junkiyoshi – ページ 891 – プログラミング de 落描き

2018年3月27日2018年3月26日

ぐらぐら openFrameworks

[ Video ]

[ About ]
円を90度づつのモノクロにして、ノイズ関数でズラしてみました。ノイズ関数の強弱によって、円の形が見えたり、四角が見えたりするのが面白いですね。

[ 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);
	ofBackground(239);
	ofSetWindowTitle("Insta");

	ofSetColor(39);
}

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

}

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

	ofTranslate(ofGetWidth() / 2, ofGetHeight() / 2);

	int span = 50;
	for (int radius = 50; radius < ofGetWidth(); radius += span) {

		ofRotate(ofMap(ofNoise(radius * 0.005 + ofGetFrameNum() * 0.05), 0, 1, -50, 50));
		int small_radius = radius - span;

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

			int deg_start = i * 180;
			vector<ofPoint> vertices;
			for (int deg = deg_start; deg <= deg_start + 90; deg += 1) {

				vertices.push_back(ofPoint(radius * cos(deg * DEG_TO_RAD), radius * sin(deg * DEG_TO_RAD)));
			}

			for (int deg = deg_start + 90; deg >= deg_start; deg -= 1) {

				vertices.push_back(ofPoint(small_radius * cos(deg * DEG_TO_RAD), small_radius * sin(deg * DEG_TO_RAD)));
			}

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

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

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

#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(60);

ofBackground(239);

ofSetWindowTitle("Insta");

ofSetColor(39);

}

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

void ofApp::update() {

}

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

void ofApp::draw() {

ofTranslate(ofGetWidth() / 2, ofGetHeight() / 2);

int span = 50;

for (int radius = 50; radius < ofGetWidth(); radius += span) {

ofRotate(ofMap(ofNoise(radius * 0.005 + ofGetFrameNum() * 0.05), 0, 1, -50, 50));

int small_radius = radius - span;

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

int deg_start = i * 180;

vector<ofPoint> vertices;

for (int deg = deg_start; deg <= deg_start + 90; deg += 1) {

vertices.push_back(ofPoint(radius * cos(deg * DEG_TO_RAD), radius * sin(deg * DEG_TO_RAD)));

}

for (int deg = deg_start + 90; deg >= deg_start; deg -= 1) {

vertices.push_back(ofPoint(small_radius * cos(deg * DEG_TO_RAD), small_radius * sin(deg * DEG_TO_RAD)));

}

ofBeginShape();

ofVertices(vertices);

ofEndShape(true);

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20180326

2018年3月26日2018年3月25日

ブラックウォール openFrameworks

[ Video ]

[ About ]
黒い壁をNoise関数で出たり・なくなったり。

[ Source ]

#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 "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);
	ofBackground(239);
	ofSetWindowTitle("Insta");

	ofEnableDepthTest();
	ofSetColor(39, 239);
	ofFill();
}

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

}

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

	ofTranslate(ofGetWidth() / 2, ofGetHeight() / 2);
	ofRotateX(45);

	float max_height = 300;
	for (int r = 1; r < 10; r += 1) {

		float radius = r * 30.f;
		float x, y, z, noise_value;
		float tmp_max_height = max_height * r / 10;

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

			vector<ofPoint> vertices;

			x = radius * cos(deg * DEG_TO_RAD);
			y = radius * sin(deg * DEG_TO_RAD);
			noise_value = ofNoise(x * 0.005, y * 0.005, ofGetFrameNum() * 0.008);
			noise_value = noise_value < 0.5 ? 0.5 : noise_value;
			z = ofMap(noise_value, 0.5, 1, 0, tmp_max_height);
			vertices.push_back(ofPoint(x, y, 0));
			vertices.push_back(ofPoint(x, y, z));

			x = radius * cos((deg + 1)* DEG_TO_RAD);
			y = radius * sin((deg + 1) * DEG_TO_RAD);
			noise_value = ofNoise(x * 0.005, y * 0.005, ofGetFrameNum() * 0.008);
			noise_value = noise_value < 0.5 ? 0.5 : noise_value;
			z = ofMap(noise_value, 0.5, 1, 0, tmp_max_height);
			vertices.push_back(ofPoint(x, y, z));
			vertices.push_back(ofPoint(x, y, 0));

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

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

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

#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(60);

ofBackground(239);

ofSetWindowTitle("Insta");

ofEnableDepthTest();

ofSetColor(39, 239);

ofFill();

}

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

void ofApp::update() {

}

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

void ofApp::draw() {

ofTranslate(ofGetWidth() / 2, ofGetHeight() / 2);

ofRotateX(45);

float max_height = 300;

for (int r = 1; r < 10; r += 1) {

float radius = r * 30.f;

float x, y, z, noise_value;

float tmp_max_height = max_height * r / 10;

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

vector<ofPoint> vertices;

x = radius * cos(deg * DEG_TO_RAD);

y = radius * sin(deg * DEG_TO_RAD);

noise_value = ofNoise(x * 0.005, y * 0.005, ofGetFrameNum() * 0.008);

noise_value = noise_value < 0.5 ? 0.5 : noise_value;

z = ofMap(noise_value, 0.5, 1, 0, tmp_max_height);

vertices.push_back(ofPoint(x, y, 0));

vertices.push_back(ofPoint(x, y, z));

x = radius * cos((deg + 1)* DEG_TO_RAD);

y = radius * sin((deg + 1) * DEG_TO_RAD);

noise_value = ofNoise(x * 0.005, y * 0.005, ofGetFrameNum() * 0.008);

noise_value = noise_value < 0.5 ? 0.5 : noise_value;

z = ofMap(noise_value, 0.5, 1, 0, tmp_max_height);

vertices.push_back(ofPoint(x, y, z));

vertices.push_back(ofPoint(x, y, 0));

ofBeginShape();

ofVertices(vertices);

ofEndShape(true);

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20180325

2018年3月25日2018年3月24日

サークル × ライン openFraeworks

[ Video ]

[ About ]
SNSで円周上から線が伸びて綺麗な模様を作っていらっしゃる方がいたのでマネし(パクり)ました。個人的には青色が好み。

[ Source ]

#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 "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(30);
	ofBackground(39);
	ofSetWindowTitle("Insta");

	ofNoFill();
	ofSetColor(239, 39, 39, 139);
	// ofSetColor(39, 239, 39, 139);
	// ofSetColor(39, 39, 239, 139);

	ofEnableBlendMode(ofBlendMode::OF_BLENDMODE_ADD);
}

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

}

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

	ofTranslate(ofGetWidth() / 2, ofGetHeight() / 2);

	float radius = 200;
	for (int deg_param = 0; deg_param < 360 * 2; deg_param += 1) {

		float deg = deg_param + 0.5;
		float x = radius * cos(deg * DEG_TO_RAD);
		float y = radius * sin(deg * DEG_TO_RAD);

		ofPushMatrix();
		ofTranslate(x, y);

		ofBeginShape();
		float line_y = 0;
		while (line_y > -ofGetHeight() / 2 - y) {

			float noise_value = ofNoise(x * 0.005, y * 0.005, line_y * 0.0005 + ofGetFrameNum() * 0.005);
			if (noise_value < 0.45) {

				break;
			}

			float line_x = ofMap(noise_value, 0, 1, -ofGetWidth(), ofGetWidth());
			if (line_y == 0) {

				ofTranslate(-line_x, 0);
			}

			ofVertex(ofPoint(line_x, line_y));

			line_y -= ofMap(noise_value, 0, 1, 0, 1.5);
		}
		ofEndShape();
		ofPopMatrix();
	}

}

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

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

#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(30);

ofBackground(39);

ofSetWindowTitle("Insta");

ofNoFill();

ofSetColor(239, 39, 39, 139);

// ofSetColor(39, 239, 39, 139);

// ofSetColor(39, 39, 239, 139);

ofEnableBlendMode(ofBlendMode::OF_BLENDMODE_ADD);

}

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

void ofApp::update() {

}

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

void ofApp::draw() {

ofTranslate(ofGetWidth() / 2, ofGetHeight() / 2);

float radius = 200;

for (int deg_param = 0; deg_param < 360 * 2; deg_param += 1) {

float deg = deg_param + 0.5;

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

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

ofPushMatrix();

ofTranslate(x, y);

ofBeginShape();

float line_y = 0;

while (line_y > -ofGetHeight() / 2 - y) {

float noise_value = ofNoise(x * 0.005, y * 0.005, line_y * 0.0005 + ofGetFrameNum() * 0.005);

if (noise_value < 0.45) {

break;

}

float line_x = ofMap(noise_value, 0, 1, -ofGetWidth(), ofGetWidth());

if (line_y == 0) {

ofTranslate(-line_x, 0);

}

ofVertex(ofPoint(line_x, line_y));

line_y -= ofMap(noise_value, 0, 1, 0, 1.5);

}

ofEndShape();

ofPopMatrix();

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20180324

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