_fill_color) {

auto angle = std::atan2(target.y - location.y, target.x - location.x);

ofSetColor(fill_color);

ofFill();

ofBeginShape();

ofVertex(location + glm::vec2(size * cos(angle), size * sin(angle)));

ofVertex(location + glm::vec2(size * 0.5 * cos(angle + PI * 0.5), size * 0.5 * sin(angle + PI * 0.5)));

ofVertex(location + glm::vec2(size * 0.5 * cos(angle - PI * 0.5), size * 0.5 * sin(angle - PI * 0.5)));

ofEndShape();

ofBeginShape();

ofVertex(location + glm::vec2(size * 0.5 * cos(angle + PI * 0.5), size * 0.5 * sin(angle + PI * 0.5)) * 0.25);

ofVertex(location + glm::vec2(size * 0.5 * cos(angle + PI * 0.5), size * 0.5 * sin(angle + PI * 0.5)) * 0.25 - glm::vec2(size * cos(angle), size * sin(angle)) * 0.5);

ofVertex(location + glm::vec2(size * 0.5 * cos(angle - PI * 0.5), size * 0.5 * sin(angle - PI * 0.5)) * 0.25 - glm::vec2(size * cos(angle), size * sin(angle)) * 0.5);

ofVertex(location + glm::vec2(size * 0.5 * cos(angle - PI * 0.5), size * 0.5 * sin(angle - PI * 0.5)) * 0.25);

ofEndShape();

ofSetColor(no_fill_color);

ofNoFill();

ofBeginShape();

ofVertex(location + glm::vec2(size * 0.5 * cos(angle + PI * 0.5), size * 0.5 * sin(angle + PI * 0.5)) * 0.25);

ofVertex(location + glm::vec2(size * 0.5 * cos(angle + PI * 0.5), size * 0.5 * sin(angle + PI * 0.5)));

ofVertex(location + glm::vec2(size * cos(angle), size * sin(angle)));

ofVertex(location + glm::vec2(size * 0.5 * cos(angle - PI * 0.5), size * 0.5 * sin(angle - PI * 0.5)));

ofVertex(location + glm::vec2(size * 0.5 * cos(angle - PI * 0.5), size * 0.5 * sin(angle - PI * 0.5)) * 0.25);

ofEndShape();

ofBeginShape();

ofVertex(location + glm::vec2(size * 0.5 * cos(angle - PI * 0.5), size * 0.5 * sin(angle - PI * 0.5)) * 0.25);

ofVertex(location + glm::vec2(size * 0.5 * cos(angle - PI * 0.5), size * 0.5 * sin(angle - PI * 0.5)) * 0.25 - glm::vec2(size * cos(angle), size * sin(angle)) * 0.5);

ofVertex(location + glm::vec2(size * 0.5 * cos(angle + PI * 0.5), size * 0.5 * sin(angle + PI * 0.5)) * 0.25 - glm::vec2(size * cos(angle), size * sin(angle)) * 0.5);

ofVertex(location + glm::vec2(size * 0.5 * cos(angle + PI * 0.5), size * 0.5 * sin(angle + PI * 0.5)) * 0.25);

ofEndShape();

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20210730

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2021年7月29日2021年7月29日

THANKS!. Draw by openFrameworks

[ Video ]

[ About ]
いつも閲覧頂き、ありがとうございます。

Thank you for reading this article.

[ 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;

	float font_size;
	ofTrueTypeFont font;
};

#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;

float font_size;

ofTrueTypeFont font;

};

#include "ofApp.h"

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

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

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

	this->font_size = 80;
	this->font.loadFont("fonts/Kazesawa-Bold.ttf", this->font_size, true, true, true);
}

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

	ofSeedRandom(39);
}

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

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

	string word = "THANKS!";
	int sample_count = 60;

	for (int k = 0; k < 12; k++) {

		auto noise_param = glm::vec3(ofRandom(1000), ofRandom(1000), ofRandom(1000));
		for (int i = 0; i < word.size(); i++) {

			ofPath chara_path = this->font.getCharacterAsPoints(word[i], true, false);
			vector<ofPolyline> outline = chara_path.getOutline();

			ofFill();
			ofSetColor(239);
			ofBeginShape();
			for (int outline_index = 0; outline_index < outline.size(); outline_index++) {

				if (outline_index != 0) { ofNextContour(true); }

				auto vertices = outline[outline_index].getResampledByCount(sample_count).getVertices();
				for (auto& vertex : vertices) {

					auto location = vertex - glm::vec3(-80  + i * -100, this->font_size * -0.5, 0);
					auto rotation = glm::rotate(glm::mat4(), (k * 30.f) * (float)DEG_TO_RAD, glm::vec3(0, 1, 0));
					location = glm::vec4(location, 0) * rotation;

					auto len = glm::length(location);
					auto noise_value = ofNoise(len * 0.0005 + ofGetFrameNum() * 0.005);
					auto angle_y = ofMap(noise_value, 0, 1, -PI * 3, PI * 3);
					auto rotation_y = glm::rotate(glm::mat4(), angle_y, glm::vec3(0, 1, 0));

					location = glm::vec4(location, 0) * rotation_y;
					ofVertex(location);
				}
			}
			ofEndShape();

			ofNoFill();
			ofSetColor(39);
			ofBeginShape();
			for (int outline_index = 0; outline_index < outline.size(); outline_index++) {

				if (outline_index != 0) { ofNextContour(true); }

				auto vertices = outline[outline_index].getResampledByCount(sample_count).getVertices();
				for (auto& vertex : vertices) {

					auto location = vertex - glm::vec3(-80 + i * -100, this->font_size * -0.5, 0);
					auto rotation = glm::rotate(glm::mat4(), (k * 30.f) * (float)DEG_TO_RAD, glm::vec3(0, 1, 0));
					location = glm::vec4(location, 0) * rotation;

					auto len = glm::length(location);
					auto noise_value = ofNoise(len * 0.0005 + ofGetFrameNum() * 0.005);
					auto angle_y = ofMap(noise_value, 0, 1, -PI * 3, PI * 3);
					auto rotation_y = glm::rotate(glm::mat4(), angle_y, glm::vec3(0, 1, 0));

					location = glm::vec4(location, 0) * rotation_y;
					ofVertex(location);
				}
			}
			ofEndShape();
		}
	}

	this->cam.end();
}

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

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

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#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(60);

ofSetWindowTitle("openframeworks");

ofBackground(239);

ofSetLineWidth(2);

ofEnableDepthTest();

this->font_size = 80;

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

}

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

void ofApp::update() {

ofSeedRandom(39);

}

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

void ofApp::draw() {

this->cam.begin();

ofRotateX(180);

string word = "THANKS!";

int sample_count = 60;

for (int k = 0; k < 12; k++) {

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

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

ofPath chara_path = this->font.getCharacterAsPoints(word[i], true, false);

vector<ofPolyline> outline = chara_path.getOutline();

ofFill();

ofSetColor(239);

ofBeginShape();

for (int outline_index = 0; outline_index < outline.size(); outline_index++) {

if (outline_index != 0) { ofNextContour(true); }

auto vertices = outline[outline_index].getResampledByCount(sample_count).getVertices();

for (auto& vertex : vertices) {

auto location = vertex - glm::vec3(-80 + i * -100, this->font_size * -0.5, 0);

auto rotation = glm::rotate(glm::mat4(), (k * 30.f) * (float)DEG_TO_RAD, glm::vec3(0, 1, 0));

location = glm::vec4(location, 0) * rotation;

auto len = glm::length(location);

auto noise_value = ofNoise(len * 0.0005 + ofGetFrameNum() * 0.005);

auto angle_y = ofMap(noise_value, 0, 1, -PI * 3, PI * 3);

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

location = glm::vec4(location, 0) * rotation_y;

ofVertex(location);

}

ofEndShape();

ofNoFill();

ofSetColor(39);

ofBeginShape();

for (int outline_index = 0; outline_index < outline.size(); outline_index++) {

if (outline_index != 0) { ofNextContour(true); }

auto vertices = outline[outline_index].getResampledByCount(sample_count).getVertices();

for (auto& vertex : vertices) {

auto location = vertex - glm::vec3(-80 + i * -100, this->font_size * -0.5, 0);

auto rotation = glm::rotate(glm::mat4(), (k * 30.f) * (float)DEG_TO_RAD, glm::vec3(0, 1, 0));

location = glm::vec4(location, 0) * rotation;

auto len = glm::length(location);

auto noise_value = ofNoise(len * 0.0005 + ofGetFrameNum() * 0.005);

auto angle_y = ofMap(noise_value, 0, 1, -PI * 3, PI * 3);

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

location = glm::vec4(location, 0) * rotation_y;

ofVertex(location);

}

ofEndShape();

}

this->cam.end();

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20210729

[ Kinako ]

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2021年7月28日2021年7月28日

Box with a gap. Draw by openFrameworks

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[ About ]
複数の面をノイズ関数で動かす。

Moving Multiple Surfaces with Noise Functions.

[ 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(int len, int param);
	void draw_panel(vector<glm::vec3> vertices);

	ofEasyCam cam;
};

#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(int len, int param);

void draw_panel(vector<glm::vec3> vertices);

ofEasyCam cam;

};

#include "ofApp.h"

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

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

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

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

}

//--------------------------------------------------------------
void ofApp::draw() {
	
	int len = 300;
	int size = 60;

	this->cam.begin();
	ofRotateX(ofGetFrameNum() * 0.37);
	ofRotateY(ofGetFrameNum() * 0.72);
	
	for (int s_1 = len * -0.5; s_1 <= len * 0.5; s_1 += size) {

		for (int s_2 = len * -0.5; s_2 <= len * 0.5; s_2 += size) {

			vector<glm::vec3> vertices;
			auto p = (len + size) * 0.5;

			vertices.clear();
			vertices.push_back(glm::vec3(p, s_1 - size * 0.5, s_2 - size * 0.5));
			vertices.push_back(glm::vec3(p, s_1 + size * 0.5, s_2 - size * 0.5));
			vertices.push_back(glm::vec3(p, s_1 + size * 0.5, s_2 + size * 0.5));
			vertices.push_back(glm::vec3(p, s_1 - size * 0.5, s_2 + size * 0.5));
			
			auto noise_value = ofNoise(p * 0.003, s_1 * 0.003, s_2 * 0.003, ofGetFrameNum() * 0.01);
			auto add = 0;
			if (noise_value > 0.65) {

				add = ofMap(noise_value, 0.65, 1, 0, size * 2);
			}
			for (auto& vertex : vertices) {

				vertex.x += add;
			}

			this->draw_panel(vertices);

			vertices.clear();
			vertices.push_back(glm::vec3(-p, s_1 - size * 0.5, s_2 - size * 0.5));
			vertices.push_back(glm::vec3(-p, s_1 + size * 0.5, s_2 - size * 0.5));
			vertices.push_back(glm::vec3(-p, s_1 + size * 0.5, s_2 + size * 0.5));
			vertices.push_back(glm::vec3(-p, s_1 - size * 0.5, s_2 + size * 0.5));

			noise_value = ofNoise(p * 0.003, s_1 * 0.003, s_2 * 0.003, ofGetFrameNum() * 0.01);
			add = 0;
			if (noise_value > 0.65) {

				add = ofMap(noise_value, 0.65, 1, 0, size * 2);
			}
			for (auto& vertex : vertices) {

				vertex.x -= add;
			}

			this->draw_panel(vertices);

			vertices.clear();
			vertices.push_back(glm::vec3(s_1 - size * 0.5, p, s_2 - size * 0.5));
			vertices.push_back(glm::vec3(s_1 + size * 0.5, p, s_2 - size * 0.5));
			vertices.push_back(glm::vec3(s_1 + size * 0.5, p, s_2 + size * 0.5));
			vertices.push_back(glm::vec3(s_1 - size * 0.5, p, s_2 + size * 0.5));

			noise_value = ofNoise(s_1 * 0.003, p * 0.003, s_2 * 0.003, ofGetFrameNum() * 0.01);
			add = 0;
			if (noise_value > 0.65) {

				add = ofMap(noise_value, 0.65, 1, 0, size * 2);
			}
			for (auto& vertex : vertices) {

				vertex.y += add;
			}

			this->draw_panel(vertices);

			vertices.clear();
			vertices.push_back(glm::vec3(s_1 - size * 0.5, -p, s_2 - size * 0.5));
			vertices.push_back(glm::vec3(s_1 + size * 0.5, -p, s_2 - size * 0.5));
			vertices.push_back(glm::vec3(s_1 + size * 0.5, -p, s_2 + size * 0.5));
			vertices.push_back(glm::vec3(s_1 - size * 0.5, -p, s_2 + size * 0.5));

			noise_value = ofNoise(s_1 * 0.003, p * 0.003, s_2 * 0.003, ofGetFrameNum() * 0.01);
			add = 0;
			if (noise_value > 0.65) {

				add = ofMap(noise_value, 0.65, 1, 0, size * 2);
			}
			for (auto& vertex : vertices) {

				vertex.y -= add;
			}

			this->draw_panel(vertices);

			vertices.clear();
			vertices.push_back(glm::vec3(s_1 - size * 0.5, s_2 - size * 0.5, p));
			vertices.push_back(glm::vec3(s_1 + size * 0.5, s_2 - size * 0.5, p));
			vertices.push_back(glm::vec3(s_1 + size * 0.5, s_2 + size * 0.5, p));
			vertices.push_back(glm::vec3(s_1 - size * 0.5, s_2 + size * 0.5, p));

			noise_value = ofNoise(s_1 * 0.003, s_2* 0.003, p * 0.003, ofGetFrameNum() * 0.01);
			add = 0;
			if (noise_value > 0.65) {

				add = ofMap(noise_value, 0.65, 1, 0, size * 2);
			}
			for (auto& vertex : vertices) {

				vertex.z += add;
			}

			this->draw_panel(vertices);

			vertices.clear();
			vertices.push_back(glm::vec3(s_1 - size * 0.5, s_2 - size * 0.5, -p));
			vertices.push_back(glm::vec3(s_1 + size * 0.5, s_2 - size * 0.5, -p));
			vertices.push_back(glm::vec3(s_1 + size * 0.5, s_2 + size * 0.5, -p));
			vertices.push_back(glm::vec3(s_1 - size * 0.5, s_2 + size * 0.5, -p));

			noise_value = ofNoise(s_1 * 0.003, s_2 * 0.003, p * 0.003, ofGetFrameNum() * 0.01);
			add = 0;
			if (noise_value > 0.65) {

				add = ofMap(noise_value, 0.65, 1, 0, size * 2);
			}
			for (auto& vertex : vertices) {

				vertex.z -= add;
			}

			this->draw_panel(vertices);
		}
	}

	this->cam.end();
}

//--------------------------------------------------------------
void ofApp::draw_panel(vector<glm::vec3> vertices) {

	ofMesh face, line;
	face.addVertices(vertices);

	face.addIndex(0); face.addIndex(1); face.addIndex(2);
	face.addIndex(0); face.addIndex(2); face.addIndex(3);

	ofSetColor(239);
	face.draw();

	line.setMode(ofPrimitiveMode::OF_PRIMITIVE_LINES);
	line.addVertices(vertices);

	line.addIndex(0); line.addIndex(1);
	line.addIndex(1); line.addIndex(2);
	line.addIndex(2); line.addIndex(3);
	line.addIndex(3); line.addIndex(0);

	ofSetColor(39);
	line.drawWireframe();
}

//--------------------------------------------------------------
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(720, 720, OF_WINDOW);
	ofRunApp(new ofApp());
}

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#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(60);

ofSetWindowTitle("openFrameworks");

ofBackground(239);

ofSetLineWidth(2);

ofEnableDepthTest();

}

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

void ofApp::update() {

}

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

void ofApp::draw() {

int len = 300;

int size = 60;

this->cam.begin();

ofRotateX(ofGetFrameNum() * 0.37);

ofRotateY(ofGetFrameNum() * 0.72);

for (int s_1 = len * -0.5; s_1 <= len * 0.5; s_1 += size) {

for (int s_2 = len * -0.5; s_2 <= len * 0.5; s_2 += size) {

vector<glm::vec3> vertices;

auto p = (len + size) * 0.5;

vertices.clear();

vertices.push_back(glm::vec3(p, s_1 - size * 0.5, s_2 - size * 0.5));

vertices.push_back(glm::vec3(p, s_1 + size * 0.5, s_2 - size * 0.5));

vertices.push_back(glm::vec3(p, s_1 + size * 0.5, s_2 + size * 0.5));

vertices.push_back(glm::vec3(p, s_1 - size * 0.5, s_2 + size * 0.5));

auto noise_value = ofNoise(p * 0.003, s_1 * 0.003, s_2 * 0.003, ofGetFrameNum() * 0.01);

auto add = 0;

if (noise_value > 0.65) {

add = ofMap(noise_value, 0.65, 1, 0, size * 2);

}

for (auto& vertex : vertices) {

vertex.x += add;

}

this->draw_panel(vertices);

vertices.clear();

vertices.push_back(glm::vec3(-p, s_1 - size * 0.5, s_2 - size * 0.5));

vertices.push_back(glm::vec3(-p, s_1 + size * 0.5, s_2 - size * 0.5));

vertices.push_back(glm::vec3(-p, s_1 + size * 0.5, s_2 + size * 0.5));

vertices.push_back(glm::vec3(-p, s_1 - size * 0.5, s_2 + size * 0.5));

noise_value = ofNoise(p * 0.003, s_1 * 0.003, s_2 * 0.003, ofGetFrameNum() * 0.01);

add = 0;

if (noise_value > 0.65) {

add = ofMap(noise_value, 0.65, 1, 0, size * 2);

}

for (auto& vertex : vertices) {

vertex.x -= add;

}

this->draw_panel(vertices);

vertices.clear();

vertices.push_back(glm::vec3(s_1 - size * 0.5, p, s_2 - size * 0.5));

vertices.push_back(glm::vec3(s_1 + size * 0.5, p, s_2 - size * 0.5));

vertices.push_back(glm::vec3(s_1 + size * 0.5, p, s_2 + size * 0.5));

vertices.push_back(glm::vec3(s_1 - size * 0.5, p, s_2 + size * 0.5));

noise_value = ofNoise(s_1 * 0.003, p * 0.003, s_2 * 0.003, ofGetFrameNum() * 0.01);

add = 0;

if (noise_value > 0.65) {

add = ofMap(noise_value, 0.65, 1, 0, size * 2);

}

for (auto& vertex : vertices) {

vertex.y += add;

}

this->draw_panel(vertices);

vertices.clear();

vertices.push_back(glm::vec3(s_1 - size * 0.5, -p, s_2 - size * 0.5));

vertices.push_back(glm::vec3(s_1 + size * 0.5, -p, s_2 - size * 0.5));

vertices.push_back(glm::vec3(s_1 + size * 0.5, -p, s_2 + size * 0.5));

vertices.push_back(glm::vec3(s_1 - size * 0.5, -p, s_2 + size * 0.5));

noise_value = ofNoise(s_1 * 0.003, p * 0.003, s_2 * 0.003, ofGetFrameNum() * 0.01);

add = 0;

if (noise_value > 0.65) {

add = ofMap(noise_value, 0.65, 1, 0, size * 2);

}

for (auto& vertex : vertices) {

vertex.y -= add;

}

this->draw_panel(vertices);

vertices.clear();

vertices.push_back(glm::vec3(s_1 - size * 0.5, s_2 - size * 0.5, p));

vertices.push_back(glm::vec3(s_1 + size * 0.5, s_2 - size * 0.5, p));

vertices.push_back(glm::vec3(s_1 + size * 0.5, s_2 + size * 0.5, p));

vertices.push_back(glm::vec3(s_1 - size * 0.5, s_2 + size * 0.5, p));

noise_value = ofNoise(s_1 * 0.003, s_2* 0.003, p * 0.003, ofGetFrameNum() * 0.01);

add = 0;

if (noise_value > 0.65) {

add = ofMap(noise_value, 0.65, 1, 0, size * 2);

}

for (auto& vertex : vertices) {

vertex.z += add;

}

this->draw_panel(vertices);

vertices.clear();

vertices.push_back(glm::vec3(s_1 - size * 0.5, s_2 - size * 0.5, -p));

vertices.push_back(glm::vec3(s_1 + size * 0.5, s_2 - size * 0.5, -p));

vertices.push_back(glm::vec3(s_1 + size * 0.5, s_2 + size * 0.5, -p));

vertices.push_back(glm::vec3(s_1 - size * 0.5, s_2 + size * 0.5, -p));

noise_value = ofNoise(s_1 * 0.003, s_2 * 0.003, p * 0.003, ofGetFrameNum() * 0.01);

add = 0;

if (noise_value > 0.65) {

add = ofMap(noise_value, 0.65, 1, 0, size * 2);

}

for (auto& vertex : vertices) {

vertex.z -= add;

}

this->draw_panel(vertices);

}

this->cam.end();

}

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

void ofApp::draw_panel(vector<glm::vec3> vertices) {

ofMesh face, line;

face.addVertices(vertices);

face.addIndex(0); face.addIndex(1); face.addIndex(2);

face.addIndex(0); face.addIndex(2); face.addIndex(3);

ofSetColor(239);

face.draw();

line.setMode(ofPrimitiveMode::OF_PRIMITIVE_LINES);

line.addVertices(vertices);

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

line.addIndex(1); line.addIndex(2);

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

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

ofSetColor(39);

line.drawWireframe();

}

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

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(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20210728

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