2022年7月 – ページ 10 – プログラミング de 落描き

2022年7月4日

雨の夜。Draw by openFrameworks

[ Video ]

[ About ]
雨の夜。

Rainy night.

[ 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) {};

	ofFbo fbo;

	void draw_tree(ofPoint point, float deg, int len, int depth);
};

#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) {};

ofFbo fbo;

void draw_tree(ofPoint point, float deg, int len, int depth);

};

#include "ofApp.h"

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

	ofSetFrameRate(24);
	ofBackground(0);
	ofSetWindowTitle("openFrameworks");

	ofSetCircleResolution(72);
	this->fbo.allocate(ofGetWidth(), ofGetHeight() / 2);
}

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

	ofSeedRandom(39);

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

	// Draw Sun To Fbo
	ofPushMatrix();
	ofTranslate(this->fbo.getWidth() / 3, this->fbo.getHeight() / 5 * 2);

	ofSetColor(255, 255, 0);
	ofDrawCircle(glm::vec3(), 100);

	ofPopMatrix();

	// Draw Rain
	ofSetColor(255);
	for (int i = 0; i < 50; i++) {

		int x = ofRandom(ofGetWidth());
		int y = (int)(ofRandom(this->fbo.getHeight()) + ofGetFrameNum() * ofRandom(10, 30)) % (int)this->fbo.getHeight();

		ofDrawLine(x, y, x, y + ofRandom(10, 30));
	}

	this->fbo.end();
}

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

	ofTranslate(ofGetWidth() / 2, ofGetHeight() / 2);

	// Draw Fbo 
	ofSetColor(255, 255);
	this->fbo.draw(-ofGetWidth() / 2, -ofGetHeight() / 2);

	// Draw Shadow
	ofPixels pixels;
	this->fbo.readToPixels(pixels);

	for (int y = 0; y < pixels.getHeight(); y++) {

		int noise_x = ofMap(ofNoise(y * 0.05 + ofGetFrameNum() * 0.05), 0, 1, -20, 20);
		noise_x = noise_x * ofMap(y, 0, pixels.getHeight(), 1, 0.1);

		if (noise_x > 0) {

			for (int x = pixels.getWidth() - 1; x > noise_x; x--) {

				pixels.setColor(x, y, pixels.getColor(x - noise_x, y));
			}
			for (int x = 0; x < noise_x; x++) {

				pixels.setColor(x, y, ofColor(39));
			}
		}
		else if (noise_x < 0) {

			for (int x = 0; x < pixels.getWidth() + noise_x; x++) {

				pixels.setColor(x, y, pixels.getColor(x - noise_x, y));
			}
			for (int x = pixels.getWidth() + noise_x; x < pixels.getWidth(); x++) {

				pixels.setColor(x, y, ofColor(39));
			}
		}

	}
	ofImage image;
	image.setFromPixels(pixels);

	ofRotate(180);
	ofRotateY(180);
	ofSetColor(255, 64);
	image.draw(-ofGetWidth() / 2, -ofGetHeight() / 2);

	ofDrawLine(-360, 0, 360, 0);
}

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

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

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#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(24);

ofBackground(0);

ofSetWindowTitle("openFrameworks");

ofSetCircleResolution(72);

this->fbo.allocate(ofGetWidth(), ofGetHeight() / 2);

}

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

void ofApp::update() {

ofSeedRandom(39);

this->fbo.begin();

ofClear(0);

// Draw Sun To Fbo

ofPushMatrix();

ofTranslate(this->fbo.getWidth() / 3, this->fbo.getHeight() / 5 * 2);

ofSetColor(255, 255, 0);

ofDrawCircle(glm::vec3(), 100);

ofPopMatrix();

// Draw Rain

ofSetColor(255);

for (int i = 0; i < 50; i++) {

int x = ofRandom(ofGetWidth());

int y = (int)(ofRandom(this->fbo.getHeight()) + ofGetFrameNum() * ofRandom(10, 30)) % (int)this->fbo.getHeight();

ofDrawLine(x, y, x, y + ofRandom(10, 30));

}

this->fbo.end();

}

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

void ofApp::draw() {

ofTranslate(ofGetWidth() / 2, ofGetHeight() / 2);

// Draw Fbo

ofSetColor(255, 255);

this->fbo.draw(-ofGetWidth() / 2, -ofGetHeight() / 2);

// Draw Shadow

ofPixels pixels;

this->fbo.readToPixels(pixels);

for (int y = 0; y < pixels.getHeight(); y++) {

int noise_x = ofMap(ofNoise(y * 0.05 + ofGetFrameNum() * 0.05), 0, 1, -20, 20);

noise_x = noise_x * ofMap(y, 0, pixels.getHeight(), 1, 0.1);

if (noise_x > 0) {

for (int x = pixels.getWidth() - 1; x > noise_x; x--) {

pixels.setColor(x, y, pixels.getColor(x - noise_x, y));

}

for (int x = 0; x < noise_x; x++) {

pixels.setColor(x, y, ofColor(39));

}

else if (noise_x < 0) {

for (int x = 0; x < pixels.getWidth() + noise_x; x++) {

pixels.setColor(x, y, pixels.getColor(x - noise_x, y));

}

for (int x = pixels.getWidth() + noise_x; x < pixels.getWidth(); x++) {

pixels.setColor(x, y, ofColor(39));

}

ofImage image;

image.setFromPixels(pixels);

ofRotate(180);

ofRotateY(180);

ofSetColor(255, 64);

image.draw(-ofGetWidth() / 2, -ofGetHeight() / 2);

ofDrawLine(-360, 0, 360, 0);

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20220704

[ほしいものリスト]
Amazon

[ Sponsor Link ]

2022年7月3日

Circle of circle. Draw by openFrameworks

[ Video ]

[ About ]
わっかの円。

Circle of 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 windowResized(int w, int h) {};
	void dragEvent(ofDragInfo dragInfo) {};
	void gotMessage(ofMessage msg) {};

	glm::vec3 make_point(float R, float r, float u, float v);

	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::vec3 make_point(float R, float r, float u, float v);

ofEasyCam cam;

};

#include "ofApp.h"

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

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

	ofBackground(255);
	ofEnableDepthTest();
}

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

	ofSeedRandom(39);
}

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

	this->cam.begin();

	float R = 200;
	float r = 50;
	float u_span = 10;

	ofMesh face, line;
	line.setMode(ofPrimitiveMode::OF_PRIMITIVE_LINES);

	for (int x = -550; x <= 550; x += 550) {

		for(int y = -550; y <= 550; y += 550){

			for (int r = 50; r > 0; r -= 2) {

				int v_start = ofMap(ofNoise(x * 0.005, y * 0.005,  r * 0.008 + ofGetFrameNum() * 0.025), 0, 1, -360, 360);
				int v_end = v_start + 3;
				int v_span = 2;

				for (int v = v_start; v <= v_end; v += v_span) {

					for (int u = 0; u < 360; u += u_span) {

						face.addVertex(glm::vec3(x, y, 0) + this->make_point(R, r, u - u_span * 0.5, v - v_span * 0.5));
						face.addVertex(glm::vec3(x, y, 0) + this->make_point(R, r, u + u_span * 0.5, v - v_span * 0.5));
						face.addVertex(glm::vec3(x, y, 0) + this->make_point(R, r, u + u_span * 0.5, v + v_span * 0.5));
						face.addVertex(glm::vec3(x, y, 0) + this->make_point(R, r, u - u_span * 0.5, v + v_span * 0.5));

						line.addVertex(glm::vec3(x, y, 0) + this->make_point(R, r, u - u_span * 0.5, v - v_span * 0.5));
						line.addVertex(glm::vec3(x, y, 0) + this->make_point(R, r, u + u_span * 0.5, v - v_span * 0.5));
						line.addVertex(glm::vec3(x, y, 0) + this->make_point(R, r, u + u_span * 0.5, v + v_span * 0.5));
						line.addVertex(glm::vec3(x, y, 0) + this->make_point(R, r, u - u_span * 0.5, v + v_span * 0.5));

						for (int i = 0; i < 4; i++) {

							face.addColor(ofColor(0));
							line.addColor(ofColor(255));
						}

						face.addIndex(face.getNumVertices() - 1); face.addIndex(face.getNumVertices() - 2); face.addIndex(face.getNumVertices() - 3);
						face.addIndex(face.getNumVertices() - 1); face.addIndex(face.getNumVertices() - 3); face.addIndex(face.getNumVertices() - 4);

						if (v == v_start) {

							line.addIndex(line.getNumVertices() - 3); line.addIndex(line.getNumVertices() - 4);
						}

						if (v == v_end) {

							line.addIndex(line.getNumVertices() - 1); line.addIndex(line.getNumVertices() - 2);
						}
					}
				}
			}
		}
	}

	face.draw();
	line.drawWireframe();

	this->cam.end();
}

//--------------------------------------------------------------
glm::vec3 ofApp::make_point(float R, float r, float u, float v) {

	// 数学デッサン教室 描いて楽しむ数学たち　P.31

	u *= DEG_TO_RAD;
	v *= DEG_TO_RAD;

	auto x = (R + r * cos(u)) * cos(v);
	auto y = (R + r * cos(u)) * sin(v);
	auto z = r * sin(u);

	return glm::vec3(x, y, z);
}

//--------------------------------------------------------------
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(255);

ofEnableDepthTest();

}

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

void ofApp::update() {

ofSeedRandom(39);

}

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

void ofApp::draw() {

this->cam.begin();

float R = 200;

float r = 50;

float u_span = 10;

ofMesh face, line;

line.setMode(ofPrimitiveMode::OF_PRIMITIVE_LINES);

for (int x = -550; x <= 550; x += 550) {

for(int y = -550; y <= 550; y += 550){

for (int r = 50; r > 0; r -= 2) {

int v_start = ofMap(ofNoise(x * 0.005, y * 0.005, r * 0.008 + ofGetFrameNum() * 0.025), 0, 1, -360, 360);

int v_end = v_start + 3;

int v_span = 2;

for (int v = v_start; v <= v_end; v += v_span) {

for (int u = 0; u < 360; u += u_span) {

face.addVertex(glm::vec3(x, y, 0) + this->make_point(R, r, u - u_span * 0.5, v - v_span * 0.5));

face.addVertex(glm::vec3(x, y, 0) + this->make_point(R, r, u + u_span * 0.5, v - v_span * 0.5));

face.addVertex(glm::vec3(x, y, 0) + this->make_point(R, r, u + u_span * 0.5, v + v_span * 0.5));

face.addVertex(glm::vec3(x, y, 0) + this->make_point(R, r, u - u_span * 0.5, v + v_span * 0.5));

line.addVertex(glm::vec3(x, y, 0) + this->make_point(R, r, u - u_span * 0.5, v - v_span * 0.5));

line.addVertex(glm::vec3(x, y, 0) + this->make_point(R, r, u + u_span * 0.5, v - v_span * 0.5));

line.addVertex(glm::vec3(x, y, 0) + this->make_point(R, r, u + u_span * 0.5, v + v_span * 0.5));

line.addVertex(glm::vec3(x, y, 0) + this->make_point(R, r, u - u_span * 0.5, v + v_span * 0.5));

for (int i = 0; i < 4; i++) {

face.addColor(ofColor(0));

line.addColor(ofColor(255));

}

face.addIndex(face.getNumVertices() - 1); face.addIndex(face.getNumVertices() - 2); face.addIndex(face.getNumVertices() - 3);

face.addIndex(face.getNumVertices() - 1); face.addIndex(face.getNumVertices() - 3); face.addIndex(face.getNumVertices() - 4);

if (v == v_start) {

line.addIndex(line.getNumVertices() - 3); line.addIndex(line.getNumVertices() - 4);

}

if (v == v_end) {

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

}

face.draw();

line.drawWireframe();

this->cam.end();

}

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

glm::vec3 ofApp::make_point(float R, float r, float u, float v) {

// 数学デッサン教室描いて楽しむ数学たち　P.31

u *= DEG_TO_RAD;

v *= DEG_TO_RAD;

auto x = (R + r * cos(u)) * cos(v);

auto y = (R + r * cos(u)) * sin(v);

auto z = r * sin(u);

return glm::vec3(x, y, z);

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20220703

[ほしいものリスト]
Amazon

[ Sponsor Link ]

2022年7月2日

missing character. draw by openFrameworks

[ Video ]

[ About ]
崩れる文字。

missing character.

[ 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, line;
};

#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, line;

};

#include "ofApp.h"

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

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

	ofBackground(255);
	ofSetLineWidth(2);
	ofEnableDepthTest();

	ofFbo fbo;
	fbo.allocate(ofGetWidth(), ofGetHeight());
	fbo.begin();
	ofTranslate(ofGetWidth() * 0.5, ofGetHeight() * 0.5);
	ofClear(0);
	ofSetColor(0);

	ofTrueTypeFont font;
	font.loadFont("fonts/Kazesawa-Bold.ttf", 280, true, true, true);

	string word = "BOX";
	font.drawString(word, font.stringWidth(word) * -0.5, font.stringHeight(word));

	fbo.end();

	auto span = 10;

	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 * -10; z <= span * 10; z += span) {

					this->location_list.push_back(glm::vec3(x - ofGetWidth() * 0.5, ofGetHeight() - y - ofGetHeight() * 0.3, z));
				}
			}
		}
	}

	this->line.setMode(ofPrimitiveMode::OF_PRIMITIVE_LINES);
}
//--------------------------------------------------------------
void ofApp::update() {

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

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

		if (ofNoise(this->location_list[i].x * 0.008, this->location_list[i].y * 0.008, this->location_list[i].z * 0.008 + ofGetFrameNum() * 0.03) < 0.5) {

			this->setBoxToMesh(this->face, this->line, this->location_list[i], 10, 10, 10);
		}
	}
}

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

	this->cam.begin();

	ofSetColor(255);
	this->face.draw();

	ofSetColor(0);
	this->line.draw();

	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);

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

		face_target.addColor(ofColor(255, ofMap(location.z, -100, 100, 0, 255)));
		frame_target.addColor(ofColor(0, ofMap(location.z, -100, 100, 0, 255)));
	}
}

//--------------------------------------------------------------
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(255);

ofSetLineWidth(2);

ofEnableDepthTest();

ofFbo fbo;

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

fbo.begin();

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

ofClear(0);

ofSetColor(0);

ofTrueTypeFont font;

font.loadFont("fonts/Kazesawa-Bold.ttf", 280, true, true, true);

string word = "BOX";

font.drawString(word, font.stringWidth(word) * -0.5, font.stringHeight(word));

fbo.end();

auto span = 10;

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 * -10; z <= span * 10; z += span) {

this->location_list.push_back(glm::vec3(x - ofGetWidth() * 0.5, ofGetHeight() - y - ofGetHeight() * 0.3, z));

}

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

}

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

void ofApp::update() {

this->face.clear();

this->line.clear();

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

if (ofNoise(this->location_list[i].x * 0.008, this->location_list[i].y * 0.008, this->location_list[i].z * 0.008 + ofGetFrameNum() * 0.03) < 0.5) {

this->setBoxToMesh(this->face, this->line, this->location_list[i], 10, 10, 10);

}

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

void ofApp::draw() {

this->cam.begin();

ofSetColor(255);

this->face.draw();

ofSetColor(0);

this->line.draw();

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);

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

face_target.addColor(ofColor(255, ofMap(location.z, -100, 100, 0, 255)));

frame_target.addColor(ofColor(0, ofMap(location.z, -100, 100, 0, 255)));

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20220702

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