プログラミング de 落描き – ページ 416 – クリエイティブ・コーディングによる生成物とソース

2020年11月19日

Gapped spheres. Draw by openFrameworks

[ Video ]

[ About ]
隙間のある球体。

Gapped spheres.

[ 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, 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 face, frame;

};

#include "ofApp.h"

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

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

	ofBackground(239);
	ofEnableDepthTest();

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

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

	ofSeedRandom(39);

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

	float phi_deg_step = 5;
	float theta_deg_step = 5;

	for (float radius = 150; radius <= 250; radius += 50) {

		auto noise_seed = ofRandom(1000);
		for (float phi_deg = 0; phi_deg < 360; phi_deg += phi_deg_step) {

			for (float theta_deg = 0; theta_deg < 360; theta_deg += theta_deg_step) {

				auto noise_location = glm::vec3(
					sin(theta_deg * DEG_TO_RAD) * cos(phi_deg * DEG_TO_RAD),
					sin(theta_deg * DEG_TO_RAD) * sin(phi_deg * DEG_TO_RAD),
					cos(theta_deg * DEG_TO_RAD));
				auto noise_value = ofNoise(glm::vec4(noise_location, noise_seed + ofGetFrameNum() * 0.02));

				if (noise_value < 0.5) { continue; }

				auto index = this->face.getNumVertices();
				vector<glm::vec3> vertices;

				vertices.push_back(glm::vec3(
					radius * sin((theta_deg - theta_deg_step * 0.5) * DEG_TO_RAD) * cos((phi_deg + phi_deg_step * 0.5) * DEG_TO_RAD),
					radius * sin((theta_deg - theta_deg_step * 0.5) * DEG_TO_RAD) * sin((phi_deg + phi_deg_step * 0.5) * DEG_TO_RAD),
					radius * cos((theta_deg - theta_deg_step * 0.5) * DEG_TO_RAD)));
				vertices.push_back(glm::vec3(
					radius * sin((theta_deg - theta_deg_step * 0.5) * DEG_TO_RAD) * cos((phi_deg - phi_deg_step * 0.5) * DEG_TO_RAD),
					radius * sin((theta_deg - theta_deg_step * 0.5) * DEG_TO_RAD) * sin((phi_deg - phi_deg_step * 0.5) * DEG_TO_RAD),
					radius * cos((theta_deg - theta_deg_step * 0.5) * DEG_TO_RAD)));
				vertices.push_back(glm::vec3(
					radius * sin((theta_deg + theta_deg_step * 0.5) * DEG_TO_RAD) * cos((phi_deg + phi_deg_step * 0.5) * DEG_TO_RAD),
					radius * sin((theta_deg + theta_deg_step * 0.5) * DEG_TO_RAD) * sin((phi_deg + phi_deg_step * 0.5) * DEG_TO_RAD),
					radius * cos((theta_deg + theta_deg_step * 0.5) * DEG_TO_RAD)));
				vertices.push_back(glm::vec3(
					radius * sin((theta_deg + theta_deg_step * 0.5) * DEG_TO_RAD) * cos((phi_deg - phi_deg_step * 0.5) * DEG_TO_RAD),
					radius * sin((theta_deg + theta_deg_step * 0.5) * DEG_TO_RAD) * sin((phi_deg - phi_deg_step * 0.5) * DEG_TO_RAD),
					radius * cos((theta_deg + theta_deg_step * 0.5) * DEG_TO_RAD)));

				this->face.addVertices(vertices);
				this->frame.addVertices(vertices);

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

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

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

	this->cam.begin();
	ofRotateX(ofGetFrameNum() * 0.43);
	ofRotateY(ofGetFrameNum() * 0.65);

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

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

	this->cam.end();
}

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

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

#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(60);

ofSetWindowTitle("openFrameworks");

ofBackground(239);

ofEnableDepthTest();

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

}

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

void ofApp::update() {

ofSeedRandom(39);

this->face.clear();

this->frame.clear();

float phi_deg_step = 5;

float theta_deg_step = 5;

for (float radius = 150; radius <= 250; radius += 50) {

auto noise_seed = ofRandom(1000);

for (float phi_deg = 0; phi_deg < 360; phi_deg += phi_deg_step) {

for (float theta_deg = 0; theta_deg < 360; theta_deg += theta_deg_step) {

auto noise_location = glm::vec3(

sin(theta_deg * DEG_TO_RAD) * cos(phi_deg * DEG_TO_RAD),

sin(theta_deg * DEG_TO_RAD) * sin(phi_deg * DEG_TO_RAD),

cos(theta_deg * DEG_TO_RAD));

auto noise_value = ofNoise(glm::vec4(noise_location, noise_seed + ofGetFrameNum() * 0.02));

if (noise_value < 0.5) { continue; }

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

vector<glm::vec3> vertices;

vertices.push_back(glm::vec3(

radius * sin((theta_deg - theta_deg_step * 0.5) * DEG_TO_RAD) * cos((phi_deg + phi_deg_step * 0.5) * DEG_TO_RAD),

radius * sin((theta_deg - theta_deg_step * 0.5) * DEG_TO_RAD) * sin((phi_deg + phi_deg_step * 0.5) * DEG_TO_RAD),

radius * cos((theta_deg - theta_deg_step * 0.5) * DEG_TO_RAD)));

vertices.push_back(glm::vec3(

radius * sin((theta_deg - theta_deg_step * 0.5) * DEG_TO_RAD) * cos((phi_deg - phi_deg_step * 0.5) * DEG_TO_RAD),

radius * sin((theta_deg - theta_deg_step * 0.5) * DEG_TO_RAD) * sin((phi_deg - phi_deg_step * 0.5) * DEG_TO_RAD),

radius * cos((theta_deg - theta_deg_step * 0.5) * DEG_TO_RAD)));

vertices.push_back(glm::vec3(

radius * sin((theta_deg + theta_deg_step * 0.5) * DEG_TO_RAD) * cos((phi_deg + phi_deg_step * 0.5) * DEG_TO_RAD),

radius * sin((theta_deg + theta_deg_step * 0.5) * DEG_TO_RAD) * sin((phi_deg + phi_deg_step * 0.5) * DEG_TO_RAD),

radius * cos((theta_deg + theta_deg_step * 0.5) * DEG_TO_RAD)));

vertices.push_back(glm::vec3(

radius * sin((theta_deg + theta_deg_step * 0.5) * DEG_TO_RAD) * cos((phi_deg - phi_deg_step * 0.5) * DEG_TO_RAD),

radius * sin((theta_deg + theta_deg_step * 0.5) * DEG_TO_RAD) * sin((phi_deg - phi_deg_step * 0.5) * DEG_TO_RAD),

radius * cos((theta_deg + theta_deg_step * 0.5) * DEG_TO_RAD)));

this->face.addVertices(vertices);

this->frame.addVertices(vertices);

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

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

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

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

this->frame.addIndex(index + 3); this->frame.addIndex(index + 1);

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

}

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

void ofApp::draw() {

this->cam.begin();

ofRotateX(ofGetFrameNum() * 0.43);

ofRotateY(ofGetFrameNum() * 0.65);

ofSetColor(39);

this->face.draw();

ofSetColor(239);

this->frame.draw();

this->cam.end();

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20201119

[ほしいものリスト]
Amazon

[ Sponsor Link ]

2020年11月18日

Tricolore tornado. Draw by openFrameworks

[ Video ]

[ About ]
トリコロール・トルネード。

Tricolore tornado.

[ 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 setRingToMesh(ofMesh& face_target, ofMesh& frame_target, glm::vec3 location, float radius, float width, float height, int deg_start, int deg_end, ofColor color);

	ofEasyCam cam;
	ofMesh face, frame;
};

#pragma once

#include "ofMain.h"

class ofApp : public ofBaseApp {

public:

void setup();

void update();

void draw();

void keyPressed(int key) {};

void keyReleased(int key) {};

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

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

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

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

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

void dragEvent(ofDragInfo dragInfo) {};

void gotMessage(ofMessage msg) {};

void setRingToMesh(ofMesh& face_target, ofMesh& frame_target, glm::vec3 location, float radius, float width, float height, int deg_start, int deg_end, ofColor color);

ofEasyCam cam;

ofMesh face, frame;

};

#include "ofApp.h"

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

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

	ofBackground(239);
	ofEnableDepthTest();

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

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

	ofSeedRandom(39);

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

	int radius = 300;
	for (int x = -1000; x <= 1000; x += 1000) {

		auto noise_seed = ofRandom(1000);
		for (int z = -1200; z <= 1200; z += 50) {

			int deg_start = ofMap(ofNoise(noise_seed, (z + 1200) * 0.0005 + ofGetFrameNum() * 0.003), 0, 1, -540, 540);
			this->setRingToMesh(this->face, this->frame, glm::vec3(x, 0, z), radius, 10, 48, deg_start, deg_start + 80, ofColor(189, 39, 39));
			this->setRingToMesh(this->face, this->frame, glm::vec3(x, 0, z), radius, 10, 48, deg_start + 180, deg_start + 260, ofColor(39, 39, 189));
		}
	}
}

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

	this->cam.begin();
	ofRotateX(270);

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

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

	this->cam.end();
}

//--------------------------------------------------------------
void ofApp::setRingToMesh(ofMesh& face_target, ofMesh& frame_target, glm::vec3 location, float radius, float width, float height, int deg_start, int deg_end, ofColor color) {

	if (deg_start == deg_end) { return; }

	int index = face_target.getNumVertices();

	for (int deg = deg_start; deg <= deg_end; deg += 3) {

		auto face_index = face_target.getNumVertices();

		vector<glm::vec3> vertices;
		vertices.push_back(glm::vec3((radius + width * 0.5) * cos(deg * DEG_TO_RAD), (radius + width * 0.5) * sin(deg * DEG_TO_RAD), height * -0.5));
		vertices.push_back(glm::vec3((radius + width * 0.5) * cos((deg + 3) * DEG_TO_RAD), (radius + width * 0.5) * sin((deg + 3) * DEG_TO_RAD), height * -0.5));
		vertices.push_back(glm::vec3((radius + width * 0.5) * cos((deg + 3) * DEG_TO_RAD), (radius + width * 0.5) * sin((deg + 3) * DEG_TO_RAD), height * 0.5));
		vertices.push_back(glm::vec3((radius + width * 0.5) * cos(deg * DEG_TO_RAD), (radius + width * 0.5) * sin(deg * DEG_TO_RAD), height * 0.5));

		vertices.push_back(glm::vec3((radius - width * 0.5) * cos(deg * DEG_TO_RAD), (radius - width * 0.5) * sin(deg * DEG_TO_RAD), height * -0.5));
		vertices.push_back(glm::vec3((radius - width * 0.5) * cos((deg + 3) * DEG_TO_RAD), (radius - width * 0.5) * sin((deg + 3) * DEG_TO_RAD), height * -0.5));
		vertices.push_back(glm::vec3((radius - width * 0.5) * cos((deg + 3) * DEG_TO_RAD), (radius - width * 0.5) * sin((deg + 3) * DEG_TO_RAD), height * 0.5));
		vertices.push_back(glm::vec3((radius - width * 0.5) * cos(deg * DEG_TO_RAD), (radius - width * 0.5) * sin(deg * DEG_TO_RAD), height * 0.5));

		for (auto& vertex : vertices) {

			vertex += location;
		}

		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 + 0); 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 + 6);
		face_target.addIndex(face_index + 4); face_target.addIndex(face_index + 6); face_target.addIndex(face_index + 7);

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

		face_target.addIndex(face_index + 3); face_target.addIndex(face_index + 7); face_target.addIndex(face_index + 6);
		face_target.addIndex(face_index + 3); face_target.addIndex(face_index + 6); face_target.addIndex(face_index + 2);

		auto frame_index = frame_target.getNumVertices();

		frame_target.addVertices(vertices);

		frame_target.addIndex(frame_index + 0); frame_target.addIndex(frame_index + 1);
		frame_target.addIndex(frame_index + 2); frame_target.addIndex(frame_index + 3);
		frame_target.addIndex(frame_index + 4); frame_target.addIndex(frame_index + 5);
		frame_target.addIndex(frame_index + 6); frame_target.addIndex(frame_index + 7);

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

			face_target.addColor(color);
			frame_target.addColor(ofColor(239));
		}
	}

	face_target.addIndex(index + 0); face_target.addIndex(index + 3); face_target.addIndex(index + 7);
	face_target.addIndex(index + 0); face_target.addIndex(index + 7); face_target.addIndex(index + 4);

	frame_target.addIndex(index + 0); frame_target.addIndex(index + 3);
	frame_target.addIndex(index + 0); frame_target.addIndex(index + 4);
	frame_target.addIndex(index + 7); frame_target.addIndex(index + 3);
	frame_target.addIndex(index + 7); frame_target.addIndex(index + 4);

	index = frame_target.getNumVertices() - 8;

	face_target.addIndex(index + 1); face_target.addIndex(index + 2); face_target.addIndex(index + 6);
	face_target.addIndex(index + 1); face_target.addIndex(index + 6); face_target.addIndex(index + 5);

	frame_target.addIndex(index + 1); frame_target.addIndex(index + 2);
	frame_target.addIndex(index + 1); frame_target.addIndex(index + 5);
	frame_target.addIndex(index + 6); frame_target.addIndex(index + 2);
	frame_target.addIndex(index + 6); frame_target.addIndex(index + 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);

ofEnableDepthTest();

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

}

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

void ofApp::update() {

ofSeedRandom(39);

this->face.clear();

this->frame.clear();

int radius = 300;

for (int x = -1000; x <= 1000; x += 1000) {

auto noise_seed = ofRandom(1000);

for (int z = -1200; z <= 1200; z += 50) {

int deg_start = ofMap(ofNoise(noise_seed, (z + 1200) * 0.0005 + ofGetFrameNum() * 0.003), 0, 1, -540, 540);

this->setRingToMesh(this->face, this->frame, glm::vec3(x, 0, z), radius, 10, 48, deg_start, deg_start + 80, ofColor(189, 39, 39));

this->setRingToMesh(this->face, this->frame, glm::vec3(x, 0, z), radius, 10, 48, deg_start + 180, deg_start + 260, ofColor(39, 39, 189));

}

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

void ofApp::draw() {

this->cam.begin();

ofRotateX(270);

ofSetColor(39);

this->face.draw();

ofSetColor(239);

this->frame.drawWireframe();

this->cam.end();

}

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

void ofApp::setRingToMesh(ofMesh& face_target, ofMesh& frame_target, glm::vec3 location, float radius, float width, float height, int deg_start, int deg_end, ofColor color) {

if (deg_start == deg_end) { return; }

int index = face_target.getNumVertices();

for (int deg = deg_start; deg <= deg_end; deg += 3) {

auto face_index = face_target.getNumVertices();

vector<glm::vec3> vertices;

vertices.push_back(glm::vec3((radius + width * 0.5) * cos(deg * DEG_TO_RAD), (radius + width * 0.5) * sin(deg * DEG_TO_RAD), height * -0.5));

vertices.push_back(glm::vec3((radius + width * 0.5) * cos((deg + 3) * DEG_TO_RAD), (radius + width * 0.5) * sin((deg + 3) * DEG_TO_RAD), height * -0.5));

vertices.push_back(glm::vec3((radius + width * 0.5) * cos((deg + 3) * DEG_TO_RAD), (radius + width * 0.5) * sin((deg + 3) * DEG_TO_RAD), height * 0.5));

vertices.push_back(glm::vec3((radius + width * 0.5) * cos(deg * DEG_TO_RAD), (radius + width * 0.5) * sin(deg * DEG_TO_RAD), height * 0.5));

vertices.push_back(glm::vec3((radius - width * 0.5) * cos(deg * DEG_TO_RAD), (radius - width * 0.5) * sin(deg * DEG_TO_RAD), height * -0.5));

vertices.push_back(glm::vec3((radius - width * 0.5) * cos((deg + 3) * DEG_TO_RAD), (radius - width * 0.5) * sin((deg + 3) * DEG_TO_RAD), height * -0.5));

vertices.push_back(glm::vec3((radius - width * 0.5) * cos((deg + 3) * DEG_TO_RAD), (radius - width * 0.5) * sin((deg + 3) * DEG_TO_RAD), height * 0.5));

vertices.push_back(glm::vec3((radius - width * 0.5) * cos(deg * DEG_TO_RAD), (radius - width * 0.5) * sin(deg * DEG_TO_RAD), height * 0.5));

for (auto& vertex : vertices) {

vertex += location;

}

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 + 0); 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 + 6);

face_target.addIndex(face_index + 4); face_target.addIndex(face_index + 6); face_target.addIndex(face_index + 7);

face_target.addIndex(face_index + 0); face_target.addIndex(face_index + 4); face_target.addIndex(face_index + 5);

face_target.addIndex(face_index + 0); face_target.addIndex(face_index + 5); face_target.addIndex(face_index + 1);

face_target.addIndex(face_index + 3); face_target.addIndex(face_index + 7); face_target.addIndex(face_index + 6);

face_target.addIndex(face_index + 3); face_target.addIndex(face_index + 6); face_target.addIndex(face_index + 2);

auto frame_index = frame_target.getNumVertices();

frame_target.addVertices(vertices);

frame_target.addIndex(frame_index + 0); frame_target.addIndex(frame_index + 1);

frame_target.addIndex(frame_index + 2); frame_target.addIndex(frame_index + 3);

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

frame_target.addIndex(frame_index + 6); frame_target.addIndex(frame_index + 7);

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

face_target.addColor(color);

frame_target.addColor(ofColor(239));

}

face_target.addIndex(index + 0); face_target.addIndex(index + 3); face_target.addIndex(index + 7);

face_target.addIndex(index + 0); face_target.addIndex(index + 7); face_target.addIndex(index + 4);

frame_target.addIndex(index + 0); frame_target.addIndex(index + 3);

frame_target.addIndex(index + 0); frame_target.addIndex(index + 4);

frame_target.addIndex(index + 7); frame_target.addIndex(index + 3);

frame_target.addIndex(index + 7); frame_target.addIndex(index + 4);

index = frame_target.getNumVertices() - 8;

face_target.addIndex(index + 1); face_target.addIndex(index + 2); face_target.addIndex(index + 6);

face_target.addIndex(index + 1); face_target.addIndex(index + 6); face_target.addIndex(index + 5);

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

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

frame_target.addIndex(index + 6); frame_target.addIndex(index + 2);

frame_target.addIndex(index + 6); frame_target.addIndex(index + 5);

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20201118

[ほしいものリスト]
Amazon

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2020年11月17日2020年11月17日

Block of boxes. Draw by openFrameworks

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Box塊。

Block of boxes.

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

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

ofEasyCam cam;

ofMesh face, frame;

};

#include "ofApp.h"	

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

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

	ofBackground(239);
	ofEnableDepthTest();

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

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

	this->face.clear();
	this->frame.clear();
	
	ofSeedRandom(39);

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

		glm::vec3 noise_seed = glm::vec3(ofRandom(1000), ofRandom(1000), ofRandom(1000));
		for (int i = 0; i < 50; i++) {

			auto location = glm::vec3(
				ofMap(ofNoise(noise_seed.x, i * 0.01 + ofGetFrameNum() * 0.005), 0, 1, -500, 500),
				ofMap(ofNoise(noise_seed.y, i * 0.01 + ofGetFrameNum() * 0.005), 0, 1, -500, 500),
				ofMap(ofNoise(noise_seed.z, i * 0.01 + ofGetFrameNum() * 0.005), 0, 1, -500, 500));

			for (int k = 0; k < i * 0.5; k++) {

				auto tmp_location = glm::vec3(ofRandom(-1, 1), ofRandom(-1, 1), ofRandom(-1, 1));
				tmp_location = glm::normalize(tmp_location) * ofRandom(10, 45);
				auto rotate_deg = glm::vec3(ofRandom(360), ofRandom(360), ofRandom(360));
				this->setBoxToMesh(this->face, this->frame, location + tmp_location, 15, 15, 15, rotate_deg);
			}
		}
	}
}

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

	this->cam.begin();

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

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

	this->cam.end();
}

//--------------------------------------------------------------
void ofApp::setBoxToMesh(ofMesh& face_target, ofMesh& frame_target, glm::vec3 location, float height, float width, float depth, glm::vec3 rotate_deg) {

	int index = face_target.getVertices().size();

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

	vector<glm::vec3> vertices;

	vertices.push_back(glm::vec3(width * -0.5, height * 0.5, depth * -0.5));
	vertices.push_back(glm::vec3(width * 0.5, height * 0.5, depth * -0.5));
	vertices.push_back(glm::vec3(width * 0.5, height * 0.5, depth * 0.5));
	vertices.push_back(glm::vec3(width * -0.5, height * 0.5, depth * 0.5));

	vertices.push_back(glm::vec3(width * -0.5, height * -0.5, depth * -0.5));
	vertices.push_back(glm::vec3(width * 0.5, height * -0.5, depth * -0.5));
	vertices.push_back(glm::vec3(width * 0.5, height * -0.5, depth * 0.5));
	vertices.push_back(glm::vec3(width * -0.5, height * -0.5, depth * 0.5));

	for (auto& vertex : vertices) {

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

	face_target.addVertices(vertices);
	frame_target.addVertices(vertices);

	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.addIndex(index + 0); frame_target.addIndex(index + 1);
	frame_target.addIndex(index + 1); frame_target.addIndex(index + 2);
	frame_target.addIndex(index + 2); frame_target.addIndex(index + 3);
	frame_target.addIndex(index + 3); frame_target.addIndex(index + 0);

	frame_target.addIndex(index + 4); frame_target.addIndex(index + 5);
	frame_target.addIndex(index + 5); frame_target.addIndex(index + 6);
	frame_target.addIndex(index + 6); frame_target.addIndex(index + 7);
	frame_target.addIndex(index + 7); frame_target.addIndex(index + 4);

	frame_target.addIndex(index + 0); frame_target.addIndex(index + 4);
	frame_target.addIndex(index + 1); frame_target.addIndex(index + 5);
	frame_target.addIndex(index + 2); frame_target.addIndex(index + 6);
	frame_target.addIndex(index + 3); frame_target.addIndex(index + 7);
}

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

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

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#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(60);

ofSetWindowTitle("openFrameworks");

ofBackground(239);

ofEnableDepthTest();

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

}

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

void ofApp::update() {

this->face.clear();

this->frame.clear();

ofSeedRandom(39);

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

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

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

auto location = glm::vec3(

ofMap(ofNoise(noise_seed.x, i * 0.01 + ofGetFrameNum() * 0.005), 0, 1, -500, 500),

ofMap(ofNoise(noise_seed.y, i * 0.01 + ofGetFrameNum() * 0.005), 0, 1, -500, 500),

ofMap(ofNoise(noise_seed.z, i * 0.01 + ofGetFrameNum() * 0.005), 0, 1, -500, 500));

for (int k = 0; k < i * 0.5; k++) {

auto tmp_location = glm::vec3(ofRandom(-1, 1), ofRandom(-1, 1), ofRandom(-1, 1));

tmp_location = glm::normalize(tmp_location) * ofRandom(10, 45);

auto rotate_deg = glm::vec3(ofRandom(360), ofRandom(360), ofRandom(360));

this->setBoxToMesh(this->face, this->frame, location + tmp_location, 15, 15, 15, rotate_deg);

}

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

void ofApp::draw() {

this->cam.begin();

ofSetColor(39);

this->face.draw();

ofSetColor(239);

this->frame.drawWireframe();

this->cam.end();

}

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

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

int index = face_target.getVertices().size();

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

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

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

vector<glm::vec3> vertices;

vertices.push_back(glm::vec3(width * -0.5, height * 0.5, depth * -0.5));

vertices.push_back(glm::vec3(width * 0.5, height * 0.5, depth * -0.5));

vertices.push_back(glm::vec3(width * 0.5, height * 0.5, depth * 0.5));

vertices.push_back(glm::vec3(width * -0.5, height * 0.5, depth * 0.5));

vertices.push_back(glm::vec3(width * -0.5, height * -0.5, depth * -0.5));

vertices.push_back(glm::vec3(width * 0.5, height * -0.5, depth * -0.5));

vertices.push_back(glm::vec3(width * 0.5, height * -0.5, depth * 0.5));

vertices.push_back(glm::vec3(width * -0.5, height * -0.5, depth * 0.5));

for (auto& vertex : vertices) {

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

}

face_target.addVertices(vertices);

frame_target.addVertices(vertices);

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.addIndex(index + 0); frame_target.addIndex(index + 1);

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

frame_target.addIndex(index + 2); frame_target.addIndex(index + 3);

frame_target.addIndex(index + 3); frame_target.addIndex(index + 0);

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

frame_target.addIndex(index + 5); frame_target.addIndex(index + 6);

frame_target.addIndex(index + 6); frame_target.addIndex(index + 7);

frame_target.addIndex(index + 7); frame_target.addIndex(index + 4);

frame_target.addIndex(index + 0); frame_target.addIndex(index + 4);

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

frame_target.addIndex(index + 2); frame_target.addIndex(index + 6);

frame_target.addIndex(index + 3); frame_target.addIndex(index + 7);

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20201117

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