2021年11月4日 – プログラミング de 落描き

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円周から箱が重ならない大きさを計算する。

Calculate the size of the non-overlapping boxes from the circumference.

[ 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(30);
	ofSetWindowTitle("openFrameworks");

	ofBackground(0);
	ofEnableDepthTest();
}

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

	ofSeedRandom(39);
}

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

	this->cam.begin();
	ofRotateX(290);
	
	auto small_radius = 0.f; 
	for (auto radius = 50; radius <= 360; radius += small_radius * 2) {

		auto deg_span = 10;
		small_radius = (radius * 2 * PI) / 360 * deg_span * 0.5;
		auto size = (small_radius * 2) / sqrt(3);
		auto noise_seed = glm::vec3(ofRandom(1000), ofRandom(1000), ofRandom(1000));
		auto deg_start = ofGetFrameNum();

		for (int deg = deg_start; deg < deg_start + 360; deg += deg_span) {

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

			auto rotate_x = ofMap(ofNoise(glm::vec4(noise_seed.x, location * 0.0015)), 0, 1, -360, 360);
			auto rotate_y = ofMap(ofNoise(glm::vec4(noise_seed.y, location * 0.0015)), 0, 1, -360, 360);
			auto rotate_z = ofMap(ofNoise(glm::vec4(noise_seed.z, location * 0.0015)), 0, 1, -360, 360);

			ofPushMatrix();
			ofTranslate(location);

			ofRotateZ(rotate_z);
			ofRotateY(rotate_y);
			ofRotateX(rotate_x);

			ofFill();
			ofSetColor(0);
			ofDrawBox(size);

			ofNoFill();
			ofSetColor(255);
			ofDrawBox(size);

			ofPopMatrix();
		}
	}

	this->cam.end();
}

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

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

#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(30);

ofSetWindowTitle("openFrameworks");

ofBackground(0);

ofEnableDepthTest();

}

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

void ofApp::update() {

ofSeedRandom(39);

}

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

void ofApp::draw() {

this->cam.begin();

ofRotateX(290);

auto small_radius = 0.f;

for (auto radius = 50; radius <= 360; radius += small_radius * 2) {

auto deg_span = 10;

small_radius = (radius * 2 * PI) / 360 * deg_span * 0.5;

auto size = (small_radius * 2) / sqrt(3);

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

auto deg_start = ofGetFrameNum();

for (int deg = deg_start; deg < deg_start + 360; deg += deg_span) {

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

auto rotate_x = ofMap(ofNoise(glm::vec4(noise_seed.x, location * 0.0015)), 0, 1, -360, 360);

auto rotate_y = ofMap(ofNoise(glm::vec4(noise_seed.y, location * 0.0015)), 0, 1, -360, 360);

auto rotate_z = ofMap(ofNoise(glm::vec4(noise_seed.z, location * 0.0015)), 0, 1, -360, 360);

ofPushMatrix();

ofTranslate(location);

ofRotateZ(rotate_z);

ofRotateY(rotate_y);

ofRotateX(rotate_x);

ofFill();

ofSetColor(0);

ofDrawBox(size);

ofNoFill();

ofSetColor(255);

ofDrawBox(size);

ofPopMatrix();

}

this->cam.end();

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20211104

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日: 2021年11月4日

Square rings. Draw by openFrameworks