Remake of April 22, 2018. openFrameworks – プログラミング de 落描き

[ Video ]

[ About ]
Today’s theme for the #dailycodingchallenge was “Tow years ago”.
I have remade my April 22, 2018 post.
It looks the same, but the source code is very different.

[ 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::vec3 make_point(float R, float r, float u, float v);
	
	ofEasyCam cam;
	ofMesh r_frame, b_frame;
};

#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::vec3 make_point(float R, float r, float u, float v);

ofEasyCam cam;

ofMesh r_frame, b_frame;

};

#include "ofApp.h"

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

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

	ofBackground(239);
	ofEnableDepthTest();

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

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

	ofSeedRandom(39);

	this->r_frame.clear();
	this->b_frame.clear();

	float R = 350;
	float r = 50;

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

		int index = this->r_frame.getNumVertices();

		this->r_frame.addVertex(this->make_point(R, r, deg * 8 + ofGetFrameNum(), deg));
		this->r_frame.addVertex(this->make_point(R, r, deg * 8 + ofGetFrameNum(), deg + 10));

		this->r_frame.addIndex(index + 0);
		this->r_frame.addIndex(index + 1);

		index = this->b_frame.getNumVertices();

		this->b_frame.addVertex(this->make_point(R, r, deg * 8 + ofGetFrameNum() + 180, deg));
		this->b_frame.addVertex(this->make_point(R, r, deg * 8 + ofGetFrameNum() + 180, deg + 10));

		this->b_frame.addIndex(index + 0);
		this->b_frame.addIndex(index + 1);
	}
}

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

	this->cam.begin();

	ofSetColor(239, 39, 39);
	this->r_frame.drawWireframe();

	for (auto& location : this->r_frame.getVertices()) {

		ofDrawSphere(location, 2);
	}

	ofSetColor(39, 39, 239);
	this->b_frame.drawWireframe();

	for (auto& location : this->b_frame.getVertices()) {

		ofDrawSphere(location, 2);
	}

	this->cam.end();
}

//--------------------------------------------------------------
glm::vec3 ofApp::make_point(float R, float r, float u, float v) {

	// 数学デッサン教室 描いて楽しむ数学たち　P.31

	u *= DEG_TO_RAD;
	v *= DEG_TO_RAD;

	auto x = (R + r * cos(u)) * cos(v);
	auto y = (R + r * cos(u)) * sin(v);
	auto z = r * sin(u);

	return glm::vec3(x, y, z);
}

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

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

#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(60);

ofSetWindowTitle("openFrameworks");

ofBackground(239);

ofEnableDepthTest();

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

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

}

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

void ofApp::update() {

ofSeedRandom(39);

this->r_frame.clear();

this->b_frame.clear();

float R = 350;

float r = 50;

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

int index = this->r_frame.getNumVertices();

this->r_frame.addVertex(this->make_point(R, r, deg * 8 + ofGetFrameNum(), deg));

this->r_frame.addVertex(this->make_point(R, r, deg * 8 + ofGetFrameNum(), deg + 10));

this->r_frame.addIndex(index + 0);

this->r_frame.addIndex(index + 1);

index = this->b_frame.getNumVertices();

this->b_frame.addVertex(this->make_point(R, r, deg * 8 + ofGetFrameNum() + 180, deg));

this->b_frame.addVertex(this->make_point(R, r, deg * 8 + ofGetFrameNum() + 180, deg + 10));

this->b_frame.addIndex(index + 0);

this->b_frame.addIndex(index + 1);

}

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

void ofApp::draw() {

this->cam.begin();

ofSetColor(239, 39, 39);

this->r_frame.drawWireframe();

for (auto& location : this->r_frame.getVertices()) {

ofDrawSphere(location, 2);

}

ofSetColor(39, 39, 239);

this->b_frame.drawWireframe();

for (auto& location : this->b_frame.getVertices()) {

ofDrawSphere(location, 2);

}

this->cam.end();

}

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

glm::vec3 ofApp::make_point(float R, float r, float u, float v) {

// 数学デッサン教室描いて楽しむ数学たち　P.31

u *= DEG_TO_RAD;

v *= DEG_TO_RAD;

auto x = (R + r * cos(u)) * cos(v);

auto y = (R + r * cos(u)) * sin(v);

auto z = r * sin(u);

return glm::vec3(x, y, z);

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20200422

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