openFrameworks – ページ 354 – プログラミング de 落描き

2021年12月27日2021年12月27日

Break out the shell. Draw by openFrameworks

[ Video ]

[ About ]
ノイズの値で変化する球体と変化しない球体。

Spheres that change with the value of noise and spheres that do not change.

[ 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;
	vector<ofMeshFace> triangle_list;
	ofMesh mesh, yolk;
};

#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;

vector<ofMeshFace> triangle_list;

ofMesh mesh, yolk;

};

#include "ofApp.h"

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

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

	ofBackground(255);
	ofEnableDepthTest();
	
	auto ico_sphere = ofIcoSpherePrimitive(250, 5);
	this->triangle_list = ico_sphere.getMesh().getUniqueFaces();
}

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

	this->mesh.clear();
	this->yolk.clear();

	for (auto& triangle : this->triangle_list) {

		glm::vec3 avg = (triangle.getVertex(0) + triangle.getVertex(1) + triangle.getVertex(2)) / 3;

		vector<glm::vec3> vertices;
		vertices.push_back(triangle.getVertex(0));
		vertices.push_back(triangle.getVertex(1));
		vertices.push_back(triangle.getVertex(2));

		for (auto& vertex : vertices) {

			auto noise_value = 0.28 + ofNoise(glm::vec4(vertex * 0.01, ofGetFrameNum() * 0.0065));
			noise_value = pow(noise_value, 2);
			auto noise_radius = 280 * noise_value;
			vertex = glm::normalize(vertex) * noise_radius;
		}

		this->yolk.addVertices(vertices);
		this->yolk.addTriangle(this->yolk.getNumVertices() - 1, this->yolk.getNumVertices() - 2, this->yolk.getNumVertices() - 3);
	}

	for (auto& triangle : this->triangle_list) {

		glm::vec3 avg = (triangle.getVertex(0) + triangle.getVertex(1) + triangle.getVertex(2)) / 3;
		auto noise_value = 0.28 + ofNoise(glm::vec4(avg * 0.01, ofGetFrameNum() * 0.0065));
		noise_value = pow(noise_value, 2);
		auto noise_radius = 280 * noise_value;
		
		if (noise_radius < 180) {

			this->mesh.addVertex(triangle.getVertex(0));
			this->mesh.addVertex(triangle.getVertex(1));
			this->mesh.addVertex(triangle.getVertex(2));
		}
	}
}

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

	this->cam.begin();
	ofRotateY(ofGetFrameNum() * -0.3333);

	ofSetColor(255);
	
	this->mesh.draw();

	ofSetLineWidth(1);
	this->yolk.drawWireframe();

	ofSetColor(0);

	ofSetLineWidth(2);
	this->mesh.drawWireframe();

	this->yolk.draw();

	this->cam.end();
}

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

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

#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(60);

ofSetWindowTitle("openframeworks");

ofBackground(255);

ofEnableDepthTest();

auto ico_sphere = ofIcoSpherePrimitive(250, 5);

this->triangle_list = ico_sphere.getMesh().getUniqueFaces();

}

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

void ofApp::update() {

this->mesh.clear();

this->yolk.clear();

for (auto& triangle : this->triangle_list) {

glm::vec3 avg = (triangle.getVertex(0) + triangle.getVertex(1) + triangle.getVertex(2)) / 3;

vector<glm::vec3> vertices;

vertices.push_back(triangle.getVertex(0));

vertices.push_back(triangle.getVertex(1));

vertices.push_back(triangle.getVertex(2));

for (auto& vertex : vertices) {

auto noise_value = 0.28 + ofNoise(glm::vec4(vertex * 0.01, ofGetFrameNum() * 0.0065));

noise_value = pow(noise_value, 2);

auto noise_radius = 280 * noise_value;

vertex = glm::normalize(vertex) * noise_radius;

}

this->yolk.addVertices(vertices);

this->yolk.addTriangle(this->yolk.getNumVertices() - 1, this->yolk.getNumVertices() - 2, this->yolk.getNumVertices() - 3);

}

for (auto& triangle : this->triangle_list) {

glm::vec3 avg = (triangle.getVertex(0) + triangle.getVertex(1) + triangle.getVertex(2)) / 3;

auto noise_value = 0.28 + ofNoise(glm::vec4(avg * 0.01, ofGetFrameNum() * 0.0065));

noise_value = pow(noise_value, 2);

auto noise_radius = 280 * noise_value;

if (noise_radius < 180) {

this->mesh.addVertex(triangle.getVertex(0));

this->mesh.addVertex(triangle.getVertex(1));

this->mesh.addVertex(triangle.getVertex(2));

}

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

void ofApp::draw() {

this->cam.begin();

ofRotateY(ofGetFrameNum() * -0.3333);

ofSetColor(255);

this->mesh.draw();

ofSetLineWidth(1);

this->yolk.drawWireframe();

ofSetColor(0);

ofSetLineWidth(2);

this->mesh.drawWireframe();

this->yolk.draw();

this->cam.end();

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20211227

[ほしいものリスト]
Amazon

[ Sponsor Link ]

2021年12月26日2021年12月26日

Active boxes colorful. Draw by openFrameworks

[ Video ]

[ About ]
動いている箱だけに色を付ける。

Color only the boxes that are moving.

[ Source ]

#pragma once
#include "ofMain.h"

class Actor {
public:
	Actor(vector<glm::vec3>& location_list, vector<vector<int>>& next_index_list, vector<int>& destination_list);
	void update(const int& frame_span, vector<glm::vec3>& location_list, vector<vector<int>>& next_index_list, vector<int>& destination_list);
	glm::vec3 getLocation();
	deque<glm::vec3> getLog();
	bool isActive();
	float getHue();

private:

	int select_index;
	int next_index;
	float hue;

	glm::vec3 location;
	deque<glm::vec3> log;
};

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<vector<int>> next_index_list;
	vector<int> destination_list;

	vector<unique_ptr<Actor>> actor_list;

	ofEasyCam cam;
};

#pragma once

#include "ofMain.h"

class Actor {

public:

Actor(vector<glm::vec3>& location_list, vector<vector<int>>& next_index_list, vector<int>& destination_list);

void update(const int& frame_span, vector<glm::vec3>& location_list, vector<vector<int>>& next_index_list, vector<int>& destination_list);

glm::vec3 getLocation();

deque<glm::vec3> getLog();

bool isActive();

float getHue();

private:

int select_index;

int next_index;

float hue;

glm::vec3 location;

deque<glm::vec3> log;

};

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<vector<int>> next_index_list;

vector<int> destination_list;

vector<unique_ptr<Actor>> actor_list;

ofEasyCam cam;

};

#include "ofApp.h"	

//--------------------------------------------------------------
Actor::Actor(vector<glm::vec3>& location_list, vector<vector<int>>& next_index_list, vector<int>& destination_list) {

	this->select_index = ofRandom(location_list.size());
	while (true) {

		auto itr = find(destination_list.begin(), destination_list.end(), this->select_index);
		if (itr == destination_list.end()) {

			destination_list.push_back(this->select_index);
			break;
		}

		this->select_index = (this->select_index + 1) % location_list.size();
	}

	this->next_index = this->select_index;
	this->hue = ofRandom(255);
}

//--------------------------------------------------------------
void Actor::update(const int& frame_span, vector<glm::vec3>& location_list, vector<vector<int>>& next_index_list, vector<int>& destination_list) {

	if (ofGetFrameNum() % frame_span == 0) {

		auto tmp_index = this->select_index;
		this->select_index = this->next_index;
		int retry = next_index_list[this->select_index].size();
		this->next_index = next_index_list[this->select_index][(int)ofRandom(next_index_list[this->select_index].size())];
		while (--retry > 0) {

			auto destination_itr = find(destination_list.begin(), destination_list.end(), this->next_index);
			if (destination_itr == destination_list.end()) {

				if (tmp_index != this->next_index) {

					destination_list.push_back(this->next_index);
					break;
				}
			}

			this->next_index = next_index_list[this->select_index][(this->next_index + 1) % next_index_list[this->select_index].size()];
		}
		if (retry <= 0) {

			destination_list.push_back(this->select_index);
			this->next_index = this->select_index;
		}
	}

	auto param = ofGetFrameNum() % frame_span;
	auto distance = location_list[this->next_index] - location_list[this->select_index];
	this->location = location_list[this->select_index] + distance / frame_span * param;

	this->log.push_front(this->location);
	while (this->log.size() > 50) { this->log.pop_back(); }
}

//--------------------------------------------------------------
glm::vec3 Actor::getLocation() {

	return this->location;
}

//--------------------------------------------------------------
deque<glm::vec3> Actor::getLog() {

	return this->log;
}

//--------------------------------------------------------------
bool Actor::isActive() {

	return this->select_index != this->next_index;
}

//--------------------------------------------------------------
float Actor::getHue() {
	
	return this->hue;
}

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

	ofSetFrameRate(30);
	ofSetWindowTitle("openFrameworks");

	ofBackground(0);
	ofSetLineWidth(1.5);
	ofEnableDepthTest();

	for (int x = -250; x <= 250; x += 25) {

		for (int y = -250; y <= 250; y += 25) {

			for (int z = -250; z <= 250; z += 25) {

				if (glm::length(glm::vec3(x, y, z)) < 250) {

					this->location_list.push_back(glm::vec3(x, y, z));
				}
			}
		}
	}

	for (auto& location : this->location_list) {

		vector<int> next_index = vector<int>();
		int index = -1;
		for (auto& other : this->location_list) {

			index++;
			if (location == other) { continue; }

			float distance = glm::distance(location, other);
			if (distance <= 25) {

				next_index.push_back(index);
			}
		}

		this->next_index_list.push_back(next_index);
	}

	for (int i = 0; i < 3500; i++) {

		this->actor_list.push_back(make_unique<Actor>(this->location_list, this->next_index_list, this->destination_list));
	}
}

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

	int frame_span = 20;
	int prev_index_size = 0;

	if (ofGetFrameNum() % frame_span == 0) {

		prev_index_size = this->destination_list.size();
	}

	for (auto& actor : this->actor_list) {

		actor->update(frame_span, this->location_list, this->next_index_list, this->destination_list);
	}

	if (prev_index_size != 0) {

		this->destination_list.erase(this->destination_list.begin(), this->destination_list.begin() + prev_index_size);
	}
}

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

	this->cam.begin();
	ofRotateY(ofGetFrameNum() * 0.6666666666666666);

	for (auto& actor : this->actor_list) {

		ofColor fill_color;

		if (actor->isActive()) {

			if (ofGetFrameNum() % 20 < 10) {

				fill_color.setHsb(actor->getHue(), 130, ofMap(ofGetFrameNum() % 20, 0, 10, 0, 255));
				ofSetColor(fill_color);
			}
			else {

				fill_color.setHsb(actor->getHue(), 130, ofMap(ofGetFrameNum() % 20, 10, 20, 255, 0));
				ofSetColor(fill_color);
			}
			
		}
		else {

			ofSetColor(0);
		}
		ofFill();
		ofDrawBox(actor->getLocation(), 23);

		if (actor->isActive()) {

			if (ofGetFrameNum() % 20 < 10) {

				ofSetColor(ofMap(ofGetFrameNum() % 20, 0, 10, 255, 0));
			}
			else {

				ofSetColor(ofMap(ofGetFrameNum() % 20, 10, 20, 0, 255));
			}

		}
		else {

			ofSetColor(255);
		}
		ofNoFill();
		ofDrawBox(actor->getLocation(), 23);
	}

	this->cam.end();
}


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

145

146

147

148

149

150

151

152

153

154

155

156

157

158

159

160

161

162

163

164

165

166

167

168

169

170

171

172

173

174

175

176

177

178

179

180

181

182

183

184

185

186

187

188

189

190

191

192

193

194

195

196

197

198

199

200

201

202

203

204

205

206

207

208

209

210

211

212

213

214

215

216

#include "ofApp.h"

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

Actor::Actor(vector<glm::vec3>& location_list, vector<vector<int>>& next_index_list, vector<int>& destination_list) {

this->select_index = ofRandom(location_list.size());

while (true) {

auto itr = find(destination_list.begin(), destination_list.end(), this->select_index);

if (itr == destination_list.end()) {

destination_list.push_back(this->select_index);

break;

}

this->select_index = (this->select_index + 1) % location_list.size();

}

this->next_index = this->select_index;

this->hue = ofRandom(255);

}

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

void Actor::update(const int& frame_span, vector<glm::vec3>& location_list, vector<vector<int>>& next_index_list, vector<int>& destination_list) {

if (ofGetFrameNum() % frame_span == 0) {

auto tmp_index = this->select_index;

this->select_index = this->next_index;

int retry = next_index_list[this->select_index].size();

this->next_index = next_index_list[this->select_index][(int)ofRandom(next_index_list[this->select_index].size())];

while (--retry > 0) {

auto destination_itr = find(destination_list.begin(), destination_list.end(), this->next_index);

if (destination_itr == destination_list.end()) {

if (tmp_index != this->next_index) {

destination_list.push_back(this->next_index);

break;

}

this->next_index = next_index_list[this->select_index][(this->next_index + 1) % next_index_list[this->select_index].size()];

}

if (retry <= 0) {

destination_list.push_back(this->select_index);

this->next_index = this->select_index;

}

auto param = ofGetFrameNum() % frame_span;

auto distance = location_list[this->next_index] - location_list[this->select_index];

this->location = location_list[this->select_index] + distance / frame_span * param;

this->log.push_front(this->location);

while (this->log.size() > 50) { this->log.pop_back(); }

}

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

glm::vec3 Actor::getLocation() {

return this->location;

}

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

deque<glm::vec3> Actor::getLog() {

return this->log;

}

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

bool Actor::isActive() {

return this->select_index != this->next_index;

}

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

float Actor::getHue() {

return this->hue;

}

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

void ofApp::setup() {

ofSetFrameRate(30);

ofSetWindowTitle("openFrameworks");

ofBackground(0);

ofSetLineWidth(1.5);

ofEnableDepthTest();

for (int x = -250; x <= 250; x += 25) {

for (int y = -250; y <= 250; y += 25) {

for (int z = -250; z <= 250; z += 25) {

if (glm::length(glm::vec3(x, y, z)) < 250) {

this->location_list.push_back(glm::vec3(x, y, z));

}

for (auto& location : this->location_list) {

vector<int> next_index = vector<int>();

int index = -1;

for (auto& other : this->location_list) {

index++;

if (location == other) { continue; }

float distance = glm::distance(location, other);

if (distance <= 25) {

next_index.push_back(index);

}

this->next_index_list.push_back(next_index);

}

for (int i = 0; i < 3500; i++) {

this->actor_list.push_back(make_unique<Actor>(this->location_list, this->next_index_list, this->destination_list));

}

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

void ofApp::update() {

int frame_span = 20;

int prev_index_size = 0;

if (ofGetFrameNum() % frame_span == 0) {

prev_index_size = this->destination_list.size();

}

for (auto& actor : this->actor_list) {

actor->update(frame_span, this->location_list, this->next_index_list, this->destination_list);

}

if (prev_index_size != 0) {

this->destination_list.erase(this->destination_list.begin(), this->destination_list.begin() + prev_index_size);

}

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

void ofApp::draw() {

this->cam.begin();

ofRotateY(ofGetFrameNum() * 0.6666666666666666);

for (auto& actor : this->actor_list) {

ofColor fill_color;

if (actor->isActive()) {

if (ofGetFrameNum() % 20 < 10) {

fill_color.setHsb(actor->getHue(), 130, ofMap(ofGetFrameNum() % 20, 0, 10, 0, 255));

ofSetColor(fill_color);

}

else {

fill_color.setHsb(actor->getHue(), 130, ofMap(ofGetFrameNum() % 20, 10, 20, 255, 0));

ofSetColor(fill_color);

}

else {

ofSetColor(0);

}

ofFill();

ofDrawBox(actor->getLocation(), 23);

if (actor->isActive()) {

if (ofGetFrameNum() % 20 < 10) {

ofSetColor(ofMap(ofGetFrameNum() % 20, 0, 10, 255, 0));

}

else {

ofSetColor(ofMap(ofGetFrameNum() % 20, 10, 20, 0, 255));

}

else {

ofSetColor(255);

}

ofNoFill();

ofDrawBox(actor->getLocation(), 23);

}

this->cam.end();

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20211226

[ほしいものリスト]
Amazon

[ Sponsor Link ]

2021年12月25日

Symmetrical ribbons flower. Draw by openFrameworks

[ Video ]

[ About ]
リボンを対称に描写する。

Describe the ribbons symmetrically.

[ 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;
	ofMesh face, line;
};

#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;

ofMesh face, line;

};

#include "ofApp.h"

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

	ofSetFrameRate(30);
	ofSetWindowTitle("openFrameworks");

	ofBackground(0);
	ofEnableDepthTest();
	ofSetLineWidth(2);

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

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

	ofSeedRandom(39);

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

	auto noise_seed = glm::vec2(ofRandom(1000), ofRandom(1000));
	int start_index = this->face.getNumVertices();
	for (float x = 128; x < 255; x += 1) {

		float next_x = x + 1;
		int index = this->face.getNumVertices();

		float angle_x = ofMap(ofNoise(noise_seed.x, x * 0.0035 + ofGetFrameNum() * 0.01), 0, 1, PI * -2, PI * 2);
		auto rotation_x = glm::rotate(glm::mat4(), angle_x, glm::vec3(1, 0, 0));

		float angle_y = ofMap(ofNoise(noise_seed.y, x * 0.0035 + ofGetFrameNum() * 0.01), 0, 1, PI * -2, PI * 2);
		auto rotation_y = glm::rotate(glm::mat4(), angle_y, glm::vec3(0, 1, 0));

		float next_angle_x = ofMap(ofNoise(noise_seed.x, next_x * 0.0035 + ofGetFrameNum() * 0.01), 0, 1, PI * -2, PI * 2);
		auto next_rotation_x = glm::rotate(glm::mat4(), next_angle_x, glm::vec3(1, 0, 0));

		float next_angle_y = ofMap(ofNoise(noise_seed.y, next_x * 0.0035 + ofGetFrameNum() * 0.01), 0, 1, PI * -2, PI * 2);
		auto next_rotation_y = glm::rotate(glm::mat4(), next_angle_y, glm::vec3(0, 1, 0));

		vector<glm::vec3> vertices;
		vertices.push_back(glm::vec4(x, 10, 0, 0) * rotation_y * rotation_x);
		vertices.push_back(glm::vec4(next_x, 10, 0, 0)* next_rotation_y* next_rotation_x);
		vertices.push_back(glm::vec4(next_x, -10, 0, 0) * next_rotation_y * next_rotation_x);
		vertices.push_back(glm::vec4(x, -10, 0, 0) * rotation_y * rotation_x);

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

		auto color = ofColor();
		auto next_color = ofColor();

		color.setHsb(ofMap((int)(x + ofGetFrameNum() * 1) % 128, 1, 128, 0, 255), 180, 255);
		next_color.setHsb(ofMap((int)(next_x + ofGetFrameNum() * 1) % 128, 1, 128, 0, 255), 180, 255);

		this->face.addColor(color);
		this->face.addColor(next_color);
		this->face.addColor(next_color);
		this->face.addColor(color);

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

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

	this->line.addIndex(start_index + 0); this->line.addIndex(start_index + 3);
	this->line.addIndex(this->line.getNumVertices() - 2); this->line.addIndex(this->line.getNumVertices() - 3);
}

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

	this->cam.begin();
	ofRotateY(270);

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

		ofRotateX(45);

		this->line.drawWireframe();
		this->face.draw();
	}

	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();

ofSetLineWidth(2);

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

}

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

void ofApp::update() {

ofSeedRandom(39);

this->face.clear();

this->line.clear();

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

int start_index = this->face.getNumVertices();

for (float x = 128; x < 255; x += 1) {

float next_x = x + 1;

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

float angle_x = ofMap(ofNoise(noise_seed.x, x * 0.0035 + ofGetFrameNum() * 0.01), 0, 1, PI * -2, PI * 2);

auto rotation_x = glm::rotate(glm::mat4(), angle_x, glm::vec3(1, 0, 0));

float angle_y = ofMap(ofNoise(noise_seed.y, x * 0.0035 + ofGetFrameNum() * 0.01), 0, 1, PI * -2, PI * 2);

auto rotation_y = glm::rotate(glm::mat4(), angle_y, glm::vec3(0, 1, 0));

float next_angle_x = ofMap(ofNoise(noise_seed.x, next_x * 0.0035 + ofGetFrameNum() * 0.01), 0, 1, PI * -2, PI * 2);

auto next_rotation_x = glm::rotate(glm::mat4(), next_angle_x, glm::vec3(1, 0, 0));

float next_angle_y = ofMap(ofNoise(noise_seed.y, next_x * 0.0035 + ofGetFrameNum() * 0.01), 0, 1, PI * -2, PI * 2);

auto next_rotation_y = glm::rotate(glm::mat4(), next_angle_y, glm::vec3(0, 1, 0));

vector<glm::vec3> vertices;

vertices.push_back(glm::vec4(x, 10, 0, 0) * rotation_y * rotation_x);

vertices.push_back(glm::vec4(next_x, 10, 0, 0)* next_rotation_y* next_rotation_x);

vertices.push_back(glm::vec4(next_x, -10, 0, 0) * next_rotation_y * next_rotation_x);

vertices.push_back(glm::vec4(x, -10, 0, 0) * rotation_y * rotation_x);

this->face.addVertices(vertices);

this->line.addVertices(vertices);

auto color = ofColor();

auto next_color = ofColor();

color.setHsb(ofMap((int)(x + ofGetFrameNum() * 1) % 128, 1, 128, 0, 255), 180, 255);

next_color.setHsb(ofMap((int)(next_x + ofGetFrameNum() * 1) % 128, 1, 128, 0, 255), 180, 255);

this->face.addColor(color);

this->face.addColor(next_color);

this->face.addColor(color);

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

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

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

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

}

this->line.addIndex(start_index + 0); this->line.addIndex(start_index + 3);

this->line.addIndex(this->line.getNumVertices() - 2); this->line.addIndex(this->line.getNumVertices() - 3);

}

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

void ofApp::draw() {

this->cam.begin();

ofRotateY(270);

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

ofRotateX(45);

this->line.drawWireframe();

this->face.draw();

}

this->cam.end();

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20211225

[ほしいものリスト]
Amazon

[ Sponsor Link ]

2024年11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