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2022年10月31日

Connecting circles and squares. Draw by openFrameworks

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円と四角形をつなげる。

[ 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) {};

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

	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) {};

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

ofEasyCam cam;

};

#include "ofApp.h"

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

	ofSetFrameRate(30);
	ofSetWindowTitle("openframeworks");

	ofBackground(0);
	ofSetLineWidth(2);
	ofSetRectMode(ofRectMode::OF_RECTMODE_CENTER);
}

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

}

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

	this->cam.begin();

	int radius = 240;
	int len = radius * 2.5;

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

		int deg = (param * 3.6 - 135);
		deg += ofMap(ofNoise(ofGetFrameNum() * 0.01), 0, 1, -730, 720);

		auto location_1 = glm::vec3(radius * cos(deg * DEG_TO_RAD), radius * sin(deg * DEG_TO_RAD), 0);
		auto location_2 = this->make_point(len, param);

		ofDrawLine(location_1, location_2);

		ofDrawCircle(location_1, 3);
		ofDrawRectangle(location_2, 6, 6);
	}

	this->cam.end();
}

//--------------------------------------------------------------
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(30);

ofSetWindowTitle("openframeworks");

ofBackground(0);

ofSetLineWidth(2);

ofSetRectMode(ofRectMode::OF_RECTMODE_CENTER);

}

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

void ofApp::update() {

}

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

void ofApp::draw() {

this->cam.begin();

int radius = 240;

int len = radius * 2.5;

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

int deg = (param * 3.6 - 135);

deg += ofMap(ofNoise(ofGetFrameNum() * 0.01), 0, 1, -730, 720);

auto location_1 = glm::vec3(radius * cos(deg * DEG_TO_RAD), radius * sin(deg * DEG_TO_RAD), 0);

auto location_2 = this->make_point(len, param);

ofDrawLine(location_1, location_2);

ofDrawCircle(location_1, 3);

ofDrawRectangle(location_2, 6, 6);

}

this->cam.end();

}

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

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/Insta20221031

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2022年8月13日

Blue panel spinning. Draw by openFrameworks

[ Video ]

[ About ]
くるくる正方形。

[ 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() {

	ofSetWindowTitle("openFrameworks");
	ofSetFrameRate(30);

	ofBackground(255);
	ofSetColor(0);
	ofNoFill();
	ofSetLineWidth(3);
	ofEnableDepthTest();
	ofSetRectMode(ofRectMode::OF_RECTMODE_CENTER);
}

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

	ofSeedRandom(39);
}

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

	ofTranslate(ofGetWindowSize() * 0.5);

	auto noise_seed = glm::vec3(ofRandom(1000), ofRandom(1000), ofRandom(1000));
	for (int x = -330; x <= 330; x += 30) {

		for (int y = -330; y <= 330; y += 30) {

			ofPushMatrix();
			ofTranslate(x, y);

			auto distance = glm::length(glm::vec2(x, y));
			
			auto x_value = ofNoise(noise_seed.x, distance * 0.001 - ofGetFrameNum() * 0.01);
			auto y_value = ofNoise(noise_seed.y, distance * 0.001 - ofGetFrameNum() * 0.01);
			auto z_value = ofNoise(noise_seed.z, distance * 0.001 - ofGetFrameNum() * 0.01);

			auto x_deg = x_value < 0.35 ? ofMap(x_value, 0, 0.35, -180, 0) : x_value > 0.75 ? ofMap(x_value, 0.75, 1, 0, 180) : 0;
			auto y_deg = y_value < 0.35 ? ofMap(y_value, 0, 0.35, -180, 0) : y_value > 0.75 ? ofMap(y_value, 0.75, 1, 0, 180) : 0;
			auto z_deg = z_value < 0.35 ? ofMap(z_value, 0, 0.35, -180, 0) : z_value > 0.75 ? ofMap(z_value, 0.75, 1, 0, 180) : 0;

			ofRotateZ(z_deg);
			ofRotateY(y_deg);
			ofRotateX(x_deg);

			ofFill();
			ofSetColor(0, 0, 255, 128);
			ofDrawRectangle(glm::vec2(), 30, 30);

			ofNoFill();
			ofSetColor(0, 0, 255);
			ofDrawRectangle(glm::vec2(), 30, 30);

			ofPopMatrix();
		}
	}
}

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

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

#include "ofApp.h"

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

void ofApp::setup() {

ofSetWindowTitle("openFrameworks");

ofSetFrameRate(30);

ofBackground(255);

ofSetColor(0);

ofNoFill();

ofSetLineWidth(3);

ofEnableDepthTest();

ofSetRectMode(ofRectMode::OF_RECTMODE_CENTER);

}

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

void ofApp::update() {

ofSeedRandom(39);

}

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

void ofApp::draw() {

ofTranslate(ofGetWindowSize() * 0.5);

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

for (int x = -330; x <= 330; x += 30) {

for (int y = -330; y <= 330; y += 30) {

ofPushMatrix();

ofTranslate(x, y);

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

auto x_value = ofNoise(noise_seed.x, distance * 0.001 - ofGetFrameNum() * 0.01);

auto y_value = ofNoise(noise_seed.y, distance * 0.001 - ofGetFrameNum() * 0.01);

auto z_value = ofNoise(noise_seed.z, distance * 0.001 - ofGetFrameNum() * 0.01);

auto x_deg = x_value < 0.35 ? ofMap(x_value, 0, 0.35, -180, 0) : x_value > 0.75 ? ofMap(x_value, 0.75, 1, 0, 180) : 0;

auto y_deg = y_value < 0.35 ? ofMap(y_value, 0, 0.35, -180, 0) : y_value > 0.75 ? ofMap(y_value, 0.75, 1, 0, 180) : 0;

auto z_deg = z_value < 0.35 ? ofMap(z_value, 0, 0.35, -180, 0) : z_value > 0.75 ? ofMap(z_value, 0.75, 1, 0, 180) : 0;

ofRotateZ(z_deg);

ofRotateY(y_deg);

ofRotateX(x_deg);

ofFill();

ofSetColor(0, 0, 255, 128);

ofDrawRectangle(glm::vec2(), 30, 30);

ofNoFill();

ofSetColor(0, 0, 255);

ofDrawRectangle(glm::vec2(), 30, 30);

ofPopMatrix();

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20220813

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2022年7月30日

Rainbow rectangle. Draw by openFrameworks

[ Video ]

[ About ]
四角い虹。

Rainbow rectangle.

[ 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) {};

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

	ofEasyCam cam;

	ofMesh face, line;
};

#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);

ofEasyCam cam;

ofMesh face, line;

};

#include "ofApp.h"

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

	ofSetFrameRate(30);
	ofSetWindowTitle("openframeworks");

	ofBackground(0);
	ofSetLineWidth(2);
	ofEnableDepthTest();

	this->line.setMode(ofPrimitiveMode::OF_PRIMITIVE_LINES);
}

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

	this->face.clear();
	this->line.clear();

	int len = 300;
	int width = 50;
	ofColor color;
	for (int y = -300; y <= 300; y += width) {

		int start_param = ofMap(ofNoise(y * 0.008, ofGetFrameNum() * 0.0035), 0, 1, 0, 720);
		int end_param = start_param + 70;
		color.setHsb(ofMap(y, -300, 300, 0, 255), 230, 255);
		int line_start_index = this->line.getNumVertices();

		for (int param = start_param; param <= end_param; param++) {

			vector<glm::vec3> vertices;
			vertices.push_back(glm::vec3(this->make_point(len, param), width *  0.5 + y));
			vertices.push_back(glm::vec3(this->make_point(len, param), width * -0.5 + y));

			this->face.addVertices(vertices);
			this->line.addVertices(vertices);

			this->face.addColor(color);
			this->face.addColor(color);

			this->line.addColor(ofColor(255));
			this->line.addColor(ofColor(255));

			if (param > start_param) {

				this->face.addIndex(this->face.getNumVertices() - 1); this->face.addIndex(this->face.getNumVertices() - 2); this->face.addIndex(this->face.getNumVertices() - 4);
				this->face.addIndex(this->face.getNumVertices() - 1); this->face.addIndex(this->face.getNumVertices() - 3); this->face.addIndex(this->face.getNumVertices() - 4);

				this->line.addIndex(this->line.getNumVertices() - 1); this->line.addIndex(this->line.getNumVertices() - 3);
				this->line.addIndex(this->line.getNumVertices() - 2); this->line.addIndex(this->line.getNumVertices() - 4);
				
			}
		}

		this->line.addIndex(this->line.getNumVertices() - 1); this->line.addIndex(this->line.getNumVertices() - 2);
		this->line.addIndex(line_start_index); this->line.addIndex(line_start_index + 1);
	}
}

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

	this->cam.begin();
	ofRotateY(ofGetFrameNum() * 1.333333333333);

	this->face.draw();
	this->line.drawWireframe();

	this->cam.end();
}

//--------------------------------------------------------------
glm::vec2 ofApp::make_point(int len, int param) {

	param = param % 100;
	if (param < 25) {

		return glm::vec2(ofMap(param, 0, 25, -len, len), -len * 0.5);
	}
	else if (param < 50) {

		return glm::vec2(len, ofMap(param, 25, 50, -len * 0.5, len * 0.5));
	}
	else if (param < 75) {

		return glm::vec2(ofMap(param, 50, 75, len, -len), len * 0.5);
	}
	else {

		return glm::vec2(-len, ofMap(param, 75, 100, len * 0.5, -len * 0.5));
	}
}

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

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

100

101

102

#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(30);

ofSetWindowTitle("openframeworks");

ofBackground(0);

ofSetLineWidth(2);

ofEnableDepthTest();

this->line.setMode(ofPrimitiveMode::OF_PRIMITIVE_LINES);

}

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

void ofApp::update() {

this->face.clear();

this->line.clear();

int len = 300;

int width = 50;

ofColor color;

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

int start_param = ofMap(ofNoise(y * 0.008, ofGetFrameNum() * 0.0035), 0, 1, 0, 720);

int end_param = start_param + 70;

color.setHsb(ofMap(y, -300, 300, 0, 255), 230, 255);

int line_start_index = this->line.getNumVertices();

for (int param = start_param; param <= end_param; param++) {

vector<glm::vec3> vertices;

vertices.push_back(glm::vec3(this->make_point(len, param), width * 0.5 + y));

vertices.push_back(glm::vec3(this->make_point(len, param), width * -0.5 + y));

this->face.addVertices(vertices);

this->line.addVertices(vertices);

this->face.addColor(color);

this->line.addColor(ofColor(255));

if (param > start_param) {

this->face.addIndex(this->face.getNumVertices() - 1); this->face.addIndex(this->face.getNumVertices() - 2); this->face.addIndex(this->face.getNumVertices() - 4);

this->face.addIndex(this->face.getNumVertices() - 1); this->face.addIndex(this->face.getNumVertices() - 3); this->face.addIndex(this->face.getNumVertices() - 4);

this->line.addIndex(this->line.getNumVertices() - 1); this->line.addIndex(this->line.getNumVertices() - 3);

this->line.addIndex(this->line.getNumVertices() - 2); this->line.addIndex(this->line.getNumVertices() - 4);

}

this->line.addIndex(this->line.getNumVertices() - 1); this->line.addIndex(this->line.getNumVertices() - 2);

this->line.addIndex(line_start_index); this->line.addIndex(line_start_index + 1);

}

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

void ofApp::draw() {

this->cam.begin();

ofRotateY(ofGetFrameNum() * 1.333333333333);

this->face.draw();

this->line.drawWireframe();

this->cam.end();

}

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

glm::vec2 ofApp::make_point(int len, int param) {

param = param % 100;

if (param < 25) {

return glm::vec2(ofMap(param, 0, 25, -len, len), -len * 0.5);

}

else if (param < 50) {

return glm::vec2(len, ofMap(param, 25, 50, -len * 0.5, len * 0.5));

}

else if (param < 75) {

return glm::vec2(ofMap(param, 50, 75, len, -len), len * 0.5);

}

else {

return glm::vec2(-len, 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/Insta20220730

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2024年4月
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