programming – ページ 444 – プログラミング de 落描き

2019年12月18日2019年12月18日

Mt.Fuji by vertex. openFrameworks

[ Video ]

[ About ]
富士山のSTLを頂点だけ描写。

Mt.Fuji by vertex.

STL:地理院地図3Dより

[ Source ]

#pragma once
#include "ofMain.h"
#include "ofxAssimpModelLoader.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;
		ofMesh mesh;
};

#pragma once

#include "ofMain.h"

#include "ofxAssimpModelLoader.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;

ofMesh mesh;

};

#include "ofApp.h"

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

	ofSetFrameRate(0);
	ofSetWindowTitle("openframeworks");

	ofBackground(0);
	ofEnableDepthTest();

	ofxAssimpModelLoader model_loader;
	model_loader.loadModel("fuji.stl");
	this->mesh = model_loader.getMesh(0);

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

		vertex -= glm::vec3(75, 0, 75);
		auto value = ofMap(vertex.y, 186.56, 100, 255, 0);
		this->mesh.addColor(ofColor(value));
	}
}

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

}

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

	this->cam.begin();
	ofRotateY(ofGetFrameNum() * 0.5);

	this->mesh.drawVertices();

	this->cam.end();
}

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

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

#include "ofApp.h"

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

void ofApp::setup(){

ofSetFrameRate(0);

ofSetWindowTitle("openframeworks");

ofBackground(0);

ofEnableDepthTest();

ofxAssimpModelLoader model_loader;

model_loader.loadModel("fuji.stl");

this->mesh = model_loader.getMesh(0);

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

vertex -= glm::vec3(75, 0, 75);

auto value = ofMap(vertex.y, 186.56, 100, 255, 0);

this->mesh.addColor(ofColor(value));

}

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

void ofApp::update(){

}

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

void ofApp::draw(){

this->cam.begin();

ofRotateY(ofGetFrameNum() * 0.5);

this->mesh.drawVertices();

this->cam.end();

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20191218

[ほしいものリスト]
Amazon

[ Sponsor Link ]

2019年12月17日2019年12月17日

Compare side by side. openFrameworks

[ Video ]

[ About ]
並べて見比べる。

Compare side by side.

[ 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(30);
	ofSetWindowTitle("openframeworks");

	ofBackground(239);

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

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

	ofSeedRandom(39);

	this->mesh.clear();

	for (int x = -650; x <= 650; x += 650) {

		for (int y = -650; y <= 650; y += 650) {

			int start_index = this->mesh.getNumVertices();
			for (int i = 0; i < 3; i++) {

				auto noise_seed = glm::vec3(ofRandom(1000), ofRandom(1000), ofRandom(1000));
				for (int deg = 0; deg < 360; deg += 2) {

					auto angle_x = ofMap(ofNoise(noise_seed.x, cos(deg * DEG_TO_RAD), ofGetFrameNum() * 0.006), 0, 1, 0, PI);
					auto angle_y = ofMap(ofNoise(noise_seed.y, sin(deg * DEG_TO_RAD), ofGetFrameNum() * 0.006), 0, 1, 0, PI);
					auto angle_z = ofMap(ofNoise(noise_seed.z, ofGetFrameNum() * 0.006), 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));

					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 + glm::vec3(x, y, 0));
				}
			}

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

				for (int k = i + 1; k < end_index; k++) {

					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();

	ofSetColor(39, 64);
	this->mesh.drawWireframe();

	ofSetColor(39);
	for (auto& vertex : this->mesh.getVertices()) {

		ofDrawSphere(vertex, 3);
	}

	this->cam.end();
}

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

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

#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(30);

ofSetWindowTitle("openframeworks");

ofBackground(239);

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

}

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

void ofApp::update() {

ofSeedRandom(39);

this->mesh.clear();

for (int x = -650; x <= 650; x += 650) {

for (int y = -650; y <= 650; y += 650) {

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

for (int i = 0; i < 3; i++) {

auto noise_seed = glm::vec3(ofRandom(1000), ofRandom(1000), ofRandom(1000));

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

auto angle_x = ofMap(ofNoise(noise_seed.x, cos(deg * DEG_TO_RAD), ofGetFrameNum() * 0.006), 0, 1, 0, PI);

auto angle_y = ofMap(ofNoise(noise_seed.y, sin(deg * DEG_TO_RAD), ofGetFrameNum() * 0.006), 0, 1, 0, PI);

auto angle_z = ofMap(ofNoise(noise_seed.z, ofGetFrameNum() * 0.006), 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));

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 + glm::vec3(x, y, 0));

}

int end_index = this->mesh.getNumVertices();

for (int i = start_index; i < end_index; i++) {

for (int k = i + 1; k < end_index; k++) {

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();

ofSetColor(39, 64);

this->mesh.drawWireframe();

ofSetColor(39);

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

ofDrawSphere(vertex, 3);

}

this->cam.end();

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20191217

[ほしいものリスト]
Amazon

[ Sponsor Link ]

2019年12月16日2019年12月16日

Start 4th year ! openFrameworks

[ Video ]

[ About ]
4年目スタート！

Start 4th year !

[ 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 base_mesh, draw_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 base_mesh, draw_mesh;

};

#include "ofApp.h"

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

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

	ofBackground(239);
	ofEnableDepthTest();
	
	ofFbo fbo;
	fbo.allocate(ofGetWidth(), ofGetHeight());
	fbo.begin();
	ofTranslate(ofGetWidth() * 0.5, ofGetHeight() * 0.5);
	ofClear(0);
	ofSetColor(0);

	ofTrueTypeFont font;
	font.loadFont("fonts/Kazesawa-Bold.ttf", 400, true, true, true);

	string word = "4";
	font.drawString(word, font.stringWidth(word) * -0.5, font.stringHeight(word));

	fbo.end();

	auto span = 15;

	ofPixels pixels;
	fbo.readToPixels(pixels);
	for (int x = 0; x < fbo.getWidth(); x += span) {

		for (int y = 0; y < fbo.getHeight(); y += span) {

			ofColor color = pixels.getColor(x, y);
			if (color != ofColor(0, 0)) {

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

					this->base_mesh.addVertex(glm::vec3(x - ofGetWidth() * 0.5, ofGetHeight() - y - ofGetWidth() * 0.25, z));
				}
			}
		}
	}

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

	ofSetColor(39);
}

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

	ofSeedRandom(39);

	this->draw_mesh.clear();

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

		auto location = this->base_mesh.getVertex(i);
		auto param = int(ofGetFrameNum() * 2 + location.y) % 600;
		if (param > 300) {

			auto angle = ofMap(param, 300, 600, 0, PI * 2);
			auto rotation = glm::rotate(glm::mat4(), angle, glm::vec3(0, 1, 0));
			location = glm::vec4(location, 0) * rotation;
		}

		this->draw_mesh.addVertex(location);
	}

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

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

			if (i == k) { continue; }

			if (glm::fastDistance(this->draw_mesh.getVertex(i), this->draw_mesh.getVertex(k)) < 20) {

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

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

	this->cam.begin();

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

		ofDrawSphere(vertex, 2);
	}

	this->cam.end();
}

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

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

100

101

102

103

104

105

#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(60);

ofSetWindowTitle("openframeworks");

ofBackground(239);

ofEnableDepthTest();

ofFbo fbo;

fbo.allocate(ofGetWidth(), ofGetHeight());

fbo.begin();

ofTranslate(ofGetWidth() * 0.5, ofGetHeight() * 0.5);

ofClear(0);

ofSetColor(0);

ofTrueTypeFont font;

font.loadFont("fonts/Kazesawa-Bold.ttf", 400, true, true, true);

string word = "4";

font.drawString(word, font.stringWidth(word) * -0.5, font.stringHeight(word));

fbo.end();

auto span = 15;

ofPixels pixels;

fbo.readToPixels(pixels);

for (int x = 0; x < fbo.getWidth(); x += span) {

for (int y = 0; y < fbo.getHeight(); y += span) {

ofColor color = pixels.getColor(x, y);

if (color != ofColor(0, 0)) {

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

this->base_mesh.addVertex(glm::vec3(x - ofGetWidth() * 0.5, ofGetHeight() - y - ofGetWidth() * 0.25, z));

}

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

ofSetColor(39);

}

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

void ofApp::update() {

ofSeedRandom(39);

this->draw_mesh.clear();

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

auto location = this->base_mesh.getVertex(i);

auto param = int(ofGetFrameNum() * 2 + location.y) % 600;

if (param > 300) {

auto angle = ofMap(param, 300, 600, 0, PI * 2);

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

location = glm::vec4(location, 0) * rotation;

}

this->draw_mesh.addVertex(location);

}

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

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

if (i == k) { continue; }

if (glm::fastDistance(this->draw_mesh.getVertex(i), this->draw_mesh.getVertex(k)) < 20) {

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

}

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

void ofApp::draw() {

this->cam.begin();

this->draw_mesh.drawWireframe();

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

ofDrawSphere(vertex, 2);

}

this->cam.end();

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20191216

[ほしいものリスト]
Amazon

[ Sponsor Link ]

2024年4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