2019年4月 – ページ 10 – プログラミング de 落描き

2019年4月3日2019年4月3日

Ring on the sphere. openFrameworks

[ Video ]

[ About ]
球体上の輪

Ring 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 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);
	ofEnableDepthTest();
}

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

}

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

	this->cam.begin();
	ofRotateX(270);
	
	int radius = 300;

	for (int i = 0; i < 10; i++) {
	
		int theta = (ofGetFrameNum() + i * 18) % 180;
		vector<glm::vec3> vertices;
		vector<glm::vec3> sub_vertices;
		for (int deg = 0; deg <= 360; deg += 3) {

			auto location = glm::vec3(radius * cos(deg * DEG_TO_RAD) * sin(theta * DEG_TO_RAD),
				radius * sin(deg * DEG_TO_RAD) * sin(theta * DEG_TO_RAD),
				radius * cos(theta * DEG_TO_RAD));
			vertices.push_back(location);

			if (theta + 5 < 180) {

				auto sub_location = glm::vec3(radius * cos(deg * DEG_TO_RAD) * sin((theta + 5) *DEG_TO_RAD),
					radius * sin(deg * DEG_TO_RAD) * sin((theta + 5) * DEG_TO_RAD),
					radius * cos((theta + 5) * DEG_TO_RAD));
				sub_vertices.push_back(sub_location);
			}
		}

		

		ofBeginShape();
		ofVertices(vertices);
		if (sub_vertices.size() > 0) {

			std::reverse(sub_vertices.begin(), sub_vertices.end());
			ofVertices(sub_vertices);
		}
		ofEndShape();
	}

	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);

ofEnableDepthTest();

}

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

void ofApp::update() {

}

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

void ofApp::draw() {

this->cam.begin();

ofRotateX(270);

int radius = 300;

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

int theta = (ofGetFrameNum() + i * 18) % 180;

vector<glm::vec3> vertices;

vector<glm::vec3> sub_vertices;

for (int deg = 0; deg <= 360; deg += 3) {

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

radius * sin(deg * DEG_TO_RAD) * sin(theta * DEG_TO_RAD),

radius * cos(theta * DEG_TO_RAD));

vertices.push_back(location);

if (theta + 5 < 180) {

auto sub_location = glm::vec3(radius * cos(deg * DEG_TO_RAD) * sin((theta + 5) *DEG_TO_RAD),

radius * sin(deg * DEG_TO_RAD) * sin((theta + 5) * DEG_TO_RAD),

radius * cos((theta + 5) * DEG_TO_RAD));

sub_vertices.push_back(sub_location);

}

ofBeginShape();

ofVertices(vertices);

if (sub_vertices.size() > 0) {

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

ofVertices(sub_vertices);

}

ofEndShape();

}

this->cam.end();

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20190403

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2019年4月2日2019年4月2日

Draw line from circle point to circle point. openFrameworks

[ Video ]

[ About ]
大きい円と小さい円の点同士で線を引き、小さい円を回転させる

Draw line from circle point to circle point.

[ 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) {};
};

#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) {};

};

#include "ofApp.h"

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

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

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

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

}

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

	int span = 144;
	for (int x = span * 0.5; x <= ofGetWidth() - span * 0.5; x += span) {

		for (int y = span * 0.5; y <= ofGetWidth() - span * 0.5; y += span) {

			ofPushMatrix();
			ofTranslate(x, y);

			int big_radius = 60;
			int small_radius = 40;
			int deg_gap = ofMap(ofNoise(x * 0.005, y * 0.005, ofGetFrameNum() * 0.005), 0, 1, 0, 360);
			for (int deg = 0; deg < 360; deg += 10) {

				auto big_location = glm::vec2(big_radius * cos(deg * DEG_TO_RAD), big_radius * sin(deg * DEG_TO_RAD));
				auto small_location = glm::vec2(small_radius * cos((deg + deg_gap) * DEG_TO_RAD), small_radius * sin((deg + deg_gap) * DEG_TO_RAD));

				ofDrawCircle(big_location, 2);
				ofDrawCircle(small_location, 2);

				ofDrawLine(big_location, small_location);
			}

			ofPopMatrix();
		}
	}
}

//--------------------------------------------------------------
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(1.5);

}

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

void ofApp::update() {

}

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

void ofApp::draw() {

int span = 144;

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

for (int y = span * 0.5; y <= ofGetWidth() - span * 0.5; y += span) {

ofPushMatrix();

ofTranslate(x, y);

int big_radius = 60;

int small_radius = 40;

int deg_gap = ofMap(ofNoise(x * 0.005, y * 0.005, ofGetFrameNum() * 0.005), 0, 1, 0, 360);

for (int deg = 0; deg < 360; deg += 10) {

auto big_location = glm::vec2(big_radius * cos(deg * DEG_TO_RAD), big_radius * sin(deg * DEG_TO_RAD));

auto small_location = glm::vec2(small_radius * cos((deg + deg_gap) * DEG_TO_RAD), small_radius * sin((deg + deg_gap) * DEG_TO_RAD));

ofDrawCircle(big_location, 2);

ofDrawCircle(small_location, 2);

ofDrawLine(big_location, small_location);

}

ofPopMatrix();

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20190402

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2019年4月1日2019年4月1日

Random walk from circle to circle. openFrameworks

[ Video ]

[ About ]
移り変わっていく感UPさせました

Random walk from circle to circle.

[ 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) {};

	int frame_span;
	int size;
	vector<glm::vec2> locations;

	vector<int> current_indexes;
	vector<int> next_indexes;
};

#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) {};

int frame_span;

int size;

vector<glm::vec2> locations;

vector<int> current_indexes;

vector<int> next_indexes;

};

#include "ofApp.h"

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

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

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

	this->frame_span = 30;
	this->size = 15;
	while (this->locations.size() < 150) {

		auto location = glm::vec2(ofRandom(ofGetWidth()), ofRandom(ofGetHeight()));
		bool flag = true;
		for (int i = 0; i < this->locations.size(); i++) {

			if (glm::distance(location, this->locations[i]) < this->size * 3) {

				flag = false;
				break;
			}
		}

		if (flag) {

			this->locations.push_back(location);
		}
	}

	for (int i = 0; i < 30; i++) {
	
		this->current_indexes.push_back(0);
		this->next_indexes.push_back(ofRandom(this->locations.size()));
	}
}

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

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

		if (ofGetFrameNum() % (this->frame_span * 2) == 0) {

			int next_index = this->next_indexes[i];
			int current_index = next_index;

			vector<int> near_indexes;
			for (int location_index = 0; location_index < this->locations.size(); location_index++) {

				if (current_index == location_index) { continue; }
				if (glm::distance(this->locations[current_index], this->locations[location_index]) < this->size * 8) {

					near_indexes.push_back(location_index);
				}
			}

			if (near_indexes.size() > 0) {

				next_index = near_indexes[ofRandom(near_indexes.size())];
			}

			this->current_indexes[i] = current_index;
			this->next_indexes[i] = next_index;
		}
	}
}

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

	int frame_param = ofGetFrameNum() % this->frame_span;

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

		int current_index = this->current_indexes[i];
		int next_index = this->next_indexes[i];

		auto angle_current = std::atan2(this->locations[next_index].y - this->locations[current_index].y, this->locations[next_index].x - this->locations[current_index].x);
		auto satellite_point_current = this->locations[current_index] + glm::vec2(this->size * cos(angle_current), this->size * sin(angle_current));
		auto angle_next = std::atan2(this->locations[current_index].y - this->locations[next_index].y, this->locations[current_index].x - this->locations[next_index].x);
		auto satellite_point_next = this->locations[next_index] + glm::vec2(this->size * cos(angle_next), this->size * sin(angle_next));

		if (ofGetFrameNum() % (this->frame_span * 2) < this->frame_span) {

			ofDrawLine(satellite_point_current, satellite_point_next);
			for (int location_index = 0; location_index < this->locations.size(); location_index++) {

				ofDrawCircle(this->locations[location_index], this->size);

				if (current_index == location_index) {

					int deg_param = ofMap(frame_param, 0, this->frame_span, 180, 0);
					float start_deg = angle_current * RAD_TO_DEG;

					ofFill();
					ofBeginShape();
					for (int deg = start_deg; deg <= start_deg + deg_param; deg++) {

						ofVertex(this->locations[location_index] + glm::vec2(this->size * cos(deg * DEG_TO_RAD), this->size * sin(deg * DEG_TO_RAD)));
					}
					for (int deg = start_deg - deg_param; deg <= start_deg; deg++) {

						ofVertex(this->locations[location_index] + glm::vec2(this->size * cos(deg * DEG_TO_RAD), this->size * sin(deg * DEG_TO_RAD)));
					}

					ofEndShape();
					ofNoFill();
				}

				if (next_index == location_index) {

					int deg_param = ofMap(frame_param, 0, this->frame_span, 0, 180);
					float start_deg = angle_next * RAD_TO_DEG;

					ofFill();
					ofBeginShape();
					for (int deg = start_deg; deg <= start_deg + deg_param; deg++) {

						ofVertex(this->locations[location_index] + glm::vec2(this->size * cos(deg * DEG_TO_RAD), this->size * sin(deg * DEG_TO_RAD)));
					}
					for (int deg = start_deg - deg_param; deg <= start_deg; deg++) {

						ofVertex(this->locations[location_index] + glm::vec2(this->size * cos(deg * DEG_TO_RAD), this->size * sin(deg * DEG_TO_RAD)));
					}

					ofEndShape();
					ofNoFill();
				}
			}
		}
		else {

			auto distance = glm::distance(satellite_point_next, satellite_point_current);
			distance = ofMap(frame_param, this->frame_span, this->frame_span * 2, 0, distance);
			auto direction = satellite_point_next - satellite_point_current;
			ofDrawLine(satellite_point_next, satellite_point_next + glm::normalize(direction) * distance);

			for (int location_index = 0; location_index < this->locations.size(); location_index++) {

				ofDrawCircle(this->locations[location_index], this->size);
			}

			ofFill();
			ofDrawCircle(this->locations[next_index], this->size);
			ofNoFill();
		}
	}
}

//--------------------------------------------------------------
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(1.5);

ofNoFill();

this->frame_span = 30;

this->size = 15;

while (this->locations.size() < 150) {

auto location = glm::vec2(ofRandom(ofGetWidth()), ofRandom(ofGetHeight()));

bool flag = true;

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

if (glm::distance(location, this->locations[i]) < this->size * 3) {

flag = false;

break;

}

if (flag) {

this->locations.push_back(location);

}

for (int i = 0; i < 30; i++) {

this->current_indexes.push_back(0);

this->next_indexes.push_back(ofRandom(this->locations.size()));

}

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

void ofApp::update() {

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

if (ofGetFrameNum() % (this->frame_span * 2) == 0) {

int next_index = this->next_indexes[i];

int current_index = next_index;

vector<int> near_indexes;

for (int location_index = 0; location_index < this->locations.size(); location_index++) {

if (current_index == location_index) { continue; }

if (glm::distance(this->locations[current_index], this->locations[location_index]) < this->size * 8) {

near_indexes.push_back(location_index);

}

if (near_indexes.size() > 0) {

next_index = near_indexes[ofRandom(near_indexes.size())];

}

this->current_indexes[i] = current_index;

this->next_indexes[i] = next_index;

}

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

void ofApp::draw() {

int frame_param = ofGetFrameNum() % this->frame_span;

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

int current_index = this->current_indexes[i];

int next_index = this->next_indexes[i];

auto angle_current = std::atan2(this->locations[next_index].y - this->locations[current_index].y, this->locations[next_index].x - this->locations[current_index].x);

auto satellite_point_current = this->locations[current_index] + glm::vec2(this->size * cos(angle_current), this->size * sin(angle_current));

auto angle_next = std::atan2(this->locations[current_index].y - this->locations[next_index].y, this->locations[current_index].x - this->locations[next_index].x);

auto satellite_point_next = this->locations[next_index] + glm::vec2(this->size * cos(angle_next), this->size * sin(angle_next));

if (ofGetFrameNum() % (this->frame_span * 2) < this->frame_span) {

ofDrawLine(satellite_point_current, satellite_point_next);

for (int location_index = 0; location_index < this->locations.size(); location_index++) {

ofDrawCircle(this->locations[location_index], this->size);

if (current_index == location_index) {

int deg_param = ofMap(frame_param, 0, this->frame_span, 180, 0);

float start_deg = angle_current * RAD_TO_DEG;

ofFill();

ofBeginShape();

for (int deg = start_deg; deg <= start_deg + deg_param; deg++) {

ofVertex(this->locations[location_index] + glm::vec2(this->size * cos(deg * DEG_TO_RAD), this->size * sin(deg * DEG_TO_RAD)));

}

for (int deg = start_deg - deg_param; deg <= start_deg; deg++) {

ofVertex(this->locations[location_index] + glm::vec2(this->size * cos(deg * DEG_TO_RAD), this->size * sin(deg * DEG_TO_RAD)));

}

ofEndShape();

ofNoFill();

}

if (next_index == location_index) {

int deg_param = ofMap(frame_param, 0, this->frame_span, 0, 180);

float start_deg = angle_next * RAD_TO_DEG;

ofFill();

ofBeginShape();

for (int deg = start_deg; deg <= start_deg + deg_param; deg++) {

ofVertex(this->locations[location_index] + glm::vec2(this->size * cos(deg * DEG_TO_RAD), this->size * sin(deg * DEG_TO_RAD)));

}

for (int deg = start_deg - deg_param; deg <= start_deg; deg++) {

ofVertex(this->locations[location_index] + glm::vec2(this->size * cos(deg * DEG_TO_RAD), this->size * sin(deg * DEG_TO_RAD)));

}

ofEndShape();

ofNoFill();

}

else {

auto distance = glm::distance(satellite_point_next, satellite_point_current);

distance = ofMap(frame_param, this->frame_span, this->frame_span * 2, 0, distance);

auto direction = satellite_point_next - satellite_point_current;

ofDrawLine(satellite_point_next, satellite_point_next + glm::normalize(direction) * distance);

for (int location_index = 0; location_index < this->locations.size(); location_index++) {

ofDrawCircle(this->locations[location_index], this->size);

}

ofFill();

ofDrawCircle(this->locations[next_index], this->size);

ofNoFill();

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20190401

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2019年4月
月	火	水	木	金	土	日
1	2	3	4	5	6	7
8	9	10	11	12	13	14
15	16	17	18	19	20	21
22	23	24	25	26	27	28
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