noise – ページ 304 – プログラミング de 落描き

2019年8月8日2019年8月8日

Font wave. openFrameworks

[ Video ]

[ About ]
文字ウェーブ。

Font wave.

[ 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;

	int font_size;
	vector<ofPath> chara_path;
};

#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;

int font_size;

vector<ofPath> chara_path;

};

#include "ofApp.h"

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

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

	ofBackground(239);
	ofSetColor(39);
	ofSetLineWidth(3);
	ofNoFill();
	ofEnableDepthTest();

	this->font_size = 300;
	ofTrueTypeFont font;
	font.loadFont("fonts/Kazesawa-Bold.ttf", this->font_size, true, true, true);

	for (char c = 'A'; c <= 'Z'; c++) {

		this->chara_path.push_back(font.getCharacterAsPoints(c, true, false));
	}
}

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

	ofSeedRandom(39);
}

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

	this->cam.begin();
	ofRotateZ(180);
	ofRotateY(180);

	int span = 380;
	for (int x = -span; x <= span; x += span) {

		for (int y = -span; y <= span; y += span) {

			ofPushMatrix();
			ofTranslate(x, y);

			int char_index = ofMap(ofNoise(ofRandom(1000), ofGetFrameNum() * 0.0005), 0, 1, 0, this->chara_path.size());
			auto outline = this->chara_path[char_index].getOutline();
			for (int line_index = 0; line_index < outline.size(); line_index++) {

				outline[line_index] = outline[line_index].getResampledByCount(80);
				auto vertices = outline[line_index].getVertices();
				for (int vertices_index = 0; vertices_index < vertices.size(); vertices_index++) {

					auto point = vertices[vertices_index] + glm::vec2(this->font_size * -0.5, this->font_size * 0.5);
					auto next_point = vertices[vertices_index + 1] + glm::vec2(this->font_size * -0.5, this->font_size * 0.5);
					if (vertices_index == vertices.size() - 1) {

						point = vertices[vertices_index] + glm::vec2(this->font_size * -0.5, this->font_size * 0.5);
						next_point = vertices[0] + glm::vec2(this->font_size * -0.5, this->font_size * 0.5);
					}
					auto z = ofMap(ofNoise((x + point.x) * 0.005, (y + point.y) * 0.005, ofGetFrameNum() * 0.005), 0, 1, 0, -200);

					ofFill();
					ofSetColor(239);

					ofBeginShape();
					ofVertex(point);
					ofVertex(next_point);
					ofVertex(next_point + glm::vec3(0, 0, z));
					ofVertex(point + glm::vec3(0, 0, z));
					ofEndShape(true);

					ofNoFill();
					ofSetColor(39);

					ofBeginShape();
					ofVertex(point);
					ofVertex(next_point);
					ofVertex(next_point + glm::vec3(0, 0, z));
					ofVertex(point + glm::vec3(0, 0, z));
					ofEndShape(true);
				}
			}

			ofPopMatrix();
		}
	}

	this->cam.end();
}

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

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

#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(60);

ofSetWindowTitle("openFrameworks");

ofBackground(239);

ofSetColor(39);

ofSetLineWidth(3);

ofNoFill();

ofEnableDepthTest();

this->font_size = 300;

ofTrueTypeFont font;

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

for (char c = 'A'; c <= 'Z'; c++) {

this->chara_path.push_back(font.getCharacterAsPoints(c, true, false));

}

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

void ofApp::update() {

ofSeedRandom(39);

}

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

void ofApp::draw() {

this->cam.begin();

ofRotateZ(180);

ofRotateY(180);

int span = 380;

for (int x = -span; x <= span; x += span) {

for (int y = -span; y <= span; y += span) {

ofPushMatrix();

ofTranslate(x, y);

int char_index = ofMap(ofNoise(ofRandom(1000), ofGetFrameNum() * 0.0005), 0, 1, 0, this->chara_path.size());

auto outline = this->chara_path[char_index].getOutline();

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

outline[line_index] = outline[line_index].getResampledByCount(80);

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

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

auto point = vertices[vertices_index] + glm::vec2(this->font_size * -0.5, this->font_size * 0.5);

auto next_point = vertices[vertices_index + 1] + glm::vec2(this->font_size * -0.5, this->font_size * 0.5);

if (vertices_index == vertices.size() - 1) {

point = vertices[vertices_index] + glm::vec2(this->font_size * -0.5, this->font_size * 0.5);

next_point = vertices[0] + glm::vec2(this->font_size * -0.5, this->font_size * 0.5);

}

auto z = ofMap(ofNoise((x + point.x) * 0.005, (y + point.y) * 0.005, ofGetFrameNum() * 0.005), 0, 1, 0, -200);

ofFill();

ofSetColor(239);

ofBeginShape();

ofVertex(point);

ofVertex(next_point);

ofVertex(next_point + glm::vec3(0, 0, z));

ofVertex(point + glm::vec3(0, 0, z));

ofEndShape(true);

ofNoFill();

ofSetColor(39);

ofBeginShape();

ofVertex(point);

ofVertex(next_point);

ofVertex(next_point + glm::vec3(0, 0, z));

ofVertex(point + glm::vec3(0, 0, z));

ofEndShape(true);

}

ofPopMatrix();

}

this->cam.end();

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20190808

2019年8月7日2019年8月7日

Unfinished sphere. openFrameworks

[ Video ]

[ About ]
未完成の球体。

Unfinished sphere.

[ Source ]

#pragma once
#include "ofMain.h"

class ofApp : public ofBaseApp {

public:
	void setup();
	void update();
	void draw();

	void keyPressed(int key) {};
	void keyReleased(int key) {};
	void mouseMoved(int x, int y) {};
	void mouseDragged(int x, int y, int button) {};
	void mousePressed(int x, int y, int button) {};
	void mouseReleased(int x, int y, int button) {};
	void windowResized(int w, int h) {};
	void dragEvent(ofDragInfo dragInfo) {};
	void gotMessage(ofMessage msg) {};

	ofEasyCam cam;
};

#pragma once

#include "ofMain.h"

class ofApp : public ofBaseApp {

public:

void setup();

void update();

void draw();

void keyPressed(int key) {};

void keyReleased(int key) {};

void mouseMoved(int x, int y) {};

void mouseDragged(int x, int y, int button) {};

void mousePressed(int x, int y, int button) {};

void mouseReleased(int x, int y, int button) {};

void windowResized(int w, int h) {};

void dragEvent(ofDragInfo dragInfo) {};

void gotMessage(ofMessage msg) {};

ofEasyCam cam;

};

#include "ofApp.h"

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

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

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

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

}

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

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

	auto deg_span = 15;
	auto theta_span = 5;
	for (int radius = 100; radius <= 300; radius += 75) {

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

			auto noise_source = glm::vec2(radius * cos(deg * DEG_TO_RAD), radius * sin(deg * DEG_TO_RAD));
			int theta = ofMap(ofNoise(noise_source.x * 0.005, noise_source.y * 0.005, ofGetFrameNum() * 0.008), 0, 1, 0, 180);

			if (theta > 90) {

				for (int tmp_theta = 90; tmp_theta < theta; tmp_theta += theta_span) {

					vector<glm::vec3> vertices_1, vertices_2;
					for (int tmp_deg = deg; tmp_deg <= deg + deg_span; tmp_deg++) {

						vertices_1.push_back(glm::vec3(radius * cos(tmp_deg * DEG_TO_RAD) * sin(tmp_theta * DEG_TO_RAD), radius * sin(tmp_deg * DEG_TO_RAD) * sin(tmp_theta * DEG_TO_RAD), radius * cos(tmp_theta * DEG_TO_RAD)));
						vertices_2.push_back(glm::vec3(radius * cos(tmp_deg * DEG_TO_RAD) * sin((tmp_theta + theta_span) * DEG_TO_RAD), radius * sin(tmp_deg * DEG_TO_RAD) * sin((tmp_theta + theta_span) * DEG_TO_RAD), radius * cos((tmp_theta + theta_span) * DEG_TO_RAD)));
					}

					reverse(vertices_2.begin(), vertices_2.end());

					ofFill();
					ofSetColor(239);

					ofBeginShape();
					ofVertices(vertices_1);
					ofVertices(vertices_2);
					ofEndShape(true);

					ofNoFill();
					ofSetColor(39);

					ofBeginShape();
					ofVertices(vertices_1);
					ofVertices(vertices_2);
					ofEndShape(true);
				}
			}
			else {

				for (int tmp_theta = 90; tmp_theta > theta; tmp_theta -= theta_span) {

					vector<glm::vec3> vertices_1, vertices_2;
					for (int tmp_deg = deg; tmp_deg <= deg + deg_span; tmp_deg++) {

						vertices_1.push_back(glm::vec3(radius * cos(tmp_deg * DEG_TO_RAD) * sin(tmp_theta * DEG_TO_RAD), radius * sin(tmp_deg * DEG_TO_RAD) * sin(tmp_theta * DEG_TO_RAD), radius * cos(tmp_theta * DEG_TO_RAD)));
						vertices_2.push_back(glm::vec3(radius * cos(tmp_deg * DEG_TO_RAD) * sin((tmp_theta + theta_span) * DEG_TO_RAD), radius * sin(tmp_deg * DEG_TO_RAD) * sin((tmp_theta + theta_span) * DEG_TO_RAD), radius * cos((tmp_theta + theta_span) * DEG_TO_RAD)));
					}

					reverse(vertices_2.begin(), vertices_2.end());

					ofFill();
					ofSetColor(239);

					ofBeginShape();
					ofVertices(vertices_1);
				ofVertices(vertices_2);
					ofEndShape(true);

					ofNoFill();
					ofSetColor(39);

					ofBeginShape();
					ofVertices(vertices_1);
					ofVertices(vertices_2);
					ofEndShape(true);
				}
			}
		}
	}

	this->cam.end();
}

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

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

100

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105

#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(60);

ofSetWindowTitle("openFrameworks");

ofBackground(239);

ofSetLineWidth(3);

ofEnableDepthTest();

}

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

void ofApp::update() {

}

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

void ofApp::draw() {

this->cam.begin();

ofRotateZ(ofGetFrameNum());

auto deg_span = 15;

auto theta_span = 5;

for (int radius = 100; radius <= 300; radius += 75) {

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

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

int theta = ofMap(ofNoise(noise_source.x * 0.005, noise_source.y * 0.005, ofGetFrameNum() * 0.008), 0, 1, 0, 180);

if (theta > 90) {

for (int tmp_theta = 90; tmp_theta < theta; tmp_theta += theta_span) {

vector<glm::vec3> vertices_1, vertices_2;

for (int tmp_deg = deg; tmp_deg <= deg + deg_span; tmp_deg++) {

vertices_1.push_back(glm::vec3(radius * cos(tmp_deg * DEG_TO_RAD) * sin(tmp_theta * DEG_TO_RAD), radius * sin(tmp_deg * DEG_TO_RAD) * sin(tmp_theta * DEG_TO_RAD), radius * cos(tmp_theta * DEG_TO_RAD)));

vertices_2.push_back(glm::vec3(radius * cos(tmp_deg * DEG_TO_RAD) * sin((tmp_theta + theta_span) * DEG_TO_RAD), radius * sin(tmp_deg * DEG_TO_RAD) * sin((tmp_theta + theta_span) * DEG_TO_RAD), radius * cos((tmp_theta + theta_span) * DEG_TO_RAD)));

}

reverse(vertices_2.begin(), vertices_2.end());

ofFill();

ofSetColor(239);

ofBeginShape();

ofVertices(vertices_1);

ofVertices(vertices_2);

ofEndShape(true);

ofNoFill();

ofSetColor(39);

ofBeginShape();

ofVertices(vertices_1);

ofVertices(vertices_2);

ofEndShape(true);

}

else {

for (int tmp_theta = 90; tmp_theta > theta; tmp_theta -= theta_span) {

vector<glm::vec3> vertices_1, vertices_2;

for (int tmp_deg = deg; tmp_deg <= deg + deg_span; tmp_deg++) {

}

reverse(vertices_2.begin(), vertices_2.end());

ofFill();

ofSetColor(239);

ofBeginShape();

ofVertices(vertices_1);

ofVertices(vertices_2);

ofEndShape(true);

ofNoFill();

ofSetColor(39);

ofBeginShape();

ofVertices(vertices_1);

ofVertices(vertices_2);

ofEndShape(true);

}

this->cam.end();

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20190807

2019年7月30日2019年7月30日

Half torus. openFrameworks

[ Video ]

[ About ]
多層半分トーラス。

Half torus.

[ 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;
};

#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;

};

#include "ofApp.h"	

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

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

	ofBackground(239);
	ofSetLineWidth(2);
	ofEnableDepthTest();
}

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

	ofSeedRandom(39);
}

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

	this->cam.begin();

	auto R = 300;
	auto v_span = 20;
	auto u_span = 20;
	for (auto v = 0; v < 360; v += v_span) {

		auto noise_point = glm::vec2(R * cos(v * DEG_TO_RAD), R * sin(v * DEG_TO_RAD));
		for (auto r = 30; r < 100; r += 30) {

			auto u_start = ofMap(ofNoise(noise_point.x * 0.005, noise_point.y * 0.005, (ofGetFrameNum() + r) * 0.005), 0, 1, -180, 180);
			for (auto u = u_start; u < u_start + 180; u += u_span) {

				ofSetColor(39);
				ofFill();

				ofBeginShape();
				ofVertex(this->make_point(R, r, u - v_span * 0.5 - 0.2, v - u_span * 0.3 - 0.1));
				ofVertex(this->make_point(R, r, u + v_span * 0.5 - 0.2, v - u_span * 0.3 - 0.1));
				ofVertex(this->make_point(R, r, u + v_span * 0.5 - 0.2, v + u_span * 0.3 - 0.1));
				ofVertex(this->make_point(R, r, u - v_span * 0.5 - 0.2, v + u_span * 0.3 - 0.1));
				ofEndShape(true);

				ofSetColor(239);
				ofNoFill();

				ofBeginShape();
				ofVertex(this->make_point(R, r, u - v_span * 0.5 + 0.2, v - u_span * 0.3 + 0.1));
				ofVertex(this->make_point(R, r, u + v_span * 0.5 + 0.2, v - u_span * 0.3 + 0.1));
				ofVertex(this->make_point(R, r, u + v_span * 0.5 + 0.2, v + u_span * 0.3 + 0.1));
				ofVertex(this->make_point(R, r, u - v_span * 0.5 + 0.2, v + u_span * 0.3 + 0.1));
				ofEndShape(true);
			}
		}
	}

	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());
}

#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(60);

ofSetWindowTitle("openFrameworks");

ofBackground(239);

ofSetLineWidth(2);

ofEnableDepthTest();

}

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

void ofApp::update() {

ofSeedRandom(39);

}

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

void ofApp::draw() {

this->cam.begin();

auto R = 300;

auto v_span = 20;

auto u_span = 20;

for (auto v = 0; v < 360; v += v_span) {

auto noise_point = glm::vec2(R * cos(v * DEG_TO_RAD), R * sin(v * DEG_TO_RAD));

for (auto r = 30; r < 100; r += 30) {

auto u_start = ofMap(ofNoise(noise_point.x * 0.005, noise_point.y * 0.005, (ofGetFrameNum() + r) * 0.005), 0, 1, -180, 180);

for (auto u = u_start; u < u_start + 180; u += u_span) {

ofSetColor(39);

ofFill();

ofBeginShape();

ofVertex(this->make_point(R, r, u - v_span * 0.5 - 0.2, v - u_span * 0.3 - 0.1));

ofVertex(this->make_point(R, r, u + v_span * 0.5 - 0.2, v - u_span * 0.3 - 0.1));

ofVertex(this->make_point(R, r, u + v_span * 0.5 - 0.2, v + u_span * 0.3 - 0.1));

ofVertex(this->make_point(R, r, u - v_span * 0.5 - 0.2, v + u_span * 0.3 - 0.1));

ofEndShape(true);

ofSetColor(239);

ofNoFill();

ofBeginShape();

ofVertex(this->make_point(R, r, u - v_span * 0.5 + 0.2, v - u_span * 0.3 + 0.1));

ofVertex(this->make_point(R, r, u + v_span * 0.5 + 0.2, v - u_span * 0.3 + 0.1));

ofVertex(this->make_point(R, r, u + v_span * 0.5 + 0.2, v + u_span * 0.3 + 0.1));

ofVertex(this->make_point(R, r, u - v_span * 0.5 + 0.2, v + u_span * 0.3 + 0.1));

ofEndShape(true);

}

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/Insta20190730

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