openFrameworks – ページ 362 – プログラミング de 落描き

2021年12月2日2021年12月2日

Move hard, move slow. Draw by openFrameworks

[ Video ]

[ About ]
ノイズの引数の値を大きく変化させたり少しだけ変化させたりする。

Vary the value of the noise argument significantly or slightly.

[ 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) {};

	int gon;
	vector<float> gap_list;
	vector<ofColor> color_list;

	float noise_param;
};

#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) {};

int gon;

vector<float> gap_list;

vector<ofColor> color_list;

float noise_param;

};

#include "ofApp.h"

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

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

	ofBackground(0);
	ofSetLineWidth(1);

	this->gon = 10;
	for (auto i = 0; i < this->gon; i++) { this->gap_list.push_back(0); }
}

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

	ofSeedRandom(39);

	if (ofGetFrameNum() % 120 < 45) {

		this->noise_param += ofMap(ofGetFrameNum() % 60, 0, 45, 0.045, 0.001);
	}
	else {

		this->noise_param += 0.001;
	}

	for (auto& gap : this->gap_list) {

		gap = ofMap(ofNoise(ofRandom(1000), this->noise_param), 0, 1, 0.01, 0.5);
	}
}

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

	ofPushMatrix();
	ofTranslate(ofGetWindowSize() * 0.5);
	ofRotate(this->noise_param * RAD_TO_DEG * 10);

	auto radius = 600;
	int deg_span = 360 / this->gon;
	vector<glm::vec2> vertices;
	auto first = true;
	while (true) {

		if (first) {

			for (auto deg = 0; deg < 360; deg += deg_span) {

				vertices.push_back(glm::vec2(radius * cos(deg * DEG_TO_RAD), radius * sin(deg * DEG_TO_RAD)));
			}

			first = false;
		}
		else {

			vector<glm::vec2> tmp;
			for (auto k = 0; k < vertices.size(); k++) {

				tmp.push_back(vertices[k] + (vertices[(k + 1) % vertices.size()] - vertices[k]) * this->gap_list[k]);
			}
			vertices = tmp;
		}

		ofSetColor(ofMap(glm::distance(vertices[0], vertices[1]), 300, 1, 0, 255));
		ofNoFill();
		ofBeginShape();
		ofVertices(vertices);
		ofEndShape(true);

		if (glm::distance(vertices[0], vertices[1]) < 1) {

			break;
		}
	}

	ofPopMatrix();
}

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

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

#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(60);

ofSetWindowTitle("openframeworks");

ofBackground(0);

ofSetLineWidth(1);

this->gon = 10;

for (auto i = 0; i < this->gon; i++) { this->gap_list.push_back(0); }

}

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

void ofApp::update() {

ofSeedRandom(39);

if (ofGetFrameNum() % 120 < 45) {

this->noise_param += ofMap(ofGetFrameNum() % 60, 0, 45, 0.045, 0.001);

}

else {

this->noise_param += 0.001;

}

for (auto& gap : this->gap_list) {

gap = ofMap(ofNoise(ofRandom(1000), this->noise_param), 0, 1, 0.01, 0.5);

}

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

void ofApp::draw() {

ofPushMatrix();

ofTranslate(ofGetWindowSize() * 0.5);

ofRotate(this->noise_param * RAD_TO_DEG * 10);

auto radius = 600;

int deg_span = 360 / this->gon;

vector<glm::vec2> vertices;

auto first = true;

while (true) {

if (first) {

for (auto deg = 0; deg < 360; deg += deg_span) {

vertices.push_back(glm::vec2(radius * cos(deg * DEG_TO_RAD), radius * sin(deg * DEG_TO_RAD)));

}

first = false;

}

else {

vector<glm::vec2> tmp;

for (auto k = 0; k < vertices.size(); k++) {

tmp.push_back(vertices[k] + (vertices[(k + 1) % vertices.size()] - vertices[k]) * this->gap_list[k]);

}

vertices = tmp;

}

ofSetColor(ofMap(glm::distance(vertices[0], vertices[1]), 300, 1, 0, 255));

ofNoFill();

ofBeginShape();

ofVertices(vertices);

ofEndShape(true);

if (glm::distance(vertices[0], vertices[1]) < 1) {

break;

}

ofPopMatrix();

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20211202

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Amazon

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2021年12月1日2021年12月1日

Random walker on hexagon rotating. Draw by openFrameworks

[ Video ]

[ About ]
座標ごとにノイズの値を管理する。

It manages the noise value of each coordinate.

[ 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) {};

	void setHexagonToMesh(ofMesh& face_target, ofMesh& frame_target, glm::vec3 location, float radius, float height, glm::vec3 deg);

	vector<glm::vec3> location_list;
	vector<int> life_list;
	vector<float> noise_param_list;

	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) {};

void setHexagonToMesh(ofMesh& face_target, ofMesh& frame_target, glm::vec3 location, float radius, float height, glm::vec3 deg);

vector<glm::vec3> location_list;

vector<int> life_list;

vector<float> noise_param_list;

ofEasyCam cam;

ofMesh face, frame;

};

#include "ofApp.h"

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

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

	ofBackground(0);
	ofSetLineWidth(2);
	ofEnableDepthTest();

	auto radius = 15;
	auto x_span = radius * sqrt(3);
	auto flg = true;
	for (float y = -500; y < 500; y += radius * 1.5) {

		for (float x = -500; x < 500; x += x_span) {

			glm::vec3 location;
			if (flg) {

				location = glm::vec3(x, y, 0);
			}
			else {

				location = glm::vec3(x + (x_span / 2), y, 0);
			}

			this->location_list.push_back(location);
			this->life_list.push_back(0);
			this->noise_param_list.push_back(ofRandom(1000));
		}
		flg = !flg;
	}

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

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

	ofSeedRandom(39);

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

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

		this->life_list[i] = this->life_list[i] > 0 ? this->life_list[i] - 0.5 : 0;
		if (this->life_list[i] > 0) {

			this->noise_param_list[i] += ofMap(this->life_list[i], 0, 100, 0.05, 0.1);
		}
	}

	for (int i = 0; i < 1; i++) {

		int deg_start = ofMap(ofNoise(ofRandom(1000), ofGetFrameNum() * 0.005), 0, 1, -360, 360);
		int radius = ofMap(ofNoise(ofRandom(1000), ofGetFrameNum() * 0.01), 0, 1, 0, 500);

		for (int deg = deg_start; deg < deg_start + 360; deg += 60) {

			auto noise_location = glm::vec3(radius * cos(deg * DEG_TO_RAD), radius * sin(deg * DEG_TO_RAD), 0);
			for (int i = 0; i < this->location_list.size(); i++) {

				if (glm::distance(noise_location, this->location_list[i]) < 40) {

					this->life_list[i] = this->life_list[i] < 100 ? this->life_list[i] + 4 : 100;
				}
			}
		}
	}

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

		auto noise_seed = glm::vec3(ofRandom(1000), ofRandom(1000), ofRandom(1000));
		auto noise_deg = glm::vec3(
			ofMap(ofNoise(glm::vec4(this->location_list[i] * 0.005, noise_seed.x + this->noise_param_list[i])), 0, 1, -360, 360),
			ofMap(ofNoise(glm::vec4(this->location_list[i] * 0.005, noise_seed.y + this->noise_param_list[i])), 0, 1, -360, 360),
			ofMap(ofNoise(glm::vec4(this->location_list[i] * 0.005, noise_seed.z + this->noise_param_list[i])), 0, 1, -360, 360));

		auto height = 5.f;
		if (this->life_list[i] > 10) {

			this->setHexagonToMesh(this->face, this->frame, this->location_list[i], 15, height, noise_deg);
		}
		else if(this->life_list[i] > 0){

			this->setHexagonToMesh(this->face, this->frame, this->location_list[i], 15, height, noise_deg * ofMap(this->life_list[i], 0, 10, 0, 1));
		}
		else {

			this->setHexagonToMesh(this->face, this->frame, this->location_list[i], 15, height, glm::vec3());
		}
	}
}

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

	this->cam.begin();
	//ofRotateX(300);

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

	this->cam.end();
}

//--------------------------------------------------------------
void ofApp::setHexagonToMesh(ofMesh& face_target, ofMesh& frame_target, glm::vec3 location, float radius, float height, glm::vec3 deg) {

	ofColor face_color = ofColor(0);
	ofColor frame_color = ofColor(255);

	auto rotation_x = glm::rotate(glm::mat4(), deg.x * (float)DEG_TO_RAD, glm::vec3(1, 0, 0));
	auto rotation_y = glm::rotate(glm::mat4(), deg.y * (float)DEG_TO_RAD, glm::vec3(0, 1, 0));
	auto rotation_z = glm::rotate(glm::mat4(), deg.z * (float)DEG_TO_RAD, glm::vec3(0, 0, 1));

	for (int deg = 90; deg < 450; deg += 60) {

		auto face_radius = radius - 0.5;
		auto face_index = face_target.getNumVertices();

		vector<glm::vec3> vertices;
		vertices.push_back(glm::vec3(0, 0, 0));
		vertices.push_back(glm::vec3(face_radius * cos(deg * DEG_TO_RAD), face_radius * sin(deg * DEG_TO_RAD), 0));
		vertices.push_back(glm::vec3(face_radius * cos((deg + 60) * DEG_TO_RAD), face_radius * sin((deg + 60) * DEG_TO_RAD), 0));
		vertices.push_back(glm::vec3(0, 0, height));
		vertices.push_back(glm::vec3(face_radius * cos((deg + 60) * DEG_TO_RAD), face_radius * sin((deg + 60) * DEG_TO_RAD), height));
		vertices.push_back(glm::vec3(face_radius * cos(deg * DEG_TO_RAD), face_radius * sin(deg * DEG_TO_RAD), height));

		for (auto& vertex : vertices) {

			vertex = location + glm::vec4(vertex, 0) * rotation_z * rotation_y * rotation_x;
		}

		face_target.addVertices(vertices);

		face_target.addIndex(face_index + 0); face_target.addIndex(face_index + 1); face_target.addIndex(face_index + 2);
		face_target.addIndex(face_index + 3); face_target.addIndex(face_index + 4); face_target.addIndex(face_index + 5);
		face_target.addIndex(face_index + 1); face_target.addIndex(face_index + 2); face_target.addIndex(face_index + 4);
		face_target.addIndex(face_index + 1); face_target.addIndex(face_index + 4); face_target.addIndex(face_index + 5);

		auto frame_index = frame_target.getNumVertices();

		vertices.clear();
		vertices.push_back(glm::vec3(0, 0, 0));
		vertices.push_back(glm::vec3(radius * cos(deg * DEG_TO_RAD), radius * sin(deg * DEG_TO_RAD), 0));
		vertices.push_back(glm::vec3(radius * cos((deg + 60) * DEG_TO_RAD), radius * sin((deg + 60) * DEG_TO_RAD), 0));
		vertices.push_back(glm::vec3(0, 0, height));
		vertices.push_back(glm::vec3(radius * cos((deg + 60) * DEG_TO_RAD), radius * sin((deg + 60) * DEG_TO_RAD), height));
		vertices.push_back(glm::vec3(radius * cos(deg * DEG_TO_RAD), radius * sin(deg * DEG_TO_RAD), height));

		for (auto& vertex : vertices) {

			vertex = location + glm::vec4(vertex, 0) * rotation_z * rotation_y * rotation_x;
		}

		frame_target.addVertices(vertices);

		frame_target.addIndex(frame_index + 1); frame_target.addIndex(frame_index + 2);
		frame_target.addIndex(frame_index + 4); frame_target.addIndex(frame_index + 5);
		frame_target.addIndex(frame_index + 1); frame_target.addIndex(frame_index + 5);
		frame_target.addIndex(frame_index + 2); frame_target.addIndex(frame_index + 4);

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

			face_target.addColor(face_color);
			frame_target.addColor(frame_color);
		}
	}
}

//--------------------------------------------------------------
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(0);

ofSetLineWidth(2);

ofEnableDepthTest();

auto radius = 15;

auto x_span = radius * sqrt(3);

auto flg = true;

for (float y = -500; y < 500; y += radius * 1.5) {

for (float x = -500; x < 500; x += x_span) {

glm::vec3 location;

if (flg) {

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

}

else {

location = glm::vec3(x + (x_span / 2), y, 0);

}

this->location_list.push_back(location);

this->life_list.push_back(0);

this->noise_param_list.push_back(ofRandom(1000));

}

flg = !flg;

}

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

}

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

void ofApp::update() {

ofSeedRandom(39);

this->face.clear();

this->frame.clear();

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

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

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

this->noise_param_list[i] += ofMap(this->life_list[i], 0, 100, 0.05, 0.1);

}

for (int i = 0; i < 1; i++) {

int deg_start = ofMap(ofNoise(ofRandom(1000), ofGetFrameNum() * 0.005), 0, 1, -360, 360);

int radius = ofMap(ofNoise(ofRandom(1000), ofGetFrameNum() * 0.01), 0, 1, 0, 500);

for (int deg = deg_start; deg < deg_start + 360; deg += 60) {

auto noise_location = glm::vec3(radius * cos(deg * DEG_TO_RAD), radius * sin(deg * DEG_TO_RAD), 0);

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

if (glm::distance(noise_location, this->location_list[i]) < 40) {

this->life_list[i] = this->life_list[i] < 100 ? this->life_list[i] + 4 : 100;

}

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

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

auto noise_deg = glm::vec3(

ofMap(ofNoise(glm::vec4(this->location_list[i] * 0.005, noise_seed.x + this->noise_param_list[i])), 0, 1, -360, 360),

ofMap(ofNoise(glm::vec4(this->location_list[i] * 0.005, noise_seed.y + this->noise_param_list[i])), 0, 1, -360, 360),

ofMap(ofNoise(glm::vec4(this->location_list[i] * 0.005, noise_seed.z + this->noise_param_list[i])), 0, 1, -360, 360));

auto height = 5.f;

if (this->life_list[i] > 10) {

this->setHexagonToMesh(this->face, this->frame, this->location_list[i], 15, height, noise_deg);

}

else if(this->life_list[i] > 0){

this->setHexagonToMesh(this->face, this->frame, this->location_list[i], 15, height, noise_deg * ofMap(this->life_list[i], 0, 10, 0, 1));

}

else {

this->setHexagonToMesh(this->face, this->frame, this->location_list[i], 15, height, glm::vec3());

}

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

void ofApp::draw() {

this->cam.begin();

//ofRotateX(300);

this->face.draw();

this->frame.draw();

this->cam.end();

}

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

void ofApp::setHexagonToMesh(ofMesh& face_target, ofMesh& frame_target, glm::vec3 location, float radius, float height, glm::vec3 deg) {

ofColor face_color = ofColor(0);

ofColor frame_color = ofColor(255);

auto rotation_x = glm::rotate(glm::mat4(), deg.x * (float)DEG_TO_RAD, glm::vec3(1, 0, 0));

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

auto rotation_z = glm::rotate(glm::mat4(), deg.z * (float)DEG_TO_RAD, glm::vec3(0, 0, 1));

for (int deg = 90; deg < 450; deg += 60) {

auto face_radius = radius - 0.5;

auto face_index = face_target.getNumVertices();

vector<glm::vec3> vertices;

vertices.push_back(glm::vec3(0, 0, 0));

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

vertices.push_back(glm::vec3(face_radius * cos((deg + 60) * DEG_TO_RAD), face_radius * sin((deg + 60) * DEG_TO_RAD), 0));

vertices.push_back(glm::vec3(0, 0, height));

vertices.push_back(glm::vec3(face_radius * cos((deg + 60) * DEG_TO_RAD), face_radius * sin((deg + 60) * DEG_TO_RAD), height));

vertices.push_back(glm::vec3(face_radius * cos(deg * DEG_TO_RAD), face_radius * sin(deg * DEG_TO_RAD), height));

for (auto& vertex : vertices) {

vertex = location + glm::vec4(vertex, 0) * rotation_z * rotation_y * rotation_x;

}

face_target.addVertices(vertices);

face_target.addIndex(face_index + 0); face_target.addIndex(face_index + 1); face_target.addIndex(face_index + 2);

face_target.addIndex(face_index + 3); face_target.addIndex(face_index + 4); face_target.addIndex(face_index + 5);

face_target.addIndex(face_index + 1); face_target.addIndex(face_index + 2); face_target.addIndex(face_index + 4);

face_target.addIndex(face_index + 1); face_target.addIndex(face_index + 4); face_target.addIndex(face_index + 5);

auto frame_index = frame_target.getNumVertices();

vertices.clear();

vertices.push_back(glm::vec3(0, 0, 0));

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

vertices.push_back(glm::vec3(radius * cos((deg + 60) * DEG_TO_RAD), radius * sin((deg + 60) * DEG_TO_RAD), 0));

vertices.push_back(glm::vec3(0, 0, height));

vertices.push_back(glm::vec3(radius * cos((deg + 60) * DEG_TO_RAD), radius * sin((deg + 60) * DEG_TO_RAD), height));

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

for (auto& vertex : vertices) {

vertex = location + glm::vec4(vertex, 0) * rotation_z * rotation_y * rotation_x;

}

frame_target.addVertices(vertices);

frame_target.addIndex(frame_index + 1); frame_target.addIndex(frame_index + 2);

frame_target.addIndex(frame_index + 4); frame_target.addIndex(frame_index + 5);

frame_target.addIndex(frame_index + 1); frame_target.addIndex(frame_index + 5);

frame_target.addIndex(frame_index + 2); frame_target.addIndex(frame_index + 4);

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

face_target.addColor(face_color);

frame_target.addColor(frame_color);

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20211201

[ほしいものリスト]
Amazon

[ Sponsor Link ]

2021年11月30日

Stop and move. Draw by openFrameworks

[ Video ]

[ About ]
RGBの残像。

RGB afterimage.

[ Source ]

#pragma once
#include "ofMain.h"

class ofApp : public ofBaseApp {

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

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

	ofEasyCam cam;
	ofMesh frame;
};

#pragma once

#include "ofMain.h"

class ofApp : public ofBaseApp {

public:

void setup();

void update();

void draw();

void keyPressed(int key) {};

void keyReleased(int key) {};

void mouseMoved(int x, int y) {};

void mouseDragged(int x, int y, int button) {};

void mousePressed(int x, int y, int button) {};

void mouseReleased(int x, int y, int button) {};

void windowResized(int w, int h) {};

void dragEvent(ofDragInfo dragInfo) {};

void gotMessage(ofMessage msg) {};

ofEasyCam cam;

ofMesh frame;

};

#include "ofApp.h"

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

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

	ofBackground(255);
	ofNoFill();
	ofSetLineWidth(3);
	//ofEnableDepthTest();
	ofEnableBlendMode(ofBlendMode::OF_BLENDMODE_MULTIPLY);

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

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

	
}

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

	this->cam.begin();

	ofSeedRandom(39);

	this->frame.clear();
	vector<ofColor> color_list = { ofColor(255, 0, 0), ofColor(0, 255, 0), ofColor(0, 0, 255) };
	auto noise_seed = glm::vec3(ofRandom(1000), ofRandom(1000), ofRandom(1000));

	for (int len = 100; len <= 400; len += 150) {

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

			auto noise_x = ofNoise(noise_seed.x, len * -0.00025 + i * 0.005 + ofGetFrameNum() * 0.0045);
			auto noise_y = ofNoise(noise_seed.y, len * -0.00025 + i * 0.005 + ofGetFrameNum() * 0.0045);
			auto noise_z = ofNoise(noise_seed.z, len * -0.00025 + i * 0.005 + ofGetFrameNum() * 0.0045);

			if (noise_x < 0.2) { noise_x = 0; }
			else if (noise_x < 0.4) { noise_x = ofMap(noise_x, 0.2, 0.4, 0, 0.5); }
			else if (noise_x < 0.6) { noise_x = 0.5; }
			else if (noise_x < 0.8) { noise_x = ofMap(noise_x, 0.6, 0.8, 0.5, 1.0); }
			else { noise_x = 1; }

			if (noise_y < 0.2) { noise_y = 0; }
			else if (noise_y < 0.4) { noise_y = ofMap(noise_y, 0.2, 0.4, 0, 0.5); }
			else if (noise_y < 0.6) { noise_y = 0.5; }
			else if (noise_y < 0.8) { noise_y = ofMap(noise_y, 0.6, 0.8, 0.5, 1.0); }
			else { noise_y = 1; }

			if (noise_z < 0.2) { noise_z = 0; }
			else if (noise_z < 0.4) { noise_z = ofMap(noise_z, 0.2, 0.4, 0, 0.5); }
			else if (noise_z < 0.6) { noise_z = 0.5; }
			else if (noise_z < 0.8) { noise_z = ofMap(noise_z, 0.6, 0.8, 0.5, 1.0); }
			else { noise_z = 1; }

			auto angle_x = ofMap(noise_x, 0, 1, -90, 90);
			auto angle_y = ofMap(noise_y, 0, 1, -90, 90);
			auto angle_z = ofMap(noise_z, 0, 1, -90, 90);

			ofSetColor(color_list[i]);

			ofPushMatrix();
			//ofRotateZ(angle_z);
			ofRotateY(angle_y);
			ofRotateX(angle_x);

			ofDrawBox(len);

			ofPopMatrix();
		}
	}

	this->frame.drawWireframe();

	this->cam.end();
}

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

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

#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(60);

ofSetWindowTitle("openFrameworks");

ofBackground(255);

ofNoFill();

ofSetLineWidth(3);

//ofEnableDepthTest();

ofEnableBlendMode(ofBlendMode::OF_BLENDMODE_MULTIPLY);

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

}

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

void ofApp::update() {

}

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

void ofApp::draw() {

this->cam.begin();

ofSeedRandom(39);

this->frame.clear();

vector<ofColor> color_list = { ofColor(255, 0, 0), ofColor(0, 255, 0), ofColor(0, 0, 255) };

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

for (int len = 100; len <= 400; len += 150) {

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

auto noise_x = ofNoise(noise_seed.x, len * -0.00025 + i * 0.005 + ofGetFrameNum() * 0.0045);

auto noise_y = ofNoise(noise_seed.y, len * -0.00025 + i * 0.005 + ofGetFrameNum() * 0.0045);

auto noise_z = ofNoise(noise_seed.z, len * -0.00025 + i * 0.005 + ofGetFrameNum() * 0.0045);

if (noise_x < 0.2) { noise_x = 0; }

else if (noise_x < 0.4) { noise_x = ofMap(noise_x, 0.2, 0.4, 0, 0.5); }

else if (noise_x < 0.6) { noise_x = 0.5; }

else if (noise_x < 0.8) { noise_x = ofMap(noise_x, 0.6, 0.8, 0.5, 1.0); }

else { noise_x = 1; }

if (noise_y < 0.2) { noise_y = 0; }

else if (noise_y < 0.4) { noise_y = ofMap(noise_y, 0.2, 0.4, 0, 0.5); }

else if (noise_y < 0.6) { noise_y = 0.5; }

else if (noise_y < 0.8) { noise_y = ofMap(noise_y, 0.6, 0.8, 0.5, 1.0); }

else { noise_y = 1; }

if (noise_z < 0.2) { noise_z = 0; }

else if (noise_z < 0.4) { noise_z = ofMap(noise_z, 0.2, 0.4, 0, 0.5); }

else if (noise_z < 0.6) { noise_z = 0.5; }

else if (noise_z < 0.8) { noise_z = ofMap(noise_z, 0.6, 0.8, 0.5, 1.0); }

else { noise_z = 1; }

auto angle_x = ofMap(noise_x, 0, 1, -90, 90);

auto angle_y = ofMap(noise_y, 0, 1, -90, 90);

auto angle_z = ofMap(noise_z, 0, 1, -90, 90);

ofSetColor(color_list[i]);

ofPushMatrix();

//ofRotateZ(angle_z);

ofRotateY(angle_y);

ofRotateX(angle_x);

ofDrawBox(len);

ofPopMatrix();

}

this->frame.drawWireframe();

this->cam.end();

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20211130

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