プログラミング de 落描き – ページ 744 – 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1月20日

Crawling bands on the square. openFrameworks

[ Video ]

[ About ]
正方形を這い回る帯

Crawling bands on the square.

[ 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);

	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) {};

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

ofEasyCam cam;

};

#include "ofApp.h"

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

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

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

	ofNoFill();
}

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

	ofSeedRandom(39);
}

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

	this->cam.begin();

	int len = 500;
	for (int i = 0; i < 2; i++) {

		for (int z = -len * 0.5; z <= len * 0.5; z += 30) {

			int param_start = ofGetFrameNum() + (z + len * 0.5) * 0.1;
			vector<glm::vec3> vertices;
			vector<glm::vec3> sub_vertices;
			for (int param = param_start; param <= param_start + 30; param++) {

				vertices.push_back(glm::vec3(this->make_point(len, param), z - 15));
				sub_vertices.push_back(glm::vec3(this->make_point(len, param), z + 15));
			}

			for (int i = sub_vertices.size() - 1; i > -1; i--) {

				vertices.push_back(sub_vertices[i]);
			}

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

		ofRotateX(90);
	}

	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(39);

ofSetColor(239);

ofSetLineWidth(3);

ofEnableDepthTest();

ofNoFill();

}

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

void ofApp::update() {

ofSeedRandom(39);

}

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

void ofApp::draw() {

this->cam.begin();

int len = 500;

for (int i = 0; i < 2; i++) {

for (int z = -len * 0.5; z <= len * 0.5; z += 30) {

int param_start = ofGetFrameNum() + (z + len * 0.5) * 0.1;

vector<glm::vec3> vertices;

vector<glm::vec3> sub_vertices;

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

vertices.push_back(glm::vec3(this->make_point(len, param), z - 15));

sub_vertices.push_back(glm::vec3(this->make_point(len, param), z + 15));

}

for (int i = sub_vertices.size() - 1; i > -1; i--) {

vertices.push_back(sub_vertices[i]);

}

ofBeginShape();

ofVertices(vertices);

ofEndShape(true);

}

ofRotateX(90);

}

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/Insta20190120

2019年1月19日2019年1月20日

Circle plus noisy circles. openFrameworks

[ Video ]

[ About ]
円にノイズの円をミルフィーユ

Circle plus noisy circles.

[ 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) {};
};

#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) {};

};

#include "ofApp.h"

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

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

	ofBackground(239);
	ofSetColor(39);
	ofNoFill();
}

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

}

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

	float radius = 35;
	float span = 120;
	for (int x = span * 0.5; x < ofGetWidth(); x += span) {

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

			for (int i = 0; i < 5; i++) {

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

					glm::vec2 base = glm::vec2(x, y) + glm::vec2(radius * cos(deg * DEG_TO_RAD), radius * sin(deg * DEG_TO_RAD));
					float noise_value = ofNoise(base.x * 0.03, base.y * 0.03, ofGetFrameNum() * 0.01);
					float tmp_radius = radius + ofMap(noise_value, 0, 1, 0, 30) * i * 0.2;
				
					ofVertex(glm::vec2(x, y) + glm::vec2(tmp_radius * cos(deg * DEG_TO_RAD), tmp_radius * sin(deg * DEG_TO_RAD)));
				}
				ofEndShape(true);
			}
		}
	}
}
//--------------------------------------------------------------
int main() {

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

#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(60);

ofSetWindowTitle("openFrameworks");

ofBackground(239);

ofSetColor(39);

ofNoFill();

}

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

void ofApp::update() {

}

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

void ofApp::draw() {

float radius = 35;

float span = 120;

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

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

for (int i = 0; i < 5; i++) {

ofBeginShape();

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

glm::vec2 base = glm::vec2(x, y) + glm::vec2(radius * cos(deg * DEG_TO_RAD), radius * sin(deg * DEG_TO_RAD));

float noise_value = ofNoise(base.x * 0.03, base.y * 0.03, ofGetFrameNum() * 0.01);

float tmp_radius = radius + ofMap(noise_value, 0, 1, 0, 30) * i * 0.2;

ofVertex(glm::vec2(x, y) + glm::vec2(tmp_radius * cos(deg * DEG_TO_RAD), tmp_radius * sin(deg * DEG_TO_RAD)));

}

ofEndShape(true);

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20190119

2019年1月18日2019年1月18日

Music Band. openFrameworks

[ Video ]

[ About ]
音と連動して帯が変化。え ͤみ ͫ ͤー ͤん ͛(@emeen231)さんの投稿からインスパイア

[Sound] Band changes with music.

[ 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;
	ofSoundPlayer sound;

	vector<float> fft_smoothed;
	int n_bands_to_get;

	glm::vec3 make_point(float radius, float small_radius, float deg, float small_deg);
};

#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;

ofSoundPlayer sound;

vector<float> fft_smoothed;

int n_bands_to_get;

glm::vec3 make_point(float radius, float small_radius, float deg, float small_deg);

};

#include "ofApp.h"

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

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

	ofBackground(239);
	ofSetColor(39);
	ofEnableDepthTest();
	ofNoFill();
	ofSetLineWidth(2.5);

	this->sound.load("Cold_Killa_Sting.mp3");
	this->sound.play();

	this->n_bands_to_get = 60;
	for (int j = 0; j < this->n_bands_to_get; j++) {
	
		this->fft_smoothed.push_back(0);
	}
}

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

	ofSoundUpdate();
	float* val = ofSoundGetSpectrum(this->n_bands_to_get);
	for (int i = 0; i < this->n_bands_to_get; i++) {

		this->fft_smoothed[i] *= 0.98f;
		if (this->fft_smoothed[i] < val[i]) {

			this->fft_smoothed[i] = val[i];
		}
	}
}

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

	this->cam.begin();

	int radius = 300;
	int deg_span = 10;
	int sound_index = 0;
	for (int deg_start = 0; deg_start < 360; deg_start += deg_span) {

		int deg = deg_start;
		vector<glm::vec3> vertices;
		vector<glm::vec3> sub_vertices;
		int max_height = this->fft_smoothed[sound_index++] * 150 * (sound_index + 1);
		for (int height = 0; height < max_height; height += 10) {

			vertices.push_back(glm::vec3(radius * cos(deg * DEG_TO_RAD), height, radius * sin(deg * DEG_TO_RAD)));
			sub_vertices.push_back(glm::vec3(radius * cos((deg + deg_span) * DEG_TO_RAD), height, radius * sin((deg + deg_span) * DEG_TO_RAD)));
			deg += 5;
		}

		for (int i = sub_vertices.size() - 1; i > -1; i--) {

			vertices.push_back(sub_vertices[i]);
		}

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

	this->cam.end();

	if (!this->sound.getIsPlaying()) { this->sound.play(); }
}
//--------------------------------------------------------------
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();

ofNoFill();

ofSetLineWidth(2.5);

this->sound.load("Cold_Killa_Sting.mp3");

this->sound.play();

this->n_bands_to_get = 60;

for (int j = 0; j < this->n_bands_to_get; j++) {

this->fft_smoothed.push_back(0);

}

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

void ofApp::update() {

ofSoundUpdate();

float* val = ofSoundGetSpectrum(this->n_bands_to_get);

for (int i = 0; i < this->n_bands_to_get; i++) {

this->fft_smoothed[i] *= 0.98f;

if (this->fft_smoothed[i] < val[i]) {

this->fft_smoothed[i] = val[i];

}

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

void ofApp::draw() {

this->cam.begin();

int radius = 300;

int deg_span = 10;

int sound_index = 0;

for (int deg_start = 0; deg_start < 360; deg_start += deg_span) {

int deg = deg_start;

vector<glm::vec3> vertices;

vector<glm::vec3> sub_vertices;

int max_height = this->fft_smoothed[sound_index++] * 150 * (sound_index + 1);

for (int height = 0; height < max_height; height += 10) {

vertices.push_back(glm::vec3(radius * cos(deg * DEG_TO_RAD), height, radius * sin(deg * DEG_TO_RAD)));

sub_vertices.push_back(glm::vec3(radius * cos((deg + deg_span) * DEG_TO_RAD), height, radius * sin((deg + deg_span) * DEG_TO_RAD)));

deg += 5;

}

for (int i = sub_vertices.size() - 1; i > -1; i--) {

vertices.push_back(sub_vertices[i]);

}

ofBeginShape();

ofVertices(vertices);

ofEndShape(true);

}

this->cam.end();

if (!this->sound.getIsPlaying()) { this->sound.play(); }

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20190118

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