Torus – ページ 27 – プログラミング de 落描き

2020年7月24日

Crumbling torus. Draw by openFrameworks

[ video ]

[ About ]
崩れるトーラス。

crumbling torus.

[ 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 face, 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 face, frame;

};

#include "ofApp.h"

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

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

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

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

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

	ofSeedRandom(39);

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

	int R = 100;
	int u = 0;
	int u_step = 10;
	int v_step = 5;

	for (int i = 0; i < 36; i++) {

		float angle_z = (i * 5) * DEG_TO_RAD;
		auto rotation_z = glm::rotate(glm::mat4(), angle_z, glm::vec3(0, 0, 1));

		auto noise_value = ofNoise(glm::vec3(cos(angle_z), sin(angle_z), ofGetFrameNum() * 0.01));
		int r = 15;
		if (noise_value > 0.55) {

			r = ofMap(noise_value, 0.55, 1, 15, 35);
		}

		for (auto v = 0; v < 360; v += v_step) {

			vector<glm::vec3> vertices{
				glm::vec4(this->make_point(R, r, u, v), 0) * rotation_z,
				glm::vec4(this->make_point(R, r, u + u_step, v + v_step), 0) * rotation_z,
				glm::vec4(this->make_point(R, r, u, v + v_step), 0) * rotation_z,
				glm::vec4(this->make_point(R, r, u - u_step, v), 0) * rotation_z
			};

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

			auto index = this->face.getVertices().size() - 1;

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

			this->frame.addIndex(index - 3); this->frame.addIndex(index - 2);
			this->frame.addIndex(index); this->frame.addIndex(index - 1);

			u += u_step;
		}
	}
}

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

	this->cam.begin();

	ofSetColor(239);
	this->face.draw();

	ofSetColor(39);
	this->frame.draw();

	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());
}

100

#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(60);

ofSetWindowTitle("openframeworks");

ofBackground(239);

ofSetLineWidth(2);

ofEnableDepthTest();

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

}

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

void ofApp::update() {

ofSeedRandom(39);

this->face.clear();

this->frame.clear();

int R = 100;

int u = 0;

int u_step = 10;

int v_step = 5;

for (int i = 0; i < 36; i++) {

float angle_z = (i * 5) * DEG_TO_RAD;

auto rotation_z = glm::rotate(glm::mat4(), angle_z, glm::vec3(0, 0, 1));

auto noise_value = ofNoise(glm::vec3(cos(angle_z), sin(angle_z), ofGetFrameNum() * 0.01));

int r = 15;

if (noise_value > 0.55) {

r = ofMap(noise_value, 0.55, 1, 15, 35);

}

for (auto v = 0; v < 360; v += v_step) {

vector<glm::vec3> vertices{

glm::vec4(this->make_point(R, r, u, v), 0) * rotation_z,

glm::vec4(this->make_point(R, r, u + u_step, v + v_step), 0) * rotation_z,

glm::vec4(this->make_point(R, r, u, v + v_step), 0) * rotation_z,

glm::vec4(this->make_point(R, r, u - u_step, v), 0) * rotation_z

};

this->face.addVertices(vertices);

this->frame.addVertices(vertices);

auto index = this->face.getVertices().size() - 1;

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

this->face.addIndex(index); this->face.addIndex(index - 3); this->face.addIndex(index - 1);

this->frame.addIndex(index - 3); this->frame.addIndex(index - 2);

this->frame.addIndex(index); this->frame.addIndex(index - 1);

u += u_step;

}

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

void ofApp::draw() {

this->cam.begin();

ofSetColor(239);

this->face.draw();

ofSetColor(39);

this->frame.draw();

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/Insta20200724

[ほしいものリスト]
Amazon

[ Sponsor Link ]

2020年4月27日

Velocity visualization of moving torus coordinates. openFrameworks

[ Video ]

[ About ]
Velocity visualization of moving torus coordinates.

[ 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;

	int number_of_obj;
	vector<glm::vec3> location_list;
	vector<glm::vec3> velocity_list;
	vector<float> life_list;

	ofMesh face, 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;

int number_of_obj;

vector<glm::vec3> location_list;

vector<glm::vec3> velocity_list;

vector<float> life_list;

ofMesh face, frame;

};

#include "ofApp.h"

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

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

	ofBackground(239);
	ofEnableDepthTest();

	float R = 120;
	float r = 13;	
	int v_span = 8;
	int u_span = 10;

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

		for (auto u = 0; u < 360; u += u_span) {

			vector<glm::vec3> vertices;
			vertices.push_back(this->make_point(R, r, u, v - v_span * 0.5));
			vertices.push_back(this->make_point(R, r, u + u_span, v - v_span * 0.5));
			vertices.push_back(this->make_point(R, r, u + u_span, v + v_span * 0.5));
			vertices.push_back(this->make_point(R, r, u, v + v_span * 0.5));

			int index = face.getNumVertices();
			this->face.addVertices(vertices);

			this->face.addIndex(index + 0); face.addIndex(index + 1); face.addIndex(index + 2);
			this->face.addIndex(index + 0); face.addIndex(index + 2); face.addIndex(index + 3);

		}
	}

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

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

	float R = 120;
	float r = 15;
	for (int deg = 0; deg < 360; deg += 30) {

		float v = ofGetFrameNum() * 0.25 + deg;
		float u = (ofGetFrameNum() + deg * 2) * 10;
		float next_v = (ofGetFrameNum() + 1) * 0.25 + deg;
		float next_u = (ofGetFrameNum() + 1 + deg * 2) * 10;

		auto location = this->make_point(R, r, u, v);
		auto next = this->make_point(R, r, next_u, next_v);
		auto distance = location - next;
		
		auto future = glm::vec3(location) + distance * 80;
		auto random_deg_1 = ofRandom(360);
		auto random_deg_2 = ofRandom(360);
		future += glm::vec3(
			30 * cos(random_deg_1 * DEG_TO_RAD) * sin(random_deg_2 * DEG_TO_RAD),
			30 * sin(random_deg_1 * DEG_TO_RAD) * sin(random_deg_2 * DEG_TO_RAD),
			30 * cos(random_deg_2 * DEG_TO_RAD)
		);
		auto future_distance = future - location;
		
		this->frame.addVertex(location);
		this->velocity_list.push_back(glm::normalize(future_distance) * glm::length(distance));
		this->life_list.push_back(100);
	}

	for (int i = 0; i < this->frame.getNumVertices(); i++) {

		this->frame.setVertex(i, this->frame.getVertex(i) + this->velocity_list[i]);
		this->life_list[i] += -3;
	}

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

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

			this->life_list.erase(this->life_list.begin() + i);
			this->velocity_list.erase(this->velocity_list.begin() + i);
			this->frame.removeVertex(i);
		}
	}

	this->frame.clearIndices();
	this->frame.clearColors();
	for (int i = 0; i < this->frame.getNumVertices(); i++) {

		this->frame.addColor(ofColor(39, ofMap(this->life_list[i], 0, 100, 0, 255)));
		for (int k = i + 1; k < this->frame.getNumVertices(); k += 1) {

			if (glm::distance(this->frame.getVertex(i), this->frame.getVertex(k)) < 15) {

				this->frame.addIndex(i); this->frame.addIndex(k);
			}
		}
	}
}

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

	this->cam.begin();
	ofRotateX(290);

	ofSetColor(239);
	this->face.draw();

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

	for (int i = 0; i < this->frame.getNumVertices(); i++) {

		ofSetColor(ofColor(39, ofMap(this->life_list[i], 0, 100, 0, 255)));
		ofDrawSphere(this->frame.getVertex(i), 1);
	}

	this->frame.drawWireframe();

	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());
}

100

101

102

103

104

105

106

107

108

109

110

111

112

113

114

115

116

117

118

119

120

121

122

123

124

125

126

127

128

129

130

131

132

133

134

135

136

137

138

139

140

141

142

143

144

#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(60);

ofSetWindowTitle("openframeworks");

ofBackground(239);

ofEnableDepthTest();

float R = 120;

float r = 13;

int v_span = 8;

int u_span = 10;

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

for (auto u = 0; u < 360; u += u_span) {

vector<glm::vec3> vertices;

vertices.push_back(this->make_point(R, r, u, v - v_span * 0.5));

vertices.push_back(this->make_point(R, r, u + u_span, v - v_span * 0.5));

vertices.push_back(this->make_point(R, r, u + u_span, v + v_span * 0.5));

vertices.push_back(this->make_point(R, r, u, v + v_span * 0.5));

int index = face.getNumVertices();

this->face.addVertices(vertices);

this->face.addIndex(index + 0); face.addIndex(index + 1); face.addIndex(index + 2);

this->face.addIndex(index + 0); face.addIndex(index + 2); face.addIndex(index + 3);

}

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

}

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

void ofApp::update() {

float R = 120;

float r = 15;

for (int deg = 0; deg < 360; deg += 30) {

float v = ofGetFrameNum() * 0.25 + deg;

float u = (ofGetFrameNum() + deg * 2) * 10;

float next_v = (ofGetFrameNum() + 1) * 0.25 + deg;

float next_u = (ofGetFrameNum() + 1 + deg * 2) * 10;

auto location = this->make_point(R, r, u, v);

auto next = this->make_point(R, r, next_u, next_v);

auto distance = location - next;

auto future = glm::vec3(location) + distance * 80;

auto random_deg_1 = ofRandom(360);

auto random_deg_2 = ofRandom(360);

future += glm::vec3(

30 * cos(random_deg_1 * DEG_TO_RAD) * sin(random_deg_2 * DEG_TO_RAD),

30 * sin(random_deg_1 * DEG_TO_RAD) * sin(random_deg_2 * DEG_TO_RAD),

30 * cos(random_deg_2 * DEG_TO_RAD)

);

auto future_distance = future - location;

this->frame.addVertex(location);

this->velocity_list.push_back(glm::normalize(future_distance) * glm::length(distance));

this->life_list.push_back(100);

}

for (int i = 0; i < this->frame.getNumVertices(); i++) {

this->frame.setVertex(i, this->frame.getVertex(i) + this->velocity_list[i]);

this->life_list[i] += -3;

}

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

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

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

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

this->frame.removeVertex(i);

}

this->frame.clearIndices();

this->frame.clearColors();

for (int i = 0; i < this->frame.getNumVertices(); i++) {

this->frame.addColor(ofColor(39, ofMap(this->life_list[i], 0, 100, 0, 255)));

for (int k = i + 1; k < this->frame.getNumVertices(); k += 1) {

if (glm::distance(this->frame.getVertex(i), this->frame.getVertex(k)) < 15) {

this->frame.addIndex(i); this->frame.addIndex(k);

}

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

void ofApp::draw() {

this->cam.begin();

ofRotateX(290);

ofSetColor(239);

this->face.draw();

ofSetColor(39);

this->face.drawWireframe();

for (int i = 0; i < this->frame.getNumVertices(); i++) {

ofSetColor(ofColor(39, ofMap(this->life_list[i], 0, 100, 0, 255)));

ofDrawSphere(this->frame.getVertex(i), 1);

}

this->frame.drawWireframe();

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/Insta20200427

[ほしいものリスト]
Amazon

[ Sponsor Link ]

2020年4月13日

Ring of Torus. openFrameworks

[ Video ]

[ About ]
Ring of Torus.

[ 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;
};

#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;

};

#include "ofApp.h"

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

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

	ofBackground(239);
	ofEnableDepthTest();
}

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

	ofSeedRandom(39);
}

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

	auto R = 200;
	auto r = 35;
	auto v_span = 8;
	auto u_span = 10;
	auto v = 0;

	this->cam.begin();
	ofRotateX(300);

	ofColor color;
	for (auto deg = 0; deg < 360; deg += v_span) {

		color.setHsb(ofMap(deg, 0, 360, 0, 255), 255, 255);

		ofMesh face, frame;
		frame.setMode(ofPrimitiveMode::OF_PRIMITIVE_LINES);

		for (auto u = 0; u < 360; u += u_span) {

			vector<glm::vec3> vertices;
			vertices.push_back(this->make_point(R, r, u, v - v_span * 0.5));
			vertices.push_back(this->make_point(R, r, u + u_span, v - v_span * 0.5));
			vertices.push_back(this->make_point(R, r, u + u_span, v + v_span * 0.5));
			vertices.push_back(this->make_point(R, r, u, v + v_span * 0.5));

			int index = face.getNumVertices();
			face.addVertices(vertices);
			frame.addVertices(vertices);

			face.addIndex(index + 0); face.addIndex(index + 1); face.addIndex(index + 2);
			face.addIndex(index + 0); face.addIndex(index + 2); face.addIndex(index + 3);

			frame.addIndex(index + 0); frame.addIndex(index + 1);
			frame.addIndex(index + 1); frame.addIndex(index + 2);
			frame.addIndex(index + 2); frame.addIndex(index + 3);
			frame.addIndex(index + 3); frame.addIndex(index + 0);
		}

		ofPushMatrix();
		ofRotateZ(deg);

		int n = 360 / v_span;
		int frame_number = ofGetFrameNum() * 8;
		int param = frame_number % (360 * n) - (v_span * n * 0.5);
		if (deg * n >= param && deg * n < param + v_span * n){
		
			ofRotateY(frame_number);
		}
		else {

			param = (frame_number + 180 * n) % (360 * n) - (v_span * n * 0.5);
			if (deg * n >= param && deg * n < param + v_span * n) {

				ofRotateY(frame_number * -1);
			}
		}

		ofSetColor(239);
		face.drawFaces();

		ofSetColor(39);
		frame.drawWireframe();

		ofPopMatrix();
	}

	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());
}

100

101

102

103

104

105

106

107

108

109

110

111

#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(60);

ofSetWindowTitle("openframeworks");

ofBackground(239);

ofEnableDepthTest();

}

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

void ofApp::update() {

ofSeedRandom(39);

}

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

void ofApp::draw() {

auto R = 200;

auto r = 35;

auto v_span = 8;

auto u_span = 10;

auto v = 0;

this->cam.begin();

ofRotateX(300);

ofColor color;

for (auto deg = 0; deg < 360; deg += v_span) {

color.setHsb(ofMap(deg, 0, 360, 0, 255), 255, 255);

ofMesh face, frame;

frame.setMode(ofPrimitiveMode::OF_PRIMITIVE_LINES);

for (auto u = 0; u < 360; u += u_span) {

vector<glm::vec3> vertices;

vertices.push_back(this->make_point(R, r, u, v - v_span * 0.5));

vertices.push_back(this->make_point(R, r, u + u_span, v - v_span * 0.5));

vertices.push_back(this->make_point(R, r, u + u_span, v + v_span * 0.5));

vertices.push_back(this->make_point(R, r, u, v + v_span * 0.5));

int index = face.getNumVertices();

face.addVertices(vertices);

frame.addVertices(vertices);

face.addIndex(index + 0); face.addIndex(index + 1); face.addIndex(index + 2);

face.addIndex(index + 0); face.addIndex(index + 2); face.addIndex(index + 3);

frame.addIndex(index + 0); frame.addIndex(index + 1);

frame.addIndex(index + 1); frame.addIndex(index + 2);

frame.addIndex(index + 2); frame.addIndex(index + 3);

frame.addIndex(index + 3); frame.addIndex(index + 0);

}

ofPushMatrix();

ofRotateZ(deg);

int n = 360 / v_span;

int frame_number = ofGetFrameNum() * 8;

int param = frame_number % (360 * n) - (v_span * n * 0.5);

if (deg * n >= param && deg * n < param + v_span * n){

ofRotateY(frame_number);

}

else {

param = (frame_number + 180 * n) % (360 * n) - (v_span * n * 0.5);

if (deg * n >= param && deg * n < param + v_span * n) {

ofRotateY(frame_number * -1);

}

ofSetColor(239);

face.drawFaces();

ofSetColor(39);

frame.drawWireframe();

ofPopMatrix();

}

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/Insta20200413

[ほしいものリスト]
Amazon

[ Sponsor Link ]

2024年5月
月	火	水	木	金	土	日
		1	2	3	4	5
6	7	8	9	10	11	12
13	14	15	16	17	18	19
20	21	22	23	24	25	26
27	28	29	30	31