2020年5月 – ページ 4 – プログラミング de 落描き

2020年5月22日2020年5月22日

Switch 270-degree arcs. Draw by openFrameworks

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Switch 270-degree arcs.

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#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 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) {};
};

#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 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);
	ofSetWindowTitle("openFrameworks");

	ofBackground(239);
	ofSetColor(39);
	ofNoFill();
	ofSetLineWidth(3);
}

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

	ofSeedRandom(39);
}

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

	auto span = 45;
	auto radius = span * 0.5;
	for (int x = radius; x < ofGetWidth(); x += span) {

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

			auto noise_value = ofNoise(ofRandom(1000), ofGetFrameNum() * 0.005);
			auto deg_start = 0;

			if (noise_value < 0.2) { deg_start = 0; }
			else if (noise_value < 0.25) { deg_start = ofMap(noise_value, 0.2, 0.25, 0, 90); }
			else if (noise_value < 0.45) { deg_start = 90; }
			else if (noise_value < 0.50) { deg_start = ofMap(noise_value, 0.45, 0.50, 90, 180); }
			else if (noise_value < 0.70) { deg_start = 180; }
			else if (noise_value < 0.75) { deg_start = ofMap(noise_value, 0.7, 0.75, 180, 270); }
			else if (noise_value < 0.95) { deg_start = 270; }
			else if (noise_value < 1.0) { ofMap(noise_value, 0.95, 1.0, 270, 360); }
			
			ofNoFill();
			ofBeginShape();
			for (int deg = deg_start; deg <= deg_start + 270; deg++) {

				ofVertex(x + radius * cos(deg * DEG_TO_RAD), y + radius * sin(deg * DEG_TO_RAD));
			}
			ofEndShape();

			ofFill();
			ofDrawCircle(glm::vec2(x + radius * cos(deg_start * DEG_TO_RAD), y + radius * sin(deg_start * DEG_TO_RAD)), 5);
			ofDrawCircle(glm::vec2(x + radius * cos((deg_start + 270) * DEG_TO_RAD), y + radius * sin((deg_start + 270) * DEG_TO_RAD)), 5);
		}
	}

}

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

ofSetLineWidth(3);

}

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

void ofApp::update() {

ofSeedRandom(39);

}

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

void ofApp::draw() {

auto span = 45;

auto radius = span * 0.5;

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

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

auto noise_value = ofNoise(ofRandom(1000), ofGetFrameNum() * 0.005);

auto deg_start = 0;

if (noise_value < 0.2) { deg_start = 0; }

else if (noise_value < 0.25) { deg_start = ofMap(noise_value, 0.2, 0.25, 0, 90); }

else if (noise_value < 0.45) { deg_start = 90; }

else if (noise_value < 0.50) { deg_start = ofMap(noise_value, 0.45, 0.50, 90, 180); }

else if (noise_value < 0.70) { deg_start = 180; }

else if (noise_value < 0.75) { deg_start = ofMap(noise_value, 0.7, 0.75, 180, 270); }

else if (noise_value < 0.95) { deg_start = 270; }

else if (noise_value < 1.0) { ofMap(noise_value, 0.95, 1.0, 270, 360); }

ofNoFill();

ofBeginShape();

for (int deg = deg_start; deg <= deg_start + 270; deg++) {

ofVertex(x + radius * cos(deg * DEG_TO_RAD), y + radius * sin(deg * DEG_TO_RAD));

}

ofEndShape();

ofFill();

ofDrawCircle(glm::vec2(x + radius * cos(deg_start * DEG_TO_RAD), y + radius * sin(deg_start * DEG_TO_RAD)), 5);

ofDrawCircle(glm::vec2(x + radius * cos((deg_start + 270) * DEG_TO_RAD), y + radius * sin((deg_start + 270) * DEG_TO_RAD)), 5);

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20200522

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2020年5月21日2020年5月21日

Switch 10 PRINT. Draw by openFrameworks

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Switch 10 PRINT.

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#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(239);
	ofSetColor(39);
	ofSetLineWidth(2);
	ofEnableDepthTest();
}

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

	ofSeedRandom(39);
}

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

	int span = 36;
	for (auto x = span * 0.5; x <= ofGetWidth() - span * 0.5; x += span) {

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

			ofPushMatrix();
			ofTranslate(x, y);

			auto noise_value = ofNoise(ofRandom(1000), ofGetFrameNum() * 0.003);
			auto start_param = noise_value < 0.5 ? (noise_value < 0.45 ? 0 : ofMap(noise_value, 0.45, 0.5, 0, 25)) : 25;

			auto start = this->make_point(span, start_param);
			auto end = this->make_point(span, start_param + 50);

			ofDrawLine(start, end);
			ofDrawCircle(start, 3);
			ofDrawCircle(end, 3);

			ofPopMatrix();
		}
	}
}

//--------------------------------------------------------------
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(239);

ofSetColor(39);

ofSetLineWidth(2);

ofEnableDepthTest();

}

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

void ofApp::update() {

ofSeedRandom(39);

}

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

void ofApp::draw() {

int span = 36;

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

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

ofPushMatrix();

ofTranslate(x, y);

auto noise_value = ofNoise(ofRandom(1000), ofGetFrameNum() * 0.003);

auto start_param = noise_value < 0.5 ? (noise_value < 0.45 ? 0 : ofMap(noise_value, 0.45, 0.5, 0, 25)) : 25;

auto start = this->make_point(span, start_param);

auto end = this->make_point(span, start_param + 50);

ofDrawLine(start, end);

ofDrawCircle(start, 3);

ofDrawCircle(end, 3);

ofPopMatrix();

}

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

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/Insta20200521

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2020年5月20日2020年5月20日

The movement propagates from the center. Draw by openFrameworks

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[ About ]
The movement propagates from the center.

[ 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(239);
	ofSetLineWidth(2);
	ofEnableDepthTest();
}

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

	ofSeedRandom(39);
}

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

	this->cam.begin();

	auto noise_seed = glm::vec3(ofRandom(1000), ofRandom(1000), ofRandom(1000));
	for (int x = -300; x <= 300; x += 50) {

		for (int y = -300; y <= 300; y += 50) {

			auto distance = 600 - glm::length(glm::vec2(x, y));

			auto noise_value = glm::vec3(
				ofNoise(noise_seed.x, distance * 0.001 + ofGetFrameNum() * 0.008),
				ofNoise(noise_seed.y, distance * 0.001 + ofGetFrameNum() * 0.008),
				ofNoise(noise_seed.z, distance * 0.001 + ofGetFrameNum() * 0.008));

			ofPushMatrix();
			ofTranslate(x, y, 0);

			ofRotateZ(ofMap(noise_value.z, 0, 1, -180, 180));
			ofRotateY(ofMap(noise_value.y, 0, 1, -180, 180));
			ofRotateX(ofMap(noise_value.x, 0, 1, -180, 180));

			ofFill();
			ofSetColor(39);
			ofDrawBox(24);

			ofNoFill();
			ofSetColor(239);
			ofDrawBox(25);

			ofPopMatrix();
		}
	}

	this->cam.end();
}

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

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

#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(60);

ofSetWindowTitle("openFrameworks");

ofBackground(239);

ofSetLineWidth(2);

ofEnableDepthTest();

}

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

void ofApp::update() {

ofSeedRandom(39);

}

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

void ofApp::draw() {

this->cam.begin();

auto noise_seed = glm::vec3(ofRandom(1000), ofRandom(1000), ofRandom(1000));

for (int x = -300; x <= 300; x += 50) {

for (int y = -300; y <= 300; y += 50) {

auto distance = 600 - glm::length(glm::vec2(x, y));

auto noise_value = glm::vec3(

ofNoise(noise_seed.x, distance * 0.001 + ofGetFrameNum() * 0.008),

ofNoise(noise_seed.y, distance * 0.001 + ofGetFrameNum() * 0.008),

ofNoise(noise_seed.z, distance * 0.001 + ofGetFrameNum() * 0.008));

ofPushMatrix();

ofTranslate(x, y, 0);

ofRotateZ(ofMap(noise_value.z, 0, 1, -180, 180));

ofRotateY(ofMap(noise_value.y, 0, 1, -180, 180));

ofRotateX(ofMap(noise_value.x, 0, 1, -180, 180));

ofFill();

ofSetColor(39);

ofDrawBox(24);

ofNoFill();

ofSetColor(239);

ofDrawBox(25);

ofPopMatrix();

}

this->cam.end();

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20200520

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Amazon

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