noise – ページ 62 – プログラミング de 落描き

2022年11月25日

Switching spheres. Draw by openFrameworks

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球体入れ替え。

[ 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(255);
	ofEnableDepthTest();
	ofSetLineWidth(3);

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

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

	ofSeedRandom(39);

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

	float phi_deg_step = 2.5;
	float theta_deg_step = 2.5;
	float noise_radius = 500;
	float noise_step = 0.035;

	auto radius = ofGetFrameNum() % 60 < 30 ? ofMap(ofGetFrameNum() % 60, 0, 30, 150, 300) : ofMap(ofGetFrameNum() % 60, 30, 60, 300, 150);

	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) * 0.01,
				ofGetFrameNum() * noise_step);

			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) * 0.01,
				ofGetFrameNum() * noise_step);
			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) * 0.01,
				ofGetFrameNum() * noise_step);
			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) * 0.01,
				ofGetFrameNum() * noise_step);
			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) * 0.01,
				ofGetFrameNum() * noise_step);

			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);

			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);
			}

			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);
			}

			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);
			}

			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);
			}
		}
	}

	radius = ofGetFrameNum() % 60 < 30 ? ofMap(ofGetFrameNum() % 60, 0, 30, 300, 150) : ofMap(ofGetFrameNum() % 60, 30, 60, 150, 300);

	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) * 0.01,
				ofGetFrameNum() * noise_step);

			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) * 0.01,
				ofGetFrameNum() * noise_step);
			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) * 0.01,
				ofGetFrameNum() * noise_step);
			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) * 0.01,
				ofGetFrameNum() * noise_step);
			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) * 0.01,
				ofGetFrameNum() * noise_step);

			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);

			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);
			}

			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);
			}

			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);
			}

			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);
			}
		}
	}
}

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

	this->cam.begin();
	ofRotateX(270);
	ofRotateZ(ofGetFrameNum() * -0.666666);

	ofSetColor(0);
	this->face.draw();

	ofSetColor(255);
	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(255);

ofEnableDepthTest();

ofSetLineWidth(3);

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

}

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

void ofApp::update() {

ofSeedRandom(39);

this->face.clear();

this->line.clear();

float phi_deg_step = 2.5;

float theta_deg_step = 2.5;

float noise_radius = 500;

float noise_step = 0.035;

auto radius = ofGetFrameNum() % 60 < 30 ? ofMap(ofGetFrameNum() % 60, 0, 30, 150, 300) : ofMap(ofGetFrameNum() % 60, 30, 60, 300, 150);

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) * 0.01,

ofGetFrameNum() * noise_step);

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) * 0.01,

ofGetFrameNum() * noise_step);

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) * 0.01,

ofGetFrameNum() * noise_step);

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) * 0.01,

ofGetFrameNum() * noise_step);

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) * 0.01,

ofGetFrameNum() * noise_step);

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);

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);

}

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);

}

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);

}

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);

}

radius = ofGetFrameNum() % 60 < 30 ? ofMap(ofGetFrameNum() % 60, 0, 30, 300, 150) : ofMap(ofGetFrameNum() % 60, 30, 60, 150, 300);

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) * 0.01,

ofGetFrameNum() * noise_step);

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) * 0.01,

ofGetFrameNum() * noise_step);

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) * 0.01,

ofGetFrameNum() * noise_step);

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) * 0.01,

ofGetFrameNum() * noise_step);

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) * 0.01,

ofGetFrameNum() * noise_step);

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);

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);

}

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);

}

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);

}

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);

}

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

void ofApp::draw() {

this->cam.begin();

ofRotateX(270);

ofRotateZ(ofGetFrameNum() * -0.666666);

ofSetColor(0);

this->face.draw();

ofSetColor(255);

this->line.draw();

this->cam.end();

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20221125

2022年11月24日

NEORT++ (CURATION_FREE). Draw by openFrameworks

[ Video ]

[ About ]
NEORT++.

[ 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> base_location_list;

	vector<tuple<ofColor, glm::vec3, float>> sphere_list; // BodyColor, Location, size
	vector<glm::vec3> deg_list;
	int number_of_sphere;

	ofTrueTypeFont font;
	string word;
};

#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> base_location_list;

vector<tuple<ofColor, glm::vec3, float>> sphere_list; // BodyColor, Location, size

vector<glm::vec3> deg_list;

int number_of_sphere;

ofTrueTypeFont font;

string word;

};

#include "ofApp.h"

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

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

	ofBackground(255);
	ofSetLineWidth(3);
	ofEnableDepthTest();

	auto ico_sphere = ofIcoSpherePrimitive(1, 5);

	this->number_of_sphere = 1000;
	while (this->sphere_list.size() < this->number_of_sphere) {

		auto tmp_location = this->make_point(280, ofRandom(0, 50), ofRandom(360), ofRandom(360));
		auto radius = this->sphere_list.size() < 200 ? ofRandom(10, 50) : ofRandom(5, 20);

		bool flag = true;
		for (int i = 0; i < this->sphere_list.size(); i++) {

			if (glm::distance(tmp_location, get<1>(this->sphere_list[i])) < get<2>(this->sphere_list[i]) + radius) {

				flag = false;
				break;
			}
		}

		if (flag) {

			ofColor color;
			color.setHsb(ofRandom(255), 200, 255);

			auto size = (radius * 2) / sqrt(3);

			this->sphere_list.push_back(make_tuple(color, tmp_location, size));
			this->deg_list.push_back(glm::vec3(ofRandom(360), ofRandom(360), ofRandom(360)));
		}
	}

	this->font.loadFont("fonts/Kazesawa-Bold.ttf", 100, true, true, true);
	this->word = "NEORT++";
}

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

	ofSeedRandom(39);

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

		auto step = glm::vec3(ofRandom(1, 3), ofRandom(1, 3), ofRandom(-3, 3));

		if (ofGetFrameNum() % 60 < 30) {

			this->deg_list[i] += step * ofMap(ofGetFrameNum() % 60, 0, 30, 15, 0);
		}
	}
}

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

	this->cam.begin();
	ofRotateX(270);
	ofRotateZ(ofGetFrameNum() * 0.2);

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

		auto location = get<1>(this->sphere_list[i]);
		auto size = get<2>(this->sphere_list[i]) * 1.2;

		ofPushMatrix();
		ofTranslate(location);

		ofRotateZ(this->deg_list[i].z);
		ofRotateY(this->deg_list[i].y);
		ofRotateX(this->deg_list[i].x);

		ofPath chara_path = this->font.getCharacterAsPoints(this->word[ofRandom(this->word.size())], true, false);
		vector<ofPolyline> outline = chara_path.getOutline();

		ofFill();
		ofSetColor(255);
		ofBeginShape();
		for (int outline_index = 0; outline_index < outline.size(); outline_index++) {

			ofNextContour(true);

			auto vertices = outline[outline_index].getVertices();
			for (auto& vertex : vertices) {

				glm::vec2 location = vertex / 100 * size;
				location -= glm::vec2(size * 0.5, -size * 0.5);
				ofVertex(location);
			}
		}
		ofEndShape(true);

		ofNoFill();
		ofSetColor(0);
		ofBeginShape();
		for (int outline_index = 0; outline_index < outline.size(); outline_index++) {

			ofNextContour(true);

			auto vertices = outline[outline_index].getVertices();
			for (auto& vertex : vertices) {

				glm::vec2 location = vertex / 100 * size;
				location -= glm::vec2(size * 0.5, -size * 0.5);
				ofVertex(location);
			}
		}
		ofEndShape(true);

		ofPopMatrix();
	}

	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());
}

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#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(30);

ofSetWindowTitle("openFrameworks");

ofBackground(255);

ofSetLineWidth(3);

ofEnableDepthTest();

auto ico_sphere = ofIcoSpherePrimitive(1, 5);

this->number_of_sphere = 1000;

while (this->sphere_list.size() < this->number_of_sphere) {

auto tmp_location = this->make_point(280, ofRandom(0, 50), ofRandom(360), ofRandom(360));

auto radius = this->sphere_list.size() < 200 ? ofRandom(10, 50) : ofRandom(5, 20);

bool flag = true;

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

if (glm::distance(tmp_location, get<1>(this->sphere_list[i])) < get<2>(this->sphere_list[i]) + radius) {

flag = false;

break;

}

if (flag) {

ofColor color;

color.setHsb(ofRandom(255), 200, 255);

auto size = (radius * 2) / sqrt(3);

this->sphere_list.push_back(make_tuple(color, tmp_location, size));

this->deg_list.push_back(glm::vec3(ofRandom(360), ofRandom(360), ofRandom(360)));

}

this->font.loadFont("fonts/Kazesawa-Bold.ttf", 100, true, true, true);

this->word = "NEORT++";

}

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

void ofApp::update() {

ofSeedRandom(39);

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

auto step = glm::vec3(ofRandom(1, 3), ofRandom(1, 3), ofRandom(-3, 3));

if (ofGetFrameNum() % 60 < 30) {

this->deg_list[i] += step * ofMap(ofGetFrameNum() % 60, 0, 30, 15, 0);

}

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

void ofApp::draw() {

this->cam.begin();

ofRotateX(270);

ofRotateZ(ofGetFrameNum() * 0.2);

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

auto location = get<1>(this->sphere_list[i]);

auto size = get<2>(this->sphere_list[i]) * 1.2;

ofPushMatrix();

ofTranslate(location);

ofRotateZ(this->deg_list[i].z);

ofRotateY(this->deg_list[i].y);

ofRotateX(this->deg_list[i].x);

ofPath chara_path = this->font.getCharacterAsPoints(this->word[ofRandom(this->word.size())], true, false);

vector<ofPolyline> outline = chara_path.getOutline();

ofFill();

ofSetColor(255);

ofBeginShape();

for (int outline_index = 0; outline_index < outline.size(); outline_index++) {

ofNextContour(true);

auto vertices = outline[outline_index].getVertices();

for (auto& vertex : vertices) {

glm::vec2 location = vertex / 100 * size;

location -= glm::vec2(size * 0.5, -size * 0.5);

ofVertex(location);

}

ofEndShape(true);

ofNoFill();

ofSetColor(0);

ofBeginShape();

for (int outline_index = 0; outline_index < outline.size(); outline_index++) {

ofNextContour(true);

auto vertices = outline[outline_index].getVertices();

for (auto& vertex : vertices) {

glm::vec2 location = vertex / 100 * size;

location -= glm::vec2(size * 0.5, -size * 0.5);

ofVertex(location);

}

ofEndShape(true);

ofPopMatrix();

}

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/Insta20221124

2022年11月21日

Burning sphere. Draw by openFrameworks

[ Video ]

[ About ]
バーニング・スフィア

[ 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;

	vector<glm::vec3> base_location_list;
	vector<ofColor> base_color_list;

	vector<vector<glm::vec3>> log_list;
	vector<ofColor> color_list;
	vector<float> life_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;

vector<glm::vec3> base_location_list;

vector<ofColor> base_color_list;

vector<vector<glm::vec3>> log_list;

vector<ofColor> color_list;

vector<float> life_list;

};

#include "ofApp.h"	

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

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

	ofBackground(0);
	ofNoFill();
	ofEnableDepthTest();
	ofSetRectMode(ofRectMode::OF_RECTMODE_CENTER);
	ofEnableBlendMode(ofBlendMode::OF_BLENDMODE_ADD);

	ofColor color;
	vector<int> hex_list = { 0xf72585, 0xb5179e, 0x7209b7, 0x480ca8, 0x3f37c9, 0x4cc9f0 };

	for (auto hex : hex_list) {

		color.setHex(hex);
		this->base_color_list.push_back(color);
	}

	auto ico_sphere = ofIcoSpherePrimitive(300, 7);
	for (auto& vertex : ico_sphere.getMeshPtr()->getVertices()) {

		this->base_location_list.push_back(vertex);
	}

}

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

	int radius = 5;
	while (this->log_list.size() < 8000) {

		int font_location_index = ofRandom(this->base_location_list.size());
		vector<glm::vec3> log;
		log.push_back(this->base_location_list[font_location_index]);
		this->log_list.push_back(log);
		this->color_list.push_back(this->base_color_list[(int)ofRandom(this->base_color_list.size())]);
		this->life_list.push_back(ofRandom(10, 60));
	}

	for (int i = this->log_list.size() - 1; i >= 0; i--) {

		this->life_list[i] -= 1;
		if (this->life_list[i] < 0) {

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

			continue;
		}

		auto deg = ofMap(ofNoise(glm::vec4(this->log_list[i].back() * 0.004, ofGetFrameNum() * 0.00003)), 0, 1, -360, 360);
		auto theta = ofMap(ofNoise(glm::vec4(this->log_list[i].back() * 0.004, (ofGetFrameNum() + 10000) * 0.00003)), 0, 1, -360, 360);
		this->log_list[i].push_back(this->log_list[i].back() + 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)));
		while (this->log_list[i].size() > 100) {

			this->log_list[i].erase(this->log_list[i].begin());
		}
	}
}

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

	this->cam.begin();
	ofRotateX(270);
	ofRotateZ(ofGetFrameNum() * 0.333333);
	
	for (int i = 0; i < this->log_list.size(); i++) {

		ofSetColor(this->color_list[i]);

		if (this->life_list[i] > 30) {

			ofSetLineWidth(1.5);
		}
		else {

			ofSetLineWidth(ofMap(this->life_list[i], 0, 30, 0, 1.5));
		}

		ofSetColor(ofColor(this->color_list[i], 200));

		ofBeginShape();
		ofVertices(this->log_list[i]);
		ofEndShape();
	}

	this->cam.end();
}

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

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

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#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(60);

ofSetWindowTitle("openFrameworks");

ofBackground(0);

ofNoFill();

ofEnableDepthTest();

ofSetRectMode(ofRectMode::OF_RECTMODE_CENTER);

ofEnableBlendMode(ofBlendMode::OF_BLENDMODE_ADD);

ofColor color;

vector<int> hex_list = { 0xf72585, 0xb5179e, 0x7209b7, 0x480ca8, 0x3f37c9, 0x4cc9f0 };

for (auto hex : hex_list) {

color.setHex(hex);

this->base_color_list.push_back(color);

}

auto ico_sphere = ofIcoSpherePrimitive(300, 7);

for (auto& vertex : ico_sphere.getMeshPtr()->getVertices()) {

this->base_location_list.push_back(vertex);

}

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

void ofApp::update() {

int radius = 5;

while (this->log_list.size() < 8000) {

int font_location_index = ofRandom(this->base_location_list.size());

vector<glm::vec3> log;

log.push_back(this->base_location_list[font_location_index]);

this->log_list.push_back(log);

this->color_list.push_back(this->base_color_list[(int)ofRandom(this->base_color_list.size())]);

this->life_list.push_back(ofRandom(10, 60));

}

for (int i = this->log_list.size() - 1; i >= 0; i--) {

this->life_list[i] -= 1;

if (this->life_list[i] < 0) {

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

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

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

continue;

}

auto deg = ofMap(ofNoise(glm::vec4(this->log_list[i].back() * 0.004, ofGetFrameNum() * 0.00003)), 0, 1, -360, 360);

auto theta = ofMap(ofNoise(glm::vec4(this->log_list[i].back() * 0.004, (ofGetFrameNum() + 10000) * 0.00003)), 0, 1, -360, 360);

this->log_list[i].push_back(this->log_list[i].back() + 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)));

while (this->log_list[i].size() > 100) {

this->log_list[i].erase(this->log_list[i].begin());

}

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

void ofApp::draw() {

this->cam.begin();

ofRotateX(270);

ofRotateZ(ofGetFrameNum() * 0.333333);

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

ofSetColor(this->color_list[i]);

if (this->life_list[i] > 30) {

ofSetLineWidth(1.5);

}

else {

ofSetLineWidth(ofMap(this->life_list[i], 0, 30, 0, 1.5));

}

ofSetColor(ofColor(this->color_list[i], 200));

ofBeginShape();

ofVertices(this->log_list[i]);

ofEndShape();

}

this->cam.end();

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20221121

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