2020年5月 – ページ 8 – プログラミング de 落描き

2020年5月10日2020年5月10日

Pair line. Draw by openFrameworks

[ Video ]

[ About ]
Pair line.

[ 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(0);
	ofSetLineWidth(1.5);
	ofEnableDepthTest();

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

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

	ofSeedRandom(39);

	this->frame.clear();

	int number_of_satellite = 2;
	int number_of_log = 50;
	int base_radius = 30;

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

		auto base_seed = glm::vec3(ofRandom(1000), ofRandom(1000), ofRandom(1000));
		auto base_location = glm::vec3(
			ofMap(ofNoise(base_seed.x, (ofGetFrameNum() + number_of_log) * 0.005), 0, 1, -300, 300),
			ofMap(ofNoise(base_seed.y, (ofGetFrameNum() + number_of_log) * 0.005), 0, 1, -300, 300),
			ofMap(ofNoise(base_seed.z, (ofGetFrameNum() + number_of_log) * 0.005), 0, 1, -300, 300));

		for (int s = 0; s < number_of_satellite; s++) {

			float noise_seed_x = ofRandom(1000);
			float noise_seed_y = ofRandom(1000);
			auto location = glm::vec3(ofRandom(-1, 1), ofRandom(-1, 1), ofRandom(-1, 1));
			location = glm::normalize(location) * base_radius * 1.2;

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

				auto rotation_y = glm::rotate(glm::mat4(), ofMap(ofNoise(noise_seed_y, (ofGetFrameNum() + k) * 0.005), 0, 1, -PI * 2, PI * 2), glm::vec3(0, 1, 0));
				auto rotation_x = glm::rotate(glm::mat4(), ofMap(ofNoise(noise_seed_x, (ofGetFrameNum() + k) * 0.005), 0, 1, -PI * 2, PI * 2), glm::vec3(1, 0, 0));
				auto tmp_base_location = glm::vec3(
					ofMap(ofNoise(base_seed.x, (ofGetFrameNum() + k) * 0.005), 0, 1, -300, 300),
					ofMap(ofNoise(base_seed.y, (ofGetFrameNum() + k) * 0.005), 0, 1, -300, 300),
					ofMap(ofNoise(base_seed.z, (ofGetFrameNum() + k) * 0.005), 0, 1, -300, 300));
				auto loc = tmp_base_location + glm::vec4(location, 0) * rotation_y * rotation_x;
				this->frame.addVertex(loc);
				this->frame.addColor(ofColor(255, ofMap(k, 0, number_of_log, 25, 255)));

				int index = this->frame.getNumVertices() - 1;
				if (k > 0) {

					this->frame.addIndex(index); this->frame.addIndex(index - 1);
				}

				if (index > number_of_log && s > 0) {

					this->frame.addIndex(index); this->frame.addIndex(index - number_of_log);
				}
			}
		}
	}
}

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

	this->cam.begin();

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

		ofSetColor(this->frame.getColor(i));
		ofDrawSphere(this->frame.getVertex(i), 1.5);
	}

	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(0);

ofSetLineWidth(1.5);

ofEnableDepthTest();

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

}

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

void ofApp::update() {

ofSeedRandom(39);

this->frame.clear();

int number_of_satellite = 2;

int number_of_log = 50;

int base_radius = 30;

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

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

auto base_location = glm::vec3(

ofMap(ofNoise(base_seed.x, (ofGetFrameNum() + number_of_log) * 0.005), 0, 1, -300, 300),

ofMap(ofNoise(base_seed.y, (ofGetFrameNum() + number_of_log) * 0.005), 0, 1, -300, 300),

ofMap(ofNoise(base_seed.z, (ofGetFrameNum() + number_of_log) * 0.005), 0, 1, -300, 300));

for (int s = 0; s < number_of_satellite; s++) {

float noise_seed_x = ofRandom(1000);

float noise_seed_y = ofRandom(1000);

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

location = glm::normalize(location) * base_radius * 1.2;

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

auto rotation_y = glm::rotate(glm::mat4(), ofMap(ofNoise(noise_seed_y, (ofGetFrameNum() + k) * 0.005), 0, 1, -PI * 2, PI * 2), glm::vec3(0, 1, 0));

auto rotation_x = glm::rotate(glm::mat4(), ofMap(ofNoise(noise_seed_x, (ofGetFrameNum() + k) * 0.005), 0, 1, -PI * 2, PI * 2), glm::vec3(1, 0, 0));

auto tmp_base_location = glm::vec3(

ofMap(ofNoise(base_seed.x, (ofGetFrameNum() + k) * 0.005), 0, 1, -300, 300),

ofMap(ofNoise(base_seed.y, (ofGetFrameNum() + k) * 0.005), 0, 1, -300, 300),

ofMap(ofNoise(base_seed.z, (ofGetFrameNum() + k) * 0.005), 0, 1, -300, 300));

auto loc = tmp_base_location + glm::vec4(location, 0) * rotation_y * rotation_x;

this->frame.addVertex(loc);

this->frame.addColor(ofColor(255, ofMap(k, 0, number_of_log, 25, 255)));

int index = this->frame.getNumVertices() - 1;

if (k > 0) {

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

}

if (index > number_of_log && s > 0) {

this->frame.addIndex(index); this->frame.addIndex(index - number_of_log);

}

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

void ofApp::draw() {

this->cam.begin();

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

ofSetColor(this->frame.getColor(i));

ofDrawSphere(this->frame.getVertex(i), 1.5);

}

this->frame.drawWireframe();

this->cam.end();

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20200510

2020年5月9日

Remake the source code of Processing on March 12, 2017. Draw by openFrameworks

[ Video ]

[ About ]
Remake the source code of Processing on March 12, 2017.

[ 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 size, ofColor face_color, ofColor frame_color);
	void setBoxToMesh(ofMesh& face_target, ofMesh& frame_target, glm::vec3 location, float height, float width, float depth, ofColor face_color, ofColor frame_color);

	vector<glm::vec2> box_location_list;
	vector<float> box_height_list;
	vector<ofColor> box_color_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 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 size, ofColor face_color, ofColor frame_color);

void setBoxToMesh(ofMesh& face_target, ofMesh& frame_target, glm::vec3 location, float height, float width, float depth, ofColor face_color, ofColor frame_color);

vector<glm::vec2> box_location_list;

vector<float> box_height_list;

vector<ofColor> box_color_list;

ofEasyCam cam;

ofMesh face, frame;

};

#include "ofApp.h"

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

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

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

	int size = 20;
	ofColor color;
	for (int x = -300; x <= 300; x += size) {

		for (int y = -300; y <= 300; y += size) {

			color.setHsb(ofRandom(255), 255, 255);

			this->box_location_list.push_back(glm::vec2(x, y));
			this->box_height_list.push_back(0);
			this->box_color_list.push_back(color);
		}
	}

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

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

	ofSeedRandom(39);

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

	auto noise_location = glm::vec2(ofMap(ofNoise(ofRandom(1000), ofGetFrameNum() * 0.008), 0, 1, -300, 300), ofMap(ofNoise(ofRandom(1000), ofGetFrameNum() * 0.008), 0, 1, -300, 300));

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

		auto distance = glm::distance(this->box_location_list[i], noise_location);
		if (distance < 40) {

			this->box_height_list[i] += this->box_height_list[i] > 300 ? 1 : distance * 0.5;
		}

		this->setBoxToMesh(this->face, this->frame, glm::vec3(this->box_location_list[i], this->box_height_list[i] * 0.5), 18, 18, this->box_height_list[i], ofColor(this->box_color_list[i], 92), this->box_color_list[i]);

		this->box_height_list[i] = this->box_height_list[i] <= 0 ? 0 : this->box_height_list[i] - 3;
	}
}

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

	this->cam.begin();
	ofRotateZ(45);

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

	this->cam.end();
}

//--------------------------------------------------------------
void ofApp::setBoxToMesh(ofMesh& face_target, ofMesh& frame_target, glm::vec3 location, float size, ofColor face_color, ofColor frame_color) {

	this->setBoxToMesh(face_target, frame_target, location, size, size, size, face_color, frame_color);
}

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

	int face_index = face_target.getNumVertices();
	int frame_index = frame_target.getNumVertices();

	face_target.addVertex(location + glm::vec3(width * -0.5, height * 0.5, depth * -0.5));
	face_target.addVertex(location + glm::vec3(width * 0.5, height * 0.5, depth * -0.5));
	face_target.addVertex(location + glm::vec3(width * 0.5, height * 0.5, depth * 0.5));
	face_target.addVertex(location + glm::vec3(width * -0.5, height * 0.5, depth * 0.5));

	face_target.addVertex(location + glm::vec3(width * -0.5, height * -0.5, depth * -0.5));
	face_target.addVertex(location + glm::vec3(width * 0.5, height * -0.5, depth * -0.5));
	face_target.addVertex(location + glm::vec3(width * 0.5, height * -0.5, depth * 0.5));
	face_target.addVertex(location + glm::vec3(width * -0.5, height * -0.5, depth * 0.5));

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

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

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

	face_target.addIndex(face_index + 3); face_target.addIndex(face_index + 7); face_target.addIndex(face_index + 4);
	face_target.addIndex(face_index + 4); face_target.addIndex(face_index + 0); face_target.addIndex(face_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(frame_index + 0); frame_target.addIndex(frame_index + 1);
	frame_target.addIndex(frame_index + 1); frame_target.addIndex(frame_index + 2);
	frame_target.addIndex(frame_index + 2); frame_target.addIndex(frame_index + 3);
	frame_target.addIndex(frame_index + 3); frame_target.addIndex(frame_index + 0);

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

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

	for (int i = 0; i < 8; 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(60);

ofSetWindowTitle("openframeworks");

ofBackground(239);

ofSetLineWidth(2);

ofEnableDepthTest();

int size = 20;

ofColor color;

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

for (int y = -300; y <= 300; y += size) {

color.setHsb(ofRandom(255), 255, 255);

this->box_location_list.push_back(glm::vec2(x, y));

this->box_height_list.push_back(0);

this->box_color_list.push_back(color);

}

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

}

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

void ofApp::update() {

ofSeedRandom(39);

this->face.clear();

this->frame.clear();

auto noise_location = glm::vec2(ofMap(ofNoise(ofRandom(1000), ofGetFrameNum() * 0.008), 0, 1, -300, 300), ofMap(ofNoise(ofRandom(1000), ofGetFrameNum() * 0.008), 0, 1, -300, 300));

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

auto distance = glm::distance(this->box_location_list[i], noise_location);

if (distance < 40) {

this->box_height_list[i] += this->box_height_list[i] > 300 ? 1 : distance * 0.5;

}

this->setBoxToMesh(this->face, this->frame, glm::vec3(this->box_location_list[i], this->box_height_list[i] * 0.5), 18, 18, this->box_height_list[i], ofColor(this->box_color_list[i], 92), this->box_color_list[i]);

this->box_height_list[i] = this->box_height_list[i] <= 0 ? 0 : this->box_height_list[i] - 3;

}

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

void ofApp::draw() {

this->cam.begin();

ofRotateZ(45);

this->face.draw();

this->frame.drawWireframe();

this->cam.end();

}

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

void ofApp::setBoxToMesh(ofMesh& face_target, ofMesh& frame_target, glm::vec3 location, float size, ofColor face_color, ofColor frame_color) {

this->setBoxToMesh(face_target, frame_target, location, size, size, size, face_color, frame_color);

}

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

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

int face_index = face_target.getNumVertices();

int frame_index = frame_target.getNumVertices();

face_target.addVertex(location + glm::vec3(width * -0.5, height * 0.5, depth * -0.5));

face_target.addVertex(location + glm::vec3(width * 0.5, height * 0.5, depth * -0.5));

face_target.addVertex(location + glm::vec3(width * 0.5, height * 0.5, depth * 0.5));

face_target.addVertex(location + glm::vec3(width * -0.5, height * 0.5, depth * 0.5));

face_target.addVertex(location + glm::vec3(width * -0.5, height * -0.5, depth * -0.5));

face_target.addVertex(location + glm::vec3(width * 0.5, height * -0.5, depth * -0.5));

face_target.addVertex(location + glm::vec3(width * 0.5, height * -0.5, depth * 0.5));

face_target.addVertex(location + glm::vec3(width * -0.5, height * -0.5, depth * 0.5));

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 + 1);

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

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

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

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

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

face_target.addIndex(face_index + 3); face_target.addIndex(face_index + 7); face_target.addIndex(face_index + 4);

face_target.addIndex(face_index + 4); face_target.addIndex(face_index + 0); face_target.addIndex(face_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(frame_index + 0); frame_target.addIndex(frame_index + 1);

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

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

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

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

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

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

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

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

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

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

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

for (int i = 0; i < 8; 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/Insta20200509

2020年5月8日2020年5月8日

Colorful and Ribbon Random Walk. Draw by openFrameworks

[ Video ]

[ About ]
Colorful and Ribbon Random Walk.

[ 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;

	vector<ofMesh> mesh_list;
	vector<ofMesh> frame_list;
	vector<glm::vec3> direction_list;
	vector<glm::vec3> noise_seed_list;
	vector<ofColor> color_list;
};

#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;

vector<ofMesh> mesh_list;

vector<ofMesh> frame_list;

vector<glm::vec3> direction_list;

vector<glm::vec3> noise_seed_list;

vector<ofColor> color_list;

};

#include "ofApp.h"

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

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

	ofBackground(0);
	ofSetLineWidth(3);
	ofEnableDepthTest();
	ofEnableBlendMode(ofBlendMode::OF_BLENDMODE_ADD);
}

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

	float alpha = 96;
	if (ofGetFrameNum() % 8 == 0 && this->frame_list.size() < 300) {

		ofColor color;
		color.setHsb(ofRandom(255), 255, 255);
		this->color_list.push_back(color);

		ofMesh mesh, frame;
		frame.setMode(ofPrimitiveMode::OF_PRIMITIVE_LINES);
		int r = ofRandom(3);
		switch (r) {
		case 0:
			mesh.addVertex(glm::vec3(5, 0, 0));
			mesh.addVertex(glm::vec3(-5, 0, 0));
			mesh.addColor(ofColor(color, alpha));
			mesh.addColor(ofColor(color, alpha));
			frame.addVertex(glm::vec3(5, 0, 0));
			frame.addVertex(glm::vec3(-5, 0, 0));
			frame.addColor(color);
			frame.addColor(color);
			break;
		case 1:
			mesh.addVertex(glm::vec3(0, 5, 0));
			mesh.addVertex(glm::vec3(0, -5, 0));
			mesh.addColor(ofColor(color, alpha));
			mesh.addColor(ofColor(color, alpha));
			frame.addVertex(glm::vec3(0, 5, 0));
			frame.addVertex(glm::vec3(0, -5, 0));
			frame.addColor(color);
			frame.addColor(color);
			break;
		case 2:
			mesh.addVertex(glm::vec3(0, 0, 5));
			mesh.addVertex(glm::vec3(0, 0, -5));
			mesh.addColor(ofColor(color, alpha));
			mesh.addColor(ofColor(color, alpha));
			frame.addVertex(glm::vec3(0, 0, 5));
			frame.addVertex(glm::vec3(0, 0, -5));
			frame.addColor(color);
			frame.addColor(color);
			break;
		}

		frame.addIndex(0); 
		frame.addIndex(1);

		this->mesh_list.push_back(mesh);
		this->frame_list.push_back(frame);

		auto direction = glm::vec3(ofRandom(-1, 1), ofRandom(-1, 1), ofRandom(-1, 1));
		direction = glm::normalize(direction) * 5;
		this->direction_list.push_back(direction);

		auto noise_seed = glm::vec3(glm::vec3(ofRandom(1000), ofRandom(1000), ofRandom(1000)));
		this->noise_seed_list.push_back(noise_seed);
	}

	for (int i = this->mesh_list.size() - 1; i > -1; i--) {

		auto angle_x = ofMap(ofNoise(this->noise_seed_list[i].x, ofGetFrameNum() * 0.01), 0, 1, -PI, PI);
		auto angle_y = ofMap(ofNoise(this->noise_seed_list[i].y, ofGetFrameNum() * 0.01), 0, 1, -PI, PI);
		auto angle_z = ofMap(ofNoise(this->noise_seed_list[i].z, ofGetFrameNum() * 0.01), 0, 1, -PI, 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));

		glm::vec3 rotate_direction = glm::vec4(this->direction_list[i], 0) * rotation_z * rotation_y * rotation_x;

		auto right = this->mesh_list[i].getVertex(this->mesh_list[i].getNumVertices() - 2);
		auto left = this->mesh_list[i].getVertex(this->mesh_list[i].getNumVertices() - 1);

		this->mesh_list[i].addVertex(right + rotate_direction);
		this->mesh_list[i].addVertex(left + rotate_direction);
		this->mesh_list[i].addColor(ofColor(this->color_list[i], alpha));
		this->mesh_list[i].addColor(ofColor(this->color_list[i], alpha));

		this->frame_list[i].addVertex(right + rotate_direction);
		this->frame_list[i].addVertex(left + rotate_direction);
		this->frame_list[i].addColor(this->color_list[i]);
		this->frame_list[i].addColor(this->color_list[i]);

		if (this->mesh_list[i].getNumVertices() > 100) {

			this->mesh_list[i].removeVertex(1);
			this->mesh_list[i].removeVertex(0);
			this->mesh_list[i].removeColor(1);
			this->mesh_list[i].removeColor(0);
		}
		else {

			int index = this->mesh_list[i].getNumVertices() - 1;
			this->mesh_list[i].addIndex(index); this->mesh_list[i].addIndex(index - 2); this->mesh_list[i].addIndex(index - 3);
			this->mesh_list[i].addIndex(index); this->mesh_list[i].addIndex(index - 1); this->mesh_list[i].addIndex(index - 3);
		}

		if (this->frame_list[i].getNumVertices() > 100) {

			this->frame_list[i].removeVertex(1);
			this->frame_list[i].removeVertex(0);
			this->frame_list[i].removeColor(1);
			this->frame_list[i].removeColor(0);
		}
		else {

			int index = this->frame_list[i].getNumVertices() - 1;
			this->frame_list[i].addIndex(index); this->frame_list[i].addIndex(index - 2);
			this->frame_list[i].addIndex(index - 1); this->frame_list[i].addIndex(index - 3);

			if (index == 99) {

				this->frame_list[i].addIndex(98);
				this->frame_list[i].addIndex(99);
			}
		}
	}
}

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

	this->cam.begin();
	ofRotateY(ofGetFrameNum() * 0.25);

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

		this->mesh_list[i].draw();
		this->frame_list[i].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(0);

ofSetLineWidth(3);

ofEnableDepthTest();

ofEnableBlendMode(ofBlendMode::OF_BLENDMODE_ADD);

}

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

void ofApp::update() {

float alpha = 96;

if (ofGetFrameNum() % 8 == 0 && this->frame_list.size() < 300) {

ofColor color;

color.setHsb(ofRandom(255), 255, 255);

this->color_list.push_back(color);

ofMesh mesh, frame;

frame.setMode(ofPrimitiveMode::OF_PRIMITIVE_LINES);

int r = ofRandom(3);

switch (r) {

case 0:

mesh.addVertex(glm::vec3(5, 0, 0));

mesh.addVertex(glm::vec3(-5, 0, 0));

mesh.addColor(ofColor(color, alpha));

frame.addVertex(glm::vec3(5, 0, 0));

frame.addVertex(glm::vec3(-5, 0, 0));

frame.addColor(color);

break;

case 1:

mesh.addVertex(glm::vec3(0, 5, 0));

mesh.addVertex(glm::vec3(0, -5, 0));

mesh.addColor(ofColor(color, alpha));

frame.addVertex(glm::vec3(0, 5, 0));

frame.addVertex(glm::vec3(0, -5, 0));

frame.addColor(color);

break;

case 2:

mesh.addVertex(glm::vec3(0, 0, 5));

mesh.addVertex(glm::vec3(0, 0, -5));

mesh.addColor(ofColor(color, alpha));

frame.addVertex(glm::vec3(0, 0, 5));

frame.addVertex(glm::vec3(0, 0, -5));

frame.addColor(color);

break;

}

frame.addIndex(0);

frame.addIndex(1);

this->mesh_list.push_back(mesh);

this->frame_list.push_back(frame);

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

direction = glm::normalize(direction) * 5;

this->direction_list.push_back(direction);

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

this->noise_seed_list.push_back(noise_seed);

}

for (int i = this->mesh_list.size() - 1; i > -1; i--) {

auto angle_x = ofMap(ofNoise(this->noise_seed_list[i].x, ofGetFrameNum() * 0.01), 0, 1, -PI, PI);

auto angle_y = ofMap(ofNoise(this->noise_seed_list[i].y, ofGetFrameNum() * 0.01), 0, 1, -PI, PI);

auto angle_z = ofMap(ofNoise(this->noise_seed_list[i].z, ofGetFrameNum() * 0.01), 0, 1, -PI, 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));

glm::vec3 rotate_direction = glm::vec4(this->direction_list[i], 0) * rotation_z * rotation_y * rotation_x;

auto right = this->mesh_list[i].getVertex(this->mesh_list[i].getNumVertices() - 2);

auto left = this->mesh_list[i].getVertex(this->mesh_list[i].getNumVertices() - 1);

this->mesh_list[i].addVertex(right + rotate_direction);

this->mesh_list[i].addVertex(left + rotate_direction);

this->mesh_list[i].addColor(ofColor(this->color_list[i], alpha));

this->frame_list[i].addVertex(right + rotate_direction);

this->frame_list[i].addVertex(left + rotate_direction);

this->frame_list[i].addColor(this->color_list[i]);

if (this->mesh_list[i].getNumVertices() > 100) {

this->mesh_list[i].removeVertex(1);

this->mesh_list[i].removeVertex(0);

this->mesh_list[i].removeColor(1);

this->mesh_list[i].removeColor(0);

}

else {

int index = this->mesh_list[i].getNumVertices() - 1;

this->mesh_list[i].addIndex(index); this->mesh_list[i].addIndex(index - 2); this->mesh_list[i].addIndex(index - 3);

this->mesh_list[i].addIndex(index); this->mesh_list[i].addIndex(index - 1); this->mesh_list[i].addIndex(index - 3);

}

if (this->frame_list[i].getNumVertices() > 100) {

this->frame_list[i].removeVertex(1);

this->frame_list[i].removeVertex(0);

this->frame_list[i].removeColor(1);

this->frame_list[i].removeColor(0);

}

else {

int index = this->frame_list[i].getNumVertices() - 1;

this->frame_list[i].addIndex(index); this->frame_list[i].addIndex(index - 2);

this->frame_list[i].addIndex(index - 1); this->frame_list[i].addIndex(index - 3);

if (index == 99) {

this->frame_list[i].addIndex(98);

this->frame_list[i].addIndex(99);

}

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

void ofApp::draw() {

this->cam.begin();

ofRotateY(ofGetFrameNum() * 0.25);

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

this->mesh_list[i].draw();

this->frame_list[i].drawWireframe();

}

this->cam.end();

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20200508

2020年5月
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