プログラミング de 落描き – ページ 337 – クリエイティブ・コーディングによる生成物とソース

2022年10月4日

Hole of sphere. Draw by openFrameworks

[ Video ]

[ About ]
球体の穴。

[ 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;
	ofMesh face, line;
};

#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;

ofMesh face, line;

};

#include "ofApp.h"

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

	ofSetFrameRate(30);
	ofSetWindowTitle("openFrameworks");

	ofBackground(0);
	ofEnableDepthTest();
	ofSetLineWidth(1.5);

	this->line.setMode(ofPrimitiveMode::OF_PRIMITIVE_LINES);
}

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

	this->face.clear();
	this->line.clear();

	float phi_deg_step = 5;
	float theta_deg_step = 5;
	float noise_radius = 300;
	float threshold = 0.4;

	for (float radius = 150; radius <= 250; radius += 5) {

		for (float phi_deg = 0; phi_deg < 360; phi_deg += phi_deg_step) {

			for (float theta_deg = 0; theta_deg <= 180; theta_deg += theta_deg_step) {

				auto noise_value = ofNoise(
					noise_radius * cos(phi_deg * DEG_TO_RAD) * 0.01,
					noise_radius * sin(phi_deg * DEG_TO_RAD) * 0.01,
					noise_radius * cos(theta_deg * DEG_TO_RAD) * 0.005,
					ofGetFrameNum() * 0.05);

				if (noise_value < threshold) { continue; }

				auto noise_value_1 = ofNoise(
					noise_radius * cos(phi_deg * DEG_TO_RAD) * 0.01,
					noise_radius * sin(phi_deg * DEG_TO_RAD) * 0.01,
					noise_radius * cos((theta_deg - theta_deg_step) * DEG_TO_RAD) * 0.005,
					ofGetFrameNum() * 0.05);
				auto noise_value_2 = ofNoise(
					noise_radius * cos((phi_deg + phi_deg_step) * DEG_TO_RAD) * 0.01,
					noise_radius * sin((phi_deg + phi_deg_step) * DEG_TO_RAD) * 0.01,
					noise_radius * cos(theta_deg * DEG_TO_RAD) * 0.005,
					ofGetFrameNum() * 0.05);
				auto noise_value_3 = ofNoise(
					noise_radius * cos((phi_deg - phi_deg_step) * DEG_TO_RAD) * 0.01,
					noise_radius * sin((phi_deg - phi_deg_step) * DEG_TO_RAD) * 0.01,
					noise_radius * cos(theta_deg * DEG_TO_RAD) * 0.005,
					ofGetFrameNum() * 0.05);
				auto noise_value_4 = ofNoise(
					noise_radius * cos(phi_deg * DEG_TO_RAD) * 0.01,
					noise_radius * sin(phi_deg * DEG_TO_RAD) * 0.01,
					noise_radius * cos((theta_deg + theta_deg_step) * DEG_TO_RAD) * 0.005,
					ofGetFrameNum() * 0.05);

				auto index = this->face.getNumVertices();
				vector<glm::vec3> vertices;

				vertices.push_back(glm::vec3(
					radius * sin((theta_deg - theta_deg_step * 0.5) * DEG_TO_RAD) * cos((phi_deg + phi_deg_step * 0.5) * DEG_TO_RAD),
					radius * sin((theta_deg - theta_deg_step * 0.5) * DEG_TO_RAD) * sin((phi_deg + phi_deg_step * 0.5) * DEG_TO_RAD),
					radius * cos((theta_deg - theta_deg_step * 0.5) * DEG_TO_RAD)));
				vertices.push_back(glm::vec3(
					radius * sin((theta_deg - theta_deg_step * 0.5) * DEG_TO_RAD) * cos((phi_deg - phi_deg_step * 0.5) * DEG_TO_RAD),
					radius * sin((theta_deg - theta_deg_step * 0.5) * DEG_TO_RAD) * sin((phi_deg - phi_deg_step * 0.5) * DEG_TO_RAD),
					radius * cos((theta_deg - theta_deg_step * 0.5) * DEG_TO_RAD)));
				vertices.push_back(glm::vec3(
					radius * sin((theta_deg + theta_deg_step * 0.5) * DEG_TO_RAD) * cos((phi_deg + phi_deg_step * 0.5) * DEG_TO_RAD),
					radius * sin((theta_deg + theta_deg_step * 0.5) * DEG_TO_RAD) * sin((phi_deg + phi_deg_step * 0.5) * DEG_TO_RAD),
					radius * cos((theta_deg + theta_deg_step * 0.5) * DEG_TO_RAD)));
				vertices.push_back(glm::vec3(
					radius * sin((theta_deg + theta_deg_step * 0.5) * DEG_TO_RAD) * cos((phi_deg - phi_deg_step * 0.5) * DEG_TO_RAD),
					radius * sin((theta_deg + theta_deg_step * 0.5) * DEG_TO_RAD) * sin((phi_deg - phi_deg_step * 0.5) * DEG_TO_RAD),
					radius * cos((theta_deg + theta_deg_step * 0.5) * DEG_TO_RAD)));

				this->face.addVertices(vertices);

				this->face.addIndex(index + 0); this->face.addIndex(index + 1); this->face.addIndex(index + 3);
				this->face.addIndex(index + 0); this->face.addIndex(index + 3); this->face.addIndex(index + 2);

				ofColor color = ofColor(0, ofMap(radius, 150, 250, 0, 255));
				this->face.addColor(color);
				this->face.addColor(color);
				this->face.addColor(color);
				this->face.addColor(color);

				color = ofColor(255, ofMap(radius, 150, 250, 0, 255));

				if (noise_value_1 < threshold) {

					this->line.addVertex(vertices[0]); this->line.addVertex(vertices[1]);
					this->line.addIndex(this->line.getNumVertices() - 1); this->line.addIndex(this->line.getNumVertices() - 2);

					this->line.addColor(color); this->line.addColor(color);
				}

				if (noise_value_2 < threshold) {

					this->line.addVertex(vertices[0]); this->line.addVertex(vertices[2]);
					this->line.addIndex(this->line.getNumVertices() - 1); this->line.addIndex(this->line.getNumVertices() - 2);

					this->line.addColor(color); this->line.addColor(color);
				}

				if (noise_value_3 < threshold) {

					this->line.addVertex(vertices[1]); this->line.addVertex(vertices[3]);
					this->line.addIndex(this->line.getNumVertices() - 1); this->line.addIndex(this->line.getNumVertices() - 2);

					this->line.addColor(color); this->line.addColor(color);
				}

				if (noise_value_4 < threshold) {

					this->line.addVertex(vertices[2]); this->line.addVertex(vertices[3]);
					this->line.addIndex(this->line.getNumVertices() - 1); this->line.addIndex(this->line.getNumVertices() - 2);

					this->line.addColor(color); this->line.addColor(color);
				}
			}
		}
	}
}

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

	this->cam.begin();
	ofRotateX(270);
	//ofRotateZ(ofGetFrameNum() * 0.66666666666666);

	this->face.draw();
	this->line.draw();

	this->cam.end();
}

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

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

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#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(30);

ofSetWindowTitle("openFrameworks");

ofBackground(0);

ofEnableDepthTest();

ofSetLineWidth(1.5);

this->line.setMode(ofPrimitiveMode::OF_PRIMITIVE_LINES);

}

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

void ofApp::update() {

this->face.clear();

this->line.clear();

float phi_deg_step = 5;

float theta_deg_step = 5;

float noise_radius = 300;

float threshold = 0.4;

for (float radius = 150; radius <= 250; radius += 5) {

for (float phi_deg = 0; phi_deg < 360; phi_deg += phi_deg_step) {

for (float theta_deg = 0; theta_deg <= 180; theta_deg += theta_deg_step) {

auto noise_value = ofNoise(

noise_radius * cos(phi_deg * DEG_TO_RAD) * 0.01,

noise_radius * sin(phi_deg * DEG_TO_RAD) * 0.01,

noise_radius * cos(theta_deg * DEG_TO_RAD) * 0.005,

ofGetFrameNum() * 0.05);

if (noise_value < threshold) { continue; }

auto noise_value_1 = ofNoise(

noise_radius * cos(phi_deg * DEG_TO_RAD) * 0.01,

noise_radius * sin(phi_deg * DEG_TO_RAD) * 0.01,

noise_radius * cos((theta_deg - theta_deg_step) * DEG_TO_RAD) * 0.005,

ofGetFrameNum() * 0.05);

auto noise_value_2 = ofNoise(

noise_radius * cos((phi_deg + phi_deg_step) * DEG_TO_RAD) * 0.01,

noise_radius * sin((phi_deg + phi_deg_step) * DEG_TO_RAD) * 0.01,

noise_radius * cos(theta_deg * DEG_TO_RAD) * 0.005,

ofGetFrameNum() * 0.05);

auto noise_value_3 = ofNoise(

noise_radius * cos((phi_deg - phi_deg_step) * DEG_TO_RAD) * 0.01,

noise_radius * sin((phi_deg - phi_deg_step) * DEG_TO_RAD) * 0.01,

noise_radius * cos(theta_deg * DEG_TO_RAD) * 0.005,

ofGetFrameNum() * 0.05);

auto noise_value_4 = ofNoise(

noise_radius * cos(phi_deg * DEG_TO_RAD) * 0.01,

noise_radius * sin(phi_deg * DEG_TO_RAD) * 0.01,

noise_radius * cos((theta_deg + theta_deg_step) * DEG_TO_RAD) * 0.005,

ofGetFrameNum() * 0.05);

auto index = this->face.getNumVertices();

vector<glm::vec3> vertices;

vertices.push_back(glm::vec3(

radius * sin((theta_deg - theta_deg_step * 0.5) * DEG_TO_RAD) * cos((phi_deg + phi_deg_step * 0.5) * DEG_TO_RAD),

radius * sin((theta_deg - theta_deg_step * 0.5) * DEG_TO_RAD) * sin((phi_deg + phi_deg_step * 0.5) * DEG_TO_RAD),

radius * cos((theta_deg - theta_deg_step * 0.5) * DEG_TO_RAD)));

vertices.push_back(glm::vec3(

radius * sin((theta_deg - theta_deg_step * 0.5) * DEG_TO_RAD) * cos((phi_deg - phi_deg_step * 0.5) * DEG_TO_RAD),

radius * sin((theta_deg - theta_deg_step * 0.5) * DEG_TO_RAD) * sin((phi_deg - phi_deg_step * 0.5) * DEG_TO_RAD),

radius * cos((theta_deg - theta_deg_step * 0.5) * DEG_TO_RAD)));

vertices.push_back(glm::vec3(

radius * sin((theta_deg + theta_deg_step * 0.5) * DEG_TO_RAD) * cos((phi_deg + phi_deg_step * 0.5) * DEG_TO_RAD),

radius * sin((theta_deg + theta_deg_step * 0.5) * DEG_TO_RAD) * sin((phi_deg + phi_deg_step * 0.5) * DEG_TO_RAD),

radius * cos((theta_deg + theta_deg_step * 0.5) * DEG_TO_RAD)));

vertices.push_back(glm::vec3(

radius * sin((theta_deg + theta_deg_step * 0.5) * DEG_TO_RAD) * cos((phi_deg - phi_deg_step * 0.5) * DEG_TO_RAD),

radius * sin((theta_deg + theta_deg_step * 0.5) * DEG_TO_RAD) * sin((phi_deg - phi_deg_step * 0.5) * DEG_TO_RAD),

radius * cos((theta_deg + theta_deg_step * 0.5) * DEG_TO_RAD)));

this->face.addVertices(vertices);

this->face.addIndex(index + 0); this->face.addIndex(index + 1); this->face.addIndex(index + 3);

this->face.addIndex(index + 0); this->face.addIndex(index + 3); this->face.addIndex(index + 2);

ofColor color = ofColor(0, ofMap(radius, 150, 250, 0, 255));

this->face.addColor(color);

color = ofColor(255, ofMap(radius, 150, 250, 0, 255));

if (noise_value_1 < threshold) {

this->line.addVertex(vertices[0]); this->line.addVertex(vertices[1]);

this->line.addIndex(this->line.getNumVertices() - 1); this->line.addIndex(this->line.getNumVertices() - 2);

this->line.addColor(color); this->line.addColor(color);

}

if (noise_value_2 < threshold) {

this->line.addVertex(vertices[0]); this->line.addVertex(vertices[2]);

this->line.addIndex(this->line.getNumVertices() - 1); this->line.addIndex(this->line.getNumVertices() - 2);

this->line.addColor(color); this->line.addColor(color);

}

if (noise_value_3 < threshold) {

this->line.addVertex(vertices[1]); this->line.addVertex(vertices[3]);

this->line.addIndex(this->line.getNumVertices() - 1); this->line.addIndex(this->line.getNumVertices() - 2);

this->line.addColor(color); this->line.addColor(color);

}

if (noise_value_4 < threshold) {

this->line.addVertex(vertices[2]); this->line.addVertex(vertices[3]);

this->line.addIndex(this->line.getNumVertices() - 1); this->line.addIndex(this->line.getNumVertices() - 2);

this->line.addColor(color); this->line.addColor(color);

}

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

void ofApp::draw() {

this->cam.begin();

ofRotateX(270);

//ofRotateZ(ofGetFrameNum() * 0.66666666666666);

this->face.draw();

this->line.draw();

this->cam.end();

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20221004

2022年10月3日

Spherical shell. Draw by openFrameworks

[ Video ]

[ About ]
球体殻。

[ 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;
	ofMesh face, line;
};

#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;

ofMesh face, line;

};

#include "ofApp.h"

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

	ofSetFrameRate(30);
	ofSetWindowTitle("openFrameworks");

	ofBackground(0);
	ofEnableDepthTest();
	ofSetLineWidth(1.5);

	this->line.setMode(ofPrimitiveMode::OF_PRIMITIVE_LINES);
}

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

	this->face.clear();
	this->line.clear();

	float phi_deg_step = 5;
	float theta_deg_step = 5;
	float noise_radius = 300;

	for (float radius = 100; radius <= 250; radius += 5) {

		for (float phi_deg = 0; phi_deg < 360; phi_deg += phi_deg_step) {

			for (float theta_deg = 0; theta_deg <= 180; theta_deg += theta_deg_step) {

				auto noise_value = ofNoise(
					noise_radius * cos(phi_deg * DEG_TO_RAD) * 0.01,
					noise_radius * sin(phi_deg * DEG_TO_RAD) * 0.01,
					noise_radius * cos(theta_deg * DEG_TO_RAD) * 0.005,
					radius * 0.005 - ofGetFrameNum() * 0.05);

				if (noise_value < 0.55) { continue; }

				auto noise_value_1 = ofNoise(
					noise_radius * cos(phi_deg * DEG_TO_RAD) * 0.01,
					noise_radius * sin(phi_deg * DEG_TO_RAD) * 0.01,
					noise_radius * cos((theta_deg - theta_deg_step) * DEG_TO_RAD) * 0.005,
					radius * 0.005 - ofGetFrameNum() * 0.05);
				auto noise_value_2 = ofNoise(
					noise_radius * cos((phi_deg + phi_deg_step) * DEG_TO_RAD) * 0.01,
					noise_radius * sin((phi_deg + phi_deg_step) * DEG_TO_RAD) * 0.01,
					noise_radius * cos(theta_deg * DEG_TO_RAD) * 0.005,
					radius * 0.005 - ofGetFrameNum() * 0.05);
				auto noise_value_3 = ofNoise(
					noise_radius * cos((phi_deg - phi_deg_step) * DEG_TO_RAD) * 0.01,
					noise_radius * sin((phi_deg - phi_deg_step) * DEG_TO_RAD) * 0.01,
					noise_radius * cos(theta_deg * DEG_TO_RAD) * 0.005,
					radius * 0.005 - ofGetFrameNum() * 0.05);
				auto noise_value_4 = ofNoise(
					noise_radius * cos(phi_deg * DEG_TO_RAD) * 0.01,
					noise_radius * sin(phi_deg * DEG_TO_RAD) * 0.01,
					noise_radius * cos((theta_deg + theta_deg_step) * DEG_TO_RAD) * 0.005,
					radius * 0.005 - ofGetFrameNum() * 0.05);

				auto index = this->face.getNumVertices();
				vector<glm::vec3> vertices;

				vertices.push_back(glm::vec3(
					radius * sin((theta_deg - theta_deg_step * 0.5) * DEG_TO_RAD) * cos((phi_deg + phi_deg_step * 0.5) * DEG_TO_RAD),
					radius * sin((theta_deg - theta_deg_step * 0.5) * DEG_TO_RAD) * sin((phi_deg + phi_deg_step * 0.5) * DEG_TO_RAD),
					radius * cos((theta_deg - theta_deg_step * 0.5) * DEG_TO_RAD)));
				vertices.push_back(glm::vec3(
					radius * sin((theta_deg - theta_deg_step * 0.5) * DEG_TO_RAD) * cos((phi_deg - phi_deg_step * 0.5) * DEG_TO_RAD),
					radius * sin((theta_deg - theta_deg_step * 0.5) * DEG_TO_RAD) * sin((phi_deg - phi_deg_step * 0.5) * DEG_TO_RAD),
					radius * cos((theta_deg - theta_deg_step * 0.5) * DEG_TO_RAD)));
				vertices.push_back(glm::vec3(
					radius * sin((theta_deg + theta_deg_step * 0.5) * DEG_TO_RAD) * cos((phi_deg + phi_deg_step * 0.5) * DEG_TO_RAD),
					radius * sin((theta_deg + theta_deg_step * 0.5) * DEG_TO_RAD) * sin((phi_deg + phi_deg_step * 0.5) * DEG_TO_RAD),
					radius * cos((theta_deg + theta_deg_step * 0.5) * DEG_TO_RAD)));
				vertices.push_back(glm::vec3(
					radius * sin((theta_deg + theta_deg_step * 0.5) * DEG_TO_RAD) * cos((phi_deg - phi_deg_step * 0.5) * DEG_TO_RAD),
					radius * sin((theta_deg + theta_deg_step * 0.5) * DEG_TO_RAD) * sin((phi_deg - phi_deg_step * 0.5) * DEG_TO_RAD),
					radius * cos((theta_deg + theta_deg_step * 0.5) * DEG_TO_RAD)));

				this->face.addVertices(vertices);

				this->face.addIndex(index + 0); this->face.addIndex(index + 1); this->face.addIndex(index + 3);
				this->face.addIndex(index + 0); this->face.addIndex(index + 3); this->face.addIndex(index + 2);

				ofColor color = ofColor(ofMap(radius, 100, 250, 255, 0));
				this->face.addColor(color);
				this->face.addColor(color);
				this->face.addColor(color);
				this->face.addColor(color);

				color = ofColor(ofMap(radius, 100, 250, 0, 255));

				if (noise_value_1 < 0.55) {

					this->line.addVertex(vertices[0]); this->line.addVertex(vertices[1]);
					this->line.addIndex(this->line.getNumVertices() - 1); this->line.addIndex(this->line.getNumVertices() - 2);

					this->line.addColor(color); this->line.addColor(color);
				}

				if (noise_value_2 < 0.55) {

					this->line.addVertex(vertices[0]); this->line.addVertex(vertices[2]);
					this->line.addIndex(this->line.getNumVertices() - 1); this->line.addIndex(this->line.getNumVertices() - 2);

					this->line.addColor(color); this->line.addColor(color);
				}

				if (noise_value_3 < 0.55) {

					this->line.addVertex(vertices[1]); this->line.addVertex(vertices[3]);
					this->line.addIndex(this->line.getNumVertices() - 1); this->line.addIndex(this->line.getNumVertices() - 2);

					this->line.addColor(color); this->line.addColor(color);
				}

				if (noise_value_4 < 0.55) {

					this->line.addVertex(vertices[2]); this->line.addVertex(vertices[3]);
					this->line.addIndex(this->line.getNumVertices() - 1); this->line.addIndex(this->line.getNumVertices() - 2);

					this->line.addColor(color); this->line.addColor(color);
				}
			}
		}
	}
}

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

	this->cam.begin();
	ofRotateX(270);
	ofRotateZ(ofGetFrameNum() * 0.66666666666666);

	this->face.draw();
	this->line.draw();

	this->cam.end();
}

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

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

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#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(30);

ofSetWindowTitle("openFrameworks");

ofBackground(0);

ofEnableDepthTest();

ofSetLineWidth(1.5);

this->line.setMode(ofPrimitiveMode::OF_PRIMITIVE_LINES);

}

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

void ofApp::update() {

this->face.clear();

this->line.clear();

float phi_deg_step = 5;

float theta_deg_step = 5;

float noise_radius = 300;

for (float radius = 100; radius <= 250; radius += 5) {

for (float phi_deg = 0; phi_deg < 360; phi_deg += phi_deg_step) {

for (float theta_deg = 0; theta_deg <= 180; theta_deg += theta_deg_step) {

auto noise_value = ofNoise(

noise_radius * cos(phi_deg * DEG_TO_RAD) * 0.01,

noise_radius * sin(phi_deg * DEG_TO_RAD) * 0.01,

noise_radius * cos(theta_deg * DEG_TO_RAD) * 0.005,

radius * 0.005 - ofGetFrameNum() * 0.05);

if (noise_value < 0.55) { continue; }

auto noise_value_1 = ofNoise(

noise_radius * cos(phi_deg * DEG_TO_RAD) * 0.01,

noise_radius * sin(phi_deg * DEG_TO_RAD) * 0.01,

noise_radius * cos((theta_deg - theta_deg_step) * DEG_TO_RAD) * 0.005,

radius * 0.005 - ofGetFrameNum() * 0.05);

auto noise_value_2 = ofNoise(

noise_radius * cos((phi_deg + phi_deg_step) * DEG_TO_RAD) * 0.01,

noise_radius * sin((phi_deg + phi_deg_step) * DEG_TO_RAD) * 0.01,

noise_radius * cos(theta_deg * DEG_TO_RAD) * 0.005,

radius * 0.005 - ofGetFrameNum() * 0.05);

auto noise_value_3 = ofNoise(

noise_radius * cos((phi_deg - phi_deg_step) * DEG_TO_RAD) * 0.01,

noise_radius * sin((phi_deg - phi_deg_step) * DEG_TO_RAD) * 0.01,

noise_radius * cos(theta_deg * DEG_TO_RAD) * 0.005,

radius * 0.005 - ofGetFrameNum() * 0.05);

auto noise_value_4 = ofNoise(

noise_radius * cos(phi_deg * DEG_TO_RAD) * 0.01,

noise_radius * sin(phi_deg * DEG_TO_RAD) * 0.01,

noise_radius * cos((theta_deg + theta_deg_step) * DEG_TO_RAD) * 0.005,

radius * 0.005 - ofGetFrameNum() * 0.05);

auto index = this->face.getNumVertices();

vector<glm::vec3> vertices;

vertices.push_back(glm::vec3(

radius * sin((theta_deg - theta_deg_step * 0.5) * DEG_TO_RAD) * cos((phi_deg + phi_deg_step * 0.5) * DEG_TO_RAD),

radius * sin((theta_deg - theta_deg_step * 0.5) * DEG_TO_RAD) * sin((phi_deg + phi_deg_step * 0.5) * DEG_TO_RAD),

radius * cos((theta_deg - theta_deg_step * 0.5) * DEG_TO_RAD)));

vertices.push_back(glm::vec3(

radius * sin((theta_deg - theta_deg_step * 0.5) * DEG_TO_RAD) * cos((phi_deg - phi_deg_step * 0.5) * DEG_TO_RAD),

radius * sin((theta_deg - theta_deg_step * 0.5) * DEG_TO_RAD) * sin((phi_deg - phi_deg_step * 0.5) * DEG_TO_RAD),

radius * cos((theta_deg - theta_deg_step * 0.5) * DEG_TO_RAD)));

vertices.push_back(glm::vec3(

radius * sin((theta_deg + theta_deg_step * 0.5) * DEG_TO_RAD) * cos((phi_deg + phi_deg_step * 0.5) * DEG_TO_RAD),

radius * sin((theta_deg + theta_deg_step * 0.5) * DEG_TO_RAD) * sin((phi_deg + phi_deg_step * 0.5) * DEG_TO_RAD),

radius * cos((theta_deg + theta_deg_step * 0.5) * DEG_TO_RAD)));

vertices.push_back(glm::vec3(

radius * sin((theta_deg + theta_deg_step * 0.5) * DEG_TO_RAD) * cos((phi_deg - phi_deg_step * 0.5) * DEG_TO_RAD),

radius * sin((theta_deg + theta_deg_step * 0.5) * DEG_TO_RAD) * sin((phi_deg - phi_deg_step * 0.5) * DEG_TO_RAD),

radius * cos((theta_deg + theta_deg_step * 0.5) * DEG_TO_RAD)));

this->face.addVertices(vertices);

this->face.addIndex(index + 0); this->face.addIndex(index + 1); this->face.addIndex(index + 3);

this->face.addIndex(index + 0); this->face.addIndex(index + 3); this->face.addIndex(index + 2);

ofColor color = ofColor(ofMap(radius, 100, 250, 255, 0));

this->face.addColor(color);

color = ofColor(ofMap(radius, 100, 250, 0, 255));

if (noise_value_1 < 0.55) {

this->line.addVertex(vertices[0]); this->line.addVertex(vertices[1]);

this->line.addIndex(this->line.getNumVertices() - 1); this->line.addIndex(this->line.getNumVertices() - 2);

this->line.addColor(color); this->line.addColor(color);

}

if (noise_value_2 < 0.55) {

this->line.addVertex(vertices[0]); this->line.addVertex(vertices[2]);

this->line.addIndex(this->line.getNumVertices() - 1); this->line.addIndex(this->line.getNumVertices() - 2);

this->line.addColor(color); this->line.addColor(color);

}

if (noise_value_3 < 0.55) {

this->line.addVertex(vertices[1]); this->line.addVertex(vertices[3]);

this->line.addIndex(this->line.getNumVertices() - 1); this->line.addIndex(this->line.getNumVertices() - 2);

this->line.addColor(color); this->line.addColor(color);

}

if (noise_value_4 < 0.55) {

this->line.addVertex(vertices[2]); this->line.addVertex(vertices[3]);

this->line.addIndex(this->line.getNumVertices() - 1); this->line.addIndex(this->line.getNumVertices() - 2);

this->line.addColor(color); this->line.addColor(color);

}

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

void ofApp::draw() {

this->cam.begin();

ofRotateX(270);

ofRotateZ(ofGetFrameNum() * 0.66666666666666);

this->face.draw();

this->line.draw();

this->cam.end();

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20221003

2022年10月2日

Overlapping. Draw by openFrameworks

[ Video ]

[ About ]
重なる円。

[ 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) {};

	void setRingToMesh(ofMesh& face_target, ofMesh& frame_target, glm::vec3 location, glm::vec3 rotation, float radius, float height, ofColor face_color, ofColor frame_color);

	ofEasyCam cam;
	ofMesh face, frame;

	vector<float> radius_list;
	vector<glm::vec3> rotation_list;
	vector<ofColor> color_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 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) {};

void setRingToMesh(ofMesh& face_target, ofMesh& frame_target, glm::vec3 location, glm::vec3 rotation, float radius, float height, ofColor face_color, ofColor frame_color);

ofEasyCam cam;

ofMesh face, frame;

vector<float> radius_list;

vector<glm::vec3> rotation_list;

vector<ofColor> color_list;

};

#include "ofApp.h"

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

	ofSetFrameRate(30);
	ofSetWindowTitle("openFrameworks");

	ofBackground(255);
	ofSetLineWidth(0.5);
	ofEnableDepthTest();

	this->frame.setMode(ofPrimitiveMode::OF_PRIMITIVE_LINES);
}

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

	ofSeedRandom(39);
	glm::vec3 noise_param = glm::vec3(ofRandom(360), ofRandom(360), ofRandom(360));

	this->radius_list.push_back(0);
	this->rotation_list.push_back(glm::vec3(
		ofMap(ofNoise(noise_param.x, ofGetFrameNum() * 0.008), 0, 1, -360, 360),
		ofMap(ofNoise(noise_param.y, ofGetFrameNum() * 0.008), 0, 1, -360, 360),
		ofMap(ofNoise(noise_param.z, ofGetFrameNum() * 0.008), 0, 1, -360, 360)));
	ofColor color;
	color.setHsb((ofGetFrameNum() * 2) % 255, 255, 230);
	this->color_list.push_back(color);

	for (int i = this->radius_list.size() - 1; i > -1; i--) {

		this->radius_list[i] += 1.5;

		if (this->radius_list[i] > 250) {

			this->radius_list.erase(this->radius_list.begin() + i);
			this->rotation_list.erase(this->rotation_list.begin() + i);
			this->color_list.erase(this->color_list.begin() + i);
		}
	}

	this->face.clear();
	this->frame.clear();

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

		this->setRingToMesh(this->face, this->frame, glm::vec3(), this->rotation_list[i], this->radius_list[i], this->radius_list[i] * 0.1, ofColor(this->color_list[i]), ofColor(255));
	}
}

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

	this->cam.begin();
	ofRotateY(ofGetFrameNum() * 2.66666666666666);

	this->face.draw();
	this->frame.drawWireframe();

	this->cam.end();
}

//--------------------------------------------------------------
void ofApp::setRingToMesh(ofMesh& face_target, ofMesh& frame_target, glm::vec3 location, glm::vec3 rotation, float radius, float height, ofColor face_color, ofColor frame_color) {

	int index = face_target.getNumVertices();

	for (int deg = 0; deg < 360; deg += 5) {

		vector<glm::vec3> vertices;
		vertices.push_back(glm::vec3(radius * cos(deg * DEG_TO_RAD), radius * sin(deg * DEG_TO_RAD), height * -0.5));
		vertices.push_back(glm::vec3(radius * cos((deg + 5) * DEG_TO_RAD), radius * sin((deg + 5) * DEG_TO_RAD), height * -0.5));
		vertices.push_back(glm::vec3(radius * cos((deg + 5) * DEG_TO_RAD), radius * sin((deg + 5) * DEG_TO_RAD), height * 0.5));
		vertices.push_back(glm::vec3(radius * cos(deg * DEG_TO_RAD), radius * sin(deg * DEG_TO_RAD), height * 0.5));

		for (auto& vertex : vertices) {

			auto rotation_x = glm::rotate(glm::mat4(), rotation.x * (float)DEG_TO_RAD, glm::vec3(1, 0, 0));
			auto rotation_y = glm::rotate(glm::mat4(), rotation.y * (float)DEG_TO_RAD, glm::vec3(0, 1, 0));
			auto rotation_z = glm::rotate(glm::mat4(), rotation.z * (float)DEG_TO_RAD, glm::vec3(0, 0, 1));

			vertex = glm::vec4(vertex, 0) * rotation_y * rotation_x + glm::vec4(location, 0);
		}

		auto face_index = face_target.getNumVertices();
		face_target.addVertices(vertices);

		face_target.addIndex(face_index + 0); face_target.addIndex(face_index + 1); face_target.addIndex(face_index + 2);
		face_target.addIndex(face_index + 0); face_target.addIndex(face_index + 2); face_target.addIndex(face_index + 3);

		auto frame_index = frame_target.getNumVertices();
		frame_target.addVertices(vertices);

		frame_target.addIndex(frame_index + 0); frame_target.addIndex(frame_index + 1);
		frame_target.addIndex(frame_index + 2); frame_target.addIndex(frame_index + 3);

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

			face_target.addColor(face_color);
			frame_target.addColor(frame_color);
		}
	}
}

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

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

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#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(30);

ofSetWindowTitle("openFrameworks");

ofBackground(255);

ofSetLineWidth(0.5);

ofEnableDepthTest();

this->frame.setMode(ofPrimitiveMode::OF_PRIMITIVE_LINES);

}

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

void ofApp::update() {

ofSeedRandom(39);

glm::vec3 noise_param = glm::vec3(ofRandom(360), ofRandom(360), ofRandom(360));

this->radius_list.push_back(0);

this->rotation_list.push_back(glm::vec3(

ofMap(ofNoise(noise_param.x, ofGetFrameNum() * 0.008), 0, 1, -360, 360),

ofMap(ofNoise(noise_param.y, ofGetFrameNum() * 0.008), 0, 1, -360, 360),

ofMap(ofNoise(noise_param.z, ofGetFrameNum() * 0.008), 0, 1, -360, 360)));

ofColor color;

color.setHsb((ofGetFrameNum() * 2) % 255, 255, 230);

this->color_list.push_back(color);

for (int i = this->radius_list.size() - 1; i > -1; i--) {

this->radius_list[i] += 1.5;

if (this->radius_list[i] > 250) {

this->radius_list.erase(this->radius_list.begin() + i);

this->rotation_list.erase(this->rotation_list.begin() + i);

this->color_list.erase(this->color_list.begin() + i);

}

this->face.clear();

this->frame.clear();

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

this->setRingToMesh(this->face, this->frame, glm::vec3(), this->rotation_list[i], this->radius_list[i], this->radius_list[i] * 0.1, ofColor(this->color_list[i]), ofColor(255));

}

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

void ofApp::draw() {

this->cam.begin();

ofRotateY(ofGetFrameNum() * 2.66666666666666);

this->face.draw();

this->frame.drawWireframe();

this->cam.end();

}

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

void ofApp::setRingToMesh(ofMesh& face_target, ofMesh& frame_target, glm::vec3 location, glm::vec3 rotation, float radius, float height, ofColor face_color, ofColor frame_color) {

int index = face_target.getNumVertices();

for (int deg = 0; deg < 360; deg += 5) {

vector<glm::vec3> vertices;

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

vertices.push_back(glm::vec3(radius * cos((deg + 5) * DEG_TO_RAD), radius * sin((deg + 5) * DEG_TO_RAD), height * -0.5));

vertices.push_back(glm::vec3(radius * cos((deg + 5) * DEG_TO_RAD), radius * sin((deg + 5) * DEG_TO_RAD), height * 0.5));

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

for (auto& vertex : vertices) {

auto rotation_x = glm::rotate(glm::mat4(), rotation.x * (float)DEG_TO_RAD, glm::vec3(1, 0, 0));

auto rotation_y = glm::rotate(glm::mat4(), rotation.y * (float)DEG_TO_RAD, glm::vec3(0, 1, 0));

auto rotation_z = glm::rotate(glm::mat4(), rotation.z * (float)DEG_TO_RAD, glm::vec3(0, 0, 1));

vertex = glm::vec4(vertex, 0) * rotation_y * rotation_x + glm::vec4(location, 0);

}

auto face_index = face_target.getNumVertices();

face_target.addVertices(vertices);

face_target.addIndex(face_index + 0); face_target.addIndex(face_index + 1); face_target.addIndex(face_index + 2);

face_target.addIndex(face_index + 0); face_target.addIndex(face_index + 2); face_target.addIndex(face_index + 3);

auto frame_index = frame_target.getNumVertices();

frame_target.addVertices(vertices);

frame_target.addIndex(frame_index + 0); frame_target.addIndex(frame_index + 1);

frame_target.addIndex(frame_index + 2); frame_target.addIndex(frame_index + 3);

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

face_target.addColor(face_color);

frame_target.addColor(frame_color);

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20221002

2025年7月
月	火	水	木	金	土	日
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