circle – ページ 80 – プログラミング de 落描き

2019年10月6日

Sun. openFrameworks

[ Video ]

[ About ]
ぐるぐる太陽。

Sun.

[ 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::vec2 make_point(int len, int param);
};

#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::vec2 make_point(int len, int param);

};

#include "ofApp.h"

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

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

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

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

}

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

	ofTranslate(ofGetWidth() * 0.5, ofGetHeight() * 0.5);
 
	int rect_len = ofGetWidth();
	int radius = 120;
	int tmp = rect_len;
	int i = 0;
	int param_start = ofGetFrameNum() * 0.2;
	vector<glm::vec2> vertices;
	for (int param = param_start; param <= param_start + 100; param += 1) {

		auto deg = ofMap(param, 0, 100, 270, 270 + 360);

		if (tmp == rect_len) {

			vertices.push_back(this->make_point(tmp, param));
		}
		else {

			vertices.push_back(glm::vec2(tmp * cos(deg * DEG_TO_RAD), tmp * sin(deg * DEG_TO_RAD)));
		}

		if (i++ % 2 == 0) {

			if (tmp == rect_len) {

				vertices.push_back(this->make_point(rect_len, param));
				vertices.push_back(glm::vec2(radius * cos(deg * DEG_TO_RAD), radius * sin(deg * DEG_TO_RAD)));

				tmp = radius;
			}
			else {

				vertices.push_back(glm::vec2(radius * cos(deg * DEG_TO_RAD), radius * sin(deg * DEG_TO_RAD)));
				vertices.push_back(this->make_point(rect_len, param));

				tmp = rect_len;
			}
		}

	}
 
	ofFill();
	ofSetColor(215, 0, 58);
	ofBeginShape();
	ofVertices(vertices);
	ofEndShape(true);
 
	ofNoFill();
	ofSetColor(39);
	ofBeginShape();
	ofVertices(vertices);
	ofEndShape(true);
}

//--------------------------------------------------------------
glm::vec2 ofApp::make_point(int len, int param) {

	param = param % 100;
	if (param < 25) {

		return glm::vec2(ofMap(param, 0, 25, -len * 0.5, len * 0.5), -len * 0.5);
	}
	else if (param < 50) {

		return glm::vec2(len * 0.5, ofMap(param, 25, 50, -len * 0.5, len * 0.5));
	}
	else if (param < 75) {

		return glm::vec2(ofMap(param, 50, 75, len * 0.5, -len * 0.5), len * 0.5);
	}
	else {

		return glm::vec2(-len * 0.5, ofMap(param, 75, 100, len * 0.5, -len * 0.5));
	}
}

//--------------------------------------------------------------
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);

ofSetColor(39);

ofSetLineWidth(3);

}

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

void ofApp::update() {

}

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

void ofApp::draw() {

ofTranslate(ofGetWidth() * 0.5, ofGetHeight() * 0.5);

int rect_len = ofGetWidth();

int radius = 120;

int tmp = rect_len;

int i = 0;

int param_start = ofGetFrameNum() * 0.2;

vector<glm::vec2> vertices;

for (int param = param_start; param <= param_start + 100; param += 1) {

auto deg = ofMap(param, 0, 100, 270, 270 + 360);

if (tmp == rect_len) {

vertices.push_back(this->make_point(tmp, param));

}

else {

vertices.push_back(glm::vec2(tmp * cos(deg * DEG_TO_RAD), tmp * sin(deg * DEG_TO_RAD)));

}

if (i++ % 2 == 0) {

if (tmp == rect_len) {

vertices.push_back(this->make_point(rect_len, param));

vertices.push_back(glm::vec2(radius * cos(deg * DEG_TO_RAD), radius * sin(deg * DEG_TO_RAD)));

tmp = radius;

}

else {

vertices.push_back(glm::vec2(radius * cos(deg * DEG_TO_RAD), radius * sin(deg * DEG_TO_RAD)));

vertices.push_back(this->make_point(rect_len, param));

tmp = rect_len;

}

ofFill();

ofSetColor(215, 0, 58);

ofBeginShape();

ofVertices(vertices);

ofEndShape(true);

ofNoFill();

ofSetColor(39);

ofBeginShape();

ofVertices(vertices);

ofEndShape(true);

}

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

glm::vec2 ofApp::make_point(int len, int param) {

param = param % 100;

if (param < 25) {

return glm::vec2(ofMap(param, 0, 25, -len * 0.5, len * 0.5), -len * 0.5);

}

else if (param < 50) {

return glm::vec2(len * 0.5, ofMap(param, 25, 50, -len * 0.5, len * 0.5));

}

else if (param < 75) {

return glm::vec2(ofMap(param, 50, 75, len * 0.5, -len * 0.5), len * 0.5);

}

else {

return glm::vec2(-len * 0.5, ofMap(param, 75, 100, len * 0.5, -len * 0.5));

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20191006

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2019年10月4日2019年10月4日

Tile ring. Draw by openFrameworks

[ Video ]

[ About ]
ky0ju さんのタイルリングを参考に、繋ぎ直すタイルリング。

Tile ring.

互いに接続して見えるタイリング【Processing】
https://note.mu/ky0ju/n/n73f379f42933

[ 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) {};

	void draw_arc(vector<glm::vec2> vertices_1, vector<glm::vec2> vertices_2, ofColor color);

	vector<ofColor> color_list;

	vector<glm::vec2> location_list;
	vector<int> color_index_list;
	vector<int> rotate_param_list;
	vector<int> deg_start_list;
	vector<int> deg_end_list;
	vector<bool> flag_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) {};

void draw_arc(vector<glm::vec2> vertices_1, vector<glm::vec2> vertices_2, ofColor color);

vector<ofColor> color_list;

vector<glm::vec2> location_list;

vector<int> color_index_list;

vector<int> rotate_param_list;

vector<int> deg_start_list;

vector<int> deg_end_list;

vector<bool> flag_list;

};

#include "ofApp.h"	

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

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

	ofBackground(0);
	ofSetLineWidth(2);

	ofColor color;
	vector<int> hex_list = { 0x247BA0, 0x70C1B3, 0xB2DBBF, 0xF3FFBD, 0xFF1654 };
	for (auto hex : hex_list) {

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

	int size = 60;
	for (int x = size * 0.5; x <= ofGetWidth() - size * 0.5; x += size) {

		for (int y = size * 0.5; y <= ofGetHeight() - size * 0.5; y += size) {

			this->location_list.push_back(glm::vec2(x, y));

			int color_index = ofRandom(this->color_list.size());
			this->color_index_list.push_back(color_index);

			int rotate_param = ofRandom(4);
			this->rotate_param_list.push_back(rotate_param);

			this->deg_start_list.push_back(0);
			this->deg_end_list.push_back(90);
			this->flag_list.push_back(false);
		}
	}
}

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

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

		if (ofGetFrameNum() % 45 == 0) {

			if (ofRandom(100) < 10) { this->flag_list[i] = true; }
		}

		if (this->flag_list[i]) {

			if (this->deg_end_list[i] < 90) {

				this->deg_end_list[i] += 2;
			}
			else {

				this->deg_start_list[i] += 2;
				if (this->deg_start_list[i] >= 90) {

					this->deg_end_list[i] = 0;
					this->deg_start_list[i] = 0;
					this->color_index_list[i] = ofRandom(this->color_list.size());
					this->rotate_param_list[i] = (this->rotate_param_list[i] + 1) % this->rotate_param_list.size();
				}
			}

			if (this->deg_start_list[i] == 0 && this->deg_end_list[i] == 90) { this->flag_list[i] = false; }
		}
	}
}

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

	int size = 60;
	int radius = size * 0.5;
	int width = 5;
	for (int i = 0; i < this->location_list.size(); i++) {

		ofPushMatrix();
		ofTranslate(this->location_list[i].x, this->location_list[i].y);
		ofRotate(90 * this->rotate_param_list[i]);

		vector<glm::vec2> vertices_1, vertices_2;
		for (int deg = this->deg_start_list[i]; deg <= this->deg_end_list[i]; deg++) {

			vertices_1.push_back(glm::vec2(size * -0.5 + (radius + width) * cos(deg * DEG_TO_RAD), size * -0.5 + (radius + width) * sin(deg * DEG_TO_RAD)));
			vertices_2.push_back(glm::vec2(size * -0.5 + (radius - width) * cos(deg * DEG_TO_RAD), size * -0.5 + (radius - width) * sin(deg * DEG_TO_RAD)));
		}

		this->draw_arc(vertices_1, vertices_2, this->color_list[this->color_index_list[i]]);

		vertices_1.clear();
		vertices_2.clear();
		for (int deg = 180 + this->deg_start_list[i]; deg <= 180 + this->deg_end_list[i]; deg++) {

			vertices_1.push_back(glm::vec2(size * 0.5 + (radius + width) * cos(deg * DEG_TO_RAD), size * 0.5 + (radius + width) * sin(deg * DEG_TO_RAD)));
			vertices_2.push_back(glm::vec2(size * 0.5 + (radius - width) * cos(deg * DEG_TO_RAD), size * 0.5 + (radius - width) * sin(deg * DEG_TO_RAD)));
		}

		this->draw_arc(vertices_1, vertices_2, this->color_list[this->color_index_list[i]]);

		ofPopMatrix();
	}
}

//--------------------------------------------------------------
void ofApp::draw_arc(vector<glm::vec2> vertices_1, vector<glm::vec2> vertices_2, ofColor color) {

	ofFill();
	ofSetColor(color);

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

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

	ofNoFill();
	ofSetColor(239);

	ofBeginShape();
	ofVertices(vertices_1);
	ofEndShape(false);

	ofBeginShape();
	ofVertices(vertices_2);
	ofEndShape(false);
}

//--------------------------------------------------------------
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);

ofSetLineWidth(2);

ofColor color;

vector<int> hex_list = { 0x247BA0, 0x70C1B3, 0xB2DBBF, 0xF3FFBD, 0xFF1654 };

for (auto hex : hex_list) {

color.setHex(hex);

this->color_list.push_back(color);

}

int size = 60;

for (int x = size * 0.5; x <= ofGetWidth() - size * 0.5; x += size) {

for (int y = size * 0.5; y <= ofGetHeight() - size * 0.5; y += size) {

this->location_list.push_back(glm::vec2(x, y));

int color_index = ofRandom(this->color_list.size());

this->color_index_list.push_back(color_index);

int rotate_param = ofRandom(4);

this->rotate_param_list.push_back(rotate_param);

this->deg_start_list.push_back(0);

this->deg_end_list.push_back(90);

this->flag_list.push_back(false);

}

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

void ofApp::update() {

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

if (ofGetFrameNum() % 45 == 0) {

if (ofRandom(100) < 10) { this->flag_list[i] = true; }

}

if (this->flag_list[i]) {

if (this->deg_end_list[i] < 90) {

this->deg_end_list[i] += 2;

}

else {

this->deg_start_list[i] += 2;

if (this->deg_start_list[i] >= 90) {

this->deg_end_list[i] = 0;

this->deg_start_list[i] = 0;

this->color_index_list[i] = ofRandom(this->color_list.size());

this->rotate_param_list[i] = (this->rotate_param_list[i] + 1) % this->rotate_param_list.size();

}

if (this->deg_start_list[i] == 0 && this->deg_end_list[i] == 90) { this->flag_list[i] = false; }

}

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

void ofApp::draw() {

int size = 60;

int radius = size * 0.5;

int width = 5;

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

ofPushMatrix();

ofTranslate(this->location_list[i].x, this->location_list[i].y);

ofRotate(90 * this->rotate_param_list[i]);

vector<glm::vec2> vertices_1, vertices_2;

for (int deg = this->deg_start_list[i]; deg <= this->deg_end_list[i]; deg++) {

vertices_1.push_back(glm::vec2(size * -0.5 + (radius + width) * cos(deg * DEG_TO_RAD), size * -0.5 + (radius + width) * sin(deg * DEG_TO_RAD)));

vertices_2.push_back(glm::vec2(size * -0.5 + (radius - width) * cos(deg * DEG_TO_RAD), size * -0.5 + (radius - width) * sin(deg * DEG_TO_RAD)));

}

this->draw_arc(vertices_1, vertices_2, this->color_list[this->color_index_list[i]]);

vertices_1.clear();

vertices_2.clear();

for (int deg = 180 + this->deg_start_list[i]; deg <= 180 + this->deg_end_list[i]; deg++) {

vertices_1.push_back(glm::vec2(size * 0.5 + (radius + width) * cos(deg * DEG_TO_RAD), size * 0.5 + (radius + width) * sin(deg * DEG_TO_RAD)));

vertices_2.push_back(glm::vec2(size * 0.5 + (radius - width) * cos(deg * DEG_TO_RAD), size * 0.5 + (radius - width) * sin(deg * DEG_TO_RAD)));

}

this->draw_arc(vertices_1, vertices_2, this->color_list[this->color_index_list[i]]);

ofPopMatrix();

}

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

void ofApp::draw_arc(vector<glm::vec2> vertices_1, vector<glm::vec2> vertices_2, ofColor color) {

ofFill();

ofSetColor(color);

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

ofBeginShape();

ofVertices(vertices_1);

ofVertices(vertices_2);

ofEndShape(true);

ofNoFill();

ofSetColor(239);

ofBeginShape();

ofVertices(vertices_1);

ofEndShape(false);

ofBeginShape();

ofVertices(vertices_2);

ofEndShape(false);

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
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2019年9月20日2019年9月19日

Separated tube. openFrameworks

[ Video ]

[ About ]
バラバラチューブ。

Separated tube.

[ 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(2);
	ofEnableDepthTest();
}

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

	ofSeedRandom(39);
}

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

	this->cam.begin();

	int radius = 150;
	int height = 30;
	int deg_span = 30;
	for (int z = -radius; z <= radius; z += height) {

		ofPushMatrix();
		ofTranslate(glm::vec3(0, 0, z));

		for (int deg = 0; deg < 360; deg += deg_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), radius * sin(tmp_deg * DEG_TO_RAD), -height * 0.5));
				vertices_2.push_back(glm::vec3(radius * cos(tmp_deg * DEG_TO_RAD), radius * sin(tmp_deg * DEG_TO_RAD), height * 0.5));
			}
			reverse(vertices_2.begin(), vertices_2.end());

			auto noise_value = ofNoise(ofRandom(1000), ofGetFrameNum() * 0.005);
			auto tmp_radius = noise_value < 0.75 ? 0 : ofMap(noise_value, 0.75, 1, 0, 100);
			auto location = glm::vec3(tmp_radius * cos((deg + deg_span * 0.5) * DEG_TO_RAD), tmp_radius * sin((deg + deg_span * 0.5) * DEG_TO_RAD), 0);

			ofPushMatrix();
			ofTranslate(location);

			ofFill();
			ofSetColor(239);
			ofBeginShape();
			ofVertices(vertices_1);
			ofVertices(vertices_2);
			ofEndShape(true);

			ofNoFill();
			ofSetColor(39);
			ofBeginShape();
			ofVertices(vertices_1);
			ofVertices(vertices_2);
			ofEndShape(true);

			ofPopMatrix();
		}

		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);

ofSetLineWidth(2);

ofEnableDepthTest();

}

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

void ofApp::update() {

ofSeedRandom(39);

}

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

void ofApp::draw() {

this->cam.begin();

int radius = 150;

int height = 30;

int deg_span = 30;

for (int z = -radius; z <= radius; z += height) {

ofPushMatrix();

ofTranslate(glm::vec3(0, 0, z));

for (int deg = 0; deg < 360; deg += deg_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), radius * sin(tmp_deg * DEG_TO_RAD), -height * 0.5));

vertices_2.push_back(glm::vec3(radius * cos(tmp_deg * DEG_TO_RAD), radius * sin(tmp_deg * DEG_TO_RAD), height * 0.5));

}

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

auto noise_value = ofNoise(ofRandom(1000), ofGetFrameNum() * 0.005);

auto tmp_radius = noise_value < 0.75 ? 0 : ofMap(noise_value, 0.75, 1, 0, 100);

auto location = glm::vec3(tmp_radius * cos((deg + deg_span * 0.5) * DEG_TO_RAD), tmp_radius * sin((deg + deg_span * 0.5) * DEG_TO_RAD), 0);

ofPushMatrix();

ofTranslate(location);

ofFill();

ofSetColor(239);

ofBeginShape();

ofVertices(vertices_1);

ofVertices(vertices_2);

ofEndShape(true);

ofNoFill();

ofSetColor(39);

ofBeginShape();

ofVertices(vertices_1);

ofVertices(vertices_2);

ofEndShape(true);

ofPopMatrix();

}

ofPopMatrix();

}

this->cam.end();

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

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