プログラミング de 落描き – ページ 716 – 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7日2019年1月7日

Irregularity squares. openFrameworks

[ Video ]

[ About ]
四角形の線上座標を0-100までの引数を元に生成する関数を用意。
ノイズ関数で引数を弄って、生成された座標を結んで不完全な四角形(たまに三角形)を生成しています。

I created method of generate coordinate of rectangle.
Generated coordinate connect with lines.

[ 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(39);
	ofSetColor(239);

	ofNoFill();
}

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

	ofSeedRandom(39);
}

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

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

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

			float noise_seed_1 = ofRandom(1000);
			float noise_seed_2 = ofRandom(1000);
			for (int i = 0; i < 10; i++) {

				int start_param = ofMap(ofNoise(noise_seed_1, (ofGetFrameNum() + i) * 0.005), 0, 1, 0, 100);
				int end_param = start_param + ofMap(ofNoise(noise_seed_2, (ofGetFrameNum() + i) * 0.005), 0, 1, 25, 85);

				ofBeginShape();
				for (int param = start_param; param < end_param; param++) {

					ofVertex(this->make_point(size * 0.95, param) + glm::vec2(x, y));
				}
				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);

ofSetColor(239);

ofNoFill();

}

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

void ofApp::update() {

ofSeedRandom(39);

}

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

void ofApp::draw() {

int size = 144;

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

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

float noise_seed_1 = ofRandom(1000);

float noise_seed_2 = ofRandom(1000);

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

int start_param = ofMap(ofNoise(noise_seed_1, (ofGetFrameNum() + i) * 0.005), 0, 1, 0, 100);

int end_param = start_param + ofMap(ofNoise(noise_seed_2, (ofGetFrameNum() + i) * 0.005), 0, 1, 25, 85);

ofBeginShape();

for (int param = start_param; param < end_param; param++) {

ofVertex(this->make_point(size * 0.95, param) + glm::vec2(x, y));

}

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/Insta20190107

[ほしいものリスト]
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2019年1月6日

Avoid sphere. openFrameworks

[ Video ]

[ About ]
球体を這い回るパーティクル

Particle is creep about on particle.

製作する様子をライブ配信しました。

[ 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(39);
	ofSetColor(239);

	ofNoFill();
	ofEnableDepthTest();
}

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

	ofSeedRandom(39);
}

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

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

	float radius = 250;

	ofNoFill();
	for (int i = 0; i < 150; i++) {

		vector<glm::vec3> vertices;
		float noise_seed_x = ofRandom(1000);
		float noise_seed_y = ofRandom(1000);
		float noise_seed_z = ofRandom(1000);
		for (int len = 0; len < 30; len++) {

			float x = ofMap(ofNoise(noise_seed_x, (ofGetFrameNum() + len) * 0.005), 0, 1, -ofGetWidth() * 0.5, ofGetHeight() * 0.5);
			float y = ofMap(ofNoise(noise_seed_y, (ofGetFrameNum() + len) * 0.005), 0, 1, -ofGetHeight() * 0.5, ofGetHeight() * 0.5);
			float z = ofMap(ofNoise(noise_seed_z, (ofGetFrameNum() + len) * 0.005), 0, 1, -ofGetWidth() * 0.5, ofGetHeight() * 0.5);

			glm::vec3 point = glm::vec3(x, y, z);
			if (glm::length(point) < radius) {

				point = glm::normalize(point) * (radius + 1);
			}

			vertices.push_back(point);
		}

		ofBeginShape();
		ofSetColor(239, ofMap(glm::length(vertices.back()), radius, radius + 100, 255, 0));
		ofVertices(vertices);
		ofEndShape();

		ofDrawSphere(vertices.back(), 3);
	}
	
	ofFill();
	ofSetColor(39);
	ofDrawSphere(glm::vec3(), radius);

	this->cam.end();
}

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

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

#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(60);

ofSetWindowTitle("openFrameworks");

ofBackground(39);

ofSetColor(239);

ofNoFill();

ofEnableDepthTest();

}

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

void ofApp::update() {

ofSeedRandom(39);

}

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

void ofApp::draw() {

this->cam.begin();

ofRotateY(ofGetFrameNum());

float radius = 250;

ofNoFill();

for (int i = 0; i < 150; i++) {

vector<glm::vec3> vertices;

float noise_seed_x = ofRandom(1000);

float noise_seed_y = ofRandom(1000);

float noise_seed_z = ofRandom(1000);

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

float x = ofMap(ofNoise(noise_seed_x, (ofGetFrameNum() + len) * 0.005), 0, 1, -ofGetWidth() * 0.5, ofGetHeight() * 0.5);

float y = ofMap(ofNoise(noise_seed_y, (ofGetFrameNum() + len) * 0.005), 0, 1, -ofGetHeight() * 0.5, ofGetHeight() * 0.5);

float z = ofMap(ofNoise(noise_seed_z, (ofGetFrameNum() + len) * 0.005), 0, 1, -ofGetWidth() * 0.5, ofGetHeight() * 0.5);

glm::vec3 point = glm::vec3(x, y, z);

if (glm::length(point) < radius) {

point = glm::normalize(point) * (radius + 1);

}

vertices.push_back(point);

}

ofBeginShape();

ofSetColor(239, ofMap(glm::length(vertices.back()), radius, radius + 100, 255, 0));

ofVertices(vertices);

ofEndShape();

ofDrawSphere(vertices.back(), 3);

}

ofFill();

ofSetColor(39);

ofDrawSphere(glm::vec3(), radius);

this->cam.end();

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20190106

[ほしいものリスト]
Amazon

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2019年1月5日

Noise torus. openFrameworks

[ Video ]

[ About ]
トーラスの座標を帯状に結んでノイズで伸び縮み

Tie to coordinate of torus.

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

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

ofEasyCam cam;

};

#include "ofApp.h"

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

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

	ofBackground(239);

	ofNoFill();
	ofEnableDepthTest();
}

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

}

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

	this->cam.begin();

	float radius = 250;
	float small_radius = 50;
	int deg_span = 3;
	int small_deg_span = 10;
	ofColor color;
	
	for (int small_deg = 0; small_deg < 360; small_deg += small_deg_span) {

		color.setHsb(ofMap(small_deg, 0, 360, 0, 255), 255, 200);
		ofSetColor(color);

		int tmp_small_deg = small_deg;
		int deg_max = ofNoise(small_deg * 0.005, ofGetFrameNum() * 0.005) * 360;
		vector<glm::vec3> vertices;
		vector<glm::vec3> sub_vertices;

		for (int deg = 0; deg < deg_max; deg += deg_span) {

			vertices.push_back(this->make_point(radius, small_radius, deg, tmp_small_deg));
			sub_vertices.push_back(this->make_point(radius, small_radius, deg, tmp_small_deg + small_deg_span));
			tmp_small_deg = tmp_small_deg + small_deg_span;
		}

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

			vertices.push_back(sub_vertices[i]);
		}

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

	this->cam.end();
}

//--------------------------------------------------------------
glm::vec3 ofApp::make_point(float radius, float small_radius, float deg, float small_deg) {

	float x_1 = radius * cos(deg * DEG_TO_RAD);
	float y_1 = radius * sin(deg * DEG_TO_RAD);

	float x_2 = small_radius * cos(small_deg * DEG_TO_RAD) * cos(deg * DEG_TO_RAD);
	float y_2 = small_radius * cos(small_deg * DEG_TO_RAD) * sin(deg * DEG_TO_RAD);

	float x = x_1 + x_2;
	float y = y_1 + y_2;
	float z = small_radius * sin(small_deg * DEG_TO_RAD);

	return glm::vec3(x, y, z);
}

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

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

#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(60);

ofSetWindowTitle("openFrameworks");

ofBackground(239);

ofNoFill();

ofEnableDepthTest();

}

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

void ofApp::update() {

}

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

void ofApp::draw() {

this->cam.begin();

float radius = 250;

float small_radius = 50;

int deg_span = 3;

int small_deg_span = 10;

ofColor color;

for (int small_deg = 0; small_deg < 360; small_deg += small_deg_span) {

color.setHsb(ofMap(small_deg, 0, 360, 0, 255), 255, 200);

ofSetColor(color);

int tmp_small_deg = small_deg;

int deg_max = ofNoise(small_deg * 0.005, ofGetFrameNum() * 0.005) * 360;

vector<glm::vec3> vertices;

vector<glm::vec3> sub_vertices;

for (int deg = 0; deg < deg_max; deg += deg_span) {

vertices.push_back(this->make_point(radius, small_radius, deg, tmp_small_deg));

sub_vertices.push_back(this->make_point(radius, small_radius, deg, tmp_small_deg + small_deg_span));

tmp_small_deg = tmp_small_deg + small_deg_span;

}

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

vertices.push_back(sub_vertices[i]);

}

ofBeginShape();

ofVertices(vertices);

ofEndShape(true);

}

this->cam.end();

}

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

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

float x_1 = radius * cos(deg * DEG_TO_RAD);

float y_1 = radius * sin(deg * DEG_TO_RAD);

float x_2 = small_radius * cos(small_deg * DEG_TO_RAD) * cos(deg * DEG_TO_RAD);

float y_2 = small_radius * cos(small_deg * DEG_TO_RAD) * sin(deg * DEG_TO_RAD);

float x = x_1 + x_2;

float y = y_1 + y_2;

float z = small_radius * sin(small_deg * DEG_TO_RAD);

return glm::vec3(x, y, z);

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20190105

[ほしいものリスト]
Amazon

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