sphere – ページ 60 – プログラミング de 落描き

2019年4月22日2019年4月22日

Point on IcoSphere. openFrameworks

[ Video ]

[ About ]
IcoSphere上の座標を動かして遊ぶ

Point on IcoSphere.

[ 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) {};
	
	vector<glm::vec3> locations;
	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) {};

vector<glm::vec3> locations;

ofEasyCam cam;

};

#include "ofApp.h"	

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

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

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

	auto ico_sphere = ofIcoSpherePrimitive(300, 3);
	auto& triangles = ico_sphere.getMesh().getUniqueFaces();
	for (auto& triangle : triangles) {
		
		glm::vec3 loc = (triangle.getVertex(0) + triangle.getVertex(1) + triangle.getVertex(2)) / 3;
		this->locations.push_back(loc);
	}
}

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

}

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

	this->cam.begin();

	ofFill();
	ofSetColor(239);
	ofDrawSphere(298);

	ofFill();
	ofSetColor(39);

	vector<glm::vec3> tmp_locations;
	for(int i = 0; i < this->locations.size(); i++){

		auto tmp_location = locations[i];
		float noise_value = ofNoise(locations[i].x * 0.005, locations[i].y * 0.005, locations[i].z * 0.005, ofGetFrameNum() * 0.008);
		if (noise_value > 0.65) {

			tmp_location *= ofMap(noise_value, 0.65, 1.0, 1.0, 1.35);
		}
		
		tmp_locations.push_back(tmp_location);
	}

	for(int i = 0; i < tmp_locations.size(); i++){

		ofDrawSphere(tmp_locations[i], 3);
		for (int k = i + 1; k < tmp_locations.size(); k++){

			if (glm::distance(tmp_locations[i], tmp_locations[k]) < 30) {

				ofDrawLine(tmp_locations[i], tmp_locations[k]);
			}
		}
	}

	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);

ofSetLineWidth(2);

ofEnableDepthTest();

auto ico_sphere = ofIcoSpherePrimitive(300, 3);

auto& triangles = ico_sphere.getMesh().getUniqueFaces();

for (auto& triangle : triangles) {

glm::vec3 loc = (triangle.getVertex(0) + triangle.getVertex(1) + triangle.getVertex(2)) / 3;

this->locations.push_back(loc);

}

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

void ofApp::update() {

}

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

void ofApp::draw() {

this->cam.begin();

ofFill();

ofSetColor(239);

ofDrawSphere(298);

ofFill();

ofSetColor(39);

vector<glm::vec3> tmp_locations;

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

auto tmp_location = locations[i];

float noise_value = ofNoise(locations[i].x * 0.005, locations[i].y * 0.005, locations[i].z * 0.005, ofGetFrameNum() * 0.008);

if (noise_value > 0.65) {

tmp_location *= ofMap(noise_value, 0.65, 1.0, 1.0, 1.35);

}

tmp_locations.push_back(tmp_location);

}

for(int i = 0; i < tmp_locations.size(); i++){

ofDrawSphere(tmp_locations[i], 3);

for (int k = i + 1; k < tmp_locations.size(); k++){

if (glm::distance(tmp_locations[i], tmp_locations[k]) < 30) {

ofDrawLine(tmp_locations[i], tmp_locations[k]);

}

this->cam.end();

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20190422

2019年4月18日2019年4月18日

Particle move on torus. openFrameworks

[ Video ]

[ About ]
トーラス面の上をパーティクルが移動

Particle move on torus.

[ 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;
	vector<glm::vec3> locations;
};

#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;

vector<glm::vec3> locations;

};

#include "ofApp.h"	

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

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

	ofBackground(239);
	ofSetColor(39);
	ofEnableDepthTest();
	ofSetLineWidth(1.5);
}

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

	ofSeedRandom(39);
	this->locations.clear();
	while (this->locations.size() < 500) {

		float R = 300;
		float r = 50;
		float u = ofRandom(0, 360) + ofGetFrameNum() * ofRandom(0.5, 2);
		float v = ofRandom(0, 360);

		this->locations.push_back(this->make_point(R, r, u, v));
	}
}

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

	this->cam.begin();

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

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

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

				ofSetColor(ofMap(distance, 10, 50, 39, 239));
				ofDrawLine(location, other);
			}
		}

	}

	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;

	float x = (R + r * cos(u)) * cos(v);
	float y = (R + r * cos(u)) * sin(v);
	float 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(239);

ofSetColor(39);

ofEnableDepthTest();

ofSetLineWidth(1.5);

}

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

void ofApp::update() {

ofSeedRandom(39);

this->locations.clear();

while (this->locations.size() < 500) {

float R = 300;

float r = 50;

float u = ofRandom(0, 360) + ofGetFrameNum() * ofRandom(0.5, 2);

float v = ofRandom(0, 360);

this->locations.push_back(this->make_point(R, r, u, v));

}

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

void ofApp::draw() {

this->cam.begin();

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

ofSetColor(39);

ofDrawSphere(location, 3);

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

if (location == other) { continue; }

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

if (distance < 50) {

ofSetColor(ofMap(distance, 10, 50, 39, 239));

ofDrawLine(location, other);

}

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;

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

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

float 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/Insta20190418

2019年4月5日2019年4月5日

Rotate ring on the sphere. openFrameworks

[ Video ]

[ About ]
球体上の輪を回転させてみた

Rotate ring on the sphere.

[ 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) {};

	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) {};

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(270);
		
	int radius = 300;
	for (int i = 0; i < 12; i++) {

		ofRotateY(ofRandom(360));

		int theta = (ofGetFrameNum() + i * 15) % 180;
		vector<glm::vec3> vertices;
		vector<glm::vec3> sub_vertices;
		for (int deg = 0; deg <= 360; deg += 3) {

			auto location = glm::vec3(radius * cos(deg * DEG_TO_RAD) * sin(theta * DEG_TO_RAD),
				radius * sin(deg * DEG_TO_RAD) * sin(theta * DEG_TO_RAD),
				radius * cos(theta * DEG_TO_RAD));
			vertices.push_back(location);

			if (theta + 3 < 180) {

				auto sub_location = glm::vec3(radius * cos(deg * DEG_TO_RAD) * sin((theta + 5) *DEG_TO_RAD),
					radius * sin(deg * DEG_TO_RAD) * sin((theta + 5) * DEG_TO_RAD),
					radius * cos((theta + 5) * DEG_TO_RAD));
				sub_vertices.push_back(sub_location);
			}
		}

		ofBeginShape();
		ofVertices(vertices);
		if (sub_vertices.size() > 0) {

			std::reverse(sub_vertices.begin(), sub_vertices.end());
			ofVertices(sub_vertices);
		}
		ofEndShape();
	}

	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(270);

int radius = 300;

for (int i = 0; i < 12; i++) {

ofRotateY(ofRandom(360));

int theta = (ofGetFrameNum() + i * 15) % 180;

vector<glm::vec3> vertices;

vector<glm::vec3> sub_vertices;

for (int deg = 0; deg <= 360; deg += 3) {

auto location = glm::vec3(radius * cos(deg * DEG_TO_RAD) * sin(theta * DEG_TO_RAD),

radius * sin(deg * DEG_TO_RAD) * sin(theta * DEG_TO_RAD),

radius * cos(theta * DEG_TO_RAD));

vertices.push_back(location);

if (theta + 3 < 180) {

auto sub_location = glm::vec3(radius * cos(deg * DEG_TO_RAD) * sin((theta + 5) *DEG_TO_RAD),

radius * sin(deg * DEG_TO_RAD) * sin((theta + 5) * DEG_TO_RAD),

radius * cos((theta + 5) * DEG_TO_RAD));

sub_vertices.push_back(sub_location);

}

ofBeginShape();

ofVertices(vertices);

if (sub_vertices.size() > 0) {

std::reverse(sub_vertices.begin(), sub_vertices.end());

ofVertices(sub_vertices);

}

ofEndShape();

}

this->cam.end();

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20190405

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