ofMesh – ページ 102 – プログラミング de 落描き

2021年10月14日2021年10月14日

1 to 2, 2 to 1. Draw by openFrameworks

[ Video ]

[ About ]
ofFboをテキスチャにしてofMeshへバインドする。
ofMeshの座標を回転させて遊ぶ。

Texture the ofFbo and bind it to the ofMesh.
Play with the coordinates ofMesh by rotating it.

[ 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;
	vector<ofPixels> pixcels_list;

	ofTrueTypeFont font;
	int font_size;

	vector<vector<ofMesh>> face_list;
};

#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;

vector<ofPixels> pixcels_list;

ofTrueTypeFont font;

int font_size;

vector<vector<ofMesh>> face_list;

};

#include "ofApp.h"

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

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

	ofBackground(239);
	ofSetLineWidth(2);
	ofEnableDepthTest();
	ofSetRectMode(ofRectMode::OF_RECTMODE_CENTER);

	this->font_size = 195;
	ofTrueTypeFontSettings font_settings("fonts/msgothic.ttc", this->font_size);
	font_settings.antialiased = true;
	font_settings.addRanges(ofAlphabet::Japanese);
	this->font.load(font_settings);

	ofFbo fbo;
	ofPixels pixcels;
	fbo.allocate(320, 320);

	fbo.begin();

	ofClear(0);
	ofBackground(0);
	ofTranslate(fbo.getWidth() * 0.5, fbo.getHeight() * 0.5);

	ofSetColor(255);
	this->font.drawString(u8"壱", -130, 90);

	ofNoFill();
	ofDrawRectangle(glm::vec2(0, 0), 300, 300);

	fbo.end();
	
	fbo.readToPixels(pixcels);
	this->pixcels_list.push_back(pixcels);

	fbo.begin();

	ofClear(0);
	ofBackground(0);
	ofTranslate(fbo.getWidth() * 0.5, fbo.getHeight() * 0.5);

	ofSetColor(255);
	this->font.drawString(u8"零", -130, 90);

	ofNoFill();
	ofDrawRectangle(glm::vec2(0, 0), 300, 300);

	fbo.end();

	fbo.readToPixels(pixcels);
	this->pixcels_list.push_back(pixcels);
}

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

	this->face_list.clear();

	int x_span = 20;
	int y_span = 5;

	for (int i = 0; i < 2; i++) {

		vector<ofMesh> mesh_list;
		for (int x = 0; x < 320; x += x_span) {

			ofMesh mesh;
			for (int y = 0; y < 320; y += y_span) {

				int index = mesh.getNumVertices();

				float z = -160;

				vector<glm::vec3> vertices;
				vertices.push_back(glm::vec3(x, y, z) - glm::vec3(160, 160, 0));
				vertices.push_back(glm::vec3(x + x_span, y, z) - glm::vec3(160, 160, 0));
				vertices.push_back(glm::vec3(x + x_span, y + y_span, z) - glm::vec3(160, 160, 0));
				vertices.push_back(glm::vec3(x, y + y_span, z) - glm::vec3(160, 160, 0));

				auto deg = (x / 3 + ofGetFrameNum()) % 360;
				if (deg < 90) { deg = 0; }
				else if (deg < 180) { deg = ofMap(deg, 90, 180, 0, 180); }
				else if (deg < 270) { deg = 180; }
				else if (deg < 360) { deg = ofMap(deg, 270, 360, 180, 360); }

				deg += i * 180;

				auto rotation_x = glm::rotate(glm::mat4(), deg * (float)DEG_TO_RAD, glm::vec3(1, 0, 0));
				for (auto& vertex : vertices) {

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

				mesh.addVertices(vertices);

				mesh.addTexCoord(glm::vec3(x, y, 0));
				mesh.addTexCoord(glm::vec3(x + x_span, y, 0));
				mesh.addTexCoord(glm::vec3(x + x_span, y + y_span, 0));
				mesh.addTexCoord(glm::vec3(x, y + y_span, 0));

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

			mesh_list.push_back(mesh);
		}

		this->face_list.push_back(mesh_list);
	}
}

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

	this->cam.begin();
	ofRotateX(180);

	int i = 0;
	for (auto& mesh_list : this->face_list) {

		ofImage image;
		image.setFromPixels(this->pixcels_list[i++]);

		for (auto& mesh : mesh_list) {

			image.bind();
			mesh.draw();
			image.unbind();
		}
	}

	this->cam.end();
}

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

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

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#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(60);

ofSetWindowTitle("openframeworks");

ofBackground(239);

ofSetLineWidth(2);

ofEnableDepthTest();

ofSetRectMode(ofRectMode::OF_RECTMODE_CENTER);

this->font_size = 195;

ofTrueTypeFontSettings font_settings("fonts/msgothic.ttc", this->font_size);

font_settings.antialiased = true;

font_settings.addRanges(ofAlphabet::Japanese);

this->font.load(font_settings);

ofFbo fbo;

ofPixels pixcels;

fbo.allocate(320, 320);

fbo.begin();

ofClear(0);

ofBackground(0);

ofTranslate(fbo.getWidth() * 0.5, fbo.getHeight() * 0.5);

ofSetColor(255);

this->font.drawString(u8"壱", -130, 90);

ofNoFill();

ofDrawRectangle(glm::vec2(0, 0), 300, 300);

fbo.end();

fbo.readToPixels(pixcels);

this->pixcels_list.push_back(pixcels);

fbo.begin();

ofClear(0);

ofBackground(0);

ofTranslate(fbo.getWidth() * 0.5, fbo.getHeight() * 0.5);

ofSetColor(255);

this->font.drawString(u8"零", -130, 90);

ofNoFill();

ofDrawRectangle(glm::vec2(0, 0), 300, 300);

fbo.end();

fbo.readToPixels(pixcels);

this->pixcels_list.push_back(pixcels);

}

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

void ofApp::update() {

this->face_list.clear();

int x_span = 20;

int y_span = 5;

for (int i = 0; i < 2; i++) {

vector<ofMesh> mesh_list;

for (int x = 0; x < 320; x += x_span) {

ofMesh mesh;

for (int y = 0; y < 320; y += y_span) {

int index = mesh.getNumVertices();

float z = -160;

vector<glm::vec3> vertices;

vertices.push_back(glm::vec3(x, y, z) - glm::vec3(160, 160, 0));

vertices.push_back(glm::vec3(x + x_span, y, z) - glm::vec3(160, 160, 0));

vertices.push_back(glm::vec3(x + x_span, y + y_span, z) - glm::vec3(160, 160, 0));

vertices.push_back(glm::vec3(x, y + y_span, z) - glm::vec3(160, 160, 0));

auto deg = (x / 3 + ofGetFrameNum()) % 360;

if (deg < 90) { deg = 0; }

else if (deg < 180) { deg = ofMap(deg, 90, 180, 0, 180); }

else if (deg < 270) { deg = 180; }

else if (deg < 360) { deg = ofMap(deg, 270, 360, 180, 360); }

deg += i * 180;

auto rotation_x = glm::rotate(glm::mat4(), deg * (float)DEG_TO_RAD, glm::vec3(1, 0, 0));

for (auto& vertex : vertices) {

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

}

mesh.addVertices(vertices);

mesh.addTexCoord(glm::vec3(x, y, 0));

mesh.addTexCoord(glm::vec3(x + x_span, y, 0));

mesh.addTexCoord(glm::vec3(x + x_span, y + y_span, 0));

mesh.addTexCoord(glm::vec3(x, y + y_span, 0));

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

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

}

mesh_list.push_back(mesh);

}

this->face_list.push_back(mesh_list);

}

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

void ofApp::draw() {

this->cam.begin();

ofRotateX(180);

int i = 0;

for (auto& mesh_list : this->face_list) {

ofImage image;

image.setFromPixels(this->pixcels_list[i++]);

for (auto& mesh : mesh_list) {

image.bind();

mesh.draw();

image.unbind();

}

this->cam.end();

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20211014

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2021年10月8日2021年10月8日

Remake my post of 20/03/2018. Draw by openFrameworks

[ Video ]

[ About ]
2018/03/20の投稿が気になったら探してみてね。

Look for the post on 03/20/2018 if you’re interested.

[ 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, frame;

	vector<ofMeshFace> triangle_list;
};

#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, frame;

vector<ofMeshFace> triangle_list;

};

#include "ofApp.h"

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

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

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

	auto ico_sphere = ofIcoSpherePrimitive(100, 3);
	this->triangle_list.insert(this->triangle_list.end(), ico_sphere.getMesh().getUniqueFaces().begin(), ico_sphere.getMesh().getUniqueFaces().end());

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

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

	ofSeedRandom(39);

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

	for (int x = -150; x <= 150; x += 20) {

		for (int z = -300; z <= 900; z += 20) {

			if (x >= -30 && x <= 30) {

				this->setBoxToMesh(this->face, this->frame, glm::vec3(x, -0.5, z), 1, 15, 15);
			}
			else {

				auto noise_value = ofNoise(x * 0.05, z * 0.005 + ofGetFrameNum() * 0.015);
				auto height = ofMap(noise_value, 0, 1.0, 0, -150);
				this->setBoxToMesh(this->face, this->frame, glm::vec3(x, height * -0.5, z), height, 15, 15);
			}
		}
	}

	for (int radius = 60; radius <= 100; radius += 15) {

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

			glm::vec3 avg = (this->triangle_list[i].getVertex(0) + this->triangle_list[i].getVertex(1) + this->triangle_list[i].getVertex(2)) / 3;
			auto noise_value = ofNoise(glm::vec4(avg * 0.01, (radius / 20 + ofGetFrameNum()) * 0.008));

			if (noise_value > 0.65) {

				noise_value = 1;
			}
			else if (noise_value < 0.5) {

				noise_value = 0;
			}
			else {

				noise_value = ofMap(noise_value, 0.5, 0.65, 0, 1);
			}

			if (noise_value > 0) {

				vector<glm::vec3> vertices;

				vertices.push_back(glm::normalize((this->triangle_list[i].getVertex(0) - avg) * noise_value + avg) * (radius + 2));
				vertices.push_back(glm::normalize((this->triangle_list[i].getVertex(1) - avg) * noise_value + avg) * (radius + 2));
				vertices.push_back(glm::normalize((this->triangle_list[i].getVertex(2) - avg) * noise_value + avg) * (radius + 2));

				vertices.push_back(glm::normalize((this->triangle_list[i].getVertex(0) - avg) * noise_value + avg) * (radius - 2));
				vertices.push_back(glm::normalize((this->triangle_list[i].getVertex(1) - avg) * noise_value + avg) * (radius - 2));
				vertices.push_back(glm::normalize((this->triangle_list[i].getVertex(2) - avg) * noise_value + avg) * (radius - 2));

				for (auto& vertex : vertices) {

					vertex += glm::vec3(0, 300, 300);
				}

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

				this->face.addTriangle(this->face.getNumVertices() - 1, this->face.getNumVertices() - 2, this->face.getNumVertices() - 3);
				this->face.addTriangle(this->face.getNumVertices() - 4, this->face.getNumVertices() - 5, this->face.getNumVertices() - 6);

				this->face.addTriangle(this->face.getNumVertices() - 1, this->face.getNumVertices() - 2, this->face.getNumVertices() - 5);
				this->face.addTriangle(this->face.getNumVertices() - 1, this->face.getNumVertices() - 5, this->face.getNumVertices() - 4);

				this->face.addTriangle(this->face.getNumVertices() - 1, this->face.getNumVertices() - 3, this->face.getNumVertices() - 6);
				this->face.addTriangle(this->face.getNumVertices() - 1, this->face.getNumVertices() - 6, this->face.getNumVertices() - 4);

				this->face.addTriangle(this->face.getNumVertices() - 2, this->face.getNumVertices() - 3, this->face.getNumVertices() - 6);
				this->face.addTriangle(this->face.getNumVertices() - 2, this->face.getNumVertices() - 6, this->face.getNumVertices() - 5);

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

				this->frame.addIndex(this->frame.getNumVertices() - 4); this->frame.addIndex(this->frame.getNumVertices() - 5);
				this->frame.addIndex(this->frame.getNumVertices() - 5); this->frame.addIndex(this->frame.getNumVertices() - 6);
				this->frame.addIndex(this->frame.getNumVertices() - 4); this->frame.addIndex(this->frame.getNumVertices() - 6);

				this->frame.addIndex(this->frame.getNumVertices() - 1); this->frame.addIndex(this->frame.getNumVertices() - 4);
				this->frame.addIndex(this->frame.getNumVertices() - 2); this->frame.addIndex(this->frame.getNumVertices() - 5);
				this->frame.addIndex(this->frame.getNumVertices() - 3); this->frame.addIndex(this->frame.getNumVertices() - 6);
			}
		}
	}
}

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

	this->cam.begin();
	ofRotateY(180);

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

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

	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));

	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));

	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());
}

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#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(60);

ofSetWindowTitle("openFrameworks");

ofBackground(239);

ofSetLineWidth(2);

ofEnableDepthTest();

auto ico_sphere = ofIcoSpherePrimitive(100, 3);

this->triangle_list.insert(this->triangle_list.end(), ico_sphere.getMesh().getUniqueFaces().begin(), ico_sphere.getMesh().getUniqueFaces().end());

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

}

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

void ofApp::update() {

ofSeedRandom(39);

this->face.clear();

this->frame.clear();

for (int x = -150; x <= 150; x += 20) {

for (int z = -300; z <= 900; z += 20) {

if (x >= -30 && x <= 30) {

this->setBoxToMesh(this->face, this->frame, glm::vec3(x, -0.5, z), 1, 15, 15);

}

else {

auto noise_value = ofNoise(x * 0.05, z * 0.005 + ofGetFrameNum() * 0.015);

auto height = ofMap(noise_value, 0, 1.0, 0, -150);

this->setBoxToMesh(this->face, this->frame, glm::vec3(x, height * -0.5, z), height, 15, 15);

}

for (int radius = 60; radius <= 100; radius += 15) {

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

glm::vec3 avg = (this->triangle_list[i].getVertex(0) + this->triangle_list[i].getVertex(1) + this->triangle_list[i].getVertex(2)) / 3;

auto noise_value = ofNoise(glm::vec4(avg * 0.01, (radius / 20 + ofGetFrameNum()) * 0.008));

if (noise_value > 0.65) {

noise_value = 1;

}

else if (noise_value < 0.5) {

noise_value = 0;

}

else {

noise_value = ofMap(noise_value, 0.5, 0.65, 0, 1);

}

if (noise_value > 0) {

vector<glm::vec3> vertices;

vertices.push_back(glm::normalize((this->triangle_list[i].getVertex(0) - avg) * noise_value + avg) * (radius + 2));

vertices.push_back(glm::normalize((this->triangle_list[i].getVertex(1) - avg) * noise_value + avg) * (radius + 2));

vertices.push_back(glm::normalize((this->triangle_list[i].getVertex(2) - avg) * noise_value + avg) * (radius + 2));

vertices.push_back(glm::normalize((this->triangle_list[i].getVertex(0) - avg) * noise_value + avg) * (radius - 2));

vertices.push_back(glm::normalize((this->triangle_list[i].getVertex(1) - avg) * noise_value + avg) * (radius - 2));

vertices.push_back(glm::normalize((this->triangle_list[i].getVertex(2) - avg) * noise_value + avg) * (radius - 2));

for (auto& vertex : vertices) {

vertex += glm::vec3(0, 300, 300);

}

this->face.addVertices(vertices);

this->frame.addVertices(vertices);

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

this->face.addTriangle(this->face.getNumVertices() - 4, this->face.getNumVertices() - 5, this->face.getNumVertices() - 6);

this->face.addTriangle(this->face.getNumVertices() - 1, this->face.getNumVertices() - 2, this->face.getNumVertices() - 5);

this->face.addTriangle(this->face.getNumVertices() - 1, this->face.getNumVertices() - 5, this->face.getNumVertices() - 4);

this->face.addTriangle(this->face.getNumVertices() - 1, this->face.getNumVertices() - 3, this->face.getNumVertices() - 6);

this->face.addTriangle(this->face.getNumVertices() - 1, this->face.getNumVertices() - 6, this->face.getNumVertices() - 4);

this->face.addTriangle(this->face.getNumVertices() - 2, this->face.getNumVertices() - 3, this->face.getNumVertices() - 6);

this->face.addTriangle(this->face.getNumVertices() - 2, this->face.getNumVertices() - 6, this->face.getNumVertices() - 5);

this->frame.addIndex(this->frame.getNumVertices() - 1); this->frame.addIndex(this->frame.getNumVertices() - 2);

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

this->frame.addIndex(this->frame.getNumVertices() - 1); this->frame.addIndex(this->frame.getNumVertices() - 3);

this->frame.addIndex(this->frame.getNumVertices() - 4); this->frame.addIndex(this->frame.getNumVertices() - 5);

this->frame.addIndex(this->frame.getNumVertices() - 5); this->frame.addIndex(this->frame.getNumVertices() - 6);

this->frame.addIndex(this->frame.getNumVertices() - 4); this->frame.addIndex(this->frame.getNumVertices() - 6);

this->frame.addIndex(this->frame.getNumVertices() - 1); this->frame.addIndex(this->frame.getNumVertices() - 4);

this->frame.addIndex(this->frame.getNumVertices() - 2); this->frame.addIndex(this->frame.getNumVertices() - 5);

this->frame.addIndex(this->frame.getNumVertices() - 3); this->frame.addIndex(this->frame.getNumVertices() - 6);

}

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

void ofApp::draw() {

this->cam.begin();

ofRotateY(180);

ofSetColor(239);

this->face.draw();

ofSetColor(39);

this->frame.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) {

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));

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));

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/Insta20211008

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2021年10月6日2021年10月6日

Waving. Draw by openFrameworks

[ Video ]

[ About ]
波のトンネルみたいにしたくて、失敗した産物。

A product of a failed attempt to make it look like a wave tunnel.

[ 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(239);
	ofEnableDepthTest();

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

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

	ofSeedRandom(39);

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

	int radius = 300;
	int theta = 90;

	for (int z = -300; z <= 300; z += 20) {

		auto noise_value = ofNoise(z * 0.0025, ofGetFrameNum() * 0.01);
		auto phi_len = ofMap(noise_value, 0, 1, -180, 360 * 1.52);
		if (phi_len > 360) { phi_len = 360; }
		if (phi_len < 3) { phi_len = 3; }

		for (int phi = 0; phi < phi_len; phi += 3) {

			auto index = this->face.getNumVertices();
			vector<glm::vec3> vertices;

			vertices.push_back(glm::vec3(
				radius * cos(phi * DEG_TO_RAD) * sin((theta + 1) * DEG_TO_RAD),
				radius * sin(phi * DEG_TO_RAD) * sin((theta + 1) * DEG_TO_RAD),
				radius * cos((theta + 1) * DEG_TO_RAD)
			));
			vertices.push_back(glm::vec3(
				radius * cos((phi + 3) * DEG_TO_RAD) * sin((theta + 1) * DEG_TO_RAD),
				radius * sin((phi + 3) * DEG_TO_RAD) * sin((theta + 1) * DEG_TO_RAD),
				radius * cos((theta + 1) * DEG_TO_RAD)
			));
			vertices.push_back(glm::vec3(
				radius * cos((phi + 3) * DEG_TO_RAD) * sin((theta - 1) * DEG_TO_RAD),
				radius * sin((phi + 3) * DEG_TO_RAD) * sin((theta - 1) * DEG_TO_RAD),
				radius * cos((theta - 1) * DEG_TO_RAD)
			));
			vertices.push_back(glm::vec3(
				radius * cos(phi * DEG_TO_RAD) * sin((theta - 1) * DEG_TO_RAD),
				radius * sin(phi * DEG_TO_RAD) * sin((theta - 1) * DEG_TO_RAD),
				radius * cos((theta - 1) * DEG_TO_RAD)
			));

			vertices.push_back(glm::vec3(
				(radius - 30) * cos(phi * DEG_TO_RAD) * sin((theta + 1) * DEG_TO_RAD),
				(radius - 30) * sin(phi * DEG_TO_RAD) * sin((theta + 1) * DEG_TO_RAD),
				radius * cos((theta + 1) * DEG_TO_RAD)
			));
			vertices.push_back(glm::vec3(
				(radius - 30) * cos((phi + 3) * DEG_TO_RAD) * sin((theta + 1) * DEG_TO_RAD),
				(radius - 30) * sin((phi + 3) * DEG_TO_RAD) * sin((theta + 1) * DEG_TO_RAD),
				radius * cos((theta + 1) * DEG_TO_RAD)
			));
			vertices.push_back(glm::vec3(
				(radius - 30) * cos((phi + 3) * DEG_TO_RAD) * sin((theta - 1) * DEG_TO_RAD),
				(radius - 30) * sin((phi + 3) * DEG_TO_RAD) * sin((theta - 1) * DEG_TO_RAD),
				radius * cos((theta - 1) * DEG_TO_RAD)
			));
			vertices.push_back(glm::vec3(
				(radius - 30) * cos(phi * DEG_TO_RAD) * sin((theta - 1) * DEG_TO_RAD),
				(radius - 30) * sin(phi * DEG_TO_RAD) * sin((theta - 1) * DEG_TO_RAD),
				radius * cos((theta - 1) * DEG_TO_RAD)
			));

			for (auto& vertex : vertices) {

				vertex += glm::vec3(0, 0, z);
			}

			auto frame_index = this->frame.getNumVertices();

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

			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->face.addIndex(index + 4); this->face.addIndex(index + 5); this->face.addIndex(index + 6);
			this->face.addIndex(index + 4); this->face.addIndex(index + 6); this->face.addIndex(index + 7);

			this->face.addIndex(index + 0); this->face.addIndex(index + 4); this->face.addIndex(index + 5);
			this->face.addIndex(index + 0); this->face.addIndex(index + 5); this->face.addIndex(index + 1);

			this->face.addIndex(index + 2); this->face.addIndex(index + 6); this->face.addIndex(index + 7);
			this->face.addIndex(index + 2); this->face.addIndex(index + 7); this->face.addIndex(index + 3);

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

			this->frame.addIndex(index + 4); this->frame.addIndex(index + 5);
			this->frame.addIndex(index + 6); this->frame.addIndex(index + 7);

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

				this->face.addColor(ofColor(39));
				this->frame.addColor(ofColor(239));
			}

			if (phi == 0 && phi_len < 360) {

				this->frame.addIndex(frame_index + 0); this->frame.addIndex(frame_index + 3);
				this->frame.addIndex(frame_index + 0); this->frame.addIndex(frame_index + 4);
				this->frame.addIndex(frame_index + 7); this->frame.addIndex(frame_index + 3);
				this->frame.addIndex(frame_index + 7); this->frame.addIndex(frame_index + 4);

			}
		}

		if (phi_len < 360) {

			auto frame_index = this->frame.getNumVertices() - 8;

			this->frame.addIndex(frame_index + 1); this->frame.addIndex(frame_index + 2);
			this->frame.addIndex(frame_index + 1); this->frame.addIndex(frame_index + 5);
			this->frame.addIndex(frame_index + 6); this->frame.addIndex(frame_index + 2);
			this->frame.addIndex(frame_index + 6); this->frame.addIndex(frame_index + 5);
		}
	}
}


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

	this->cam.begin();
	ofRotateX(180);
	ofRotateY(90);

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

	this->cam.end();
}

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

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

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#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(60);

ofSetWindowTitle("openFrameworks");

ofBackground(239);

ofEnableDepthTest();

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

}

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

void ofApp::update() {

ofSeedRandom(39);

this->face.clear();

this->frame.clear();

int radius = 300;

int theta = 90;

for (int z = -300; z <= 300; z += 20) {

auto noise_value = ofNoise(z * 0.0025, ofGetFrameNum() * 0.01);

auto phi_len = ofMap(noise_value, 0, 1, -180, 360 * 1.52);

if (phi_len > 360) { phi_len = 360; }

if (phi_len < 3) { phi_len = 3; }

for (int phi = 0; phi < phi_len; phi += 3) {

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

vector<glm::vec3> vertices;

vertices.push_back(glm::vec3(

radius * cos(phi * DEG_TO_RAD) * sin((theta + 1) * DEG_TO_RAD),

radius * sin(phi * DEG_TO_RAD) * sin((theta + 1) * DEG_TO_RAD),

radius * cos((theta + 1) * DEG_TO_RAD)

));

vertices.push_back(glm::vec3(

radius * cos((phi + 3) * DEG_TO_RAD) * sin((theta + 1) * DEG_TO_RAD),

radius * sin((phi + 3) * DEG_TO_RAD) * sin((theta + 1) * DEG_TO_RAD),

radius * cos((theta + 1) * DEG_TO_RAD)

));

vertices.push_back(glm::vec3(

radius * cos((phi + 3) * DEG_TO_RAD) * sin((theta - 1) * DEG_TO_RAD),

radius * sin((phi + 3) * DEG_TO_RAD) * sin((theta - 1) * DEG_TO_RAD),

radius * cos((theta - 1) * DEG_TO_RAD)

));

vertices.push_back(glm::vec3(

radius * cos(phi * DEG_TO_RAD) * sin((theta - 1) * DEG_TO_RAD),

radius * sin(phi * DEG_TO_RAD) * sin((theta - 1) * DEG_TO_RAD),

radius * cos((theta - 1) * DEG_TO_RAD)

));

vertices.push_back(glm::vec3(

(radius - 30) * cos(phi * DEG_TO_RAD) * sin((theta + 1) * DEG_TO_RAD),

(radius - 30) * sin(phi * DEG_TO_RAD) * sin((theta + 1) * DEG_TO_RAD),

radius * cos((theta + 1) * DEG_TO_RAD)

));

vertices.push_back(glm::vec3(

(radius - 30) * cos((phi + 3) * DEG_TO_RAD) * sin((theta + 1) * DEG_TO_RAD),

(radius - 30) * sin((phi + 3) * DEG_TO_RAD) * sin((theta + 1) * DEG_TO_RAD),

radius * cos((theta + 1) * DEG_TO_RAD)

));

vertices.push_back(glm::vec3(

(radius - 30) * cos((phi + 3) * DEG_TO_RAD) * sin((theta - 1) * DEG_TO_RAD),

(radius - 30) * sin((phi + 3) * DEG_TO_RAD) * sin((theta - 1) * DEG_TO_RAD),

radius * cos((theta - 1) * DEG_TO_RAD)

));

vertices.push_back(glm::vec3(

(radius - 30) * cos(phi * DEG_TO_RAD) * sin((theta - 1) * DEG_TO_RAD),

(radius - 30) * sin(phi * DEG_TO_RAD) * sin((theta - 1) * DEG_TO_RAD),

radius * cos((theta - 1) * DEG_TO_RAD)

));

for (auto& vertex : vertices) {

vertex += glm::vec3(0, 0, z);

}

auto frame_index = this->frame.getNumVertices();

this->face.addVertices(vertices);

this->frame.addVertices(vertices);

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->face.addIndex(index + 4); this->face.addIndex(index + 5); this->face.addIndex(index + 6);

this->face.addIndex(index + 4); this->face.addIndex(index + 6); this->face.addIndex(index + 7);

this->face.addIndex(index + 0); this->face.addIndex(index + 4); this->face.addIndex(index + 5);

this->face.addIndex(index + 0); this->face.addIndex(index + 5); this->face.addIndex(index + 1);

this->face.addIndex(index + 2); this->face.addIndex(index + 6); this->face.addIndex(index + 7);

this->face.addIndex(index + 2); this->face.addIndex(index + 7); this->face.addIndex(index + 3);

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

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

this->frame.addIndex(index + 4); this->frame.addIndex(index + 5);

this->frame.addIndex(index + 6); this->frame.addIndex(index + 7);

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

this->face.addColor(ofColor(39));

this->frame.addColor(ofColor(239));

}

if (phi == 0 && phi_len < 360) {

this->frame.addIndex(frame_index + 0); this->frame.addIndex(frame_index + 3);

this->frame.addIndex(frame_index + 0); this->frame.addIndex(frame_index + 4);

this->frame.addIndex(frame_index + 7); this->frame.addIndex(frame_index + 3);

this->frame.addIndex(frame_index + 7); this->frame.addIndex(frame_index + 4);

}

if (phi_len < 360) {

auto frame_index = this->frame.getNumVertices() - 8;

this->frame.addIndex(frame_index + 1); this->frame.addIndex(frame_index + 2);

this->frame.addIndex(frame_index + 1); this->frame.addIndex(frame_index + 5);

this->frame.addIndex(frame_index + 6); this->frame.addIndex(frame_index + 2);

this->frame.addIndex(frame_index + 6); this->frame.addIndex(frame_index + 5);

}

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

void ofApp::draw() {

this->cam.begin();

ofRotateX(180);

ofRotateY(90);

this->face.draw();

this->frame.drawWireframe();

this->cam.end();

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20211006

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2024年5月
月	火	水	木	金	土	日
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