2019年8月 – プログラミング de 落描き

2019年8月31日

Generate rect. openFrameworks

[ Video ]

[ About ]
四角生成

Generate rect.

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

	float start_param;
	ofColor color;
};

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

float start_param;

ofColor color;

};

#include "ofApp.h"	

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

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

	ofBackground(39);
	ofSetLineWidth(5);

	this->start_param = ofRandom(100, 200);
}


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

	if (ofGetFrameNum() % 100 == 0) {

		this->start_param += ofRandom(25, 50);
		this->color.setHsb(this->color.getHue() + ofRandom(10, 30), 255, 255);
	}
}

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

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

	auto len = 500;
	auto width = ofGetFrameNum() % 100;
	vector<glm::vec2> vertices;

	for (auto param = this->start_param - width * 0.5; param <= this->start_param + width * 0.5; param++) {

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

	ofFill();
	ofSetColor(this->color, 64);
	ofBeginShape();
	ofVertices(vertices);
	ofEndShape(true);

	ofNoFill();
	ofSetColor(this->color);
	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());
}

#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(60);

ofSetWindowTitle("openFrameworks");

ofBackground(39);

ofSetLineWidth(5);

this->start_param = ofRandom(100, 200);

}

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

void ofApp::update() {

if (ofGetFrameNum() % 100 == 0) {

this->start_param += ofRandom(25, 50);

this->color.setHsb(this->color.getHue() + ofRandom(10, 30), 255, 255);

}

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

void ofApp::draw() {

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

auto len = 500;

auto width = ofGetFrameNum() % 100;

vector<glm::vec2> vertices;

for (auto param = this->start_param - width * 0.5; param <= this->start_param + width * 0.5; param++) {

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

}

ofFill();

ofSetColor(this->color, 64);

ofBeginShape();

ofVertices(vertices);

ofEndShape(true);

ofNoFill();

ofSetColor(this->color);

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/openframeworks20190831

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2019年8月30日2019年8月30日

Rotate the string. openFrameworks

[ Video ]

[ About ]
円周を球上の座標で回転させる。

Rotate the string.

[ 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);
	ofSetColor(39);
	ofSetLineWidth(3);
	ofEnableDepthTest();
}

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

}

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

	this->cam.begin();
	ofFill();

	auto radius = 300;
	auto noise_step = 0.001;
	vector<glm::vec3> vertices;
	for (auto deg = 0; deg < 360; deg += 1) {

		auto noise_location = glm::vec3(radius * cos(deg * DEG_TO_RAD), radius * sin(deg * DEG_TO_RAD), 0);
		auto noise_seed_x = noise_location.x * 0.001;
		auto noise_seed_y = noise_location.y * 0.001;
		auto noise_seed_z = noise_location.z;

		auto angle_x = ofMap(ofNoise(noise_seed_x, ofGetFrameNum() * noise_step), 0, 1, -PI * 2, PI * 2);
		auto angle_y = ofMap(ofNoise(noise_seed_y, ofGetFrameNum() * noise_step), 0, 1, -PI * 2, PI * 2);
		auto angle_z = ofMap(ofNoise(noise_seed_z, ofGetFrameNum() * noise_step), 0, 1, -PI * 2, PI * 2);

		auto location = glm::vec3(radius * cos(deg * DEG_TO_RAD), radius * sin(deg * DEG_TO_RAD), 0);
		auto rotation_x = glm::rotate(glm::mat4(), angle_x, glm::vec3(1, 0, 0));
		auto rotation_y = glm::rotate(glm::mat4(), angle_y, glm::vec3(0, 1, 0));
		auto rotation_z = glm::rotate(glm::mat4(), angle_z, glm::vec3(0, 0, 1));
		location = glm::vec4(location, 0) * rotation_z * rotation_y * rotation_x;

		ofDrawSphere(location, 3);
		vertices.push_back(location);
	}

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

	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);

ofEnableDepthTest();

}

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

void ofApp::update() {

}

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

void ofApp::draw() {

this->cam.begin();

ofFill();

auto radius = 300;

auto noise_step = 0.001;

vector<glm::vec3> vertices;

for (auto deg = 0; deg < 360; deg += 1) {

auto noise_location = glm::vec3(radius * cos(deg * DEG_TO_RAD), radius * sin(deg * DEG_TO_RAD), 0);

auto noise_seed_x = noise_location.x * 0.001;

auto noise_seed_y = noise_location.y * 0.001;

auto noise_seed_z = noise_location.z;

auto angle_x = ofMap(ofNoise(noise_seed_x, ofGetFrameNum() * noise_step), 0, 1, -PI * 2, PI * 2);

auto angle_y = ofMap(ofNoise(noise_seed_y, ofGetFrameNum() * noise_step), 0, 1, -PI * 2, PI * 2);

auto angle_z = ofMap(ofNoise(noise_seed_z, ofGetFrameNum() * noise_step), 0, 1, -PI * 2, PI * 2);

auto location = glm::vec3(radius * cos(deg * DEG_TO_RAD), radius * sin(deg * DEG_TO_RAD), 0);

auto rotation_x = glm::rotate(glm::mat4(), angle_x, glm::vec3(1, 0, 0));

auto rotation_y = glm::rotate(glm::mat4(), angle_y, glm::vec3(0, 1, 0));

auto rotation_z = glm::rotate(glm::mat4(), angle_z, glm::vec3(0, 0, 1));

location = glm::vec4(location, 0) * rotation_z * rotation_y * rotation_x;

ofDrawSphere(location, 3);

vertices.push_back(location);

}

ofNoFill();

ofBeginShape();

ofVertices(vertices);

ofEndShape(true);

this->cam.end();

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20190830

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Amazon

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2019年8月29日2019年8月29日

Lines on moving sphere. openFrameworks

[ Video ]

[ About ]
動く球の上の線たち。

Lines on moving 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(0);
	ofSetLineWidth(2);
	ofEnableDepthTest();
}

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

	ofSeedRandom(39);
}

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

	this->cam.begin();

	auto base_noise_seed_x = ofRandom(1000);
	auto base_noise_seed_y = ofRandom(1000);
	glm::vec3 base;

	auto radius = 150;
	auto noise_step = 0.003;
	auto len = 15;
	ofColor color;
	for (auto deg = 0; deg < 360; deg += 5) {

		auto noise_seed_x = ofRandom(1000);
		auto noise_seed_y = ofRandom(1000);
		auto noise_seed_z = ofRandom(1000);
		color.setHsb(ofMap(deg, 0, 360, 0, 255), 255, 255);

		glm::vec3 pre_location;
		for (int i = 0; i < len; i++) {

			auto angle_x = ofMap(ofNoise(noise_seed_x, (ofGetFrameNum() + i) * noise_step), 0, 1, -PI * 2, PI * 2);
			auto angle_y = ofMap(ofNoise(noise_seed_y, (ofGetFrameNum() + i) * noise_step), 0, 1, -PI * 2, PI * 2);
			auto angle_z = ofMap(ofNoise(noise_seed_z, (ofGetFrameNum() + i) * noise_step), 0, 1, -PI * 2, PI * 2);

			auto location = glm::vec3(radius * cos(deg * DEG_TO_RAD), radius * sin(deg * DEG_TO_RAD), 0);
			auto rotation_x = glm::rotate(glm::mat4(), angle_x, glm::vec3(1, 0, 0));
			auto rotation_y = glm::rotate(glm::mat4(), angle_y, glm::vec3(0, 1, 0));
			auto rotation_z = glm::rotate(glm::mat4(), angle_z, glm::vec3(0, 0, 1));
			location = glm::vec4(location, 0) * rotation_z * rotation_y * rotation_x;

			base = glm::vec3(ofMap(ofNoise(base_noise_seed_x, (ofGetFrameNum() + i) * 0.005), 0, 1, -250, 250),
				ofMap(ofNoise(base_noise_seed_y, (ofGetFrameNum() + i) * 0.005), 0, 1, -250, 250), 0);

			location += base;

			if (i > 0) {

				ofSetColor(color);
				ofDrawLine(location, pre_location);
			}
			pre_location = location;
		}

	}

	ofSetColor(0);
	ofDrawCircle(base, 130);

	this->cam.end();
}

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

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

#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(60);

ofSetWindowTitle("openFrameworks");

ofBackground(0);

ofSetLineWidth(2);

ofEnableDepthTest();

}

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

void ofApp::update() {

ofSeedRandom(39);

}

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

void ofApp::draw() {

this->cam.begin();

auto base_noise_seed_x = ofRandom(1000);

auto base_noise_seed_y = ofRandom(1000);

glm::vec3 base;

auto radius = 150;

auto noise_step = 0.003;

auto len = 15;

ofColor color;

for (auto deg = 0; deg < 360; deg += 5) {

auto noise_seed_x = ofRandom(1000);

auto noise_seed_y = ofRandom(1000);

auto noise_seed_z = ofRandom(1000);

color.setHsb(ofMap(deg, 0, 360, 0, 255), 255, 255);

glm::vec3 pre_location;

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

auto angle_x = ofMap(ofNoise(noise_seed_x, (ofGetFrameNum() + i) * noise_step), 0, 1, -PI * 2, PI * 2);

auto angle_y = ofMap(ofNoise(noise_seed_y, (ofGetFrameNum() + i) * noise_step), 0, 1, -PI * 2, PI * 2);

auto angle_z = ofMap(ofNoise(noise_seed_z, (ofGetFrameNum() + i) * noise_step), 0, 1, -PI * 2, PI * 2);

auto location = glm::vec3(radius * cos(deg * DEG_TO_RAD), radius * sin(deg * DEG_TO_RAD), 0);

auto rotation_x = glm::rotate(glm::mat4(), angle_x, glm::vec3(1, 0, 0));

auto rotation_y = glm::rotate(glm::mat4(), angle_y, glm::vec3(0, 1, 0));

auto rotation_z = glm::rotate(glm::mat4(), angle_z, glm::vec3(0, 0, 1));

location = glm::vec4(location, 0) * rotation_z * rotation_y * rotation_x;

base = glm::vec3(ofMap(ofNoise(base_noise_seed_x, (ofGetFrameNum() + i) * 0.005), 0, 1, -250, 250),

ofMap(ofNoise(base_noise_seed_y, (ofGetFrameNum() + i) * 0.005), 0, 1, -250, 250), 0);

location += base;

if (i > 0) {

ofSetColor(color);

ofDrawLine(location, pre_location);

}

pre_location = location;

}

ofSetColor(0);

ofDrawCircle(base, 130);

this->cam.end();

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20190829

[ほしいものリスト]
Amazon

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