openFrameworks – ページ 741 – プログラミング de 落描き

2019年4月14日

Imcomplate square. Draw by openFrameworks

[ Video ]

[ About ]
立方体による不完全な四角

Imcomplate 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;
	glm::vec2 make_point(int len, int param);
};

#pragma once

#include "ofMain.h"

class ofApp : public ofBaseApp {

public:

void setup();

void update();

void draw();

void keyPressed(int key) {};

void keyReleased(int key) {};

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

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

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

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

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

void dragEvent(ofDragInfo dragInfo) {};

void gotMessage(ofMessage msg) {};

ofEasyCam cam;

glm::vec2 make_point(int len, int param);

};

#include "ofApp.h"

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

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

	ofBackground(239);
	ofEnableDepthTest();
}

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

}

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

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

	for (int z = -250; z <= 250; z += 20) {

		for (int start = 0; start < 100; start += 20) {

			for (int i = start; i < start + 10; i += 1) {

				auto location = glm::vec3(this->make_point(500, (ofGetFrameNum() * 0.85) + i + (z + 200) / 20), z);

				ofFill();
				ofSetColor(239);
				ofDrawBox(location, 18);

				ofNoFill();
				ofSetColor(39);
				ofDrawBox(location, 19);
			}
		}
	}

	this->cam.end();
}

//--------------------------------------------------------------
glm::vec2 ofApp::make_point(int len, int param) {

	param = param % 100;
	if (param < 25) {

		return glm::vec2(ofMap(param, 0, 25, -len * 0.5, len * 0.5), -len * 0.5);
	}
	else if (param < 50) {

		return glm::vec2(len * 0.5, ofMap(param, 25, 50, -len * 0.5, len * 0.5));
	}
	else if (param < 75) {

		return glm::vec2(ofMap(param, 50, 75, len * 0.5, -len * 0.5), len * 0.5);
	}
	else {

		return glm::vec2(-len * 0.5, ofMap(param, 75, 100, len * 0.5, -len * 0.5));
	}
}

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

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

#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(60);

ofSetWindowTitle("openFrameworks");

ofBackground(239);

ofEnableDepthTest();

}

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

void ofApp::update() {

}

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

void ofApp::draw() {

this->cam.begin();

ofRotateY(ofGetFrameNum());

for (int z = -250; z <= 250; z += 20) {

for (int start = 0; start < 100; start += 20) {

for (int i = start; i < start + 10; i += 1) {

auto location = glm::vec3(this->make_point(500, (ofGetFrameNum() * 0.85) + i + (z + 200) / 20), z);

ofFill();

ofSetColor(239);

ofDrawBox(location, 18);

ofNoFill();

ofSetColor(39);

ofDrawBox(location, 19);

}

this->cam.end();

}

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

glm::vec2 ofApp::make_point(int len, int param) {

param = param % 100;

if (param < 25) {

return glm::vec2(ofMap(param, 0, 25, -len * 0.5, len * 0.5), -len * 0.5);

}

else if (param < 50) {

return glm::vec2(len * 0.5, ofMap(param, 25, 50, -len * 0.5, len * 0.5));

}

else if (param < 75) {

return glm::vec2(ofMap(param, 50, 75, len * 0.5, -len * 0.5), len * 0.5);

}

else {

return glm::vec2(-len * 0.5, ofMap(param, 75, 100, len * 0.5, -len * 0.5));

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]

2019年4月13日

Near particles. openFrameworks

[ Video ]

[ About ]
近くのパーティクルを結んで多角形を描く

Near particles.

[ 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(0);
}

//--------------------------------------------------------------
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) < 40) {

				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) {

		vector<glm::vec2> near_location;

		ofSetColor(255);
		ofDrawCircle(location, 3);
		for (auto& other : this->locations) {

			if (location == other) { continue; }
			float distance = glm::distance(location, other);
			if (distance < 50) {

				near_location.push_back(other);
			}
		}

		if (near_location.size() > 3) {

			ofSetColor(255, 128);
			ofBeginShape();
			ofVertices(near_location);
			ofEndShape(true);
		}
	}
}

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

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

#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(60);

ofSetWindowTitle("openFrameworks");

ofBackground(0);

}

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

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) < 40) {

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) {

vector<glm::vec2> near_location;

ofSetColor(255);

ofDrawCircle(location, 3);

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

if (location == other) { continue; }

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

if (distance < 50) {

near_location.push_back(other);

}

if (near_location.size() > 3) {

ofSetColor(255, 128);

ofBeginShape();

ofVertices(near_location);

ofEndShape(true);

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

2019年4月12日2019年4月12日

Particles reflected in a circle. openFrameworks

[ Video ]

[ 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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