Particle – ページ 4 – プログラミング de 落描き

2019年7月8日2019年7月8日

Particle on the cylinder. openFrameworks

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円柱上のパーティクル。

Particle on the cylinder.

[ 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;
};

#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;

};

#include "ofApp.h"

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

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

	ofBackground(239);
	ofSetColor(39);
	ofEnableDepthTest();
}

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

	ofSeedRandom(39);
}

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

	this->cam.begin();
	ofRotateX(315);
	
	auto radius = 300;
	auto deg_span = 5;
	vector<glm::vec3> locations;
	for (int deg = 0; deg < 360; deg += deg_span) {

		locations.push_back(glm::vec3(radius * cos(deg * DEG_TO_RAD), radius * sin(deg * DEG_TO_RAD), -radius));
		locations.push_back(glm::vec3(radius * cos(deg * DEG_TO_RAD), radius * sin(deg * DEG_TO_RAD), radius));
	}
	
	for (int i = 0; i < 500; i++) {

		int z = (int)(ofRandom(radius * 2) + ofGetFrameNum() * ofRandom(1, 3)) % radius * 2 - radius;
		int deg = (int)ofRandom(0, 360) / deg_span * deg_span;

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

	for (auto& location : locations) {

		ofSetColor(39, ofMap(location.y, -radius, radius, 255, 32));
		ofDrawSphere(location, 3);
		for (auto& other : locations) {

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

				ofDrawLine(location, other);
			}
		}
	}

	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);

ofSetColor(39);

ofEnableDepthTest();

}

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

void ofApp::update() {

ofSeedRandom(39);

}

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

void ofApp::draw() {

this->cam.begin();

ofRotateX(315);

auto radius = 300;

auto deg_span = 5;

vector<glm::vec3> locations;

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

locations.push_back(glm::vec3(radius * cos(deg * DEG_TO_RAD), radius * sin(deg * DEG_TO_RAD), -radius));

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

}

for (int i = 0; i < 500; i++) {

int z = (int)(ofRandom(radius * 2) + ofGetFrameNum() * ofRandom(1, 3)) % radius * 2 - radius;

int deg = (int)ofRandom(0, 360) / deg_span * deg_span;

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

}

for (auto& location : locations) {

ofSetColor(39, ofMap(location.y, -radius, radius, 255, 32));

ofDrawSphere(location, 3);

for (auto& other : locations) {

if (location == other) { continue; }

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

if (distance < 50) {

ofDrawLine(location, other);

}

this->cam.end();

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20190708

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2019年6月4日2019年6月4日

Particle in donut. openFrameworks

[ Video ]

[ About ]
ドーナツの中のパーティクル

Particle in donut.

[ 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) {};

	glm::vec3 make_point(float R, float r, float u, float v);

	ofEasyCam cam;
};

#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) {};

glm::vec3 make_point(float R, float r, float u, float v);

ofEasyCam cam;

};

#include "ofApp.h"

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

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

	ofBackground(0);
	ofEnableDepthTest();
}

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

	ofSeedRandom(39);
}

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

	this->cam.begin();

	int n = 300;
	vector<glm::vec3> locations(n);
	for (int i = 0; i < n; i++) {

		auto R = 300;
		auto r = ofRandom(30, 80);
		auto u = ofRandom(360) + ofGetFrameNum() * ofRandom(0.5, 1.0) * (ofRandom(1) < 0.5 ? 1 : -1);
		auto v = ofRandom(360) + ofGetFrameNum() * ofRandom(0.5, 1.0) * (ofRandom(1) < 0.5 ? 1 : -1);

		locations[i] = this->make_point(R, r, u, v);
	}

	ofFill();
	ofSetColor(255);
	for (auto& location : locations) {

		ofDrawSphere(location, 3);
		for (auto& other : locations) {

			if (location == other) { continue; }

			auto distance = glm::distance(location, other);
			if (distance < 40) {

				ofDrawLine(location, other);
			}
		}
	}

	ofNoFill();
	ofSetColor(255, 64);
	auto R = 300;
	auto r = 100;
	for (auto v = 0; v < 360; v += 10) {

		for (auto u = 0; u < 360; u += 20) {

			ofBeginShape();
			ofVertex(this->make_point(R, r, u - 10, v - 5));
			ofVertex(this->make_point(R, r, u + 10, v - 5));
			ofVertex(this->make_point(R, r, u + 10, v + 5));
			ofVertex(this->make_point(R, r, u - 10, v + 5));
			ofEndShape(true);
		}
	}


	this->cam.end();
}

//--------------------------------------------------------------
glm::vec3 ofApp::make_point(float R, float r, float u, float v) {

	// 数学デッサン教室 描いて楽しむ数学たち　P.31

	u *= DEG_TO_RAD;
	v *= DEG_TO_RAD;

	auto x = (R + r * cos(u)) * cos(v);
	auto y = (R + r * cos(u)) * sin(v);
	auto z = r * sin(u);

	return glm::vec3(x, y, z);
}

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

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

#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(60);

ofSetWindowTitle("openframeworks");

ofBackground(0);

ofEnableDepthTest();

}

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

void ofApp::update() {

ofSeedRandom(39);

}

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

void ofApp::draw() {

this->cam.begin();

int n = 300;

vector<glm::vec3> locations(n);

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

auto R = 300;

auto r = ofRandom(30, 80);

auto u = ofRandom(360) + ofGetFrameNum() * ofRandom(0.5, 1.0) * (ofRandom(1) < 0.5 ? 1 : -1);

auto v = ofRandom(360) + ofGetFrameNum() * ofRandom(0.5, 1.0) * (ofRandom(1) < 0.5 ? 1 : -1);

locations[i] = this->make_point(R, r, u, v);

}

ofFill();

ofSetColor(255);

for (auto& location : locations) {

ofDrawSphere(location, 3);

for (auto& other : locations) {

if (location == other) { continue; }

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

if (distance < 40) {

ofDrawLine(location, other);

}

ofNoFill();

ofSetColor(255, 64);

auto R = 300;

auto r = 100;

for (auto v = 0; v < 360; v += 10) {

for (auto u = 0; u < 360; u += 20) {

ofBeginShape();

ofVertex(this->make_point(R, r, u - 10, v - 5));

ofVertex(this->make_point(R, r, u + 10, v - 5));

ofVertex(this->make_point(R, r, u + 10, v + 5));

ofVertex(this->make_point(R, r, u - 10, v + 5));

ofEndShape(true);

}

this->cam.end();

}

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

glm::vec3 ofApp::make_point(float R, float r, float u, float v) {

// 数学デッサン教室描いて楽しむ数学たち　P.31

u *= DEG_TO_RAD;

v *= DEG_TO_RAD;

auto x = (R + r * cos(u)) * cos(v);

auto y = (R + r * cos(u)) * sin(v);

auto z = r * sin(u);

return glm::vec3(x, y, z);

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20190604

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Amazon

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2019年6月2日2019年6月2日

Particle on donut. openFrameworks

[ Video ]

[ About ]
ドーナツの上のパーティクル

Particle on donut.

[ 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) {};
};

#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) {};

};

#include "ofApp.h"

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

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

	ofBackground(239);
	ofSetColor(39);
	ofSetLineWidth(3);
	ofEnableDepthTest();
}

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

	ofSeedRandom(39);
}

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

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

	auto radius_min = 120;
	auto radius_max = 320;
	vector<glm::vec2> random_locations;

	ofFill();
	for (int i = 0; i < 120; i++) {

		auto random_radius = ofRandom(radius_min + 10, radius_max - 10);
		auto random_deg = ofRandom(360) + ofGetFrameNum() * ofRandom(0.5, 1.5) * (ofRandom(1) < 0.5 ? 1 : -1);
		auto random_location = glm::vec2(random_radius * cos(random_deg * DEG_TO_RAD), random_radius * sin(random_deg * DEG_TO_RAD));
		random_locations.push_back(random_location);

		ofDrawCircle(random_location, 5);
	}

	for (auto& location : random_locations) {

		for (auto& other : random_locations) {

			if (location == other) { continue; }

			auto distance = glm::distance(location, other);
			if (distance < 40) {

				ofDrawLine(location, other);
			}
		}
	}

	vector<glm::vec2> vertices_min, vertices_max;
	for (int deg = 0; deg < 360; deg++) {

		vertices_min.push_back(glm::vec2(radius_min * cos(deg * DEG_TO_RAD), radius_min * sin(deg * DEG_TO_RAD)));
		vertices_max.push_back(glm::vec2(radius_max * cos(deg * DEG_TO_RAD), radius_max * sin(deg * DEG_TO_RAD)));
	}

	ofNoFill();
	ofBeginShape();
	ofVertices(vertices_min);
	ofEndShape(true);

	ofBeginShape();
	ofVertices(vertices_max);
	ofEndShape(true);
}

//--------------------------------------------------------------
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(3);

ofEnableDepthTest();

}

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

void ofApp::update() {

ofSeedRandom(39);

}

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

void ofApp::draw() {

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

auto radius_min = 120;

auto radius_max = 320;

vector<glm::vec2> random_locations;

ofFill();

for (int i = 0; i < 120; i++) {

auto random_radius = ofRandom(radius_min + 10, radius_max - 10);

auto random_deg = ofRandom(360) + ofGetFrameNum() * ofRandom(0.5, 1.5) * (ofRandom(1) < 0.5 ? 1 : -1);

auto random_location = glm::vec2(random_radius * cos(random_deg * DEG_TO_RAD), random_radius * sin(random_deg * DEG_TO_RAD));

random_locations.push_back(random_location);

ofDrawCircle(random_location, 5);

}

for (auto& location : random_locations) {

for (auto& other : random_locations) {

if (location == other) { continue; }

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

if (distance < 40) {

ofDrawLine(location, other);

}

vector<glm::vec2> vertices_min, vertices_max;

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

vertices_min.push_back(glm::vec2(radius_min * cos(deg * DEG_TO_RAD), radius_min * sin(deg * DEG_TO_RAD)));

vertices_max.push_back(glm::vec2(radius_max * cos(deg * DEG_TO_RAD), radius_max * sin(deg * DEG_TO_RAD)));

}

ofNoFill();

ofBeginShape();

ofVertices(vertices_min);

ofEndShape(true);

ofBeginShape();

ofVertices(vertices_max);

ofEndShape(true);

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20190602

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