sphere – ページ 61 – プログラミング de 落描き

2019年4月3日2019年4月3日

Ring on the sphere. openFrameworks

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[ About ]
球体上の輪

Ring on the 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) {};

	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(60);
	ofSetWindowTitle("openframeworks");

	ofBackground(239);
	ofSetColor(39);
	ofEnableDepthTest();
}

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

}

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

	this->cam.begin();
	ofRotateX(270);
	
	int radius = 300;

	for (int i = 0; i < 10; i++) {
	
		int theta = (ofGetFrameNum() + i * 18) % 180;
		vector<glm::vec3> vertices;
		vector<glm::vec3> sub_vertices;
		for (int deg = 0; deg <= 360; deg += 3) {

			auto location = glm::vec3(radius * cos(deg * DEG_TO_RAD) * sin(theta * DEG_TO_RAD),
				radius * sin(deg * DEG_TO_RAD) * sin(theta * DEG_TO_RAD),
				radius * cos(theta * DEG_TO_RAD));
			vertices.push_back(location);

			if (theta + 5 < 180) {

				auto sub_location = glm::vec3(radius * cos(deg * DEG_TO_RAD) * sin((theta + 5) *DEG_TO_RAD),
					radius * sin(deg * DEG_TO_RAD) * sin((theta + 5) * DEG_TO_RAD),
					radius * cos((theta + 5) * DEG_TO_RAD));
				sub_vertices.push_back(sub_location);
			}
		}

		

		ofBeginShape();
		ofVertices(vertices);
		if (sub_vertices.size() > 0) {

			std::reverse(sub_vertices.begin(), sub_vertices.end());
			ofVertices(sub_vertices);
		}
		ofEndShape();
	}

	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);

ofEnableDepthTest();

}

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

void ofApp::update() {

}

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

void ofApp::draw() {

this->cam.begin();

ofRotateX(270);

int radius = 300;

for (int i = 0; i < 10; i++) {

int theta = (ofGetFrameNum() + i * 18) % 180;

vector<glm::vec3> vertices;

vector<glm::vec3> sub_vertices;

for (int deg = 0; deg <= 360; deg += 3) {

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

radius * sin(deg * DEG_TO_RAD) * sin(theta * DEG_TO_RAD),

radius * cos(theta * DEG_TO_RAD));

vertices.push_back(location);

if (theta + 5 < 180) {

auto sub_location = glm::vec3(radius * cos(deg * DEG_TO_RAD) * sin((theta + 5) *DEG_TO_RAD),

radius * sin(deg * DEG_TO_RAD) * sin((theta + 5) * DEG_TO_RAD),

radius * cos((theta + 5) * DEG_TO_RAD));

sub_vertices.push_back(sub_location);

}

ofBeginShape();

ofVertices(vertices);

if (sub_vertices.size() > 0) {

std::reverse(sub_vertices.begin(), sub_vertices.end());

ofVertices(sub_vertices);

}

ofEndShape();

}

this->cam.end();

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20190403

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2019年3月27日2019年3月27日

Box disappears when sphere approaches. openFrameworks

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[ About ]
球体が近づくと消える箱

Box disappears when 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 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 windowResized(int w, int h) {};

void dragEvent(ofDragInfo dragInfo) {};

void gotMessage(ofMessage msg) {};

ofEasyCam cam;

};

#include "ofApp.h"

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

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

	ofBackground(239);
	ofSetColor(39);
	ofEnableDepthTest();
}

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

	ofSeedRandom(39);
}

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

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

	vector<glm::vec3> noise_locations;
	for (int i = 0; i < 6; i++) {

		noise_locations.push_back(glm::vec3(ofMap(ofNoise(ofRandom(1000), ofGetFrameNum() * 0.005), 0, 1, -800, 800), ofMap(ofNoise(ofRandom(1000), ofGetFrameNum() * 0.005), 0, 1, -800, 800), ofMap(ofNoise(ofRandom(1000), ofGetFrameNum() * 0.005), 0, 1, -800, 800)));
	}

	int span = 72;
	for (int x = ofGetWidth() * -0.5; x <= ofGetWidth() * 0.5; x += span) {

		for (int y = ofGetHeight() * -0.5; y <= ofGetHeight() * 0.5; y += span) {

			for (int z = -360; z <= 360; z += span) {

				auto location = glm::vec3(x, y, z);
				auto draw_flag = true;
				for (auto& noise_location : noise_locations) {

					if (glm::distance(location, noise_location) < 250) {

						draw_flag = false;
						break;
					}
				}

				if (draw_flag) {

					ofFill();
					ofSetColor(39);
					ofDrawBox(location, span * 0.85);

					ofNoFill();
					ofSetColor(239);
					ofDrawBox(location, span * 0.86);
				}
			}
		}
	}

	ofFill();
	ofSetColor(39);
	for (auto& noise_location : noise_locations) {

		ofDrawSphere(noise_location, 50);
	}

	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);

ofEnableDepthTest();

}

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

void ofApp::update() {

ofSeedRandom(39);

}

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

void ofApp::draw() {

this->cam.begin();

ofRotateY(ofGetFrameNum() * 0.5);

vector<glm::vec3> noise_locations;

for (int i = 0; i < 6; i++) {

noise_locations.push_back(glm::vec3(ofMap(ofNoise(ofRandom(1000), ofGetFrameNum() * 0.005), 0, 1, -800, 800), ofMap(ofNoise(ofRandom(1000), ofGetFrameNum() * 0.005), 0, 1, -800, 800), ofMap(ofNoise(ofRandom(1000), ofGetFrameNum() * 0.005), 0, 1, -800, 800)));

}

int span = 72;

for (int x = ofGetWidth() * -0.5; x <= ofGetWidth() * 0.5; x += span) {

for (int y = ofGetHeight() * -0.5; y <= ofGetHeight() * 0.5; y += span) {

for (int z = -360; z <= 360; z += span) {

auto location = glm::vec3(x, y, z);

auto draw_flag = true;

for (auto& noise_location : noise_locations) {

if (glm::distance(location, noise_location) < 250) {

draw_flag = false;

break;

}

if (draw_flag) {

ofFill();

ofSetColor(39);

ofDrawBox(location, span * 0.85);

ofNoFill();

ofSetColor(239);

ofDrawBox(location, span * 0.86);

}

ofFill();

ofSetColor(39);

for (auto& noise_location : noise_locations) {

ofDrawSphere(noise_location, 50);

}

this->cam.end();

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20190327

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2019年3月25日2019年3月25日

Surface of torus part 2. openFrameworks

[ Video ]

[ About ]
トーラス面遊びその2

SSurface of torus part 2.

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

	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) {};

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

ofEasyCam cam;

};

#include "ofApp.h"

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

	ofSetFrameRate(60);
	ofSetWindowTitle("openframeworks");

	ofBackground(39);
	ofSetLineWidth(3);
	ofEnableDepthTest();
}

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

	ofSeedRandom(39);
}

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

	this->cam.begin();

	glm::vec3 point_base = glm::vec3(300 * cos((2 * ofGetFrameNum() % 360) * DEG_TO_RAD), 300 * sin((2 * ofGetFrameNum() % 360) * DEG_TO_RAD), 0);
	for (int v = 0; v < 360; v += 10) {

		for (int u = 0; u < 360; u += 20) {

			glm::vec3 point = glm::vec3(300 * cos(v * DEG_TO_RAD), 300 * sin(v * DEG_TO_RAD), 0);

			float r = 50;
			float noise_value = ofNoise(ofRandom(1000), ofGetFrameNum() * 0.01);
			float distance = glm::distance(point, point_base);
			if (distance < 200) {
				
				float noise_param = ofMap(distance, 200, 0, 0, 1);
				r += 150 * (noise_value * noise_param);
			}
			
			ofSetColor(39);
			ofFill();

			ofBeginShape();
			ofVertex(this->make_point(300, r, u - 10, v - 5));
			ofVertex(this->make_point(300, r, u + 10, v - 5));
			ofVertex(this->make_point(300, r, u + 10, v + 5));
			ofVertex(this->make_point(300, r, u - 10, v + 5));
			ofEndShape(true);

			ofSetColor(239);
			ofNoFill();

			ofBeginShape();
			ofVertex(this->make_point(300, r, u - 9.9, v - 4.9));
			ofVertex(this->make_point(300, r, u + 9.9, v - 4.9));
			ofVertex(this->make_point(300, r, u + 9.9, v + 4.9));
			ofVertex(this->make_point(300, r, u - 9.9, v + 4.9));
			ofEndShape(true);
		}
	}

	ofDrawSphere(point_base, 10);

	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;

	float x = (R + r * cos(u)) * cos(v);
	float y = (R + r * cos(u)) * sin(v);
	float 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(39);

ofSetLineWidth(3);

ofEnableDepthTest();

}

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

void ofApp::update() {

ofSeedRandom(39);

}

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

void ofApp::draw() {

this->cam.begin();

glm::vec3 point_base = glm::vec3(300 * cos((2 * ofGetFrameNum() % 360) * DEG_TO_RAD), 300 * sin((2 * ofGetFrameNum() % 360) * DEG_TO_RAD), 0);

for (int v = 0; v < 360; v += 10) {

for (int u = 0; u < 360; u += 20) {

glm::vec3 point = glm::vec3(300 * cos(v * DEG_TO_RAD), 300 * sin(v * DEG_TO_RAD), 0);

float r = 50;

float noise_value = ofNoise(ofRandom(1000), ofGetFrameNum() * 0.01);

float distance = glm::distance(point, point_base);

if (distance < 200) {

float noise_param = ofMap(distance, 200, 0, 0, 1);

r += 150 * (noise_value * noise_param);

}

ofSetColor(39);

ofFill();

ofBeginShape();

ofVertex(this->make_point(300, r, u - 10, v - 5));

ofVertex(this->make_point(300, r, u + 10, v - 5));

ofVertex(this->make_point(300, r, u + 10, v + 5));

ofVertex(this->make_point(300, r, u - 10, v + 5));

ofEndShape(true);

ofSetColor(239);

ofNoFill();

ofBeginShape();

ofVertex(this->make_point(300, r, u - 9.9, v - 4.9));

ofVertex(this->make_point(300, r, u + 9.9, v - 4.9));

ofVertex(this->make_point(300, r, u + 9.9, v + 4.9));

ofVertex(this->make_point(300, r, u - 9.9, v + 4.9));

ofEndShape(true);

}

ofDrawSphere(point_base, 10);

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;

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

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

float 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/Insta20190325

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