2019年6月 – ページ 7 – プログラミング de 落描き

2019年6月12日2019年6月12日

Shake the circle. openFrameworks

[ Video ]

[ About ]
円をシェイク。

Shake the circle.

[ 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 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;
};

#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) {};

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 len = 20;
	auto noise_param = ofGetFrameNum() * 0.01;
	for (int radius = 50; radius < 300; radius += 30) {

		auto rotate = 0.f;
		auto noise_value = ofNoise(noise_param += 0.08);
		if (noise_value < 0.45) {

			rotate = ofMap(noise_value, 0, 0.45, -90, 0);
		}
		else if (noise_value > 0.55) {

			rotate = ofMap(noise_value, 0.55, 1, 0, 90);
		}

		ofPushMatrix();
		ofRotateY(rotate);

		vector<glm::vec2> outer, inner;
		for (int deg = 0; deg < 360; deg++) {

			outer.push_back(glm::vec2((radius + len * 0.5) * cos(deg * DEG_TO_RAD), (radius + len * 0.5) * sin(deg * DEG_TO_RAD)));
			inner.push_back(glm::vec2((radius - len * 0.5) * cos(deg * DEG_TO_RAD), (radius - len * 0.5) * sin(deg * DEG_TO_RAD)));
		}

		ofFill();
		ofSetColor(239);
		ofBeginShape();
		ofVertices(outer);
		ofNextContour(true);
		ofVertices(inner);
		ofEndShape(true);

		ofNoFill();
		ofSetColor(39);
		ofBeginShape();
		ofVertices(outer);
		ofNextContour(true);
		ofVertices(inner);
		ofEndShape(true);

		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 len = 20;

auto noise_param = ofGetFrameNum() * 0.01;

for (int radius = 50; radius < 300; radius += 30) {

auto rotate = 0.f;

auto noise_value = ofNoise(noise_param += 0.08);

if (noise_value < 0.45) {

rotate = ofMap(noise_value, 0, 0.45, -90, 0);

}

else if (noise_value > 0.55) {

rotate = ofMap(noise_value, 0.55, 1, 0, 90);

}

ofPushMatrix();

ofRotateY(rotate);

vector<glm::vec2> outer, inner;

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

outer.push_back(glm::vec2((radius + len * 0.5) * cos(deg * DEG_TO_RAD), (radius + len * 0.5) * sin(deg * DEG_TO_RAD)));

inner.push_back(glm::vec2((radius - len * 0.5) * cos(deg * DEG_TO_RAD), (radius - len * 0.5) * sin(deg * DEG_TO_RAD)));

}

ofFill();

ofSetColor(239);

ofBeginShape();

ofVertices(outer);

ofNextContour(true);

ofVertices(inner);

ofEndShape(true);

ofNoFill();

ofSetColor(39);

ofBeginShape();

ofVertices(outer);

ofNextContour(true);

ofVertices(inner);

ofEndShape(true);

ofPopMatrix();

}

this->cam.end();

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20190612

2019年6月11日2019年6月11日

Broken circle. openFrameworks

[ Video ]

[ About ]
壊れた円形

Broken circle.

[ 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 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) {};

	void draw_shape(vector<glm::vec2>& param1, vector<glm::vec2>& param2);
};

#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) {};

void draw_shape(vector<glm::vec2>& param1, vector<glm::vec2>& param2);

};

#include "ofApp.h"

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

	ofSetFrameRate(60);
	ofSetWindowTitle("openframeworks");

	ofBackground(239);
	ofSetColor(39);
	ofSetLineWidth(2);
	ofSetCircleResolution(60);
}

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

	ofSeedRandom(39);
}

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

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

	auto len = 25;
	vector<glm::vec2> outer, inner;
	for (int radius = 50; radius <= 300; radius += 50) {
		
		ofNoFill();
		ofDrawCircle(glm::vec2(), radius);

		auto out_radius = radius + len * 0.5;
		auto in_radius = radius - len * 0.5;
		for (int deg = 0; deg <= 360; deg++) {

			auto noise_source = glm::vec2(radius * cos(deg * DEG_TO_RAD), radius * sin(deg * DEG_TO_RAD));
			auto noise_value = ofNoise(noise_source.x * 0.005, noise_source.y * 0.005, ofGetFrameNum() * 0.005);
			if (noise_value < 0.55) {

				outer.push_back(glm::vec2(out_radius * cos(deg * DEG_TO_RAD), out_radius * sin(deg * DEG_TO_RAD)));
				inner.push_back(glm::vec2(in_radius  * cos(deg * DEG_TO_RAD), in_radius  * sin(deg * DEG_TO_RAD)));
			}
			else {

				this->draw_shape(outer, inner);
			}
		}

		this->draw_shape(outer, inner);
	}
}

//--------------------------------------------------------------
void ofApp::draw_shape(vector<glm::vec2>& param1, vector<glm::vec2>& param2) {

	if (param1.size() > 0 && param2.size() > 0) {

		std::reverse(param2.begin(), param2.end());

		ofFill();
		ofBeginShape();
		ofVertices(param1);
		ofVertices(param2);
		ofEndShape(true);
	}

	param1.clear();
	param2.clear();
}

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

ofSetCircleResolution(60);

}

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

void ofApp::update() {

ofSeedRandom(39);

}

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

void ofApp::draw() {

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

auto len = 25;

vector<glm::vec2> outer, inner;

for (int radius = 50; radius <= 300; radius += 50) {

ofNoFill();

ofDrawCircle(glm::vec2(), radius);

auto out_radius = radius + len * 0.5;

auto in_radius = radius - len * 0.5;

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

auto noise_source = glm::vec2(radius * cos(deg * DEG_TO_RAD), radius * sin(deg * DEG_TO_RAD));

auto noise_value = ofNoise(noise_source.x * 0.005, noise_source.y * 0.005, ofGetFrameNum() * 0.005);

if (noise_value < 0.55) {

outer.push_back(glm::vec2(out_radius * cos(deg * DEG_TO_RAD), out_radius * sin(deg * DEG_TO_RAD)));

inner.push_back(glm::vec2(in_radius * cos(deg * DEG_TO_RAD), in_radius * sin(deg * DEG_TO_RAD)));

}

else {

this->draw_shape(outer, inner);

}

this->draw_shape(outer, inner);

}

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

void ofApp::draw_shape(vector<glm::vec2>& param1, vector<glm::vec2>& param2) {

if (param1.size() > 0 && param2.size() > 0) {

std::reverse(param2.begin(), param2.end());

ofFill();

ofBeginShape();

ofVertices(param1);

ofVertices(param2);

ofEndShape(true);

}

param1.clear();

param2.clear();

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20190611

2019年6月10日2019年6月10日

Square propeller. openFrameworks

[ Video ]

[ About ]
四角いプロペラ

Square propeller.

[ 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 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) {};

	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 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) {};

glm::vec2 make_point(int len, int param);

};

#include "ofApp.h"

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

	ofSetFrameRate(60);
	ofSetWindowTitle("openframeworks");

	ofBackground(239);
	ofSetColor(39);
}

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

	ofSeedRandom(39);
}

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

	auto span = 180;
	auto len = 150;
	auto width = 5;
	for (int x = span * 0.5; x < ofGetWidth(); x += span) {

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

			ofPushMatrix();
			ofTranslate(x, y);

			int n = ofRandom(3, 8);
			for (int i = 0; i < n; i++) {

				auto param_start = (int)(ofRandom(50) + ofGetFrameNum() * ofRandom(0.5, 1)) % 100;
				vector<glm::vec2> vertices, sub_vertices;;
				for (int param = param_start; param <= param_start + width; param++) {

					vertices.push_back(this->make_point(len, param));
				}

				param_start = param_start + 50;
				for (int param = param_start; param <= param_start + width; param++) {

					sub_vertices.push_back(this->make_point(len, param));
				}

				reverse(sub_vertices.begin(), sub_vertices.end());

				auto color_value = ofRandom(39, 239);

				ofFill();
				ofSetColor(color_value);
				ofBeginShape();
				ofVertices(vertices);
				ofVertices(sub_vertices);
				ofEndShape(true);

				ofNoFill();
				ofSetColor(ofMap(color_value, 39, 239, 239, 39));
				ofBeginShape();
				ofVertices(vertices);
				ofVertices(sub_vertices);
				ofEndShape(true);
			}

			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);

}

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

void ofApp::update() {

ofSeedRandom(39);

}

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

void ofApp::draw() {

auto span = 180;

auto len = 150;

auto width = 5;

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

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

ofPushMatrix();

ofTranslate(x, y);

int n = ofRandom(3, 8);

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

auto param_start = (int)(ofRandom(50) + ofGetFrameNum() * ofRandom(0.5, 1)) % 100;

vector<glm::vec2> vertices, sub_vertices;;

for (int param = param_start; param <= param_start + width; param++) {

vertices.push_back(this->make_point(len, param));

}

param_start = param_start + 50;

for (int param = param_start; param <= param_start + width; param++) {

sub_vertices.push_back(this->make_point(len, param));

}

reverse(sub_vertices.begin(), sub_vertices.end());

auto color_value = ofRandom(39, 239);

ofFill();

ofSetColor(color_value);

ofBeginShape();

ofVertices(vertices);

ofVertices(sub_vertices);

ofEndShape(true);

ofNoFill();

ofSetColor(ofMap(color_value, 39, 239, 239, 39));

ofBeginShape();

ofVertices(vertices);

ofVertices(sub_vertices);

ofEndShape(true);

}

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/Insta20190610

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