noise – ページ 282 – プログラミング de 落描き

2019年12月22日

Pillars. openFrameworks

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[ About ]
柱たち。

Pillars.

[ 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 face_mesh, frame_mesh;
};

#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 face_mesh, frame_mesh;

};

#include "ofApp.h"

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

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

	ofBackground(239);
	ofEnableDepthTest();

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

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

	this->face_mesh.clear();
	this->frame_mesh.clear();

	int radius_span = 10;
	int deg_span = 8;
	for (int radius = 100; radius < 300; radius += radius_span * 4) {

		for (int deg_start = 0; deg_start < 360; deg_start += deg_span) {

			auto noise_seed = glm::vec2((300 - radius) * cos(deg_start * DEG_TO_RAD), (300 - radius) * sin(deg_start * DEG_TO_RAD));
			auto noise_value = ofNoise(glm::vec3(noise_seed * 0.01, ofGetFrameNum() * 0.005));
			auto z = ofMap(noise_value, 0, 1, -radius, radius);
			int param_index = this->face_mesh.getNumVertices();
			for (int deg = deg_start; deg < deg_start + deg_span; deg++) {

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

				vector<glm::vec3> vertices;

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

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

				this->face_mesh.addVertices(vertices);

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

				this->face_mesh.addIndex(index + 4);	this->face_mesh.addIndex(index + 5); this->face_mesh.addIndex(index + 6);
				this->face_mesh.addIndex(index + 4); this->face_mesh.addIndex(index + 6); this->face_mesh.addIndex(index + 7);

				this->face_mesh.addIndex(index + 0);	this->face_mesh.addIndex(index + 3); this->face_mesh.addIndex(index + 7);
				this->face_mesh.addIndex(index + 0); this->face_mesh.addIndex(index + 4); this->face_mesh.addIndex(index + 7);

				this->face_mesh.addIndex(index + 1);	this->face_mesh.addIndex(index + 2); this->face_mesh.addIndex(index + 6);
				this->face_mesh.addIndex(index + 1);	this->face_mesh.addIndex(index + 5); this->face_mesh.addIndex(index + 6);

				this->frame_mesh.addVertices(vertices);

				this->frame_mesh.addIndex(index + 0); this->frame_mesh.addIndex(index + 3);
				this->frame_mesh.addIndex(index + 4); this->frame_mesh.addIndex(index + 7);

				this->frame_mesh.addIndex(index + 1); this->frame_mesh.addIndex(index + 2);
				this->frame_mesh.addIndex(index + 5); this->frame_mesh.addIndex(index + 6);
			}

			this->face_mesh.addIndex(param_index + 0); this->face_mesh.addIndex(param_index + 1); this->face_mesh.addIndex(param_index + 5);
			this->face_mesh.addIndex(param_index + 0); this->face_mesh.addIndex(param_index + 4); this->face_mesh.addIndex(param_index + 5);

			this->frame_mesh.addIndex(param_index + 0); this->frame_mesh.addIndex(param_index + 1);
			this->frame_mesh.addIndex(param_index + 4); this->frame_mesh.addIndex(param_index + 5);

			this->frame_mesh.addIndex(param_index + 0); this->frame_mesh.addIndex(param_index + 4);
			this->frame_mesh.addIndex(param_index + 1); this->frame_mesh.addIndex(param_index + 5);

			param_index = this->face_mesh.getNumVertices() - 8;

			this->face_mesh.addIndex(param_index + 2); this->face_mesh.addIndex(param_index + 3); this->face_mesh.addIndex(param_index + 6);
			this->face_mesh.addIndex(param_index + 3); this->face_mesh.addIndex(param_index + 6); this->face_mesh.addIndex(param_index + 7);

			this->frame_mesh.addIndex(param_index + 2); this->frame_mesh.addIndex(param_index + 3);
			this->frame_mesh.addIndex(param_index + 6); this->frame_mesh.addIndex(param_index + 7);

			this->frame_mesh.addIndex(param_index + 2); this->frame_mesh.addIndex(param_index + 6);
			this->frame_mesh.addIndex(param_index + 3); this->frame_mesh.addIndex(param_index + 7);
		}
	}
}

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

	this->cam.begin();
	ofRotateZ(ofGetFrameNum() * 0.5);

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

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

	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);

ofEnableDepthTest();

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

}

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

void ofApp::update() {

this->face_mesh.clear();

this->frame_mesh.clear();

int radius_span = 10;

int deg_span = 8;

for (int radius = 100; radius < 300; radius += radius_span * 4) {

for (int deg_start = 0; deg_start < 360; deg_start += deg_span) {

auto noise_seed = glm::vec2((300 - radius) * cos(deg_start * DEG_TO_RAD), (300 - radius) * sin(deg_start * DEG_TO_RAD));

auto noise_value = ofNoise(glm::vec3(noise_seed * 0.01, ofGetFrameNum() * 0.005));

auto z = ofMap(noise_value, 0, 1, -radius, radius);

int param_index = this->face_mesh.getNumVertices();

for (int deg = deg_start; deg < deg_start + deg_span; deg++) {

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

vector<glm::vec3> vertices;

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

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

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

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

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

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

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

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

this->face_mesh.addVertices(vertices);

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

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

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

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

this->face_mesh.addIndex(index + 0); this->face_mesh.addIndex(index + 3); this->face_mesh.addIndex(index + 7);

this->face_mesh.addIndex(index + 0); this->face_mesh.addIndex(index + 4); this->face_mesh.addIndex(index + 7);

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

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

this->frame_mesh.addVertices(vertices);

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

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

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

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

}

this->face_mesh.addIndex(param_index + 0); this->face_mesh.addIndex(param_index + 1); this->face_mesh.addIndex(param_index + 5);

this->face_mesh.addIndex(param_index + 0); this->face_mesh.addIndex(param_index + 4); this->face_mesh.addIndex(param_index + 5);

this->frame_mesh.addIndex(param_index + 0); this->frame_mesh.addIndex(param_index + 1);

this->frame_mesh.addIndex(param_index + 4); this->frame_mesh.addIndex(param_index + 5);

this->frame_mesh.addIndex(param_index + 0); this->frame_mesh.addIndex(param_index + 4);

this->frame_mesh.addIndex(param_index + 1); this->frame_mesh.addIndex(param_index + 5);

param_index = this->face_mesh.getNumVertices() - 8;

this->face_mesh.addIndex(param_index + 2); this->face_mesh.addIndex(param_index + 3); this->face_mesh.addIndex(param_index + 6);

this->face_mesh.addIndex(param_index + 3); this->face_mesh.addIndex(param_index + 6); this->face_mesh.addIndex(param_index + 7);

this->frame_mesh.addIndex(param_index + 2); this->frame_mesh.addIndex(param_index + 3);

this->frame_mesh.addIndex(param_index + 6); this->frame_mesh.addIndex(param_index + 7);

this->frame_mesh.addIndex(param_index + 2); this->frame_mesh.addIndex(param_index + 6);

this->frame_mesh.addIndex(param_index + 3); this->frame_mesh.addIndex(param_index + 7);

}

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

void ofApp::draw() {

this->cam.begin();

ofRotateZ(ofGetFrameNum() * 0.5);

ofSetColor(39);

this->face_mesh.draw();

ofSetColor(239);

this->frame_mesh.drawWireframe();

this->cam.end();

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20191222

2019年12月17日2019年12月17日

Compare side by side. openFrameworks

[ Video ]

[ About ]
並べて見比べる。

Compare side by side.

[ 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 mesh;
};

#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 mesh;

};

#include "ofApp.h"

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

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

	ofBackground(239);

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

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

	ofSeedRandom(39);

	this->mesh.clear();

	for (int x = -650; x <= 650; x += 650) {

		for (int y = -650; y <= 650; y += 650) {

			int start_index = this->mesh.getNumVertices();
			for (int i = 0; i < 3; i++) {

				auto noise_seed = glm::vec3(ofRandom(1000), ofRandom(1000), ofRandom(1000));
				for (int deg = 0; deg < 360; deg += 2) {

					auto angle_x = ofMap(ofNoise(noise_seed.x, cos(deg * DEG_TO_RAD), ofGetFrameNum() * 0.006), 0, 1, 0, PI);
					auto angle_y = ofMap(ofNoise(noise_seed.y, sin(deg * DEG_TO_RAD), ofGetFrameNum() * 0.006), 0, 1, 0, PI);
					auto angle_z = ofMap(ofNoise(noise_seed.z, ofGetFrameNum() * 0.006), 0, 1, 0, PI);

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

					auto location = glm::vec3(300 * cos(deg * DEG_TO_RAD), 300 * sin(deg * DEG_TO_RAD), 0);
					location = glm::vec4(location, 0) * rotation_z * rotation_y * rotation_x;

					this->mesh.addVertex(location + glm::vec3(x, y, 0));
				}
			}

			int end_index = this->mesh.getNumVertices();
			for (int i = start_index; i < end_index; i++) {

				for (int k = i + 1; k < end_index; k++) {

					if (glm::distance(this->mesh.getVertex(i), this->mesh.getVertex(k)) < 50) {

						this->mesh.addIndex(i); this->mesh.addIndex(k);
					}
				}
			}
		}
	}	
}

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

	this->cam.begin();

	ofSetColor(39, 64);
	this->mesh.drawWireframe();

	ofSetColor(39);
	for (auto& vertex : this->mesh.getVertices()) {

		ofDrawSphere(vertex, 3);
	}

	this->cam.end();
}

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

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

#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(30);

ofSetWindowTitle("openframeworks");

ofBackground(239);

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

}

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

void ofApp::update() {

ofSeedRandom(39);

this->mesh.clear();

for (int x = -650; x <= 650; x += 650) {

for (int y = -650; y <= 650; y += 650) {

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

for (int i = 0; i < 3; i++) {

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

for (int deg = 0; deg < 360; deg += 2) {

auto angle_x = ofMap(ofNoise(noise_seed.x, cos(deg * DEG_TO_RAD), ofGetFrameNum() * 0.006), 0, 1, 0, PI);

auto angle_y = ofMap(ofNoise(noise_seed.y, sin(deg * DEG_TO_RAD), ofGetFrameNum() * 0.006), 0, 1, 0, PI);

auto angle_z = ofMap(ofNoise(noise_seed.z, ofGetFrameNum() * 0.006), 0, 1, 0, PI);

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

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

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

auto location = glm::vec3(300 * cos(deg * DEG_TO_RAD), 300 * sin(deg * DEG_TO_RAD), 0);

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

this->mesh.addVertex(location + glm::vec3(x, y, 0));

}

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

for (int i = start_index; i < end_index; i++) {

for (int k = i + 1; k < end_index; k++) {

if (glm::distance(this->mesh.getVertex(i), this->mesh.getVertex(k)) < 50) {

this->mesh.addIndex(i); this->mesh.addIndex(k);

}

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

void ofApp::draw() {

this->cam.begin();

ofSetColor(39, 64);

this->mesh.drawWireframe();

ofSetColor(39);

for (auto& vertex : this->mesh.getVertices()) {

ofDrawSphere(vertex, 3);

}

this->cam.end();

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20191217

2019年12月15日

Point is connect each other day 2. openFrameworks

[ Video ]

[ About ]
昨日の奴を個別で回転するように改造。

I change yesterday post from all point moved.

[ 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 mesh;
};

#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 mesh;

};

#include "ofApp.h"

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

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

	ofBackground(0);
	ofEnableBlendMode(ofBlendMode::OF_BLENDMODE_ADD);

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

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

	ofSeedRandom(39);

	this->mesh.clear();

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

		auto noise_seed = glm::vec3(ofRandom(1000), ofRandom(1000), ofRandom(1000));
		for (int deg = 0; deg < 360; deg += 2) {

			auto angle_x = ofMap(ofNoise(noise_seed.x, cos(deg * DEG_TO_RAD), ofGetFrameNum() * 0.003), 0, 1, 0, PI);
			auto angle_y = ofMap(ofNoise(noise_seed.y, sin(deg * DEG_TO_RAD), ofGetFrameNum() * 0.003), 0, 1, 0, PI);
			auto angle_z = ofMap(ofNoise(noise_seed.z, ofGetFrameNum() * 0.0035), 0, 1, 0, PI);

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

			auto location = glm::vec3(300 * cos(deg * DEG_TO_RAD), 300 * sin(deg * DEG_TO_RAD), 0);
			location = glm::vec4(location, 0) * rotation_z * rotation_y * rotation_x;

			this->mesh.addVertex(location);
		}
	}

	for (int i = 0; i < this->mesh.getNumVertices(); i++) {

		for (int k = 0; k < this->mesh.getNumVertices(); k++) {

			if (i == k) { continue; }

			if (glm::distance(this->mesh.getVertex(i), this->mesh.getVertex(k)) < 50) {

				this->mesh.addIndex(i); this->mesh.addIndex(k);
			}
		}
	}
}

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

	this->cam.begin();
	ofRotateY(ofGetFrameNum());

	ofSetColor(255, 64);
	this->mesh.drawWireframe();

	ofSetColor(255);
	for (auto& vertex : this->mesh.getVertices()) {

		ofDrawSphere(vertex, 2);
	}

	this->cam.end();
}

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

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

#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(60);

ofSetWindowTitle("openframeworks");

ofBackground(0);

ofEnableBlendMode(ofBlendMode::OF_BLENDMODE_ADD);

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

}

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

void ofApp::update() {

ofSeedRandom(39);

this->mesh.clear();

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

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

for (int deg = 0; deg < 360; deg += 2) {

auto angle_x = ofMap(ofNoise(noise_seed.x, cos(deg * DEG_TO_RAD), ofGetFrameNum() * 0.003), 0, 1, 0, PI);

auto angle_y = ofMap(ofNoise(noise_seed.y, sin(deg * DEG_TO_RAD), ofGetFrameNum() * 0.003), 0, 1, 0, PI);

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

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

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

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

auto location = glm::vec3(300 * cos(deg * DEG_TO_RAD), 300 * sin(deg * DEG_TO_RAD), 0);

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

this->mesh.addVertex(location);

}

for (int i = 0; i < this->mesh.getNumVertices(); i++) {

for (int k = 0; k < this->mesh.getNumVertices(); k++) {

if (i == k) { continue; }

if (glm::distance(this->mesh.getVertex(i), this->mesh.getVertex(k)) < 50) {

this->mesh.addIndex(i); this->mesh.addIndex(k);

}

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

void ofApp::draw() {

this->cam.begin();

ofRotateY(ofGetFrameNum());

ofSetColor(255, 64);

this->mesh.drawWireframe();

ofSetColor(255);

for (auto& vertex : this->mesh.getVertices()) {

ofDrawSphere(vertex, 2);

}

this->cam.end();

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20191215

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