sphere – ページ 64 – プログラミング de 落描き

2019年3月5日

Band surrounding a sphere. openframeworks

[ Video ]

[ About ]
球体を囲む帯

Band surrounding a 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);
	ofEnableDepthTest();
	ofSetLineWidth(2.5);
}
//--------------------------------------------------------------
void ofApp::update() {

	ofSeedRandom(39);
}

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

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

	ofFill();
	ofDrawSphere(glm::vec3(), 125);

	int deg_span = 15;
	for(int radius = 280; radius < 300; radius += 3){

		float noise_seed_x = ofRandom(1000);
		float noise_seed_z = ofRandom(1000);
		float noise_seed_deg = ofRandom(1000);

		ofPushMatrix();

		ofRotateY(ofMap(ofNoise(noise_seed_z, ofGetFrameNum() * 0.001), 0, 1, -180, 180));
		ofRotateX(ofMap(ofNoise(noise_seed_x, ofGetFrameNum() * 0.001), 0, 1, -180, 180));
		int deg_start = ofGetFrameNum() + radius;
		for (int deg = deg_start; deg < deg_start + 360; deg += deg_span) {

			vector<glm::vec3> vertices;
			vertices.push_back(glm::vec3(radius * cos((deg + deg_span * 0.5) *DEG_TO_RAD), radius * sin((deg + deg_span * 0.5) * DEG_TO_RAD), 15));
			vertices.push_back(glm::vec3(radius * cos((deg + deg_span * 0.5) *DEG_TO_RAD), radius * sin((deg + deg_span * 0.5) * DEG_TO_RAD), -15));
			vertices.push_back(glm::vec3(radius * cos((deg - deg_span * 0.5) *DEG_TO_RAD), radius * sin((deg - deg_span * 0.5) * DEG_TO_RAD), -15));
			vertices.push_back(glm::vec3(radius * cos((deg - deg_span * 0.5) *DEG_TO_RAD), radius * sin((deg - deg_span * 0.5) * DEG_TO_RAD), 15));

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

			ofNoFill();
			ofSetColor(39);
			ofBeginShape();
			ofVertices(vertices);
			ofEndShape(true);
		}
		ofPopMatrix();
	}

	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);

ofEnableDepthTest();

ofSetLineWidth(2.5);

}

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

void ofApp::update() {

ofSeedRandom(39);

}

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

void ofApp::draw() {

this->cam.begin();

ofRotateY(ofGetFrameNum());

ofFill();

ofDrawSphere(glm::vec3(), 125);

int deg_span = 15;

for(int radius = 280; radius < 300; radius += 3){

float noise_seed_x = ofRandom(1000);

float noise_seed_z = ofRandom(1000);

float noise_seed_deg = ofRandom(1000);

ofPushMatrix();

ofRotateY(ofMap(ofNoise(noise_seed_z, ofGetFrameNum() * 0.001), 0, 1, -180, 180));

ofRotateX(ofMap(ofNoise(noise_seed_x, ofGetFrameNum() * 0.001), 0, 1, -180, 180));

int deg_start = ofGetFrameNum() + radius;

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

vector<glm::vec3> vertices;

vertices.push_back(glm::vec3(radius * cos((deg + deg_span * 0.5) *DEG_TO_RAD), radius * sin((deg + deg_span * 0.5) * DEG_TO_RAD), 15));

vertices.push_back(glm::vec3(radius * cos((deg + deg_span * 0.5) *DEG_TO_RAD), radius * sin((deg + deg_span * 0.5) * DEG_TO_RAD), -15));

vertices.push_back(glm::vec3(radius * cos((deg - deg_span * 0.5) *DEG_TO_RAD), radius * sin((deg - deg_span * 0.5) * DEG_TO_RAD), -15));

vertices.push_back(glm::vec3(radius * cos((deg - deg_span * 0.5) *DEG_TO_RAD), radius * sin((deg - deg_span * 0.5) * DEG_TO_RAD), 15));

ofFill();

ofSetColor(239);

ofBeginShape();

ofVertices(vertices);

ofEndShape(true);

ofNoFill();

ofSetColor(39);

ofBeginShape();

ofVertices(vertices);

ofEndShape(true);

}

ofPopMatrix();

}

this->cam.end();

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20190305

2019年2月20日2019年2月20日

Split sphere. openFrameworks

[ Video ]

[ About ]
ofIcoSpherePrimitiveクラスから取得した座標情報を元に球体を分離

Split 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 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);
	ofNoFill();
	ofSetLineWidth(2);
	ofEnableDepthTest();
}

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

}

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

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

	float radius = 180;
	auto ico_sphere = ofIcoSpherePrimitive(radius, 2);
	auto triangles = ico_sphere.getMesh().getUniqueFaces();

	for (int index = 0; index < triangles.size(); index++) {

		auto avg = glm::vec3();
		vector<glm::vec3> vertices;
		for (int j = 0; j < 3; j++) {

			glm::vec3 location(triangles[index].getVertex(j).x, triangles[index].getVertex(j).y, triangles[index].getVertex(j).z);
			vertices.push_back(location);

			avg += location;
		}
		avg /= 3;

		int noise_value = ofMap(ofNoise(avg.x * 0.002, avg.y * 0.002, avg.z * 0.002, ofGetFrameNum() * 0.01), 0, 1, 0, 9);
		float x = 400 * (noise_value % 3) + 200 - 600;
		float y = 400 * (noise_value / 3) + 200 - 600;

		ofPushMatrix();
		ofTranslate(x, y);

		ofFill();
		ofSetColor(39);

		ofBeginShape();
		ofVertices(vertices);
		ofEndShape(true);

		ofNoFill();
		ofSetColor(255);

		ofBeginShape();
		ofVertices(vertices);
		ofEndShape(true);

		ofPopMatrix();
	}
	
	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);

ofNoFill();

ofSetLineWidth(2);

ofEnableDepthTest();

}

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

void ofApp::update() {

}

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

void ofApp::draw() {

this->cam.begin();

ofRotateY(ofGetFrameNum());

float radius = 180;

auto ico_sphere = ofIcoSpherePrimitive(radius, 2);

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

for (int index = 0; index < triangles.size(); index++) {

auto avg = glm::vec3();

vector<glm::vec3> vertices;

for (int j = 0; j < 3; j++) {

glm::vec3 location(triangles[index].getVertex(j).x, triangles[index].getVertex(j).y, triangles[index].getVertex(j).z);

vertices.push_back(location);

avg += location;

}

avg /= 3;

int noise_value = ofMap(ofNoise(avg.x * 0.002, avg.y * 0.002, avg.z * 0.002, ofGetFrameNum() * 0.01), 0, 1, 0, 9);

float x = 400 * (noise_value % 3) + 200 - 600;

float y = 400 * (noise_value / 3) + 200 - 600;

ofPushMatrix();

ofTranslate(x, y);

ofFill();

ofSetColor(39);

ofBeginShape();

ofVertices(vertices);

ofEndShape(true);

ofNoFill();

ofSetColor(255);

ofBeginShape();

ofVertices(vertices);

ofEndShape(true);

ofPopMatrix();

}

this->cam.end();

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20190220

2019年2月2日2019年2月1日

Particles on sphere. openFrameworks

[ Video ]

[ About ]
球体上を移動するパーティクル。近づくと線が発生します

Particle on sphere. When approaching, a line is generated

[ 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(39);
	ofSetColor(239);
	ofSetLineWidth(2);
	ofEnableDepthTest();
}

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

	ofSeedRandom(39);
}

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

	this->cam.begin();
	ofRotateY(ofGetFrameNum() * 0.75);

	vector<glm::vec3> locations;
	for (int i = 0; i < 650; i++) {

		glm::vec3 random_point(ofMap(ofNoise(ofRandom(1000), ofGetFrameNum() * 0.001), 0, 1, -1, 1),
			ofMap(ofNoise(ofRandom(1000), ofGetFrameNum() * 0.001), 0, 1, -1, 1), 
			ofMap(ofNoise(ofRandom(1000), ofGetFrameNum() * 0.001), 0, 1, -1, 1));

		int len = 50;
		if (i > 80) { len = 140; }
		if (i > 300) { len = 300; }
		
		random_point = glm::normalize(random_point) * len;
		locations.push_back(random_point);
	}

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

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

			float length = glm::distance(locations[i], locations[j]);
			if (length < 30) {

				ofDrawLine(locations[i], locations[j]);
			}
		}
	}

	this->cam.end();
}

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

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

#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(60);

ofSetWindowTitle("openFrameworks");

ofBackground(39);

ofSetColor(239);

ofSetLineWidth(2);

ofEnableDepthTest();

}

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

void ofApp::update() {

ofSeedRandom(39);

}

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

void ofApp::draw() {

this->cam.begin();

ofRotateY(ofGetFrameNum() * 0.75);

vector<glm::vec3> locations;

for (int i = 0; i < 650; i++) {

glm::vec3 random_point(ofMap(ofNoise(ofRandom(1000), ofGetFrameNum() * 0.001), 0, 1, -1, 1),

ofMap(ofNoise(ofRandom(1000), ofGetFrameNum() * 0.001), 0, 1, -1, 1),

ofMap(ofNoise(ofRandom(1000), ofGetFrameNum() * 0.001), 0, 1, -1, 1));

int len = 50;

if (i > 80) { len = 140; }

if (i > 300) { len = 300; }

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

locations.push_back(random_point);

}

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

ofDrawSphere(locations[i], 3);

for (int j = i + 1; j < locations.size(); j++) {

float length = glm::distance(locations[i], locations[j]);

if (length < 30) {

ofDrawLine(locations[i], locations[j]);

}

this->cam.end();

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20190202

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