2022年11月 – ページ 3 – プログラミング de 落描き

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

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2022年11月23日

Circle of gradation. Draw by openFrameworks

[ Video ]

[ About ]
グラデーションの円。

[ 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 windowResized(int w, int h) {};
	void dragEvent(ofDragInfo dragInfo) {};
	void gotMessage(ofMessage msg) {};
};

#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) {};

};

#include "ofApp.h"

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

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

	ofBackground(0);
}

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

	
}

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

	ofTranslate(ofGetWindowSize() * 0.5);

	auto radius_span = 20;
	auto len = 600;
	ofColor color;

	ofSeedRandom(39);
	for (int radius = 60; radius <= 320; radius += radius_span) {

		auto noise_seed = ofRandom(1000);
		for (int i = 0; i < len; i++) {

			auto deg = ofMap(ofNoise(noise_seed, i * 0.00035 - ofGetFrameNum() * 0.0025), 0, 1, -360, 360);
			auto location = glm::vec2(radius * cos(deg * DEG_TO_RAD), radius * sin(deg * DEG_TO_RAD));
		
			ofNoFill();
			ofSetColor(255);
			ofDrawCircle(location, radius_span * 0.3 + 1);
		}
	
	}

	ofSeedRandom(39);
	for (int radius = 60; radius <= 320; radius += radius_span) {

		auto noise_seed = ofRandom(1000);
		auto hue = ofMap(radius, 60, 320, 0, 255);
		for (int i = 0; i < len; i++) {

			auto deg = ofMap(ofNoise(noise_seed, i * 0.00035 - ofGetFrameNum() * 0.0025), 0, 1, -360, 360);
			auto location = glm::vec2(radius * cos(deg * DEG_TO_RAD), radius * sin(deg * DEG_TO_RAD));

			color.setHsb((int)(hue + i * 0.1) % 255, 200, 255);

			ofFill();
			ofSetColor(color);
			ofDrawCircle(location, radius_span * 0.3);
		}

	}
}

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

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

#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(60);

ofSetWindowTitle("openFrameworks");

ofBackground(0);

}

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

void ofApp::update() {

}

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

void ofApp::draw() {

ofTranslate(ofGetWindowSize() * 0.5);

auto radius_span = 20;

auto len = 600;

ofColor color;

ofSeedRandom(39);

for (int radius = 60; radius <= 320; radius += radius_span) {

auto noise_seed = ofRandom(1000);

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

auto deg = ofMap(ofNoise(noise_seed, i * 0.00035 - ofGetFrameNum() * 0.0025), 0, 1, -360, 360);

auto location = glm::vec2(radius * cos(deg * DEG_TO_RAD), radius * sin(deg * DEG_TO_RAD));

ofNoFill();

ofSetColor(255);

ofDrawCircle(location, radius_span * 0.3 + 1);

}

ofSeedRandom(39);

for (int radius = 60; radius <= 320; radius += radius_span) {

auto noise_seed = ofRandom(1000);

auto hue = ofMap(radius, 60, 320, 0, 255);

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

auto deg = ofMap(ofNoise(noise_seed, i * 0.00035 - ofGetFrameNum() * 0.0025), 0, 1, -360, 360);

auto location = glm::vec2(radius * cos(deg * DEG_TO_RAD), radius * sin(deg * DEG_TO_RAD));

color.setHsb((int)(hue + i * 0.1) % 255, 200, 255);

ofFill();

ofSetColor(color);

ofDrawCircle(location, radius_span * 0.3);

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

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2022年11月22日

Vortex. Draw by openFrameworks

[ Video ]

[ About ]
渦。

[ 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) {};
};

#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) {};

};

#include "ofApp.h"

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

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

	ofBackground(0);
	ofNoFill();
	ofEnableBlendMode(ofBlendMode::OF_BLENDMODE_ADD);
}

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

	ofSeedRandom(39);
}

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

	ofTranslate(ofGetWindowSize() * 0.5);

	ofColor color;
	for (float base_deg = 0; base_deg < 360; base_deg += 1) {

		vector<glm::vec2> vertices;
		auto base_radius = ofRandom(720);
		auto speed = ofRandom(3, 5);
		auto deg_speed = ofRandom(2, 6);

		for (int i = 0; i < ofMap(deg_speed, 2, 6, 30, 10); i++) {

			auto deg = base_deg + (ofGetFrameNum() + i) * deg_speed;
			auto radius = 800 - (int)(base_radius + (ofGetFrameNum() + i) * speed) % 800;
			if (radius < 100) { radius = 100; }
			auto vertex = glm::vec2(radius * cos(deg * DEG_TO_RAD), radius * sin(deg * DEG_TO_RAD));

			if (i > 0 && glm::distance(vertex, vertices.back()) > 100) {

				continue;
			}
			vertices.push_back(vertex);
		}
		
		color.setHsb(ofRandom(255), 80, 255);
		ofSetColor(color);

		ofBeginShape();
		ofVertices(vertices);
		ofEndShape();
	}
}

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

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

#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(60);

ofSetWindowTitle("openFrameworks");

ofBackground(0);

ofNoFill();

ofEnableBlendMode(ofBlendMode::OF_BLENDMODE_ADD);

}

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

void ofApp::update() {

ofSeedRandom(39);

}

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

void ofApp::draw() {

ofTranslate(ofGetWindowSize() * 0.5);

ofColor color;

for (float base_deg = 0; base_deg < 360; base_deg += 1) {

vector<glm::vec2> vertices;

auto base_radius = ofRandom(720);

auto speed = ofRandom(3, 5);

auto deg_speed = ofRandom(2, 6);

for (int i = 0; i < ofMap(deg_speed, 2, 6, 30, 10); i++) {

auto deg = base_deg + (ofGetFrameNum() + i) * deg_speed;

auto radius = 800 - (int)(base_radius + (ofGetFrameNum() + i) * speed) % 800;

if (radius < 100) { radius = 100; }

auto vertex = glm::vec2(radius * cos(deg * DEG_TO_RAD), radius * sin(deg * DEG_TO_RAD));

if (i > 0 && glm::distance(vertex, vertices.back()) > 100) {

continue;

}

vertices.push_back(vertex);

}

color.setHsb(ofRandom(255), 80, 255);

ofSetColor(color);

ofBeginShape();

ofVertices(vertices);

ofEndShape();

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20221122

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