2018年6月 – ページ 10 – プログラミング de 落描き

2018年6月3日2018年6月3日

トーラス座標を走るライン openFrameworks

[ Video ]

[ About ]
トーラス座標(ドーナツ状の座標)を走るラインをたくさん描きました。

[ 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) {};

	ofEasyCam cam;
	ofPoint make_point(float radius, float small_radius, float deg, float small_deg);
};

#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;

ofPoint make_point(float radius, float small_radius, float deg, float small_deg);

};

#include "ofApp.h"

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

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

	ofSetLineWidth(1.5);
	ofEnableDepthTest();
	ofEnableBlendMode(ofBlendMode::OF_BLENDMODE_ADD);
}

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

	ofSeedRandom(39);
}

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

	this->cam.begin();
	ofRotateX(270);

	for (int i = 0; i < 139; i++) {

		float radius = 100;
		float small_radius = 50;
		int start_deg = ofRandom(360) + ofGetFrameNum();
		int small_deg_param = ofRandom(4, 10);

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

		float radius_span = 0.5;
		int deg_span = 2;
		for (int deg = start_deg; deg <= start_deg + 30; deg += 2) {

			ofSetColor(line_color, ofMap(deg, start_deg, start_deg + 30, 32, 255));

			ofPoint p1 = make_point(radius, small_radius, deg, deg * small_deg_param);
			ofPoint p2 = make_point(radius + radius_span, small_radius, deg + deg_span, (deg + deg_span) * small_deg_param);
			ofDrawLine(p1, p2);

			radius += radius_span;
		}
	}

	this->cam.end();
}

//--------------------------------------------------------------
ofPoint 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 ofPoint(x, y, z);
}

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

	ofSetupOpenGL(1280, 720, OF_WINDOW);
	ofRunApp(new ofApp());
}

#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(60);

ofBackground(39);

ofSetWindowTitle("Insta");

ofSetLineWidth(1.5);

ofEnableDepthTest();

ofEnableBlendMode(ofBlendMode::OF_BLENDMODE_ADD);

}

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

void ofApp::update() {

ofSeedRandom(39);

}

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

void ofApp::draw() {

this->cam.begin();

ofRotateX(270);

for (int i = 0; i < 139; i++) {

float radius = 100;

float small_radius = 50;

int start_deg = ofRandom(360) + ofGetFrameNum();

int small_deg_param = ofRandom(4, 10);

ofColor line_color;

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

float radius_span = 0.5;

int deg_span = 2;

for (int deg = start_deg; deg <= start_deg + 30; deg += 2) {

ofSetColor(line_color, ofMap(deg, start_deg, start_deg + 30, 32, 255));

ofPoint p1 = make_point(radius, small_radius, deg, deg * small_deg_param);

ofPoint p2 = make_point(radius + radius_span, small_radius, deg + deg_span, (deg + deg_span) * small_deg_param);

ofDrawLine(p1, p2);

radius += radius_span;

}

this->cam.end();

}

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

ofPoint 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 ofPoint(x, y, z);

}

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

int main() {

ofSetupOpenGL(1280, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20180603

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2018年6月2日2018年6月2日

からふるライン openFrameworks

[ Video ]

[ About ]
カラフルな円をつなげた線を並べてみました。

[ 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(39);
	ofSetWindowTitle("Insta");

	ofEnableBlendMode(ofBlendMode::OF_BLENDMODE_ADD);
}

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

	ofSeedRandom(39);
}

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

	ofTranslate(ofGetWidth() * 0.5, ofGetHeight() * 0.5);

	for (int x = -1; x <= 1; x++) {

		for (int y = -1; y <= 1; y++) {

			ofPushMatrix();
			ofTranslate(x * 200, y * 200);

			float noise_x_param = ofRandom(1000) + ofGetFrameNum() * 0.01;
			float noise_y_param = ofRandom(1000) + ofGetFrameNum() * 0.01;
			for (int i = 0; i < 100; i++) {

				ofColor circle_color;
				circle_color.setHsb(ofRandom(255), 239, 239);
				ofSetColor(circle_color, 64);

				ofPoint point = ofPoint(ofMap(ofNoise(noise_x_param + i * 0.02), 0, 1, -150, 150), ofMap(ofNoise(noise_y_param + i * 0.02), 0, 1, -150, 150));
				ofDrawCircle(point, 10);
			}

			ofPopMatrix();
		}
	}
}

//--------------------------------------------------------------
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);

}

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

void ofApp::update() {

ofSeedRandom(39);

}

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

void ofApp::draw() {

ofTranslate(ofGetWidth() * 0.5, ofGetHeight() * 0.5);

for (int x = -1; x <= 1; x++) {

for (int y = -1; y <= 1; y++) {

ofPushMatrix();

ofTranslate(x * 200, y * 200);

float noise_x_param = ofRandom(1000) + ofGetFrameNum() * 0.01;

float noise_y_param = ofRandom(1000) + ofGetFrameNum() * 0.01;

for (int i = 0; i < 100; i++) {

ofColor circle_color;

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

ofSetColor(circle_color, 64);

ofPoint point = ofPoint(ofMap(ofNoise(noise_x_param + i * 0.02), 0, 1, -150, 150), ofMap(ofNoise(noise_y_param + i * 0.02), 0, 1, -150, 150));

ofDrawCircle(point, 10);

}

ofPopMatrix();

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20180602

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2018年6月1日2018年6月1日

のいじーくらうん　openFrameowrks

[ Video ]

[ About ]
円の形状のZ軸をNoise関数でズラしています。王冠のような形になりますが真横から見ているので、二次元に見えたり時たま三次元に見えます。

[ 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) {}

	// Make Member
	ofEasyCam cam;
};

#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) {}

// Make Member

ofEasyCam cam;

};

#include "ofApp.h"

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

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

	ofNoFill();
	ofSetColor(239);
	ofSetLineWidth(1.5);
	ofEnableDepthTest();
}

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

}

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

	this->cam.begin();
	ofRotateX(90);

	float radius = 300;

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

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

		float noise_value = ofNoise(x * 0.005, y * 0.005, ofGetFrameNum() * 0.008);
		int z = noise_value * 10 + 1;
		z = z * 40 - 180;

		ofVertex(x, y, z);
	}
	ofEndShape(true);

	this->cam.end();
}

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

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

#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(60);

ofBackground(39);

ofSetWindowTitle("Insta");

ofNoFill();

ofSetColor(239);

ofSetLineWidth(1.5);

ofEnableDepthTest();

}

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

void ofApp::update() {

}

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

void ofApp::draw() {

this->cam.begin();

ofRotateX(90);

float radius = 300;

ofBeginShape();

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

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

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

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

int z = noise_value * 10 + 1;

z = z * 40 - 180;

ofVertex(x, y, z);

}

ofEndShape(true);

this->cam.end();

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20180601

[ほしいものリスト]
Amazon

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