circle – ページ 49 – プログラミング de 落描き

2021年5月28日2021年5月28日

sin wave and cos wave. Draw by openFrameworks

[ Video ]

[ About ]
sin wave and cos wave.

[ 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() {

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

	ofBackground(239);
	ofSetColor(39);
	ofSetRectMode(ofRectMode::OF_RECTMODE_CENTER);

	ofSetCircleResolution(60);
}

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

	ofSeedRandom(39);
}

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

	ofTranslate(ofGetWindowSize() * 0.5);

	auto noise_seed = glm::vec2(ofRandom(1000), ofRandom(1000));

	ofSetLineWidth(3);

	ofBeginShape();
	for (int x = 120; x <= 340; x += 1) {

		auto y = sin((x + 340 + ofGetFrameNum()) * 0.05) * 100;

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

	ofBeginShape();
	for (int x = -120; x >= -340; x -= 1) {

		auto y = sin((x + 240 + 340 + ofGetFrameNum()) * 0.05) * 100;

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

	ofBeginShape();
	for (int y = 120; y <= 340; y += 1) {

		auto x = cos((y + 340 + ofGetFrameNum()) * 0.05) * 100;

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

	ofBeginShape();
	for (int y = -120; y >= -340; y -= 1) {

		auto x = cos((y + 240 + 340 + ofGetFrameNum()) * 0.05) * 100;

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

	ofSetLineWidth(1.5);
	ofDrawCircle(0, 0, 93);
	ofDrawCircle(0, 0, 107);

	ofFill();
	auto location = glm::vec2(100 * cos((460 + ofGetFrameNum()) * 0.05), 100 * sin((460 + ofGetFrameNum()) * 0.05));
	ofDrawCircle(location.x, location.y, 6);

	for (int i = 1; i < 10; i++) {

		ofSetColor(ofMap(i, 1, 10, 39, 200));
		auto log = glm::vec2(100 * cos((460 + ofGetFrameNum() - i * 3) * 0.05), 100 * sin((460 + ofGetFrameNum() - i * 3) * 0.05));
		ofDrawCircle(log.x, log.y , 6);
	}

	ofNoFill();
	ofSetColor(39);

	ofDrawLine(glm::vec2(location.x, -120), glm::vec2(location.x, 120));
	ofDrawLine(glm::vec2(120, location.y), glm::vec2(-120, location.y));

	ofDrawLine(glm::vec2(-100, -120), glm::vec2(100, -120));
	ofDrawLine(glm::vec2(-100, 120), glm::vec2(100, 120));

	ofDrawLine(glm::vec2(120, -100), glm::vec2(120, 100));
	ofDrawLine(glm::vec2(-120, -100), glm::vec2(-120, 100));

	ofDrawLine(glm::vec2(-100, -340), glm::vec2(100, -340));
	ofDrawLine(glm::vec2(-100, 340), glm::vec2(100, 340));

	ofDrawLine(glm::vec2(340, -100), glm::vec2(340, 100));
	ofDrawLine(glm::vec2(-340, -100), glm::vec2(-340, 100));

}

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

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

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#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(60);

ofSetWindowTitle("openFrameworks");

ofBackground(239);

ofSetColor(39);

ofSetRectMode(ofRectMode::OF_RECTMODE_CENTER);

ofSetCircleResolution(60);

}

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

void ofApp::update() {

ofSeedRandom(39);

}

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

void ofApp::draw() {

ofTranslate(ofGetWindowSize() * 0.5);

auto noise_seed = glm::vec2(ofRandom(1000), ofRandom(1000));

ofSetLineWidth(3);

ofBeginShape();

for (int x = 120; x <= 340; x += 1) {

auto y = sin((x + 340 + ofGetFrameNum()) * 0.05) * 100;

ofVertex(x, y);

}

ofEndShape();

ofBeginShape();

for (int x = -120; x >= -340; x -= 1) {

auto y = sin((x + 240 + 340 + ofGetFrameNum()) * 0.05) * 100;

ofVertex(x, y);

}

ofEndShape();

ofBeginShape();

for (int y = 120; y <= 340; y += 1) {

auto x = cos((y + 340 + ofGetFrameNum()) * 0.05) * 100;

ofVertex(x, y);

}

ofEndShape();

ofBeginShape();

for (int y = -120; y >= -340; y -= 1) {

auto x = cos((y + 240 + 340 + ofGetFrameNum()) * 0.05) * 100;

ofVertex(x, y);

}

ofEndShape();

ofSetLineWidth(1.5);

ofDrawCircle(0, 0, 93);

ofDrawCircle(0, 0, 107);

ofFill();

auto location = glm::vec2(100 * cos((460 + ofGetFrameNum()) * 0.05), 100 * sin((460 + ofGetFrameNum()) * 0.05));

ofDrawCircle(location.x, location.y, 6);

for (int i = 1; i < 10; i++) {

ofSetColor(ofMap(i, 1, 10, 39, 200));

auto log = glm::vec2(100 * cos((460 + ofGetFrameNum() - i * 3) * 0.05), 100 * sin((460 + ofGetFrameNum() - i * 3) * 0.05));

ofDrawCircle(log.x, log.y , 6);

}

ofNoFill();

ofSetColor(39);

ofDrawLine(glm::vec2(location.x, -120), glm::vec2(location.x, 120));

ofDrawLine(glm::vec2(120, location.y), glm::vec2(-120, location.y));

ofDrawLine(glm::vec2(-100, -120), glm::vec2(100, -120));

ofDrawLine(glm::vec2(-100, 120), glm::vec2(100, 120));

ofDrawLine(glm::vec2(120, -100), glm::vec2(120, 100));

ofDrawLine(glm::vec2(-120, -100), glm::vec2(-120, 100));

ofDrawLine(glm::vec2(-100, -340), glm::vec2(100, -340));

ofDrawLine(glm::vec2(-100, 340), glm::vec2(100, 340));

ofDrawLine(glm::vec2(340, -100), glm::vec2(340, 100));

ofDrawLine(glm::vec2(-340, -100), glm::vec2(-340, 100));

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20210528

2021年5月24日2021年5月24日

Ring & Box. Draw by openFrameworks

[ Video ]

[ About ]
Ring & Box.

[ 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) {};

	void setBoxToMesh(ofMesh& face_target, ofMesh& line_target, glm::vec3 location, float size, ofColor face_color);
	void setBoxToMesh(ofMesh& face_target, ofMesh& line_target, glm::vec3 location, float height, float width, float depth, ofColor face_colorr);

	ofEasyCam cam;
	ofMesh face, line;
	float noise_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) {};

void setBoxToMesh(ofMesh& face_target, ofMesh& line_target, glm::vec3 location, float size, ofColor face_color);

void setBoxToMesh(ofMesh& face_target, ofMesh& line_target, glm::vec3 location, float height, float width, float depth, ofColor face_colorr);

ofEasyCam cam;

ofMesh face, line;

float noise_param;

};

#include "ofApp.h"	

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

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

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

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

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

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

	for (int x = -350; x <= 350; x += 8) {

		for (int y = -350; y <= 350; y += 8) {

			auto height = ofMap(ofNoise(x, y, ofGetFrameNum() * 0.005), 0, 1, 0, 200);
			auto rad = std::atan2(y, x);
			auto noise_value = ofNoise(cos(rad), sin(rad), this->noise_param);
			auto radius = ofMap(noise_value, 0, 1, 100, 350);
			auto distance = glm::distance(glm::vec2(radius * cos(rad), radius * sin(rad)), glm::vec2(x, y));

			if (distance < 50) {
			
				height *= ofMap(distance, 0, 50, 1, 0);
				this->setBoxToMesh(this->face, this->line, glm::vec3(x, y, height * -0.5), 8, 8, height, ofColor(239));
			}
			else {

				this->setBoxToMesh(this->face, this->line, glm::vec3(x, y, -4), 8, 8, 8, ofColor(239));
			}
		}
	}

	if (ofGetFrameNum() % 70 < 45) {

		this->noise_param += ofMap(ofGetFrameNum() % 70, 0, 45, 0.07, 0);
	}
}

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

	this->cam.begin();
	ofRotateX(130);

	this->face.draw();

	ofSetColor(39);
	this->line.drawWireframe();

	ofMesh ring, ring_line;
	ring_line.setMode(ofPrimitiveMode::OF_PRIMITIVE_LINES);
	vector<glm::vec3> vertices;
	for (float deg = 0; deg <= 360; deg += 1) {

		auto noise_value = ofNoise(cos(deg * DEG_TO_RAD), sin(deg * DEG_TO_RAD), this->noise_param);
		auto radius = ofMap(noise_value, 0, 1, 100, 350);
		
		vertices.push_back(glm::vec3((radius - 15) * cos(deg * DEG_TO_RAD), (radius - 15) * sin(deg * DEG_TO_RAD), -300));
		vertices.push_back(glm::vec3((radius + 15) * cos(deg * DEG_TO_RAD), (radius + 15) * sin(deg * DEG_TO_RAD), -300));

		ring.addVertices(vertices);
		ring_line.addVertices(vertices);
		if (deg > 0) {

			ring.addIndex(ring.getNumVertices() - 1); ring.addIndex(ring.getNumVertices() - 2); ring.addIndex(ring.getNumVertices() - 4);
			ring.addIndex(ring.getNumVertices() - 1); ring.addIndex(ring.getNumVertices() - 4); ring.addIndex(ring.getNumVertices() - 5);

			ring_line.addIndex(ring_line.getNumVertices() - 1); ring_line.addIndex(ring_line.getNumVertices() - 3);
			ring_line.addIndex(ring_line.getNumVertices() - 2); ring_line.addIndex(ring_line.getNumVertices() - 4);
		}
	}

	ofSetColor(239);
	ring.draw();
	ofSetColor(39);
	ring_line.drawWireframe();

	this->cam.end();
}

//--------------------------------------------------------------
void ofApp::setBoxToMesh(ofMesh& face_target, ofMesh& line_target, glm::vec3 location, float size, ofColor face_color) {

	this->setBoxToMesh(face_target, line_target, location, size, size, size, face_color);
}

//--------------------------------------------------------------
void ofApp::setBoxToMesh(ofMesh& face_target, ofMesh& line_target, glm::vec3 location, float height, float width, float depth, ofColor face_color) {

	int face_index = face_target.getNumVertices();
	int line_index = line_target.getNumVertices();

	face_target.addVertex(location + glm::vec3(width * -0.5 * 0.99, height * 0.5 * 0.99, depth * -0.5 * 0.99));
	face_target.addVertex(location + glm::vec3(width * 0.5 * 0.99, height * 0.5 * 0.99, depth * -0.5 * 0.99));
	face_target.addVertex(location + glm::vec3(width * 0.5 * 0.99, height * 0.5 * 0.99, depth * 0.5 * 0.99));
	face_target.addVertex(location + glm::vec3(width * -0.5 * 0.99, height * 0.5 * 0.99, depth * 0.5 * 0.99));

	face_target.addVertex(location + glm::vec3(width * -0.5 * 0.99, height * -0.5 * 0.99, depth * -0.5 * 0.99));
	face_target.addVertex(location + glm::vec3(width * 0.5 * 0.99, height * -0.5 * 0.99, depth * -0.5 * 0.99));
	face_target.addVertex(location + glm::vec3(width * 0.5 * 0.99, height * -0.5 * 0.99, depth * 0.5 * 0.99));
	face_target.addVertex(location + glm::vec3(width * -0.5 * 0.99, height * -0.5 * 0.99, depth * 0.5 * 0.99));

	face_target.addIndex(face_index + 0); face_target.addIndex(face_index + 1); face_target.addIndex(face_index + 2);
	face_target.addIndex(face_index + 0); face_target.addIndex(face_index + 2); face_target.addIndex(face_index + 3);

	face_target.addIndex(face_index + 4); face_target.addIndex(face_index + 5); face_target.addIndex(face_index + 6);
	face_target.addIndex(face_index + 4); face_target.addIndex(face_index + 6); face_target.addIndex(face_index + 7);

	face_target.addIndex(face_index + 0); face_target.addIndex(face_index + 4); face_target.addIndex(face_index + 1);
	face_target.addIndex(face_index + 4); face_target.addIndex(face_index + 5); face_target.addIndex(face_index + 1);

	face_target.addIndex(face_index + 1); face_target.addIndex(face_index + 5); face_target.addIndex(face_index + 6);
	face_target.addIndex(face_index + 6); face_target.addIndex(face_index + 2); face_target.addIndex(face_index + 1);

	face_target.addIndex(face_index + 2); face_target.addIndex(face_index + 6); face_target.addIndex(face_index + 7);
	face_target.addIndex(face_index + 7); face_target.addIndex(face_index + 3); face_target.addIndex(face_index + 2);

	face_target.addIndex(face_index + 3); face_target.addIndex(face_index + 7); face_target.addIndex(face_index + 4);
	face_target.addIndex(face_index + 4); face_target.addIndex(face_index + 0); face_target.addIndex(face_index + 3);

	line_target.addVertex(location + glm::vec3(width * -0.5, height * 0.5, depth * -0.5));
	line_target.addVertex(location + glm::vec3(width * 0.5, height * 0.5, depth * -0.5));
	line_target.addVertex(location + glm::vec3(width * 0.5, height * 0.5, depth * 0.5));
	line_target.addVertex(location + glm::vec3(width * -0.5, height * 0.5, depth * 0.5));

	line_target.addVertex(location + glm::vec3(width * -0.5, height * -0.5, depth * -0.5));
	line_target.addVertex(location + glm::vec3(width * 0.5, height * -0.5, depth * -0.5));
	line_target.addVertex(location + glm::vec3(width * 0.5, height * -0.5, depth * 0.5));
	line_target.addVertex(location + glm::vec3(width * -0.5, height * -0.5, depth * 0.5));

	line_target.addIndex(line_index + 0); line_target.addIndex(line_index + 1);
	line_target.addIndex(line_index + 1); line_target.addIndex(line_index + 2);
	line_target.addIndex(line_index + 2); line_target.addIndex(line_index + 3);
	line_target.addIndex(line_index + 3); line_target.addIndex(line_index + 0);

	line_target.addIndex(line_index + 4); line_target.addIndex(line_index + 5);
	line_target.addIndex(line_index + 5); line_target.addIndex(line_index + 6);
	line_target.addIndex(line_index + 6); line_target.addIndex(line_index + 7);
	line_target.addIndex(line_index + 7); line_target.addIndex(line_index + 4);

	line_target.addIndex(line_index + 0); line_target.addIndex(line_index + 4);
	line_target.addIndex(line_index + 1); line_target.addIndex(line_index + 5);
	line_target.addIndex(line_index + 2); line_target.addIndex(line_index + 6);
	line_target.addIndex(line_index + 3); line_target.addIndex(line_index + 7);

	for (int i = 0; i < 8; i++) {

		face_target.addColor(face_color);
	}
}

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

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

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#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(60);

ofSetWindowTitle("openFrameworks");

ofBackground(239);

ofSetLineWidth(2);

ofEnableDepthTest();

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

}

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

void ofApp::update() {

this->face.clear();

this->line.clear();

for (int x = -350; x <= 350; x += 8) {

for (int y = -350; y <= 350; y += 8) {

auto height = ofMap(ofNoise(x, y, ofGetFrameNum() * 0.005), 0, 1, 0, 200);

auto rad = std::atan2(y, x);

auto noise_value = ofNoise(cos(rad), sin(rad), this->noise_param);

auto radius = ofMap(noise_value, 0, 1, 100, 350);

auto distance = glm::distance(glm::vec2(radius * cos(rad), radius * sin(rad)), glm::vec2(x, y));

if (distance < 50) {

height *= ofMap(distance, 0, 50, 1, 0);

this->setBoxToMesh(this->face, this->line, glm::vec3(x, y, height * -0.5), 8, 8, height, ofColor(239));

}

else {

this->setBoxToMesh(this->face, this->line, glm::vec3(x, y, -4), 8, 8, 8, ofColor(239));

}

if (ofGetFrameNum() % 70 < 45) {

this->noise_param += ofMap(ofGetFrameNum() % 70, 0, 45, 0.07, 0);

}

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

void ofApp::draw() {

this->cam.begin();

ofRotateX(130);

this->face.draw();

ofSetColor(39);

this->line.drawWireframe();

ofMesh ring, ring_line;

ring_line.setMode(ofPrimitiveMode::OF_PRIMITIVE_LINES);

vector<glm::vec3> vertices;

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

auto noise_value = ofNoise(cos(deg * DEG_TO_RAD), sin(deg * DEG_TO_RAD), this->noise_param);

auto radius = ofMap(noise_value, 0, 1, 100, 350);

vertices.push_back(glm::vec3((radius - 15) * cos(deg * DEG_TO_RAD), (radius - 15) * sin(deg * DEG_TO_RAD), -300));

vertices.push_back(glm::vec3((radius + 15) * cos(deg * DEG_TO_RAD), (radius + 15) * sin(deg * DEG_TO_RAD), -300));

ring.addVertices(vertices);

ring_line.addVertices(vertices);

if (deg > 0) {

ring.addIndex(ring.getNumVertices() - 1); ring.addIndex(ring.getNumVertices() - 2); ring.addIndex(ring.getNumVertices() - 4);

ring.addIndex(ring.getNumVertices() - 1); ring.addIndex(ring.getNumVertices() - 4); ring.addIndex(ring.getNumVertices() - 5);

ring_line.addIndex(ring_line.getNumVertices() - 1); ring_line.addIndex(ring_line.getNumVertices() - 3);

ring_line.addIndex(ring_line.getNumVertices() - 2); ring_line.addIndex(ring_line.getNumVertices() - 4);

}

ofSetColor(239);

ring.draw();

ofSetColor(39);

ring_line.drawWireframe();

this->cam.end();

}

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

void ofApp::setBoxToMesh(ofMesh& face_target, ofMesh& line_target, glm::vec3 location, float size, ofColor face_color) {

this->setBoxToMesh(face_target, line_target, location, size, size, size, face_color);

}

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

void ofApp::setBoxToMesh(ofMesh& face_target, ofMesh& line_target, glm::vec3 location, float height, float width, float depth, ofColor face_color) {

int face_index = face_target.getNumVertices();

int line_index = line_target.getNumVertices();

face_target.addVertex(location + glm::vec3(width * -0.5 * 0.99, height * 0.5 * 0.99, depth * -0.5 * 0.99));

face_target.addVertex(location + glm::vec3(width * 0.5 * 0.99, height * 0.5 * 0.99, depth * -0.5 * 0.99));

face_target.addVertex(location + glm::vec3(width * 0.5 * 0.99, height * 0.5 * 0.99, depth * 0.5 * 0.99));

face_target.addVertex(location + glm::vec3(width * -0.5 * 0.99, height * 0.5 * 0.99, depth * 0.5 * 0.99));

face_target.addVertex(location + glm::vec3(width * -0.5 * 0.99, height * -0.5 * 0.99, depth * -0.5 * 0.99));

face_target.addVertex(location + glm::vec3(width * 0.5 * 0.99, height * -0.5 * 0.99, depth * -0.5 * 0.99));

face_target.addVertex(location + glm::vec3(width * 0.5 * 0.99, height * -0.5 * 0.99, depth * 0.5 * 0.99));

face_target.addVertex(location + glm::vec3(width * -0.5 * 0.99, height * -0.5 * 0.99, depth * 0.5 * 0.99));

face_target.addIndex(face_index + 0); face_target.addIndex(face_index + 1); face_target.addIndex(face_index + 2);

face_target.addIndex(face_index + 0); face_target.addIndex(face_index + 2); face_target.addIndex(face_index + 3);

face_target.addIndex(face_index + 4); face_target.addIndex(face_index + 5); face_target.addIndex(face_index + 6);

face_target.addIndex(face_index + 4); face_target.addIndex(face_index + 6); face_target.addIndex(face_index + 7);

face_target.addIndex(face_index + 0); face_target.addIndex(face_index + 4); face_target.addIndex(face_index + 1);

face_target.addIndex(face_index + 4); face_target.addIndex(face_index + 5); face_target.addIndex(face_index + 1);

face_target.addIndex(face_index + 1); face_target.addIndex(face_index + 5); face_target.addIndex(face_index + 6);

face_target.addIndex(face_index + 6); face_target.addIndex(face_index + 2); face_target.addIndex(face_index + 1);

face_target.addIndex(face_index + 2); face_target.addIndex(face_index + 6); face_target.addIndex(face_index + 7);

face_target.addIndex(face_index + 7); face_target.addIndex(face_index + 3); face_target.addIndex(face_index + 2);

face_target.addIndex(face_index + 3); face_target.addIndex(face_index + 7); face_target.addIndex(face_index + 4);

face_target.addIndex(face_index + 4); face_target.addIndex(face_index + 0); face_target.addIndex(face_index + 3);

line_target.addVertex(location + glm::vec3(width * -0.5, height * 0.5, depth * -0.5));

line_target.addVertex(location + glm::vec3(width * 0.5, height * 0.5, depth * -0.5));

line_target.addVertex(location + glm::vec3(width * 0.5, height * 0.5, depth * 0.5));

line_target.addVertex(location + glm::vec3(width * -0.5, height * 0.5, depth * 0.5));

line_target.addVertex(location + glm::vec3(width * -0.5, height * -0.5, depth * -0.5));

line_target.addVertex(location + glm::vec3(width * 0.5, height * -0.5, depth * -0.5));

line_target.addVertex(location + glm::vec3(width * 0.5, height * -0.5, depth * 0.5));

line_target.addVertex(location + glm::vec3(width * -0.5, height * -0.5, depth * 0.5));

line_target.addIndex(line_index + 0); line_target.addIndex(line_index + 1);

line_target.addIndex(line_index + 1); line_target.addIndex(line_index + 2);

line_target.addIndex(line_index + 2); line_target.addIndex(line_index + 3);

line_target.addIndex(line_index + 3); line_target.addIndex(line_index + 0);

line_target.addIndex(line_index + 4); line_target.addIndex(line_index + 5);

line_target.addIndex(line_index + 5); line_target.addIndex(line_index + 6);

line_target.addIndex(line_index + 6); line_target.addIndex(line_index + 7);

line_target.addIndex(line_index + 7); line_target.addIndex(line_index + 4);

line_target.addIndex(line_index + 0); line_target.addIndex(line_index + 4);

line_target.addIndex(line_index + 1); line_target.addIndex(line_index + 5);

line_target.addIndex(line_index + 2); line_target.addIndex(line_index + 6);

line_target.addIndex(line_index + 3); line_target.addIndex(line_index + 7);

for (int i = 0; i < 8; i++) {

face_target.addColor(face_color);

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20210524

2021年5月20日2021年5月20日

Pair. Draw by openFrameworks

[ Video ]

[ About ]
Pair.

[ 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) {};

	vector<glm::vec3> location_list;
	vector<ofColor> base_color_list_1, base_color_list_2;

	vector<vector<glm::vec2>> log_list;
	vector<ofColor> color_list;
	vector<float> life_list;
};

#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) {};

vector<glm::vec3> location_list;

vector<ofColor> base_color_list_1, base_color_list_2;

vector<vector<glm::vec2>> log_list;

vector<ofColor> color_list;

vector<float> life_list;

};

#include "ofApp.h"	

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

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

	ofBackground(0);
	ofEnableBlendMode(ofBlendMode::OF_BLENDMODE_ADD);
	ofNoFill();

	ofColor color;
	vector<int> hex_list = { 0xf72585, 0xb5179e, 0x7209b7, 0x480ca8, 0x3f37c9, 0x4cc9f0 };
	for (auto hex : hex_list) {

		color.setHex(hex);
		this->base_color_list_1.push_back(color);
	}

	hex_list = { 0x1f005c, 0x5b0060, 0x870160, 0xac255e, 0xca485c, 0xe16b5c, 0xf39060, 0xffb56b };
	for (auto hex : hex_list) {

		color.setHex(hex);
		this->base_color_list_2.push_back(color);
	}
}

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

	this->location_list.clear();

	for (int i = 0; i < 2; i++) {

		auto location = glm::vec3(200 * cos((ofGetFrameNum() * 0.75 + i * 180) * DEG_TO_RAD), 200 * sin((ofGetFrameNum() * 0.75 + i * 180) * DEG_TO_RAD),  0);

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

			this->location_list.push_back(location + glm::vec3(80 * cos(deg * DEG_TO_RAD), 80 * sin(deg * DEG_TO_RAD), 0));
		}
	}

	int radius = 7;
	while (this->log_list.size() < 2000) {

		int location_index = ofRandom(this->location_list.size());
		vector<glm::vec2> log;
		log.push_back(this->location_list[location_index]);
		this->log_list.push_back(log);

		if (location_index < 360) {

			this->color_list.push_back(this->base_color_list_1[(int)ofRandom(this->base_color_list_1.size())]);
		}
		else {

			this->color_list.push_back(this->base_color_list_2[(int)ofRandom(this->base_color_list_2.size())]);
		}

		this->life_list.push_back(ofRandom(30, 50));
	}

	for (int i = this->log_list.size() - 1; i >= 0; i--) {

		this->life_list[i] -= 1;
		if (this->life_list[i] < 0) {

			this->log_list.erase(this->log_list.begin() + i);
			this->color_list.erase(this->color_list.begin() + i);
			this->life_list.erase(this->life_list.begin() + i);

			continue;
		}

		auto deg = ofMap(ofNoise(glm::vec3(this->log_list[i].back() * 0.008, ofGetFrameNum() * 0.003)), 0, 1, -360, 360);
		this->log_list[i].push_back(this->log_list[i].back() + glm::vec2(radius * cos(deg * DEG_TO_RAD), radius * sin(deg * DEG_TO_RAD)));
		while (this->log_list[i].size() > 100) {

			this->log_list[i].erase(this->log_list[i].begin());
		}
	}
}

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

	ofTranslate(ofGetWindowSize() * 0.5);

	for (int i = 0; i < this->log_list.size(); i++) {

		ofSetColor(this->color_list[i]);

		if (this->life_list[i] > 30) {

			ofSetLineWidth(1.2);
		}
		else {

			ofSetLineWidth(ofMap(this->life_list[i], 0, 30, 0, 1.2));
		}

		ofBeginShape();
		ofVertices(this->log_list[i]);
		ofEndShape();
	}

	ofSetLineWidth(2);

	ofSetColor(this->base_color_list_1.back());
	ofDrawCircle(glm::vec2(200 * cos((ofGetFrameNum() * 0.75) * DEG_TO_RAD), 200 * sin((ofGetFrameNum() * 0.75) * DEG_TO_RAD)), 80);

	ofSetColor(this->base_color_list_2.back());
	ofDrawCircle(glm::vec2(200 * cos((ofGetFrameNum() * 0.75 + 180) * DEG_TO_RAD), 200 * sin((ofGetFrameNum() * 0.75 + 180) * DEG_TO_RAD)), 80);

}

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

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

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#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(60);

ofSetWindowTitle("openFrameworks");

ofBackground(0);

ofEnableBlendMode(ofBlendMode::OF_BLENDMODE_ADD);

ofNoFill();

ofColor color;

vector<int> hex_list = { 0xf72585, 0xb5179e, 0x7209b7, 0x480ca8, 0x3f37c9, 0x4cc9f0 };

for (auto hex : hex_list) {

color.setHex(hex);

this->base_color_list_1.push_back(color);

}

hex_list = { 0x1f005c, 0x5b0060, 0x870160, 0xac255e, 0xca485c, 0xe16b5c, 0xf39060, 0xffb56b };

for (auto hex : hex_list) {

color.setHex(hex);

this->base_color_list_2.push_back(color);

}

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

void ofApp::update() {

this->location_list.clear();

for (int i = 0; i < 2; i++) {

auto location = glm::vec3(200 * cos((ofGetFrameNum() * 0.75 + i * 180) * DEG_TO_RAD), 200 * sin((ofGetFrameNum() * 0.75 + i * 180) * DEG_TO_RAD), 0);

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

this->location_list.push_back(location + glm::vec3(80 * cos(deg * DEG_TO_RAD), 80 * sin(deg * DEG_TO_RAD), 0));

}

int radius = 7;

while (this->log_list.size() < 2000) {

int location_index = ofRandom(this->location_list.size());

vector<glm::vec2> log;

log.push_back(this->location_list[location_index]);

this->log_list.push_back(log);

if (location_index < 360) {

this->color_list.push_back(this->base_color_list_1[(int)ofRandom(this->base_color_list_1.size())]);

}

else {

this->color_list.push_back(this->base_color_list_2[(int)ofRandom(this->base_color_list_2.size())]);

}

this->life_list.push_back(ofRandom(30, 50));

}

for (int i = this->log_list.size() - 1; i >= 0; i--) {

this->life_list[i] -= 1;

if (this->life_list[i] < 0) {

this->log_list.erase(this->log_list.begin() + i);

this->color_list.erase(this->color_list.begin() + i);

this->life_list.erase(this->life_list.begin() + i);

continue;

}

auto deg = ofMap(ofNoise(glm::vec3(this->log_list[i].back() * 0.008, ofGetFrameNum() * 0.003)), 0, 1, -360, 360);

this->log_list[i].push_back(this->log_list[i].back() + glm::vec2(radius * cos(deg * DEG_TO_RAD), radius * sin(deg * DEG_TO_RAD)));

while (this->log_list[i].size() > 100) {

this->log_list[i].erase(this->log_list[i].begin());

}

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

void ofApp::draw() {

ofTranslate(ofGetWindowSize() * 0.5);

for (int i = 0; i < this->log_list.size(); i++) {

ofSetColor(this->color_list[i]);

if (this->life_list[i] > 30) {

ofSetLineWidth(1.2);

}

else {

ofSetLineWidth(ofMap(this->life_list[i], 0, 30, 0, 1.2));

}

ofBeginShape();

ofVertices(this->log_list[i]);

ofEndShape();

}

ofSetLineWidth(2);

ofSetColor(this->base_color_list_1.back());

ofDrawCircle(glm::vec2(200 * cos((ofGetFrameNum() * 0.75) * DEG_TO_RAD), 200 * sin((ofGetFrameNum() * 0.75) * DEG_TO_RAD)), 80);

ofSetColor(this->base_color_list_2.back());

ofDrawCircle(glm::vec2(200 * cos((ofGetFrameNum() * 0.75 + 180) * DEG_TO_RAD), 200 * sin((ofGetFrameNum() * 0.75 + 180) * DEG_TO_RAD)), 80);

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20210520

2025年4月
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