2018年3月 – ページ 2 – プログラミング de 落描き

2018年3月28日2018年3月27日

迫りくる不完全な四角 openFrameworks

[ Video ]

[ About ]
透明で形が欠けた四角形を並べたら綺麗かなと思い。追加で、手前に迫ってくるように動かしてみました。

[ 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) {};

	ofPoint make_rect_point(int len, int deg, int z = 0);

	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) {};

ofPoint make_rect_point(int len, int deg, int z = 0);

ofEasyCam cam;

};

#include "ofApp.h"

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

	ofSetFrameRate(60);
	ofBackground(39);
	ofSetWindowTitle("Insta");

	ofEnableBlendMode(ofBlendMode::OF_BLENDMODE_ADD);
	ofSetRectMode(ofRectMode::OF_RECTMODE_CENTER);
}

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

	ofSeedRandom(39);
}

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

	this->cam.begin();
	ofTranslate(0, 0, -2048);

	int len = ofGetWidth() / 2;
	ofColor line_color;
	for (int i = 0; i < 32; i++) {

		int deg = ofRandom(360) + ofNoise(i * 0.1, ofGetFrameNum() * 0.005) * 360;
		int deg_end = deg + ofRandom(45, 225);
		int z = ((int)ofRandom(2048) + ofGetFrameNum() * 10) % 2048;

		line_color.setHsb(ofRandom(255), 239, 239);
		ofSetColor(line_color, ofMap(z, 0, 2048, 0, 128));

		ofBeginShape();
		for (; deg < deg_end; deg += 1) {

			ofVertex(make_rect_point(len, deg, z));
		}
		ofEndShape(true);
	}
	
	this->cam.end();
}

//--------------------------------------------------------------
ofPoint ofApp::make_rect_point(int len, int deg, int z) {

	deg += 45;
	int param = deg / 90;

	switch (param % 4) {

	case 0:

		return ofPoint(len, ofMap(deg % 90, 0, 89, -len, len), z);
	case 1:

		return ofPoint(ofMap(deg % 90, 0, 89, len, -len), len, z);
	case 2:

		return ofPoint(-len, ofMap(deg % 90, 0, 89, len, -len), z);
	case 3:

		return ofPoint(ofMap(deg % 90, 0, 89, -len, len), -len, z);
	}

	return ofPoint();
}

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

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

#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(60);

ofBackground(39);

ofSetWindowTitle("Insta");

ofEnableBlendMode(ofBlendMode::OF_BLENDMODE_ADD);

ofSetRectMode(ofRectMode::OF_RECTMODE_CENTER);

}

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

void ofApp::update() {

ofSeedRandom(39);

}

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

void ofApp::draw() {

this->cam.begin();

ofTranslate(0, 0, -2048);

int len = ofGetWidth() / 2;

ofColor line_color;

for (int i = 0; i < 32; i++) {

int deg = ofRandom(360) + ofNoise(i * 0.1, ofGetFrameNum() * 0.005) * 360;

int deg_end = deg + ofRandom(45, 225);

int z = ((int)ofRandom(2048) + ofGetFrameNum() * 10) % 2048;

line_color.setHsb(ofRandom(255), 239, 239);

ofSetColor(line_color, ofMap(z, 0, 2048, 0, 128));

ofBeginShape();

for (; deg < deg_end; deg += 1) {

ofVertex(make_rect_point(len, deg, z));

}

ofEndShape(true);

}

this->cam.end();

}

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

ofPoint ofApp::make_rect_point(int len, int deg, int z) {

deg += 45;

int param = deg / 90;

switch (param % 4) {

case 0:

return ofPoint(len, ofMap(deg % 90, 0, 89, -len, len), z);

case 1:

return ofPoint(ofMap(deg % 90, 0, 89, len, -len), len, z);

case 2:

return ofPoint(-len, ofMap(deg % 90, 0, 89, len, -len), z);

case 3:

return ofPoint(ofMap(deg % 90, 0, 89, -len, len), -len, z);

}

return ofPoint();

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20180327

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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

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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

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