ofMesh – ページ 61 – プログラミング de 落描き

2022年6月19日

hexagon rotation. Draw by openFrameworks

[ Video ]

[ About ]
回転するヘキサゴン。

hexagon rotation.

[ 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) {};

	void setHexagonToMesh(ofMesh& face_target, ofMesh& frame_target, glm::vec3 location, float radius, float height);

	vector<glm::vec3> location_list;

	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 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) {};

void setHexagonToMesh(ofMesh& face_target, ofMesh& frame_target, glm::vec3 location, float radius, float height);

vector<glm::vec3> location_list;

ofEasyCam cam;

ofMesh face, frame;

};

#include "ofApp.h"

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

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

	ofBackground(0);
	ofEnableDepthTest();

	auto radius = 15;
	auto x_span = radius * sqrt(3);
	auto flg = true;
	for (float y = -360; y < 360; y += radius * 1.5) {

		for (float x = -360; x < 360; x += x_span) {

			glm::vec3 location;
			if (flg) {

				location = glm::vec3(x, y, 0);
			}
			else {

				location = glm::vec3(x + (x_span / 2), y, 0);
			}

			this->location_list.push_back(location);
		}
		flg = !flg;
	}

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

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

	ofSeedRandom(39);

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

	for (int i = 0; i < this->location_list.size(); i++) {

		auto noise_param = ofNoise(glm::vec4(this->location_list[i] * 0.004, ofGetFrameNum() * 0.005));

		if (noise_param < 0.45) {

			this->setHexagonToMesh(this->face, this->frame, this->location_list[i], 15, 5);
		}
		else {

			auto rotation_x = glm::rotate(glm::mat4(), ofMap(ofNoise(glm::vec4(this->location_list[i] * 0.004, ofGetFrameNum() * 0.005)), 0, 1, -230, 230) * (float)DEG_TO_RAD * ofMap(noise_param, 0.45, 1, 0, 1), glm::vec3(1, 0, 0));
			auto rotation_y = glm::rotate(glm::mat4(), ofMap(ofNoise(glm::vec4(this->location_list[i] * 0.004, ofGetFrameNum() * 0.005)), 0, 1, -230, 230) * (float)DEG_TO_RAD * ofMap(noise_param, 0.45, 1, 0, 1), glm::vec3(0, 1, 0));
			auto rotation_z = glm::rotate(glm::mat4(), ofMap(ofNoise(glm::vec4(this->location_list[i] * 0.004, ofGetFrameNum() * 0.005)), 0, 1, -230, 230) * (float)DEG_TO_RAD * ofMap(noise_param, 0.45, 1, 0, 1), glm::vec3(0, 0, 1));

			glm::vec3 location = glm::vec4(this->location_list[i], 0) * rotation_z * rotation_y * rotation_x;

			this->setHexagonToMesh(this->face, this->frame, location, 15, 5);
		}
	}
	
}

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

	this->cam.begin();
	ofRotateY(ofGetFrameNum() * 0.6666666666666);

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

	this->cam.end();
}

//--------------------------------------------------------------
void ofApp::setHexagonToMesh(ofMesh& face_target, ofMesh& frame_target, glm::vec3 location, float radius, float height) {

	ofColor face_color = ofColor(0);
	ofColor frame_color = ofColor(255);

	auto noise_param = ofNoise(glm::vec4(location * 0.004, ofGetFrameNum() * 0.005));
	auto rotation_x = glm::rotate(glm::mat4(), ofMap(ofNoise(glm::vec4(location * 0.004, ofGetFrameNum() * 0.005)), 0, 1, -1800, 1800) * (float)DEG_TO_RAD * ofMap(noise_param, 0.45, 1, 0, 1), glm::vec3(1, 0, 0));
	auto rotation_y = glm::rotate(glm::mat4(), ofMap(ofNoise(glm::vec4(location * 0.004, ofGetFrameNum() * 0.005)), 0, 1, -1800, 1800) * (float)DEG_TO_RAD * ofMap(noise_param, 0.45, 1, 0, 1), glm::vec3(0, 1, 0));
	auto rotation_z = glm::rotate(glm::mat4(), ofMap(ofNoise(glm::vec4(location * 0.004, ofGetFrameNum() * 0.005)), 0, 1, -1800, 1800) * (float)DEG_TO_RAD * ofMap(noise_param, 0.45, 1, 0, 1), glm::vec3(0, 0, 1));

	for (int deg = 90; deg < 450; deg += 60) {

		auto face_radius = radius - 0.5;
		auto face_index = face_target.getNumVertices();
		auto frame_index = frame_target.getNumVertices();

		vector<glm::vec3> vertices;
		vertices.push_back(glm::vec3(0, 0, 0));
		vertices.push_back(glm::vec3(face_radius * cos(deg * DEG_TO_RAD), face_radius * sin(deg * DEG_TO_RAD), 0));
		vertices.push_back(glm::vec3(face_radius * cos((deg + 60) * DEG_TO_RAD), face_radius * sin((deg + 60) * DEG_TO_RAD), 0));
		vertices.push_back(glm::vec3(0, 0, height));
		vertices.push_back(glm::vec3(face_radius * cos((deg + 60) * DEG_TO_RAD), face_radius * sin((deg + 60) * DEG_TO_RAD), height));
		vertices.push_back(glm::vec3(face_radius * cos(deg * DEG_TO_RAD), face_radius * sin(deg * DEG_TO_RAD), height));

		for (auto& vertex : vertices) {

			if (noise_param > 0.45) {
			
				vertex = glm::vec4(vertex, 0) * rotation_z * rotation_y * rotation_x;
			}
			vertex += location;
		}

		face_target.addVertices(vertices);

		face_target.addIndex(face_index + 0); face_target.addIndex(face_index + 1); face_target.addIndex(face_index + 2);
		face_target.addIndex(face_index + 3); face_target.addIndex(face_index + 4); face_target.addIndex(face_index + 5);
		face_target.addIndex(face_index + 1); face_target.addIndex(face_index + 2); face_target.addIndex(face_index + 4);
		face_target.addIndex(face_index + 1); face_target.addIndex(face_index + 4); face_target.addIndex(face_index + 5);

		frame_target.addVertices(vertices);

		frame_target.addIndex(frame_index + 1); frame_target.addIndex(frame_index + 2);
		frame_target.addIndex(frame_index + 4); frame_target.addIndex(frame_index + 5);
		frame_target.addIndex(frame_index + 1); frame_target.addIndex(frame_index + 5);
		frame_target.addIndex(frame_index + 2); frame_target.addIndex(frame_index + 4);

		for (int i = 0; i < vertices.size(); i++) {

			face_target.addColor(face_color);
			frame_target.addColor(frame_color);
		}
	}
}

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

#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(60);

ofSetWindowTitle("openFrameworks");

ofBackground(0);

ofEnableDepthTest();

auto radius = 15;

auto x_span = radius * sqrt(3);

auto flg = true;

for (float y = -360; y < 360; y += radius * 1.5) {

for (float x = -360; x < 360; x += x_span) {

glm::vec3 location;

if (flg) {

location = glm::vec3(x, y, 0);

}

else {

location = glm::vec3(x + (x_span / 2), y, 0);

}

this->location_list.push_back(location);

}

flg = !flg;

}

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

}

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

void ofApp::update() {

ofSeedRandom(39);

this->face.clear();

this->frame.clear();

for (int i = 0; i < this->location_list.size(); i++) {

auto noise_param = ofNoise(glm::vec4(this->location_list[i] * 0.004, ofGetFrameNum() * 0.005));

if (noise_param < 0.45) {

this->setHexagonToMesh(this->face, this->frame, this->location_list[i], 15, 5);

}

else {

auto rotation_x = glm::rotate(glm::mat4(), ofMap(ofNoise(glm::vec4(this->location_list[i] * 0.004, ofGetFrameNum() * 0.005)), 0, 1, -230, 230) * (float)DEG_TO_RAD * ofMap(noise_param, 0.45, 1, 0, 1), glm::vec3(1, 0, 0));

auto rotation_y = glm::rotate(glm::mat4(), ofMap(ofNoise(glm::vec4(this->location_list[i] * 0.004, ofGetFrameNum() * 0.005)), 0, 1, -230, 230) * (float)DEG_TO_RAD * ofMap(noise_param, 0.45, 1, 0, 1), glm::vec3(0, 1, 0));

auto rotation_z = glm::rotate(glm::mat4(), ofMap(ofNoise(glm::vec4(this->location_list[i] * 0.004, ofGetFrameNum() * 0.005)), 0, 1, -230, 230) * (float)DEG_TO_RAD * ofMap(noise_param, 0.45, 1, 0, 1), glm::vec3(0, 0, 1));

glm::vec3 location = glm::vec4(this->location_list[i], 0) * rotation_z * rotation_y * rotation_x;

this->setHexagonToMesh(this->face, this->frame, location, 15, 5);

}

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

void ofApp::draw() {

this->cam.begin();

ofRotateY(ofGetFrameNum() * 0.6666666666666);

this->face.draw();

this->frame.draw();

this->cam.end();

}

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

void ofApp::setHexagonToMesh(ofMesh& face_target, ofMesh& frame_target, glm::vec3 location, float radius, float height) {

ofColor face_color = ofColor(0);

ofColor frame_color = ofColor(255);

auto noise_param = ofNoise(glm::vec4(location * 0.004, ofGetFrameNum() * 0.005));

auto rotation_x = glm::rotate(glm::mat4(), ofMap(ofNoise(glm::vec4(location * 0.004, ofGetFrameNum() * 0.005)), 0, 1, -1800, 1800) * (float)DEG_TO_RAD * ofMap(noise_param, 0.45, 1, 0, 1), glm::vec3(1, 0, 0));

auto rotation_y = glm::rotate(glm::mat4(), ofMap(ofNoise(glm::vec4(location * 0.004, ofGetFrameNum() * 0.005)), 0, 1, -1800, 1800) * (float)DEG_TO_RAD * ofMap(noise_param, 0.45, 1, 0, 1), glm::vec3(0, 1, 0));

auto rotation_z = glm::rotate(glm::mat4(), ofMap(ofNoise(glm::vec4(location * 0.004, ofGetFrameNum() * 0.005)), 0, 1, -1800, 1800) * (float)DEG_TO_RAD * ofMap(noise_param, 0.45, 1, 0, 1), glm::vec3(0, 0, 1));

for (int deg = 90; deg < 450; deg += 60) {

auto face_radius = radius - 0.5;

auto face_index = face_target.getNumVertices();

auto frame_index = frame_target.getNumVertices();

vector<glm::vec3> vertices;

vertices.push_back(glm::vec3(0, 0, 0));

vertices.push_back(glm::vec3(face_radius * cos(deg * DEG_TO_RAD), face_radius * sin(deg * DEG_TO_RAD), 0));

vertices.push_back(glm::vec3(face_radius * cos((deg + 60) * DEG_TO_RAD), face_radius * sin((deg + 60) * DEG_TO_RAD), 0));

vertices.push_back(glm::vec3(0, 0, height));

vertices.push_back(glm::vec3(face_radius * cos((deg + 60) * DEG_TO_RAD), face_radius * sin((deg + 60) * DEG_TO_RAD), height));

vertices.push_back(glm::vec3(face_radius * cos(deg * DEG_TO_RAD), face_radius * sin(deg * DEG_TO_RAD), height));

for (auto& vertex : vertices) {

if (noise_param > 0.45) {

vertex = glm::vec4(vertex, 0) * rotation_z * rotation_y * rotation_x;

}

vertex += location;

}

face_target.addVertices(vertices);

face_target.addIndex(face_index + 0); face_target.addIndex(face_index + 1); face_target.addIndex(face_index + 2);

face_target.addIndex(face_index + 3); face_target.addIndex(face_index + 4); face_target.addIndex(face_index + 5);

face_target.addIndex(face_index + 1); face_target.addIndex(face_index + 2); face_target.addIndex(face_index + 4);

face_target.addIndex(face_index + 1); face_target.addIndex(face_index + 4); face_target.addIndex(face_index + 5);

frame_target.addVertices(vertices);

frame_target.addIndex(frame_index + 1); frame_target.addIndex(frame_index + 2);

frame_target.addIndex(frame_index + 4); frame_target.addIndex(frame_index + 5);

frame_target.addIndex(frame_index + 1); frame_target.addIndex(frame_index + 5);

frame_target.addIndex(frame_index + 2); frame_target.addIndex(frame_index + 4);

for (int i = 0; i < vertices.size(); i++) {

face_target.addColor(face_color);

frame_target.addColor(frame_color);

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20220619

2022年6月18日2022年6月16日

sphere splitting. Draw by openFrameworks

[ Video ]

[ About ]
輪切り球体。

sphere splitting.

[ 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, 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) {};

ofEasyCam cam;

ofMesh face, frame;

};

#include "ofApp.h"

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

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

	ofBackground(255);
	ofEnableDepthTest();

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

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

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

	int radius = 100;
	int phi_deg_step = 5;

	for (int x = -400; x <= 400; x += 400) {

		for (int z = -400; z <= 400; z += 400) {

			for (float theta_deg = 1; theta_deg < 180; theta_deg += 10) {

				auto noise_z = radius * cos(theta_deg * DEG_TO_RAD);
				auto noise_value = ofNoise(x, z, noise_z * 0.05 + ofGetFrameNum() * 0.03);

				auto param_x = ofMap(noise_value, 0, 1, radius * -1, radius * 1);

				auto angle_x = ofMap(ofNoise(x, ofGetFrameNum() * 0.002), 0, 1, -PI * 2, PI * 2);
				auto rotation_x = glm::rotate(glm::mat4(), angle_x, glm::vec3(1, 0, 0));

				auto angle_y = ofMap(ofNoise(z, ofGetFrameNum() * 0.002), 0, 1, -PI * 2, PI * 2);
				auto rotation_y = glm::rotate(glm::mat4(), angle_y, glm::vec3(0, 1, 0));

				auto start_index = this->face.getNumVertices();
				for (int phi_deg = 0; phi_deg < 360; phi_deg += phi_deg_step) {

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

					vector<glm::vec3> vertices;

					vertices.push_back(glm::vec3(x, 0, z) + glm::vec4(param_x + radius * sin((theta_deg - 5) * DEG_TO_RAD) * cos(phi_deg * DEG_TO_RAD), radius * sin((theta_deg - 5) * DEG_TO_RAD) * sin(phi_deg * DEG_TO_RAD), radius * cos((theta_deg - 5) * DEG_TO_RAD), 0) * rotation_y * rotation_x);
					vertices.push_back(glm::vec3(x, 0, z) + glm::vec4(param_x + radius * sin((theta_deg + 5) * DEG_TO_RAD) * cos(phi_deg * DEG_TO_RAD), radius * sin((theta_deg + 5) * DEG_TO_RAD) * sin(phi_deg * DEG_TO_RAD), radius * cos((theta_deg + 5) * DEG_TO_RAD), 0) * rotation_y * rotation_x);

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

					if (phi_deg > 0) {

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

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

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

				auto index = this->face.getNumVertices() - 2;
				this->face.addIndex(start_index + 0); this->face.addIndex(index + 0); this->face.addIndex(index + 1);
				this->face.addIndex(start_index + 1); this->face.addIndex(index + 1); this->face.addIndex(start_index + 1);

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

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

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

	ofSetColor(0);
	this->face.draw();

	ofSetColor(255);
	this->frame.drawWireframe();

	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();

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

}

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

void ofApp::update() {

this->face.clear();

this->frame.clear();

int radius = 100;

int phi_deg_step = 5;

for (int x = -400; x <= 400; x += 400) {

for (int z = -400; z <= 400; z += 400) {

for (float theta_deg = 1; theta_deg < 180; theta_deg += 10) {

auto noise_z = radius * cos(theta_deg * DEG_TO_RAD);

auto noise_value = ofNoise(x, z, noise_z * 0.05 + ofGetFrameNum() * 0.03);

auto param_x = ofMap(noise_value, 0, 1, radius * -1, radius * 1);

auto angle_x = ofMap(ofNoise(x, ofGetFrameNum() * 0.002), 0, 1, -PI * 2, PI * 2);

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

auto angle_y = ofMap(ofNoise(z, ofGetFrameNum() * 0.002), 0, 1, -PI * 2, PI * 2);

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

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

for (int phi_deg = 0; phi_deg < 360; phi_deg += phi_deg_step) {

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

vector<glm::vec3> vertices;

vertices.push_back(glm::vec3(x, 0, z) + glm::vec4(param_x + radius * sin((theta_deg - 5) * DEG_TO_RAD) * cos(phi_deg * DEG_TO_RAD), radius * sin((theta_deg - 5) * DEG_TO_RAD) * sin(phi_deg * DEG_TO_RAD), radius * cos((theta_deg - 5) * DEG_TO_RAD), 0) * rotation_y * rotation_x);

vertices.push_back(glm::vec3(x, 0, z) + glm::vec4(param_x + radius * sin((theta_deg + 5) * DEG_TO_RAD) * cos(phi_deg * DEG_TO_RAD), radius * sin((theta_deg + 5) * DEG_TO_RAD) * sin(phi_deg * DEG_TO_RAD), radius * cos((theta_deg + 5) * DEG_TO_RAD), 0) * rotation_y * rotation_x);

this->face.addVertices(vertices);

this->frame.addVertices(vertices);

if (phi_deg > 0) {

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

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

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

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

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

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

}

auto index = this->face.getNumVertices() - 2;

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

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

this->frame.addIndex(start_index + 0); this->frame.addIndex(index + 0);

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

}

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

void ofApp::draw() {

this->cam.begin();

ofRotateX(270);

ofSetColor(0);

this->face.draw();

ofSetColor(255);

this->frame.drawWireframe();

this->cam.end();

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20220618

2022年6月9日

Move alternately. Draw by openFrameworks

[ Video ]

[ About ]
交互にノイズのパラメータを加算する。

Add the parameters of alternating noise.

[ 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) {};

	void setBoxToMesh(ofMesh& face_target, ofMesh& frame_target, glm::vec3 location, float size);
	void setBoxToMesh(ofMesh& face_target, ofMesh& frame_target, glm::vec3 location, float height, float width, float depth);

	ofEasyCam cam;
	ofMesh face_mesh, frame_mesh, sphere_mesh, draw_sphere_mesh;

	float noise_param_1, noise_param_2;
};

#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) {};

void setBoxToMesh(ofMesh& face_target, ofMesh& frame_target, glm::vec3 location, float size);

void setBoxToMesh(ofMesh& face_target, ofMesh& frame_target, glm::vec3 location, float height, float width, float depth);

ofEasyCam cam;

ofMesh face_mesh, frame_mesh, sphere_mesh, draw_sphere_mesh;

float noise_param_1, noise_param_2;

};

#include "ofApp.h"

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

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

	ofBackground(0);
	ofSetLineWidth(1);
	ofEnableDepthTest();

	auto ico_sphere = ofIcoSpherePrimitive(150, 4);
	this->sphere_mesh = ico_sphere.getMesh();
	this->frame_mesh.setMode(ofPrimitiveMode::OF_PRIMITIVE_LINES);

	this->noise_param_1 = ofRandom(1000);
	this->noise_param_2 = ofRandom(1000);
}

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

	if (ofGetFrameNum() % 90 < 45) {

		this->noise_param_1 += ofMap(ofGetFrameNum() % 90, 0, 45, 0.15, 0);
	}
	else {

		this->noise_param_2 += ofMap(ofGetFrameNum() % 90, 45, 90, 0.15, 0);
	}

	this->face_mesh.clear();
	this->frame_mesh.clear();

	this->draw_sphere_mesh = this->sphere_mesh;

	for (auto& vertex : this->draw_sphere_mesh.getVertices()) {

		auto noise_value = ofNoise(glm::vec4(vertex * 0.01, noise_param_1));
		auto noise_radius = ofMap(noise_value, 0, 1, 65, 135);

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

	auto span = 8;
	auto max_height = 150;
	auto radius = 250;
	for (auto x = -300; x <= 300; x += span) {

		for (auto y = -300; y <= 300; y += span) {

			auto distance = glm::length(glm::vec2(x, y));
			if (distance > radius - 20 && distance < radius + 20) {

				auto power = ofMap(abs(distance - radius), 0, 20, 1, 0.1);
				auto len = ofMap(ofNoise(x * 0.05, y * 0.05, noise_param_2), 0, 1, 0, max_height * power);
				this->setBoxToMesh(this->face_mesh, this->frame_mesh, glm::vec3(x, y, len * 0.5), span, span, len);
			}
		}
	}
}

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

	this->cam.begin();
	ofTranslate(0, -50, 0);
	ofRotateX(285);

	ofPushMatrix();
	ofTranslate(glm::vec3(0, 0, 200));
	
	ofSetColor(0);
	this->draw_sphere_mesh.draw();
	ofSetColor(255, 0, 0);
	this->draw_sphere_mesh.drawWireframe();

	ofPopMatrix();

	this->face_mesh.drawFaces();
	this->frame_mesh.drawWireframe();

	this->cam.end();
}

//--------------------------------------------------------------
void ofApp::setBoxToMesh(ofMesh& face_target, ofMesh& frame_target, glm::vec3 location, float size) {

	this->setBoxToMesh(face_target, frame_target, location, size, size, size);
}

//--------------------------------------------------------------
void ofApp::setBoxToMesh(ofMesh& face_target, ofMesh& frame_target, glm::vec3 location, float height, float width, float depth) {

	auto face_color = ofColor(0);
	auto frame_color = ofColor(255, 0, 0);

	int index = face_target.getVertices().size();

	face_target.addVertex(location + glm::vec3(width * -0.5 * 0.99, height * 0.5 * 0.99, depth * -0.5 * 0.99));
	face_target.addVertex(location + glm::vec3(width * 0.5 * 0.99, height * 0.5 * 0.99, depth * -0.5 * 0.99));
	face_target.addVertex(location + glm::vec3(width * 0.5 * 0.99, height * 0.5 * 0.99, depth * 0.5 * 0.99));
	face_target.addVertex(location + glm::vec3(width * -0.5 * 0.99, height * 0.5 * 0.99, depth * 0.5 * 0.99));

	face_target.addVertex(location + glm::vec3(width * -0.5 * 0.99, height * -0.5 * 0.99, depth * -0.5 * 0.99));
	face_target.addVertex(location + glm::vec3(width * 0.5 * 0.99, height * -0.5 * 0.99, depth * -0.5 * 0.99));
	face_target.addVertex(location + glm::vec3(width * 0.5 * 0.99, height * -0.5 * 0.99, depth * 0.5 * 0.99));
	face_target.addVertex(location + glm::vec3(width * -0.5 * 0.99, height * -0.5 * 0.99, depth * 0.5 * 0.99));

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

		face_target.addColor(face_color);
	}

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

	face_target.addIndex(index + 4); face_target.addIndex(index + 5); face_target.addIndex(index + 6);
	face_target.addIndex(index + 4); face_target.addIndex(index + 6); face_target.addIndex(index + 7);

	face_target.addIndex(index + 0); face_target.addIndex(index + 4); face_target.addIndex(index + 1);
	face_target.addIndex(index + 4); face_target.addIndex(index + 5); face_target.addIndex(index + 1);

	face_target.addIndex(index + 1); face_target.addIndex(index + 5); face_target.addIndex(index + 6);
	face_target.addIndex(index + 6); face_target.addIndex(index + 2); face_target.addIndex(index + 1);

	face_target.addIndex(index + 2); face_target.addIndex(index + 6); face_target.addIndex(index + 7);
	face_target.addIndex(index + 7); face_target.addIndex(index + 3); face_target.addIndex(index + 2);

	face_target.addIndex(index + 3); face_target.addIndex(index + 7); face_target.addIndex(index + 4);
	face_target.addIndex(index + 4); face_target.addIndex(index + 0); face_target.addIndex(index + 3);

	frame_target.addVertex(location + glm::vec3(width * -0.5, height * 0.5, depth * -0.5));
	frame_target.addVertex(location + glm::vec3(width * 0.5, height * 0.5, depth * -0.5));
	frame_target.addVertex(location + glm::vec3(width * 0.5, height * 0.5, depth * 0.5));
	frame_target.addVertex(location + glm::vec3(width * -0.5, height * 0.5, depth * 0.5));

	frame_target.addVertex(location + glm::vec3(width * -0.5, height * -0.5, depth * -0.5));
	frame_target.addVertex(location + glm::vec3(width * 0.5, height * -0.5, depth * -0.5));
	frame_target.addVertex(location + glm::vec3(width * 0.5, height * -0.5, depth * 0.5));
	frame_target.addVertex(location + glm::vec3(width * -0.5, height * -0.5, depth * 0.5));

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

		frame_target.addColor(frame_color);
	}

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

	frame_target.addIndex(index + 4); frame_target.addIndex(index + 5);
	frame_target.addIndex(index + 5); frame_target.addIndex(index + 6);
	frame_target.addIndex(index + 6); frame_target.addIndex(index + 7);
	frame_target.addIndex(index + 7); frame_target.addIndex(index + 4);

	frame_target.addIndex(index + 0); frame_target.addIndex(index + 4);
	frame_target.addIndex(index + 1); frame_target.addIndex(index + 5);
	frame_target.addIndex(index + 2); frame_target.addIndex(index + 6);
	frame_target.addIndex(index + 3); frame_target.addIndex(index + 7);
}

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

#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(60);

ofSetWindowTitle("openframeworks");

ofBackground(0);

ofSetLineWidth(1);

ofEnableDepthTest();

auto ico_sphere = ofIcoSpherePrimitive(150, 4);

this->sphere_mesh = ico_sphere.getMesh();

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

this->noise_param_1 = ofRandom(1000);

this->noise_param_2 = ofRandom(1000);

}

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

void ofApp::update() {

if (ofGetFrameNum() % 90 < 45) {

this->noise_param_1 += ofMap(ofGetFrameNum() % 90, 0, 45, 0.15, 0);

}

else {

this->noise_param_2 += ofMap(ofGetFrameNum() % 90, 45, 90, 0.15, 0);

}

this->face_mesh.clear();

this->frame_mesh.clear();

this->draw_sphere_mesh = this->sphere_mesh;

for (auto& vertex : this->draw_sphere_mesh.getVertices()) {

auto noise_value = ofNoise(glm::vec4(vertex * 0.01, noise_param_1));

auto noise_radius = ofMap(noise_value, 0, 1, 65, 135);

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

}

auto span = 8;

auto max_height = 150;

auto radius = 250;

for (auto x = -300; x <= 300; x += span) {

for (auto y = -300; y <= 300; y += span) {

auto distance = glm::length(glm::vec2(x, y));

if (distance > radius - 20 && distance < radius + 20) {

auto power = ofMap(abs(distance - radius), 0, 20, 1, 0.1);

auto len = ofMap(ofNoise(x * 0.05, y * 0.05, noise_param_2), 0, 1, 0, max_height * power);

this->setBoxToMesh(this->face_mesh, this->frame_mesh, glm::vec3(x, y, len * 0.5), span, span, len);

}

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

void ofApp::draw() {

this->cam.begin();

ofTranslate(0, -50, 0);

ofRotateX(285);

ofPushMatrix();

ofTranslate(glm::vec3(0, 0, 200));

ofSetColor(0);

this->draw_sphere_mesh.draw();

ofSetColor(255, 0, 0);

this->draw_sphere_mesh.drawWireframe();

ofPopMatrix();

this->face_mesh.drawFaces();

this->frame_mesh.drawWireframe();

this->cam.end();

}

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

void ofApp::setBoxToMesh(ofMesh& face_target, ofMesh& frame_target, glm::vec3 location, float size) {

this->setBoxToMesh(face_target, frame_target, location, size, size, size);

}

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

void ofApp::setBoxToMesh(ofMesh& face_target, ofMesh& frame_target, glm::vec3 location, float height, float width, float depth) {

auto face_color = ofColor(0);

auto frame_color = ofColor(255, 0, 0);

int index = face_target.getVertices().size();

face_target.addVertex(location + glm::vec3(width * -0.5 * 0.99, height * 0.5 * 0.99, depth * -0.5 * 0.99));

face_target.addVertex(location + glm::vec3(width * 0.5 * 0.99, height * 0.5 * 0.99, depth * -0.5 * 0.99));

face_target.addVertex(location + glm::vec3(width * 0.5 * 0.99, height * 0.5 * 0.99, depth * 0.5 * 0.99));

face_target.addVertex(location + glm::vec3(width * -0.5 * 0.99, height * 0.5 * 0.99, depth * 0.5 * 0.99));

face_target.addVertex(location + glm::vec3(width * -0.5 * 0.99, height * -0.5 * 0.99, depth * -0.5 * 0.99));

face_target.addVertex(location + glm::vec3(width * 0.5 * 0.99, height * -0.5 * 0.99, depth * -0.5 * 0.99));

face_target.addVertex(location + glm::vec3(width * 0.5 * 0.99, height * -0.5 * 0.99, depth * 0.5 * 0.99));

face_target.addVertex(location + glm::vec3(width * -0.5 * 0.99, height * -0.5 * 0.99, depth * 0.5 * 0.99));

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

face_target.addColor(face_color);

}

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

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

face_target.addIndex(index + 4); face_target.addIndex(index + 5); face_target.addIndex(index + 6);

face_target.addIndex(index + 4); face_target.addIndex(index + 6); face_target.addIndex(index + 7);

face_target.addIndex(index + 0); face_target.addIndex(index + 4); face_target.addIndex(index + 1);

face_target.addIndex(index + 4); face_target.addIndex(index + 5); face_target.addIndex(index + 1);

face_target.addIndex(index + 1); face_target.addIndex(index + 5); face_target.addIndex(index + 6);

face_target.addIndex(index + 6); face_target.addIndex(index + 2); face_target.addIndex(index + 1);

face_target.addIndex(index + 2); face_target.addIndex(index + 6); face_target.addIndex(index + 7);

face_target.addIndex(index + 7); face_target.addIndex(index + 3); face_target.addIndex(index + 2);

face_target.addIndex(index + 3); face_target.addIndex(index + 7); face_target.addIndex(index + 4);

face_target.addIndex(index + 4); face_target.addIndex(index + 0); face_target.addIndex(index + 3);

frame_target.addVertex(location + glm::vec3(width * -0.5, height * 0.5, depth * -0.5));

frame_target.addVertex(location + glm::vec3(width * 0.5, height * 0.5, depth * -0.5));

frame_target.addVertex(location + glm::vec3(width * 0.5, height * 0.5, depth * 0.5));

frame_target.addVertex(location + glm::vec3(width * -0.5, height * 0.5, depth * 0.5));

frame_target.addVertex(location + glm::vec3(width * -0.5, height * -0.5, depth * -0.5));

frame_target.addVertex(location + glm::vec3(width * 0.5, height * -0.5, depth * -0.5));

frame_target.addVertex(location + glm::vec3(width * 0.5, height * -0.5, depth * 0.5));

frame_target.addVertex(location + glm::vec3(width * -0.5, height * -0.5, depth * 0.5));

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

frame_target.addColor(frame_color);

}

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

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

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

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

frame_target.addIndex(index + 4); frame_target.addIndex(index + 5);

frame_target.addIndex(index + 5); frame_target.addIndex(index + 6);

frame_target.addIndex(index + 6); frame_target.addIndex(index + 7);

frame_target.addIndex(index + 7); frame_target.addIndex(index + 4);

frame_target.addIndex(index + 0); frame_target.addIndex(index + 4);

frame_target.addIndex(index + 1); frame_target.addIndex(index + 5);

frame_target.addIndex(index + 2); frame_target.addIndex(index + 6);

frame_target.addIndex(index + 3); frame_target.addIndex(index + 7);

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20220609

2025年7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