プログラミング de 落描き – ページ 566 – 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28日2019年8月28日

Lines on sphere. openFrameworks

[ Video ]

[ About ]
球の上の線たち。

Lines on 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);
	ofSetLineWidth(3);
	ofEnableDepthTest();
}

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

	ofSeedRandom(39);
}

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

	this->cam.begin();
	ofRotateY(ofGetFrameNum() * 0.5);

	auto radius = 300;
	auto noise_step = 0.003;
	auto len = 30;
	ofColor color;
	for (auto deg = 0; deg < 360; deg += 10) {

		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), 180, 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;

			if (i > 0) {

				ofSetColor(color, ofMap(i, 0, len, 0, 255));
				ofDrawLine(location, pre_location);
			}
			pre_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);

ofSetLineWidth(3);

ofEnableDepthTest();

}

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

void ofApp::update() {

ofSeedRandom(39);

}

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

void ofApp::draw() {

this->cam.begin();

ofRotateY(ofGetFrameNum() * 0.5);

auto radius = 300;

auto noise_step = 0.003;

auto len = 30;

ofColor color;

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

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), 180, 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;

if (i > 0) {

ofSetColor(color, ofMap(i, 0, len, 0, 255));

ofDrawLine(location, pre_location);

}

pre_location = location;

}

this->cam.end();

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20190828

[ほしいものリスト]
Amazon

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2019年8月27日2019年8月27日

Twisting circle. openFrameworks

[ Video ]

[ About ]
ねじれ円。

Twisting 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) {};

	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);
	ofEnableDepthTest();
}

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

	ofSeedRandom(36);
}

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

	this->cam.begin();

	auto len = 10;
	auto noise_seed_x = ofRandom(1000);
	auto noise_seed_y = ofRandom(1000);
	auto noise_seed_z = ofRandom(1000);
	for (auto radius = 10; radius < 150; radius += len + 2) {

		auto noise_value_x = ofNoise(noise_seed_x, radius * 0.005 + ofGetFrameNum() * 0.005);
		auto angle_x = 0.f;
		if (noise_value_x < 0.2) { angle_x = ofMap(noise_value_x, 0, 0.2, -PI, 0); }
		if (noise_value_x > 0.8) { angle_x = ofMap(noise_value_x, 0.8, 1, 0, PI); }

		auto noise_value_y = ofNoise(noise_seed_y, radius * 0.005 + ofGetFrameNum() * 0.005);
		auto angle_y = 0.f;
		if (noise_value_y < 0.2) { angle_y = ofMap(noise_value_y, 0, 0.2, -PI, 0); }
		if (noise_value_y > 0.8) { angle_y = ofMap(noise_value_y, 0.8, 1, 0, PI); }

		auto noise_value_z = ofNoise(noise_seed_z, radius * 0.005 + ofGetFrameNum() * 0.005);
		auto angle_z = 0.f;
		if (noise_value_z < 0.2) { angle_z = ofMap(noise_value_z, 0, 0.2, -PI, 0); }
		if (noise_value_z > 0.8) { angle_z = ofMap(noise_value_z, 0.8, 1, 0, PI); }

		vector<glm::vec3> out, in, line_out, line_in;
		for (auto deg = 0; deg <= 360; deg++) {
			
			auto location = glm::vec3((radius + len * 0.5) * cos(deg * DEG_TO_RAD), (radius + len * 0.5) * 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;

			out.push_back(glm::normalize(location) * (radius + len * 0.5));
			in.push_back(glm::normalize(location) * (radius - len * 0.5));
			line_out.push_back(glm::normalize(location) * (radius + len * 0.5 + 1));
			line_in.push_back(glm::normalize(location) * (radius - len * 0.5 - 1));
		}

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

		ofFill();
		ofSetColor(239);

		ofBeginShape();
		ofVertices(out);
		ofVertices(in);
		ofEndShape(true);

		ofNoFill();
		ofSetColor(39);

		ofBeginShape();
		ofVertices(line_out);
		ofEndShape(true);

		ofBeginShape();
		ofVertices(line_in);
		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() {

ofSeedRandom(36);

}

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

void ofApp::draw() {

this->cam.begin();

auto len = 10;

auto noise_seed_x = ofRandom(1000);

auto noise_seed_y = ofRandom(1000);

auto noise_seed_z = ofRandom(1000);

for (auto radius = 10; radius < 150; radius += len + 2) {

auto noise_value_x = ofNoise(noise_seed_x, radius * 0.005 + ofGetFrameNum() * 0.005);

auto angle_x = 0.f;

if (noise_value_x < 0.2) { angle_x = ofMap(noise_value_x, 0, 0.2, -PI, 0); }

if (noise_value_x > 0.8) { angle_x = ofMap(noise_value_x, 0.8, 1, 0, PI); }

auto noise_value_y = ofNoise(noise_seed_y, radius * 0.005 + ofGetFrameNum() * 0.005);

auto angle_y = 0.f;

if (noise_value_y < 0.2) { angle_y = ofMap(noise_value_y, 0, 0.2, -PI, 0); }

if (noise_value_y > 0.8) { angle_y = ofMap(noise_value_y, 0.8, 1, 0, PI); }

auto noise_value_z = ofNoise(noise_seed_z, radius * 0.005 + ofGetFrameNum() * 0.005);

auto angle_z = 0.f;

if (noise_value_z < 0.2) { angle_z = ofMap(noise_value_z, 0, 0.2, -PI, 0); }

if (noise_value_z > 0.8) { angle_z = ofMap(noise_value_z, 0.8, 1, 0, PI); }

vector<glm::vec3> out, in, line_out, line_in;

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

auto location = glm::vec3((radius + len * 0.5) * cos(deg * DEG_TO_RAD), (radius + len * 0.5) * 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;

out.push_back(glm::normalize(location) * (radius + len * 0.5));

in.push_back(glm::normalize(location) * (radius - len * 0.5));

line_out.push_back(glm::normalize(location) * (radius + len * 0.5 + 1));

line_in.push_back(glm::normalize(location) * (radius - len * 0.5 - 1));

}

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

ofFill();

ofSetColor(239);

ofBeginShape();

ofVertices(out);

ofVertices(in);

ofEndShape(true);

ofNoFill();

ofSetColor(39);

ofBeginShape();

ofVertices(line_out);

ofEndShape(true);

ofBeginShape();

ofVertices(line_in);

ofEndShape(true);

}

this->cam.end();

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20190827

[ほしいものリスト]
Amazon

[ Sponsor Link ]

2019年8月26日2019年8月26日

Noisy tunnel. openFrameworks

[ Video ]

[ About ]
正方形の帯を3割だけ描写して重ねる。

Noisy tunnel.

[ 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;

	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 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;

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

};

#include "ofApp.h"	

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

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

	ofBackground(239);
	ofSetColor(39);
	ofSetLineWidth(2);
	ofEnableDepthTest();
}

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

}

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

	this->cam.begin();

	auto len = 300;
	auto depth = 10;
	for (auto z = len * -1 ; z <= len; z += depth) {

		auto param_start = ofMap(ofNoise(z * 0.005, ofGetFrameNum() * 0.005), 0, 1, 0, 200);
		for (auto param = param_start; param < param_start + 30; param++) {

			ofBeginShape();
			ofVertex(glm::vec3(this->make_point(len, param), z + depth * 0.5));
			ofVertex(glm::vec3(this->make_point(len, param + 1), z + depth * 0.5));
			ofVertex(glm::vec3(this->make_point(len, param + 1), z + depth * -0.5));
			ofVertex(glm::vec3(this->make_point(len, param), z + depth * -0.5));
			ofEndShape(true);
		}
	}

	this->cam.end();
}

//--------------------------------------------------------------
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(239);

ofSetColor(39);

ofSetLineWidth(2);

ofEnableDepthTest();

}

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

void ofApp::update() {

}

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

void ofApp::draw() {

this->cam.begin();

auto len = 300;

auto depth = 10;

for (auto z = len * -1 ; z <= len; z += depth) {

auto param_start = ofMap(ofNoise(z * 0.005, ofGetFrameNum() * 0.005), 0, 1, 0, 200);

for (auto param = param_start; param < param_start + 30; param++) {

ofBeginShape();

ofVertex(glm::vec3(this->make_point(len, param), z + depth * 0.5));

ofVertex(glm::vec3(this->make_point(len, param + 1), z + depth * 0.5));

ofVertex(glm::vec3(this->make_point(len, param + 1), z + depth * -0.5));

ofVertex(glm::vec3(this->make_point(len, param), z + depth * -0.5));

ofEndShape(true);

}

this->cam.end();

}

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

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/Insta20190826

[ほしいものリスト]
Amazon

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