2019年11月 – ページ 9 – プログラミング de 落描き

2019年11月6日2019年11月6日

Connecting circles. openFrameworks

[ Video ]

[ About ]
4つの円を結ぶ。

Connecting circles.

[ 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) {};
	
	ofMesh mesh;
};

#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) {};

ofMesh mesh;

};

#include "ofApp.h"

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

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

	ofBackground(0);
	ofSetLineWidth(2);

	this->mesh.setMode(OF_PRIMITIVE_LINES);
}

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

	this->mesh.clear();

	auto radius = 100;
	auto span = 240;
	int deg_start = ofGetFrameNum() % 360;

	for (auto deg = deg_start; deg < deg_start + 360; deg += 10) {

		this->mesh.addVertex(glm::vec3(span, 0, 0) + glm::vec3(radius * cos(deg * DEG_TO_RAD), radius * sin(deg * DEG_TO_RAD), 0));
		this->mesh.addVertex(glm::vec3(0, -span, 0) + glm::vec3(radius * cos((deg + 90) * DEG_TO_RAD), radius * sin((deg + 90) * DEG_TO_RAD), 0));
		this->mesh.addVertex(glm::vec3(-span, 0, 0) + glm::vec3(radius * cos((deg + 180) * DEG_TO_RAD), radius * sin((deg + 180) * DEG_TO_RAD), 0));
		this->mesh.addVertex(glm::vec3(0, span, 0) + glm::vec3(radius * cos((deg + 270) * DEG_TO_RAD), radius * sin((deg + 270) * DEG_TO_RAD), 0));

		ofColor color;

		for (auto i = 0; i < 4; i++) {
		
			color.setHsb(ofMap((deg + (360 - deg_start) + i * 180) % 360, 0, 360, 0, 255), 200, 255);
			this->mesh.addColor(color);
		}

		auto index = this->mesh.getVertices().size() - 4;

		this->mesh.addIndex(index);
		this->mesh.addIndex(index + 1);
		
		this->mesh.addIndex(index + 1);
		this->mesh.addIndex(index + 2);

		this->mesh.addIndex(index + 2);
		this->mesh.addIndex(index + 3);

		this->mesh.addIndex(index + 3);
		this->mesh.addIndex(index + 0);
	}

}

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

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

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

		ofSetColor(this->mesh.getColor(i));
		ofDrawCircle(this->mesh.getVertex(i), 4);
	}
}

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

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

#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(60);

ofSetWindowTitle("openframeworks");

ofBackground(0);

ofSetLineWidth(2);

this->mesh.setMode(OF_PRIMITIVE_LINES);

}

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

void ofApp::update() {

this->mesh.clear();

auto radius = 100;

auto span = 240;

int deg_start = ofGetFrameNum() % 360;

for (auto deg = deg_start; deg < deg_start + 360; deg += 10) {

this->mesh.addVertex(glm::vec3(span, 0, 0) + glm::vec3(radius * cos(deg * DEG_TO_RAD), radius * sin(deg * DEG_TO_RAD), 0));

this->mesh.addVertex(glm::vec3(0, -span, 0) + glm::vec3(radius * cos((deg + 90) * DEG_TO_RAD), radius * sin((deg + 90) * DEG_TO_RAD), 0));

this->mesh.addVertex(glm::vec3(-span, 0, 0) + glm::vec3(radius * cos((deg + 180) * DEG_TO_RAD), radius * sin((deg + 180) * DEG_TO_RAD), 0));

this->mesh.addVertex(glm::vec3(0, span, 0) + glm::vec3(radius * cos((deg + 270) * DEG_TO_RAD), radius * sin((deg + 270) * DEG_TO_RAD), 0));

ofColor color;

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

color.setHsb(ofMap((deg + (360 - deg_start) + i * 180) % 360, 0, 360, 0, 255), 200, 255);

this->mesh.addColor(color);

}

auto index = this->mesh.getVertices().size() - 4;

this->mesh.addIndex(index);

this->mesh.addIndex(index + 1);

this->mesh.addIndex(index + 2);

this->mesh.addIndex(index + 3);

this->mesh.addIndex(index + 0);

}

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

void ofApp::draw() {

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

this->mesh.draw();

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

ofSetColor(this->mesh.getColor(i));

ofDrawCircle(this->mesh.getVertex(i), 4);

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20191106

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2019年11月5日2019年11月6日

Broken sphere. openFrameworks

[ Video ]

[ About ]
壊れた球体の層。

Broken 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;
	ofIcoSpherePrimitive ico_sphere;
	vector<ofMesh> mesh_list;
};

#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;

ofIcoSpherePrimitive ico_sphere;

vector<ofMesh> mesh_list;

};

#include "ofApp.h"

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

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

	ofBackground(239);
	ofSetLineWidth(1.5);
	ofEnableDepthTest();

	this->ico_sphere = ofIcoSpherePrimitive(150, 3);
}

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

	this->mesh_list.clear();
	auto triangle_list = this->ico_sphere.getMesh().getUniqueFaces();

	for (auto radius = 100; radius < 300; radius += 50) {

		for (auto& triangle : triangle_list) {

			glm::vec3 avg = (triangle.getVertex(0) + triangle.getVertex(1) + triangle.getVertex(2)) / 3;
			auto noise_value = ofNoise(avg.x * 0.01, avg.y * 0.01, avg.z * 0.01, (radius + ofGetFrameNum()) * 0.003);

			if (noise_value > 0.58) {

				ofMesh mesh;

				mesh.addVertex(glm::normalize(triangle.getVertex(0)) * radius);
				mesh.addVertex(glm::normalize(triangle.getVertex(1)) * radius);
				mesh.addVertex(glm::normalize(triangle.getVertex(2)) * radius);

				mesh.addIndex(0);
				mesh.addIndex(1);
				mesh.addIndex(2);

				this->mesh_list.push_back(mesh);
			}
		}
	}
}

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

	this->cam.begin();
	ofRotateY(ofGetFrameNum() * 0.25);
	ofRotateX(ofGetFrameNum() * 0.15);

	for (auto& mesh : this->mesh_list) {

		ofSetColor(239);
		mesh.drawFaces();

		ofSetColor(39);
		mesh.drawWireframe();
	}

	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(1.5);

ofEnableDepthTest();

this->ico_sphere = ofIcoSpherePrimitive(150, 3);

}

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

void ofApp::update() {

this->mesh_list.clear();

auto triangle_list = this->ico_sphere.getMesh().getUniqueFaces();

for (auto radius = 100; radius < 300; radius += 50) {

for (auto& triangle : triangle_list) {

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

auto noise_value = ofNoise(avg.x * 0.01, avg.y * 0.01, avg.z * 0.01, (radius + ofGetFrameNum()) * 0.003);

if (noise_value > 0.58) {

ofMesh mesh;

mesh.addVertex(glm::normalize(triangle.getVertex(0)) * radius);

mesh.addVertex(glm::normalize(triangle.getVertex(1)) * radius);

mesh.addVertex(glm::normalize(triangle.getVertex(2)) * radius);

mesh.addIndex(0);

mesh.addIndex(1);

mesh.addIndex(2);

this->mesh_list.push_back(mesh);

}

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

void ofApp::draw() {

this->cam.begin();

ofRotateY(ofGetFrameNum() * 0.25);

ofRotateX(ofGetFrameNum() * 0.15);

for (auto& mesh : this->mesh_list) {

ofSetColor(239);

mesh.drawFaces();

ofSetColor(39);

mesh.drawWireframe();

}

this->cam.end();

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20191105

[ほしいものリスト]
Amazon

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2019年11月4日

Thorn sphere. openFrameworks

[ Video ]

[ About ]
とげとげ球。

Thorn 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;
	ofIcoSpherePrimitive ico_sphere;
	vector<ofMesh> mesh_list;
};

#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;

ofIcoSpherePrimitive ico_sphere;

vector<ofMesh> mesh_list;

};

#include "ofApp.h"

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

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

	ofBackground(239);
	ofSetLineWidth(3);
	ofEnableDepthTest();

	this->ico_sphere = ofIcoSpherePrimitive(150, 3);
}

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

	this->mesh_list.clear();
	auto triangle_list = this->ico_sphere.getMesh().getUniqueFaces();

	for (auto& triangle : triangle_list) {

		ofMesh mesh;

		glm::vec3 avg = (triangle.getVertex(0) + triangle.getVertex(1) + triangle.getVertex(2)) / 3;
		auto noise_value = ofNoise(avg.x * 0.01, avg.y * 0.01, avg.z * 0.01, ofGetFrameNum() * 0.003);

		mesh.addVertex(triangle.getVertex(0));
		mesh.addVertex(triangle.getVertex(1));
		mesh.addVertex(triangle.getVertex(2));

		mesh.addIndex(0);
		mesh.addIndex(1);
		mesh.addIndex(2);

		auto noise_radius = 150;
		if (noise_value > 0.5) {

			noise_radius += ofMap(noise_value, 0.5, 1, 0, 80);

			mesh.addVertex(glm::normalize(avg) * noise_radius);

			mesh.addIndex(3);
			mesh.addIndex(0);
			mesh.addIndex(1);

			mesh.addIndex(3);
			mesh.addIndex(1);
			mesh.addIndex(2);

			mesh.addIndex(3);
			mesh.addIndex(2);
			mesh.addIndex(0);
		}

		this->mesh_list.push_back(mesh);
	}
}

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

	this->cam.begin();
	ofRotateY(ofGetFrameNum() * 0.25);
	ofRotateX(ofGetFrameNum() * 0.15);

	for (auto& mesh : this->mesh_list) {

		ofSetColor(39);
		mesh.drawFaces();

		ofSetColor(239);
		mesh.drawWireframe();
	}

	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(3);

ofEnableDepthTest();

this->ico_sphere = ofIcoSpherePrimitive(150, 3);

}

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

void ofApp::update() {

this->mesh_list.clear();

auto triangle_list = this->ico_sphere.getMesh().getUniqueFaces();

for (auto& triangle : triangle_list) {

ofMesh mesh;

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

auto noise_value = ofNoise(avg.x * 0.01, avg.y * 0.01, avg.z * 0.01, ofGetFrameNum() * 0.003);

mesh.addVertex(triangle.getVertex(0));

mesh.addVertex(triangle.getVertex(1));

mesh.addVertex(triangle.getVertex(2));

mesh.addIndex(0);

mesh.addIndex(1);

mesh.addIndex(2);

auto noise_radius = 150;

if (noise_value > 0.5) {

noise_radius += ofMap(noise_value, 0.5, 1, 0, 80);

mesh.addVertex(glm::normalize(avg) * noise_radius);

mesh.addIndex(3);

mesh.addIndex(0);

mesh.addIndex(1);

mesh.addIndex(3);

mesh.addIndex(1);

mesh.addIndex(2);

mesh.addIndex(3);

mesh.addIndex(2);

mesh.addIndex(0);

}

this->mesh_list.push_back(mesh);

}

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

void ofApp::draw() {

this->cam.begin();

ofRotateY(ofGetFrameNum() * 0.25);

ofRotateX(ofGetFrameNum() * 0.15);

for (auto& mesh : this->mesh_list) {

ofSetColor(39);

mesh.drawFaces();

ofSetColor(239);

mesh.drawWireframe();

}

this->cam.end();

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20191104

[ほしいものリスト]
Amazon

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