プログラミング de 落描き – ページ 578 – クリエイティブ・コーディングによる生成物とソース

2019年8月5日2019年8月5日

Ripple of font on the box. openFrameworks

[ Video ]

[ About ]
箱の上の文字波紋。

Ripple of font on the box.

[ 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) {};

	ofEasyCam cam;

	int font_size;
	int len;
	vector<ofPath> chara_path;

	vector<int> chara_index;
	vector<int> face_index;
	vector<glm::vec3> location;
	vector<int> progress;
};

#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) {};

ofEasyCam cam;

int font_size;

int len;

vector<ofPath> chara_path;

vector<int> chara_index;

vector<int> face_index;

vector<glm::vec3> location;

vector<int> progress;

};

#include "ofApp.h"	

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

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

	ofBackground(239);
	ofNoFill();
	ofSetLineWidth(3);

	this->font_size = 200;
	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));
	}

	this->len = 300;
	for (int i = 0; i < 80; i++) {

		this->chara_index.push_back((int)ofRandom(this->chara_path.size()));
		this->face_index.push_back((int)ofRandom(6));
		this->location.push_back(glm::vec3(ofRandom(-this->len * 0.5, this->len * 0.5), ofRandom(-this->len * 0.5, this->len * 0.5), this->len * 0.5));
		this->progress.push_back((int)ofRandom(100));
	}
}

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

}

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

	this->cam.begin();
	ofRotateY(ofGetFrameNum() * 0.8);

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

		this->progress[i] = (this->progress[i] + 1) % 100;
		if (this->progress[i] == 0) {

			this->chara_index[i] = ((int)ofRandom(this->chara_path.size()));
			this->face_index[i] = ((int)ofRandom(6));
			this->location[i] = (glm::vec3(ofRandom(-this->len * 0.5, this->len * 0.5), ofRandom(-this->len * 0.5, this->len * 0.5), this->len * 0.5));

			continue;
		}

		ofPushMatrix();

		if (this->face_index[i] < 4) {

			ofRotateX(this->face_index[i] * 90);
		}
		else if(this->face_index[i] < 5) {

			ofRotateY(90);
		}
		else {

			ofRotateY(270);
		}

		auto alpha = 255;
		if (this->progress[i] > 50) {

			alpha = ofMap(this->progress[i], 50, 100, 255, 0);
		}
		ofSetColor(39, alpha);

		ofBeginShape();
		auto outline = this->chara_path[this->chara_index[i]].getOutline();

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

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

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

				auto point = this->location[i] + (vertices[vertices_index] / 100 * this->progress[i]) + glm::vec2(this->font_size / 100 * this->progress[i] * -0.5, this->font_size / 100 * this->progress[i] * 0.5);
				if (point.y > this->len * 0.5) { point.y = this->len * 0.5; }
				if (point.y < -this->len * 0.5) { point.y = -this->len * 0.5; }
				if (point.x > this->len * 0.5) { point.x = this->len * 0.5; }
				if (point.x < -this->len * 0.5) { point.x = -this->len * 0.5; }

				ofVertex(point);
			}
		}
		ofEndShape(true);
		
		ofPopMatrix();
	}

	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(239);

ofNoFill();

ofSetLineWidth(3);

this->font_size = 200;

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));

}

this->len = 300;

for (int i = 0; i < 80; i++) {

this->chara_index.push_back((int)ofRandom(this->chara_path.size()));

this->face_index.push_back((int)ofRandom(6));

this->location.push_back(glm::vec3(ofRandom(-this->len * 0.5, this->len * 0.5), ofRandom(-this->len * 0.5, this->len * 0.5), this->len * 0.5));

this->progress.push_back((int)ofRandom(100));

}

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

void ofApp::update() {

}

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

void ofApp::draw() {

this->cam.begin();

ofRotateY(ofGetFrameNum() * 0.8);

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

this->progress[i] = (this->progress[i] + 1) % 100;

if (this->progress[i] == 0) {

this->chara_index[i] = ((int)ofRandom(this->chara_path.size()));

this->face_index[i] = ((int)ofRandom(6));

this->location[i] = (glm::vec3(ofRandom(-this->len * 0.5, this->len * 0.5), ofRandom(-this->len * 0.5, this->len * 0.5), this->len * 0.5));

continue;

}

ofPushMatrix();

if (this->face_index[i] < 4) {

ofRotateX(this->face_index[i] * 90);

}

else if(this->face_index[i] < 5) {

ofRotateY(90);

}

else {

ofRotateY(270);

}

auto alpha = 255;

if (this->progress[i] > 50) {

alpha = ofMap(this->progress[i], 50, 100, 255, 0);

}

ofSetColor(39, alpha);

ofBeginShape();

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

ofBeginShape();

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

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

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

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

auto point = this->location[i] + (vertices[vertices_index] / 100 * this->progress[i]) + glm::vec2(this->font_size / 100 * this->progress[i] * -0.5, this->font_size / 100 * this->progress[i] * 0.5);

if (point.y > this->len * 0.5) { point.y = this->len * 0.5; }

if (point.y < -this->len * 0.5) { point.y = -this->len * 0.5; }

if (point.x > this->len * 0.5) { point.x = this->len * 0.5; }

if (point.x < -this->len * 0.5) { point.x = -this->len * 0.5; }

ofVertex(point);

}

ofEndShape(true);

ofPopMatrix();

}

this->cam.end();

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20190805

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2019年8月4日

Skeleton of torus. openFrameworks

[ Video ]

[ About ]
すけすけトーラス

Skeleton of 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(3);
	ofEnableDepthTest();
}

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

}

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

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

	auto R = 300.f;
	auto r = 100.f;
	auto u = 0.f;
	auto u_step = 10.f;
	auto v_step = 5.f;
	int param = (ofGetFrameNum() * 2) % 360;

	for (int i = 0; i < 9; i++) {

		ofRotate(20);
		vector<glm::vec3> vertices;
		for (auto v = 0; v < 360; v += v_step) {

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

			ofFill();
			ofSetColor(239);
			ofBeginShape();
			ofVertices(vertices);
			ofEndShape(true);

			ofNoFill();
			ofSetColor(39);

			vertices.clear();
			vertices.push_back(this->make_point(R, r + 1, u, v));
			vertices.push_back(this->make_point(R, r + 1, u + u_step, v + v_step));
			vertices.push_back(this->make_point(R, r + 1, u, v + v_step));
			vertices.push_back(this->make_point(R, r + 1, u - u_step, v));

			ofBeginShape();
			ofVertices(vertices);
			ofEndShape(true);

			vertices.clear();
			vertices.push_back(this->make_point(R, r - 1, u, v));
			vertices.push_back(this->make_point(R, r - 1, u + u_step, v + v_step));
			vertices.push_back(this->make_point(R, r - 1, u, v + v_step));
			vertices.push_back(this->make_point(R, r - 1, u - u_step, v));

			ofBeginShape();
			ofVertices(vertices);
			ofEndShape(true);

			u += u_step;
		}
	}

	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());
}

100

#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(60);

ofSetWindowTitle("openframeworks");

ofBackground(239);

ofSetLineWidth(3);

ofEnableDepthTest();

}

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

void ofApp::update() {

}

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

void ofApp::draw() {

this->cam.begin();

ofRotateY(ofGetFrameNum());

auto R = 300.f;

auto r = 100.f;

auto u = 0.f;

auto u_step = 10.f;

auto v_step = 5.f;

int param = (ofGetFrameNum() * 2) % 360;

for (int i = 0; i < 9; i++) {

ofRotate(20);

vector<glm::vec3> vertices;

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

vertices.clear();

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

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

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

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

ofFill();

ofSetColor(239);

ofBeginShape();

ofVertices(vertices);

ofEndShape(true);

ofNoFill();

ofSetColor(39);

vertices.clear();

vertices.push_back(this->make_point(R, r + 1, u, v));

vertices.push_back(this->make_point(R, r + 1, u + u_step, v + v_step));

vertices.push_back(this->make_point(R, r + 1, u, v + v_step));

vertices.push_back(this->make_point(R, r + 1, u - u_step, v));

ofBeginShape();

ofVertices(vertices);

ofEndShape(true);

vertices.clear();

vertices.push_back(this->make_point(R, r - 1, u, v));

vertices.push_back(this->make_point(R, r - 1, u + u_step, v + v_step));

vertices.push_back(this->make_point(R, r - 1, u, v + v_step));

vertices.push_back(this->make_point(R, r - 1, u - u_step, v));

ofBeginShape();

ofVertices(vertices);

ofEndShape(true);

u += u_step;

}

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 ]
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2019年8月3日

Tornade. openFrameworks

[ Video ]

[ About ]
トルネード！

Tornade.

[ 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) {};

	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) {};

ofEasyCam cam;

};

#include "ofApp.h"	

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

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

	ofBackground(239);
	ofSetColor(39);
	ofSetLineWidth(3);
}

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

	ofSeedRandom(39);
}

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

	this->cam.begin();
	ofRotateX(270);

	auto radius = 500;
	for (int i = 0; i < 150; i++) {

		auto deg_speed = ofRandom(2, 4);
		auto deg_param = ofRandom(360) + ofGetFrameNum() * deg_speed;
		auto z_speed = ofRandom(2, 10);
		auto z_param = ofRandom(600) + ofGetFrameNum() * z_speed;

		glm::vec3 prev_location;
		for (int k = 0; k < 10; k++) {

			auto deg = deg_param + k * deg_speed;
			auto z = (int)(z_param + k * z_speed) % 600 - 300;

			auto location = glm::vec3(radius * cos(deg * DEG_TO_RAD), radius * sin(deg * DEG_TO_RAD), z);

			auto alpha = 255;
			if (location.y > 0) {

				alpha = ofMap(location.y, 0, 500, 255, 64);
			}

			ofSetColor(39, alpha);
			if (prev_location != glm::vec3() && glm::distance(prev_location, location) < 300) {

				ofDrawLine(prev_location, location);
			}

			prev_location = location;
		}
	}

	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);

}

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

void ofApp::update() {

ofSeedRandom(39);

}

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

void ofApp::draw() {

this->cam.begin();

ofRotateX(270);

auto radius = 500;

for (int i = 0; i < 150; i++) {

auto deg_speed = ofRandom(2, 4);

auto deg_param = ofRandom(360) + ofGetFrameNum() * deg_speed;

auto z_speed = ofRandom(2, 10);

auto z_param = ofRandom(600) + ofGetFrameNum() * z_speed;

glm::vec3 prev_location;

for (int k = 0; k < 10; k++) {

auto deg = deg_param + k * deg_speed;

auto z = (int)(z_param + k * z_speed) % 600 - 300;

auto location = glm::vec3(radius * cos(deg * DEG_TO_RAD), radius * sin(deg * DEG_TO_RAD), z);

auto alpha = 255;

if (location.y > 0) {

alpha = ofMap(location.y, 0, 500, 255, 64);

}

ofSetColor(39, alpha);

if (prev_location != glm::vec3() && glm::distance(prev_location, location) < 300) {

ofDrawLine(prev_location, location);

}

prev_location = location;

}

this->cam.end();

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20190803

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