2019年4月 – ページ 7 – プログラミング de 落描き

2019年4月12日2019年4月12日

Particles reflected in a circle. openFrameworks

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[ About ]
円の中で反射するパーティクル

Particles reflected in a circle.

[ Source ]

#pragma once
#include "ofMain.h"

class ofApp : public ofBaseApp {

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

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

	vector<glm::vec2> bases;
	vector<glm::vec2> locations;
	vector<glm::vec2> directions;
};

#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) {};

vector<glm::vec2> bases;

vector<glm::vec2> locations;

vector<glm::vec2> directions;

};

#include "ofApp.h"

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

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

	ofBackground(0);
	ofSetColor(39);
	ofSetLineWidth(2);

	for (int x = -240; x <= 240; x += 240) {

		for (int y = -240; y <= 240; y += 240) {

			for(int i = 0; i < 80; i++){

				auto base = glm::vec2(x, y);

				auto direction = glm::vec2(ofRandom(-1, 1), ofRandom(-1, 1));
				direction = glm::normalize(direction) * ofRandom(1, 4);

				auto location = glm::vec2(ofRandom(-1, 1), ofRandom(-1, 1));
				location = glm::normalize(location) * ofRandom(1, 100);

				this->bases.push_back(base);
				this->locations.push_back(base + location);
				this->directions.push_back(direction);
			}
		}
	}
}

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

	for (int i = this->locations.size() - 1; i >= 0; i--) {

		auto future = this->locations[i] + this->directions[i];
		if (glm::distance(this->bases[i], future) > 100) {

			auto len = glm::length(this->directions[i]);
			auto direction = glm::vec2(ofRandom(-1, 1), ofRandom(-1, 1));
			direction = glm::normalize(direction) * len;
			this->directions[i] = direction;
		}
		else {

			this->locations[i] = future;
		}
	}
}

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

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

	for (auto& location : this->locations) {

		ofSetColor(239);
		ofDrawCircle(location, 3);
		for (auto& other : this->locations) {

			if (location == other) { continue; }
			float distance = glm::distance(location, other);
			if (distance < 30) {
				
				ofSetColor(239, ofMap(distance, 0, 30, 255, 64));
				ofDrawLine(location, other);
			}
		}

	}
}

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

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

#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(60);

ofSetWindowTitle("openFrameworks");

ofBackground(0);

ofSetColor(39);

ofSetLineWidth(2);

for (int x = -240; x <= 240; x += 240) {

for (int y = -240; y <= 240; y += 240) {

for(int i = 0; i < 80; i++){

auto base = glm::vec2(x, y);

auto direction = glm::vec2(ofRandom(-1, 1), ofRandom(-1, 1));

direction = glm::normalize(direction) * ofRandom(1, 4);

auto location = glm::vec2(ofRandom(-1, 1), ofRandom(-1, 1));

location = glm::normalize(location) * ofRandom(1, 100);

this->bases.push_back(base);

this->locations.push_back(base + location);

this->directions.push_back(direction);

}

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

void ofApp::update() {

for (int i = this->locations.size() - 1; i >= 0; i--) {

auto future = this->locations[i] + this->directions[i];

if (glm::distance(this->bases[i], future) > 100) {

auto len = glm::length(this->directions[i]);

auto direction = glm::vec2(ofRandom(-1, 1), ofRandom(-1, 1));

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

this->directions[i] = direction;

}

else {

this->locations[i] = future;

}

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

void ofApp::draw() {

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

for (auto& location : this->locations) {

ofSetColor(239);

ofDrawCircle(location, 3);

for (auto& other : this->locations) {

if (location == other) { continue; }

float distance = glm::distance(location, other);

if (distance < 30) {

ofSetColor(239, ofMap(distance, 0, 30, 255, 64));

ofDrawLine(location, other);

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20190412

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2019年4月11日2019年4月11日

Particle generator. openFrameworks

[ Video ]

[ About ]
お互いに近づくと線を生成するパーティクルを生成

Particle generator.

[ 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) {};

	vector<glm::vec2> locations;
	vector<glm::vec2> bases;
	vector<glm::vec2> directions;
};

#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) {};

vector<glm::vec2> locations;

vector<glm::vec2> bases;

vector<glm::vec2> directions;

};

#include "ofApp.h"

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

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

	ofBackground(239);
	ofSetColor(39);
	ofSetLineWidth(2);
}

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

	for (int i = this->locations.size() - 1; i >= 0; i--) {

		this->locations[i] += this->directions[i];
		if (glm::distance(this->bases[i], this->locations[i]) > 100) {

			this->locations.erase(this->locations.begin() + i);
			this->bases.erase(this->bases.begin() + i);
			this->directions.erase(this->directions.begin() + i);
		}
	}

	for (int x = -240; x <= 240; x += 240) {

		for (int y = -240; y <= 240; y += 240) {

			if (ofRandom(100) < 50) {

				auto direction = glm::vec2(ofRandom(-1, 1), ofRandom(-1, 1));
				direction = glm::normalize(direction) * ofRandom(1, 3);

				this->locations.push_back(glm::vec2(x, y));
				this->bases.push_back(glm::vec2(x, y));
				this->directions.push_back(direction);
			}
		}
	}
}

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

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

	for (auto& location : this->locations) {

		ofSetColor(39);
		ofDrawCircle(location, 3);
		for (auto& other : this->locations) {

			if (location == other) { continue; }
			float distance = glm::distance(location, other);
			if (distance < 30) {
				
				ofSetColor(39, ofMap(distance, 0, 30, 255, 64));
				ofDrawLine(location, other);
			}
		}

	}
}

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

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

#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(60);

ofSetWindowTitle("openFrameworks");

ofBackground(239);

ofSetColor(39);

ofSetLineWidth(2);

}

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

void ofApp::update() {

for (int i = this->locations.size() - 1; i >= 0; i--) {

this->locations[i] += this->directions[i];

if (glm::distance(this->bases[i], this->locations[i]) > 100) {

this->locations.erase(this->locations.begin() + i);

this->bases.erase(this->bases.begin() + i);

this->directions.erase(this->directions.begin() + i);

}

for (int x = -240; x <= 240; x += 240) {

for (int y = -240; y <= 240; y += 240) {

if (ofRandom(100) < 50) {

auto direction = glm::vec2(ofRandom(-1, 1), ofRandom(-1, 1));

direction = glm::normalize(direction) * ofRandom(1, 3);

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

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

this->directions.push_back(direction);

}

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

void ofApp::draw() {

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

for (auto& location : this->locations) {

ofSetColor(39);

ofDrawCircle(location, 3);

for (auto& other : this->locations) {

if (location == other) { continue; }

float distance = glm::distance(location, other);

if (distance < 30) {

ofSetColor(39, ofMap(distance, 0, 30, 255, 64));

ofDrawLine(location, other);

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20190411

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2019年4月10日2019年4月10日

Twisting square. openFrameworks

[ Video ]

[ About ]
ねじれる正方形

Twisting square.

[ 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<vector<glm::vec3>> base_rects, rects;
};

#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<vector<glm::vec3>> base_rects, rects;

};

#include "ofApp.h"

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

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

	ofBackground(239);
	ofSetColor(39);
	ofSetLineWidth(2);
	ofNoFill();
	ofEnableDepthTest();

	int len = 400;
	int span = len * 0.1;
	for (int x = len * -0.5; x < len * 0.5; x += span) {

		for (int y = len * -0.5; y < len * 0.5; y += span) {

			int z = len * 0.5;		
			for (int i = 0; i < 4; i++) {
			
				auto rotation_y = glm::rotate(glm::mat4(), (float)(i * 90 * DEG_TO_RAD), glm::vec3(0, 1, 0));

				vector<glm::vec3> rect;
				rect.push_back(glm::vec4(x, y, z, 0) * rotation_y);
				rect.push_back(glm::vec4(x + span, y, z, 0) * rotation_y);
				rect.push_back(glm::vec4(x + span, y + span, z, 0) * rotation_y);
				rect.push_back(glm::vec4(x, y + span, z, 0) * rotation_y);
				this->base_rects.push_back(rect);
			}

			for (int i = 0; i < 2; i++) {

				auto rotation_x = glm::rotate(glm::mat4(), (float)((90 + i * 180) * DEG_TO_RAD), glm::vec3(1, 0, 0));

				vector<glm::vec3> rect;
				rect.push_back(glm::vec4(x, y, z, 0) * rotation_x);
				rect.push_back(glm::vec4(x + span, y, z, 0) * rotation_x);
				rect.push_back(glm::vec4(x + span, y + span, z, 0) * rotation_x);
				rect.push_back(glm::vec4(x, y + span, z, 0) * rotation_x);
				this->base_rects.push_back(rect);
			}
		}
	}
}


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

	this->rects.clear();
	for (auto& base_rect : this->base_rects) {

		vector<glm::vec3> rect;
		for (auto& point : base_rect) {

			auto rotation_y = glm::rotate(glm::mat4(), ofMap(ofNoise(point.y * 0.001 + ofGetFrameNum() * 0.01), 0, 1, -PI, PI), glm::vec3(0, 1, 0));
			glm::vec3 location = glm::vec4(point, 0) * rotation_y;

			rect.push_back(location);
		}

		this->rects.push_back(rect);
	}

}

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

	this->cam.begin();

	for (auto& rect : this->rects) {

		vector<glm::vec3> fill_rect;
		for (auto& point : rect) {

			fill_rect.push_back(point * 0.99);
		}

		ofFill();
		ofSetColor(239);
		ofBeginShape();
		ofVertices(fill_rect);
		ofEndShape(true);

		ofNoFill();
		ofSetColor(39);
		ofBeginShape();
		ofVertices(rect);
		ofEndShape(true);
	}

	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);

ofSetColor(39);

ofSetLineWidth(2);

ofNoFill();

ofEnableDepthTest();

int len = 400;

int span = len * 0.1;

for (int x = len * -0.5; x < len * 0.5; x += span) {

for (int y = len * -0.5; y < len * 0.5; y += span) {

int z = len * 0.5;

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

auto rotation_y = glm::rotate(glm::mat4(), (float)(i * 90 * DEG_TO_RAD), glm::vec3(0, 1, 0));

vector<glm::vec3> rect;

rect.push_back(glm::vec4(x, y, z, 0) * rotation_y);

rect.push_back(glm::vec4(x + span, y, z, 0) * rotation_y);

rect.push_back(glm::vec4(x + span, y + span, z, 0) * rotation_y);

rect.push_back(glm::vec4(x, y + span, z, 0) * rotation_y);

this->base_rects.push_back(rect);

}

for (int i = 0; i < 2; i++) {

auto rotation_x = glm::rotate(glm::mat4(), (float)((90 + i * 180) * DEG_TO_RAD), glm::vec3(1, 0, 0));

vector<glm::vec3> rect;

rect.push_back(glm::vec4(x, y, z, 0) * rotation_x);

rect.push_back(glm::vec4(x + span, y, z, 0) * rotation_x);

rect.push_back(glm::vec4(x + span, y + span, z, 0) * rotation_x);

rect.push_back(glm::vec4(x, y + span, z, 0) * rotation_x);

this->base_rects.push_back(rect);

}

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

void ofApp::update() {

this->rects.clear();

for (auto& base_rect : this->base_rects) {

vector<glm::vec3> rect;

for (auto& point : base_rect) {

auto rotation_y = glm::rotate(glm::mat4(), ofMap(ofNoise(point.y * 0.001 + ofGetFrameNum() * 0.01), 0, 1, -PI, PI), glm::vec3(0, 1, 0));

glm::vec3 location = glm::vec4(point, 0) * rotation_y;

rect.push_back(location);

}

this->rects.push_back(rect);

}

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

void ofApp::draw() {

this->cam.begin();

for (auto& rect : this->rects) {

vector<glm::vec3> fill_rect;

for (auto& point : rect) {

fill_rect.push_back(point * 0.99);

}

ofFill();

ofSetColor(239);

ofBeginShape();

ofVertices(fill_rect);

ofEndShape(true);

ofNoFill();

ofSetColor(39);

ofBeginShape();

ofVertices(rect);

ofEndShape(true);

}

this->cam.end();

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20190410

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