2019年7月 – ページ 6 – プログラミング de 落描き

2019年7月16日2019年7月16日

3 color square. openFrameworks

[ Video ]

[ About ]
3色の正方形。

3 color square.

[ 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);
	ofNoFill();
}

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

	ofSeedRandom(39);
}

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

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

	auto width = 60;
	auto color_flag = true;
	auto param_start = ofGetFrameNum() * 0.5;

	for (auto len = 100; len < ofGetWidth(); len += width) {

		param_start += 10;
		for (auto param = param_start; param < param_start + 100; param += 20) {

			vector<glm::vec2> in;
			vector<glm::vec2> out;
			for (auto tmp_param = param; tmp_param <= param + 10; tmp_param++) {

				in.push_back(this->make_point(len, tmp_param));
				out.push_back(this->make_point(len + width, tmp_param));
			}

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

			ofFill();
			ofSetColor(color_flag ? 39 : 139);

			ofBeginShape();
			ofVertices(in);
			ofVertices(out);
			ofEndShape(true);

			ofNoFill();
			ofSetColor(color_flag ? 139 : 39);

			ofBeginShape();
			ofVertices(in);
			ofVertices(out);
			ofEndShape(true);

			color_flag = !color_flag;
		}
	}
}

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

ofNoFill();

}

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

void ofApp::update() {

ofSeedRandom(39);

}

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

void ofApp::draw() {

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

auto width = 60;

auto color_flag = true;

auto param_start = ofGetFrameNum() * 0.5;

for (auto len = 100; len < ofGetWidth(); len += width) {

param_start += 10;

for (auto param = param_start; param < param_start + 100; param += 20) {

vector<glm::vec2> in;

vector<glm::vec2> out;

for (auto tmp_param = param; tmp_param <= param + 10; tmp_param++) {

in.push_back(this->make_point(len, tmp_param));

out.push_back(this->make_point(len + width, tmp_param));

}

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

ofFill();

ofSetColor(color_flag ? 39 : 139);

ofBeginShape();

ofVertices(in);

ofVertices(out);

ofEndShape(true);

ofNoFill();

ofSetColor(color_flag ? 139 : 39);

ofBeginShape();

ofVertices(in);

ofVertices(out);

ofEndShape(true);

color_flag = !color_flag;

}

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

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/Insta20190716

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2019年7月15日2019年7月15日

Rotate color palette. openFrameworks

[ Video ]

[ About ]
回転するカラーパレット

Rotate color palette.

[ 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) {};
};

#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);
	ofSetLineWidth(2);

}

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

}

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

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

	for (auto radius = 150; radius < 720; radius += 60) {

		auto noise_deg = ofMap(ofNoise(radius * 0.1 + ofGetFrameNum() * 0.005), 0, 1, -360, 360);

		ofPushMatrix();
		ofRotate(noise_deg);

		auto small_radius = radius - 20;
		auto big_radius = radius + 20;
		vector<glm::vec2> small_circle;
		vector<glm::vec2> big_circle;
		for (auto deg = 0; deg < 360; deg += 1) {

			small_circle.push_back(glm::vec2(small_radius * cos(deg * DEG_TO_RAD), small_radius * sin(deg * DEG_TO_RAD)));
			big_circle.push_back(glm::vec2(big_radius * cos(deg * DEG_TO_RAD), big_radius * sin(deg * DEG_TO_RAD)));

			if (deg % 30 == 0) {

				ofColor color;
				color.setHsb(ofMap(deg, 0, 360, 0, 255), 180, 255);

				auto in_radius = radius - 10;
				auto out_radius = radius + 10;
				vector<glm::vec2> in;
				vector<glm::vec2> out;
				for (auto tmp_deg = deg; tmp_deg < deg + 25; tmp_deg += 1) {

					in.push_back(glm::vec2(in_radius * cos(tmp_deg * DEG_TO_RAD), in_radius * sin(tmp_deg * DEG_TO_RAD)));
					out.push_back(glm::vec2(out_radius * cos(tmp_deg * DEG_TO_RAD), out_radius * sin(tmp_deg * DEG_TO_RAD)));
				}

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

				ofFill();
				ofSetColor(color);

				ofBeginShape();
				ofVertices(in);
				ofVertices(out);
				ofEndShape(true);

				ofNoFill();
				ofSetColor(39);

				ofBeginShape();
				ofVertices(in);
				ofVertices(out);
				ofEndShape(true);
			}
		}

		ofNoFill();
		ofSetColor(39);

		ofBeginShape();
		ofVertices(small_circle);
		ofEndShape(true);

		ofBeginShape();
		ofVertices(big_circle);
		ofEndShape(true);

		ofPopMatrix();
	}
}

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

}

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

void ofApp::update() {

}

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

void ofApp::draw() {

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

for (auto radius = 150; radius < 720; radius += 60) {

auto noise_deg = ofMap(ofNoise(radius * 0.1 + ofGetFrameNum() * 0.005), 0, 1, -360, 360);

ofPushMatrix();

ofRotate(noise_deg);

auto small_radius = radius - 20;

auto big_radius = radius + 20;

vector<glm::vec2> small_circle;

vector<glm::vec2> big_circle;

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

small_circle.push_back(glm::vec2(small_radius * cos(deg * DEG_TO_RAD), small_radius * sin(deg * DEG_TO_RAD)));

big_circle.push_back(glm::vec2(big_radius * cos(deg * DEG_TO_RAD), big_radius * sin(deg * DEG_TO_RAD)));

if (deg % 30 == 0) {

ofColor color;

color.setHsb(ofMap(deg, 0, 360, 0, 255), 180, 255);

auto in_radius = radius - 10;

auto out_radius = radius + 10;

vector<glm::vec2> in;

vector<glm::vec2> out;

for (auto tmp_deg = deg; tmp_deg < deg + 25; tmp_deg += 1) {

in.push_back(glm::vec2(in_radius * cos(tmp_deg * DEG_TO_RAD), in_radius * sin(tmp_deg * DEG_TO_RAD)));

out.push_back(glm::vec2(out_radius * cos(tmp_deg * DEG_TO_RAD), out_radius * sin(tmp_deg * DEG_TO_RAD)));

}

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

ofFill();

ofSetColor(color);

ofBeginShape();

ofVertices(in);

ofVertices(out);

ofEndShape(true);

ofNoFill();

ofSetColor(39);

ofBeginShape();

ofVertices(in);

ofVertices(out);

ofEndShape(true);

}

ofNoFill();

ofSetColor(39);

ofBeginShape();

ofVertices(small_circle);

ofEndShape(true);

ofBeginShape();

ofVertices(big_circle);

ofEndShape(true);

ofPopMatrix();

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20190715

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2019年7月14日

Collapsing sphere. openFrameworks

[ Video ]

[ About ]
崩壊する球体。

Collapsing sphere.

[ 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) {};

	vector<ofMeshFace> triangles;
	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) {};

vector<ofMeshFace> triangles;

ofEasyCam cam;

};

#include "ofApp.h"	

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

	ofSetFrameRate(60);
	ofSetWindowTitle("openFrameworks");

	ofBackground(239);
	ofSetColor(39);
	ofSetLineWidth(2);
	ofEnableDepthTest();

	auto ico_sphere = ofIcoSpherePrimitive(150, 3);
	this->triangles = ico_sphere.getMesh().getUniqueFaces();
}

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

	ofSeedRandom(39);
}

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

	this->cam.begin();
	ofRotateY(ofGetFrameNum() * 0.5);

	vector<glm::vec3> locations;
	vector<glm::vec3> moving_locations;
	for (auto& triangle : this->triangles) {

		auto avg = glm::vec3(triangle.getVertex(0) + triangle.getVertex(1) + triangle.getVertex(2)) / 3;
		auto param = (int)(ofMap(ofNoise(avg.x * 0.004, avg.y * 0.004, avg.z * 0.004), 0, 1, 0, 650) + ofGetFrameNum()) % 650;
		auto y = 0;
		auto alpha = 255.f;
		if (param > 500) {

			y = ofMap(param, 500, 650, 0, 600);
			auto moving_location = avg + glm::vec3(0, y, 0);
			moving_locations.push_back(moving_location);
		} else {

			locations.push_back(avg);
		}
	}

	for (auto& location : locations) {

		ofDrawSphere(location, 2);
		for (auto& other : locations) {

			if (location == other) { continue; }
			float distance = glm::distance(location, other);
			if (distance < 15) {

				ofDrawLine(location, other);
			}
		}
	}

	for (auto& moving_location : moving_locations) {

		ofDrawSphere(moving_location, 2);
		for (auto& other : moving_locations) {

			if (moving_location == other) { continue; }
			float distance = glm::distance(moving_location, other);
			if (distance < 15) {

				ofDrawLine(moving_location, other);
			}
		}
	}

	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);

ofSetColor(39);

ofSetLineWidth(2);

ofEnableDepthTest();

auto ico_sphere = ofIcoSpherePrimitive(150, 3);

this->triangles = ico_sphere.getMesh().getUniqueFaces();

}

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

void ofApp::update() {

ofSeedRandom(39);

}

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

void ofApp::draw() {

this->cam.begin();

ofRotateY(ofGetFrameNum() * 0.5);

vector<glm::vec3> locations;

vector<glm::vec3> moving_locations;

for (auto& triangle : this->triangles) {

auto avg = glm::vec3(triangle.getVertex(0) + triangle.getVertex(1) + triangle.getVertex(2)) / 3;

auto param = (int)(ofMap(ofNoise(avg.x * 0.004, avg.y * 0.004, avg.z * 0.004), 0, 1, 0, 650) + ofGetFrameNum()) % 650;

auto y = 0;

auto alpha = 255.f;

if (param > 500) {

y = ofMap(param, 500, 650, 0, 600);

auto moving_location = avg + glm::vec3(0, y, 0);

moving_locations.push_back(moving_location);

} else {

locations.push_back(avg);

}

for (auto& location : locations) {

ofDrawSphere(location, 2);

for (auto& other : locations) {

if (location == other) { continue; }

float distance = glm::distance(location, other);

if (distance < 15) {

ofDrawLine(location, other);

}

for (auto& moving_location : moving_locations) {

ofDrawSphere(moving_location, 2);

for (auto& other : moving_locations) {

if (moving_location == other) { continue; }

float distance = glm::distance(moving_location, other);

if (distance < 15) {

ofDrawLine(moving_location, other);

}

this->cam.end();

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20190714

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