プログラミング de 落描き – ページ 666 – クリエイティブ・コーディングによる生成物とソース

2020年1月29日2020年1月29日

Character on the sphere. openFrameworks

[ Video ]

[ About ]
球体上の座標で浮遊する文字。

Character on the 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;

	float font_size;
	ofTrueTypeFont font;
};

#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;

float font_size;

ofTrueTypeFont font;

};

#include "ofApp.h"

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

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

	ofBackground(239);
	ofSetColor(39);
	ofSetLineWidth(1.5);
	ofNoFill();
	ofEnableDepthTest();

	this->font_size = 30;
	this->font.loadFont("fonts/Kazesawa-Bold.ttf", this->font_size, true, true, true);
}

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

	ofSeedRandom(39);
}

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

	this->cam.begin();
	ofRotateX(180);

	vector<string> word_list = {
		"A", "B", "C", "D", "E", "F",
		"G", "H", "I", "J", "K", "L",
		"M", "N", "O", "P", "Q", "R",
		"S", "T", "U", "V", "V", "X",
		"Y", "Z" };

	int sample_count = 180;
	for (auto& word : word_list) {

		auto noise_param = glm::vec3(ofRandom(1000), ofRandom(1000), ofRandom(1000));

		auto word_size = this->font.getStringBoundingBox(word, 0, 0);
		vector<ofPath> word_path = this->font.getStringAsPoints(word, true, false);
		for (int word_index = 0; word_index < word_path.size(); word_index++) {

			vector<ofPolyline> outline = word_path[word_index].getOutline();

			ofFill();
			ofSetColor(239);
			ofBeginShape();
			for (int outline_index = 0; outline_index < outline.size(); outline_index++) {

				if (outline_index != 0) { ofNextContour(true); }

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

					auto noise_location = glm::vec3(
						ofMap(ofNoise(noise_param.x, vertex.x * 0.005 - ofGetFrameNum() * 0.005), 0, 1, -300, 300),
						ofMap(ofNoise(noise_param.y, vertex.x * 0.005 - ofGetFrameNum() * 0.005), 0, 1, -300, 300),
						ofMap(ofNoise(noise_param.z, vertex.x * 0.005 - ofGetFrameNum() * 0.005), 0, 1, -300, 300));

					auto location = noise_location + vertex - glm::vec3(word_size.getWidth() * 0.5, -word_size.getHeight() * 0.5, 0);
					location = glm::normalize(location) * 200;
					ofVertex(location);
				}
			}
			ofEndShape(true);

			ofNoFill();
			ofSetColor(39);
			ofBeginShape();
			for (int outline_index = 0; outline_index < outline.size(); outline_index++) {

				if (outline_index != 0) { ofNextContour(true); }

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

					auto noise_location = glm::vec3(
						ofMap(ofNoise(noise_param.x, vertex.x * 0.005 - ofGetFrameNum() * 0.005), 0, 1, -300, 300),
						ofMap(ofNoise(noise_param.y, vertex.x * 0.005 - ofGetFrameNum() * 0.005), 0, 1, -300, 300),
						ofMap(ofNoise(noise_param.z, vertex.x * 0.005 - ofGetFrameNum() * 0.005), 0, 1, -300, 300));

					auto location = noise_location + vertex - glm::vec3(word_size.getWidth() * 0.5, -word_size.getHeight() * 0.5, 0);
					location = glm::normalize(location) * 200;
					ofVertex(location);
				}
			}
			ofEndShape(true);
		}
	}

	this->cam.end();
}

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

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

100

101

102

103

#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(60);

ofSetWindowTitle("openframeworks");

ofBackground(239);

ofSetColor(39);

ofSetLineWidth(1.5);

ofNoFill();

ofEnableDepthTest();

this->font_size = 30;

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

}

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

void ofApp::update() {

ofSeedRandom(39);

}

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

void ofApp::draw() {

this->cam.begin();

ofRotateX(180);

vector<string> word_list = {

"A", "B", "C", "D", "E", "F",

"G", "H", "I", "J", "K", "L",

"M", "N", "O", "P", "Q", "R",

"S", "T", "U", "V", "V", "X",

"Y", "Z" };

int sample_count = 180;

for (auto& word : word_list) {

auto noise_param = glm::vec3(ofRandom(1000), ofRandom(1000), ofRandom(1000));

auto word_size = this->font.getStringBoundingBox(word, 0, 0);

vector<ofPath> word_path = this->font.getStringAsPoints(word, true, false);

for (int word_index = 0; word_index < word_path.size(); word_index++) {

vector<ofPolyline> outline = word_path[word_index].getOutline();

ofFill();

ofSetColor(239);

ofBeginShape();

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

if (outline_index != 0) { ofNextContour(true); }

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

for (auto& vertex : vertices) {

auto noise_location = glm::vec3(

ofMap(ofNoise(noise_param.x, vertex.x * 0.005 - ofGetFrameNum() * 0.005), 0, 1, -300, 300),

ofMap(ofNoise(noise_param.y, vertex.x * 0.005 - ofGetFrameNum() * 0.005), 0, 1, -300, 300),

ofMap(ofNoise(noise_param.z, vertex.x * 0.005 - ofGetFrameNum() * 0.005), 0, 1, -300, 300));

auto location = noise_location + vertex - glm::vec3(word_size.getWidth() * 0.5, -word_size.getHeight() * 0.5, 0);

location = glm::normalize(location) * 200;

ofVertex(location);

}

ofEndShape(true);

ofNoFill();

ofSetColor(39);

ofBeginShape();

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

if (outline_index != 0) { ofNextContour(true); }

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

for (auto& vertex : vertices) {

auto noise_location = glm::vec3(

ofMap(ofNoise(noise_param.x, vertex.x * 0.005 - ofGetFrameNum() * 0.005), 0, 1, -300, 300),

ofMap(ofNoise(noise_param.y, vertex.x * 0.005 - ofGetFrameNum() * 0.005), 0, 1, -300, 300),

ofMap(ofNoise(noise_param.z, vertex.x * 0.005 - ofGetFrameNum() * 0.005), 0, 1, -300, 300));

auto location = noise_location + vertex - glm::vec3(word_size.getWidth() * 0.5, -word_size.getHeight() * 0.5, 0);

location = glm::normalize(location) * 200;

ofVertex(location);

}

ofEndShape(true);

}

this->cam.end();

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20200129

2020年1月28日2020年1月28日

Moving words. openFrameworks

[ Video ]

[ About ]
浮遊する文字列。

Moving words.

[ 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;

	float font_size;
	ofTrueTypeFont font;
};

#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;

float font_size;

ofTrueTypeFont font;

};

#include "ofApp.h"

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

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

	ofBackground(239);
	ofSetColor(39);
	ofSetLineWidth(1.5);
	ofEnableDepthTest();

	this->font_size = 15;
	this->font.loadFont("fonts/Kazesawa-Bold.ttf", this->font_size, true, true, true);
}

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

	ofSeedRandom(39);
}

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

	this->cam.begin();
	ofRotateX(180);

	vector<string> word_list = { "PCD TOKYO 2020 !", "PCD TOKYO 2020 !", "PCD TOKYO 2020 !", "PCD TOKYO 2020 !" };
	int sample_count = 180;
	for (auto& word : word_list) {

		auto noise_param = glm::vec3(ofRandom(1000), ofRandom(1000), ofRandom(1000));

		auto word_size = this->font.getStringBoundingBox(word, 0, 0);
		vector<ofPath> word_path = this->font.getStringAsPoints(word, true, false);
		for (int word_index = 0; word_index < word_path.size(); word_index++) {

			vector<ofPolyline> outline = word_path[word_index].getOutline();

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

				if (outline_index != 0) { ofNextContour(true); }

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

					auto noise_location = glm::vec3(
						ofMap(ofNoise(noise_param.x, vertex.x * 0.005 - ofGetFrameNum() * 0.005), 0, 1, -300, 300),
						ofMap(ofNoise(noise_param.y, vertex.x * 0.005 - ofGetFrameNum() * 0.005), 0, 1, -300, 300),
						ofMap(ofNoise(noise_param.z, vertex.x * 0.005 - ofGetFrameNum() * 0.005), 0, 1, -300, 300));

					ofVertex(noise_location + vertex - glm::vec3(word_size.getWidth() * 0.5, -word_size.getHeight() * 0.5, 0));
				}
			}
			ofEndShape();
		}
	}

	this->cam.end();
}

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

	ofSetupOpenGL(1280, 720, OF_WINDOW);
	ofRunApp(new ofApp());
}

#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(60);

ofSetWindowTitle("openframeworks");

ofBackground(239);

ofSetColor(39);

ofSetLineWidth(1.5);

ofEnableDepthTest();

this->font_size = 15;

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

}

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

void ofApp::update() {

ofSeedRandom(39);

}

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

void ofApp::draw() {

this->cam.begin();

ofRotateX(180);

vector<string> word_list = { "PCD TOKYO 2020 !", "PCD TOKYO 2020 !", "PCD TOKYO 2020 !", "PCD TOKYO 2020 !" };

int sample_count = 180;

for (auto& word : word_list) {

auto noise_param = glm::vec3(ofRandom(1000), ofRandom(1000), ofRandom(1000));

auto word_size = this->font.getStringBoundingBox(word, 0, 0);

vector<ofPath> word_path = this->font.getStringAsPoints(word, true, false);

for (int word_index = 0; word_index < word_path.size(); word_index++) {

vector<ofPolyline> outline = word_path[word_index].getOutline();

ofBeginShape();

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

if (outline_index != 0) { ofNextContour(true); }

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

for (auto& vertex : vertices) {

auto noise_location = glm::vec3(

ofMap(ofNoise(noise_param.x, vertex.x * 0.005 - ofGetFrameNum() * 0.005), 0, 1, -300, 300),

ofMap(ofNoise(noise_param.y, vertex.x * 0.005 - ofGetFrameNum() * 0.005), 0, 1, -300, 300),

ofMap(ofNoise(noise_param.z, vertex.x * 0.005 - ofGetFrameNum() * 0.005), 0, 1, -300, 300));

ofVertex(noise_location + vertex - glm::vec3(word_size.getWidth() * 0.5, -word_size.getHeight() * 0.5, 0));

}

ofEndShape();

}

this->cam.end();

}

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

int main() {

ofSetupOpenGL(1280, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20200128

2020年1月27日2020年1月27日

Multilayer torus.

[ Video ]

[ About ]
多層トーラス＆ノイズでの表示・非表示の切り替え。

Multilayer torus & Switch draw by noise value from location.

[ 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) {};

	glm::vec3 make_point(float R, float r, float u, float v);

	ofEasyCam cam;
	ofMesh face_mesh, frame_mesh;
};

#pragma once

#include "ofMain.h"

class ofApp : public ofBaseApp {

public:

void setup();

void update();

void draw();

void keyPressed(int key) {};

void keyReleased(int key) {};

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

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

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

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

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

void dragEvent(ofDragInfo dragInfo) {};

void gotMessage(ofMessage msg) {};

glm::vec3 make_point(float R, float r, float u, float v);

ofEasyCam cam;

ofMesh face_mesh, frame_mesh;

};

#include "ofApp.h"

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

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

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

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

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

	ofSeedRandom(39);

	this->face_mesh.clear();
	this->frame_mesh.clear();

	auto R = 200;
	auto v_span = 5;
	auto u_span = 8;
	for (auto r = 10; r < 50; r += 10) {

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

			for (auto u = 0; u < 360; u += u_span) {

				auto noise_seed = this->make_point(R, r, u + u_span * 0.5, v + v_span * 0.5);
				auto noise_value = ofNoise(glm::vec4(noise_seed * 0.005, ofGetFrameNum() * 0.01));
				if (noise_value > 0.5) {

					vector<glm::vec3> vertices;
					vertices.push_back(this->make_point(R, r, u, v));
					vertices.push_back(this->make_point(R, r, u + u_span, v));
					vertices.push_back(this->make_point(R, r, u + u_span, v + v_span));
					vertices.push_back(this->make_point(R, r, u, v + v_span));

					int index = this->face_mesh.getNumVertices();
					this->face_mesh.addVertices(vertices);
					this->frame_mesh.addVertices(vertices);

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

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

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

	this->cam.begin();
	ofRotateX(300);

	ofSetColor(239);
	this->face_mesh.drawFaces();

	ofSetColor(39);
	this->frame_mesh.drawWireframe();

	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(1280, 720, OF_WINDOW);
	ofRunApp(new ofApp());
}

#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(60);

ofSetWindowTitle("openframeworks");

ofBackground(239);

ofSetLineWidth(1.5);

ofEnableDepthTest();

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

}

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

void ofApp::update() {

ofSeedRandom(39);

this->face_mesh.clear();

this->frame_mesh.clear();

auto R = 200;

auto v_span = 5;

auto u_span = 8;

for (auto r = 10; r < 50; r += 10) {

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

for (auto u = 0; u < 360; u += u_span) {

auto noise_seed = this->make_point(R, r, u + u_span * 0.5, v + v_span * 0.5);

auto noise_value = ofNoise(glm::vec4(noise_seed * 0.005, ofGetFrameNum() * 0.01));

if (noise_value > 0.5) {

vector<glm::vec3> vertices;

vertices.push_back(this->make_point(R, r, u, v));

vertices.push_back(this->make_point(R, r, u + u_span, v));

vertices.push_back(this->make_point(R, r, u + u_span, v + v_span));

vertices.push_back(this->make_point(R, r, u, v + v_span));

int index = this->face_mesh.getNumVertices();

this->face_mesh.addVertices(vertices);

this->frame_mesh.addVertices(vertices);

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

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

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

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

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

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

}

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

void ofApp::draw() {

this->cam.begin();

ofRotateX(300);

ofSetColor(239);

this->face_mesh.drawFaces();

ofSetColor(39);

this->frame_mesh.drawWireframe();

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(1280, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20200127

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