ofMesh – ページ 214 – プログラミング de 落描き

2019年12月14日

Point is connect each other. openFrameworks

[ Video ]

[ About ]
お互いをつなぐ点を円に配置してグルグル回す。

Point is connect each other.

[ 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 mesh;
};

#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 mesh;

};

#include "ofApp.h"

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

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

	ofBackground(239);
	ofSetColor(39);

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

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

	ofSeedRandom(39);

	this->mesh.clear();

	for (int i = 0; i < 5; i++) {

		auto angle_x = ofMap(ofNoise(ofRandom(1000), ofGetFrameNum() * 0.005), 0, 1, 0, PI);
		auto angle_y = ofMap(ofNoise(ofRandom(1000), ofGetFrameNum() * 0.005), 0, 1, 0, PI);
		auto angle_z = ofMap(ofNoise(ofRandom(1000), ofGetFrameNum() * 0.005), 0, 1, 0, PI);

		auto rotation_x = glm::rotate(glm::mat4(), angle_x, glm::vec3(1, 0, 0));
		auto rotation_y = glm::rotate(glm::mat4(), angle_y, glm::vec3(0, 1, 0));
		auto rotation_z = glm::rotate(glm::mat4(), angle_z, glm::vec3(0, 0, 1));

		for (int deg = 0; deg < 360; deg += 2) {

			auto location = glm::vec3(300 * cos(deg * DEG_TO_RAD), 300 * sin(deg * DEG_TO_RAD), 0);
			location = glm::vec4(location, 0) * rotation_z * rotation_y * rotation_x;

			this->mesh.addVertex(location);
		}
	}

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

		for (int k = 0; k < this->mesh.getNumVertices(); k++) {

			if (i == k) { continue; }

			if (glm::distance(this->mesh.getVertex(i), this->mesh.getVertex(k)) < 50) {

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

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

	this->cam.begin();

	this->mesh.drawWireframe();
	for (auto& vertex : this->mesh.getVertices()) {

		ofDrawSphere(vertex, 2);
	}

	this->cam.end();
}

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

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

#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(60);

ofSetWindowTitle("openframeworks");

ofBackground(239);

ofSetColor(39);

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

}

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

void ofApp::update() {

ofSeedRandom(39);

this->mesh.clear();

for (int i = 0; i < 5; i++) {

auto angle_x = ofMap(ofNoise(ofRandom(1000), ofGetFrameNum() * 0.005), 0, 1, 0, PI);

auto angle_y = ofMap(ofNoise(ofRandom(1000), ofGetFrameNum() * 0.005), 0, 1, 0, PI);

auto angle_z = ofMap(ofNoise(ofRandom(1000), ofGetFrameNum() * 0.005), 0, 1, 0, PI);

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

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

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

for (int deg = 0; deg < 360; deg += 2) {

auto location = glm::vec3(300 * cos(deg * DEG_TO_RAD), 300 * sin(deg * DEG_TO_RAD), 0);

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

this->mesh.addVertex(location);

}

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

for (int k = 0; k < this->mesh.getNumVertices(); k++) {

if (i == k) { continue; }

if (glm::distance(this->mesh.getVertex(i), this->mesh.getVertex(k)) < 50) {

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

}

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

void ofApp::draw() {

this->cam.begin();

this->mesh.drawWireframe();

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

ofDrawSphere(vertex, 2);

}

this->cam.end();

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20191214

2019年12月11日2019年12月11日

Circle are rotating. openFrameworks

[ Video ]

[ About ]
円をねじねじ。

Circle are rotationg.

[ 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<ofMesh> mesh_list, frame_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) {};

ofEasyCam cam;

vector<ofMesh> mesh_list, frame_list;

};

#include "ofApp.h"

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

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

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

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

	this->mesh_list.clear();
	this->frame_list.clear();

	for (int x = 120; x < ofGetWidth(); x += 240) {

		for (int y = 120; y < ofGetHeight(); y += 240) {

			ofMesh mesh, frame;
			frame.setMode(ofPrimitiveMode::OF_PRIMITIVE_LINES);
			for (int radius = 30; radius <= 100; radius += 10) {

				for (int deg = 0; deg < 360; deg += 1) {

					auto location = glm::vec3(radius * cos(deg * DEG_TO_RAD), radius * sin(deg * DEG_TO_RAD), 0);
					auto param = int(ofGetFrameNum() + location.x + x + y) % 450;
					auto angle = 0.f;
					if (param > 225) {

						angle = ofMap(param, 225, 450, 0, PI * 6);
					}
					auto rotation = glm::rotate(glm::mat4(), angle, glm::vec3(1, 0, 0));
					location = glm::vec3(x, y, 0) + glm::vec4(location, 0) * rotation;

					if (radius == 30 || radius == 100) {

						frame.addVertex(location);
					}

					mesh.addVertex(location);
				}
			}

			for (int base = 0; base < mesh.getNumVertices() - 360; base += 360) {

				for (int i = base; i < base + 360; i += 1) {

					mesh.addIndex(i); mesh.addIndex(i + 360); mesh.addIndex((i + 1) % 360 + base + 360);
					mesh.addIndex(i); mesh.addIndex((i + 1) % 360 + base); mesh.addIndex((i + 1) % 360 + base + 360);
				}
			}

			for (int i = 0; i < 360; i++) {

				frame.addIndex(i); frame.addIndex((i + 1) % 360);
				frame.addIndex(i + 360); frame.addIndex((i + 1) % 360 + 360);
			}

			this->mesh_list.push_back(mesh);
			this->frame_list.push_back(frame);
		}
	}
}

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

	ofSetColor(39);
	for(auto& mesh : this->mesh_list){

		mesh.draw();
	}

	ofSetColor(239);
	for (auto& frame : this->frame_list) {

		frame.drawWireframe();
	}
}

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

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

#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(60);

ofSetWindowTitle("openframeworks");

ofBackground(239);

ofSetLineWidth(2);

ofEnableDepthTest();

}

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

void ofApp::update() {

this->mesh_list.clear();

this->frame_list.clear();

for (int x = 120; x < ofGetWidth(); x += 240) {

for (int y = 120; y < ofGetHeight(); y += 240) {

ofMesh mesh, frame;

frame.setMode(ofPrimitiveMode::OF_PRIMITIVE_LINES);

for (int radius = 30; radius <= 100; radius += 10) {

for (int deg = 0; deg < 360; deg += 1) {

auto location = glm::vec3(radius * cos(deg * DEG_TO_RAD), radius * sin(deg * DEG_TO_RAD), 0);

auto param = int(ofGetFrameNum() + location.x + x + y) % 450;

auto angle = 0.f;

if (param > 225) {

angle = ofMap(param, 225, 450, 0, PI * 6);

}

auto rotation = glm::rotate(glm::mat4(), angle, glm::vec3(1, 0, 0));

location = glm::vec3(x, y, 0) + glm::vec4(location, 0) * rotation;

if (radius == 30 || radius == 100) {

frame.addVertex(location);

}

mesh.addVertex(location);

}

for (int base = 0; base < mesh.getNumVertices() - 360; base += 360) {

for (int i = base; i < base + 360; i += 1) {

mesh.addIndex(i); mesh.addIndex(i + 360); mesh.addIndex((i + 1) % 360 + base + 360);

mesh.addIndex(i); mesh.addIndex((i + 1) % 360 + base); mesh.addIndex((i + 1) % 360 + base + 360);

}

for (int i = 0; i < 360; i++) {

frame.addIndex(i); frame.addIndex((i + 1) % 360);

frame.addIndex(i + 360); frame.addIndex((i + 1) % 360 + 360);

}

this->mesh_list.push_back(mesh);

this->frame_list.push_back(frame);

}

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

void ofApp::draw() {

ofSetColor(39);

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

mesh.draw();

}

ofSetColor(239);

for (auto& frame : this->frame_list) {

frame.drawWireframe();

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20191211

2019年12月9日2019年12月9日

Soaring triangles. openFrameworks

[ Video ]

[ About ]
舞い上がる三角形。

Soaring triangles.

[ 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 mesh;
};

#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 mesh;

};

#include "ofApp.h"

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

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

	ofBackground(239);
	ofEnableDepthTest();
}

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

	ofSeedRandom(39);
	this->mesh.clear();

	int span = 10;
	for (int x = -600; x <= 600; x += span) {

		for (int y = -600; y <= 600; y += span) {

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

				if (i == 0) {
				
					this->mesh.addVertex(glm::vec3(x - span * 0.5, y - span * 0.5, 0));
					this->mesh.addVertex(glm::vec3(x + span * 0.5, y - span * 0.5, 0));
					this->mesh.addVertex(glm::vec3(x - span * 0.5, y + span * 0.5, 0));
				}
				else {

					this->mesh.addVertex(glm::vec3(x + span * 0.5, y - span * 0.5, 0));
					this->mesh.addVertex(glm::vec3(x + span * 0.5, y + span * 0.5, 0));
					this->mesh.addVertex(glm::vec3(x - span * 0.5, y + span * 0.5, 0));
				}

				int index = mesh.getNumVertices() - 3;
				auto avg = (mesh.getVertex(index) + mesh.getVertex(index + 1) + mesh.getVertex(index + 2)) / 3;
				auto z = 0;
				auto noise_value = ofNoise(glm::vec4(avg * 0.01, ofGetFrameNum() * 0.005));
				if (noise_value > 0.65) {

					z = ofMap(noise_value, 0.65, 1, 0, 300);
				}

				auto angle_x = ofMap(z, 0, 300, 0, PI * 10);
				auto angle_y = ofMap(z, 0, 300, 0, PI * 10);
				auto angle_z = ofMap(z, 0, 300, 0, PI * 10);

				auto rotation_x = glm::rotate(glm::mat4(), angle_x, glm::vec3(1, 0, 0));
				auto rotation_y = glm::rotate(glm::mat4(), angle_y, glm::vec3(0, 1, 0));
				auto rotation_z = glm::rotate(glm::mat4(), angle_z, glm::vec3(0, 0, 1));

				for (int k = index; k < this->mesh.getNumVertices(); k++) {

					auto vertex = this->mesh.getVertex(k);
					vertex -= avg;
					vertex = glm::vec4(vertex, 0) * rotation_z * rotation_y * rotation_x;
					vertex += avg + glm::vec3(0, 0, z);
					this->mesh.setVertex(k, vertex);
				}
			}
		}
	}
}

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

	this->cam.begin();

	ofSetColor(39);
	this->mesh.drawFaces();

	ofSetColor(239);
	this->mesh.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(239);

ofEnableDepthTest();

}

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

void ofApp::update() {

ofSeedRandom(39);

this->mesh.clear();

int span = 10;

for (int x = -600; x <= 600; x += span) {

for (int y = -600; y <= 600; y += span) {

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

if (i == 0) {

this->mesh.addVertex(glm::vec3(x - span * 0.5, y - span * 0.5, 0));

this->mesh.addVertex(glm::vec3(x + span * 0.5, y - span * 0.5, 0));

this->mesh.addVertex(glm::vec3(x - span * 0.5, y + span * 0.5, 0));

}

else {

this->mesh.addVertex(glm::vec3(x + span * 0.5, y - span * 0.5, 0));

this->mesh.addVertex(glm::vec3(x + span * 0.5, y + span * 0.5, 0));

this->mesh.addVertex(glm::vec3(x - span * 0.5, y + span * 0.5, 0));

}

int index = mesh.getNumVertices() - 3;

auto avg = (mesh.getVertex(index) + mesh.getVertex(index + 1) + mesh.getVertex(index + 2)) / 3;

auto z = 0;

auto noise_value = ofNoise(glm::vec4(avg * 0.01, ofGetFrameNum() * 0.005));

if (noise_value > 0.65) {

z = ofMap(noise_value, 0.65, 1, 0, 300);

}

auto angle_x = ofMap(z, 0, 300, 0, PI * 10);

auto angle_y = ofMap(z, 0, 300, 0, PI * 10);

auto angle_z = ofMap(z, 0, 300, 0, PI * 10);

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

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

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

for (int k = index; k < this->mesh.getNumVertices(); k++) {

auto vertex = this->mesh.getVertex(k);

vertex -= avg;

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

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

this->mesh.setVertex(k, vertex);

}

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

void ofApp::draw() {

this->cam.begin();

ofSetColor(39);

this->mesh.drawFaces();

ofSetColor(239);

this->mesh.drawWireframe();

this->cam.end();

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20191209

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