sphere – ページ 46 – プログラミング de 落描き

2020年2月5日2020年2月5日

Two layer sphere. openFrameworks

[ Video ]

[ About ]
Two layer sphere.

[ 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;
	ofIcoSpherePrimitive ico_sphere;
	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;

ofIcoSpherePrimitive ico_sphere;

ofMesh mesh;

};

#include "ofApp.h"

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

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

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

	this->ico_sphere = ofIcoSpherePrimitive(300, 4);
}

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

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

	for (auto& triangle : triangle_list) {

		auto index = this->mesh.getNumVertices();
		glm::vec3 avg = (triangle.getVertex(0) + triangle.getVertex(1) + triangle.getVertex(2)) / 3;
		auto noise_value = ofNoise(glm::vec4(avg * 0.01, ofGetFrameNum() * 0.005));
		auto noise_radius = 0;
		
		if (noise_value >= 0 && noise_value < 0.55) {

			noise_radius = 200;
		}
		else if (noise_value >= 0.55 && noise_value < 0.6) {

			noise_radius = ofMap(noise_value, 0.55, 0.6, 200, 300);
		}
		else {

			noise_radius = 300;
		}

		mesh.addVertex(glm::normalize(triangle.getVertex(0)) * noise_radius);
		mesh.addVertex(glm::normalize(triangle.getVertex(1)) * noise_radius);
		mesh.addVertex(glm::normalize(triangle.getVertex(2)) * noise_radius);

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

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

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

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

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

	this->cam.end();
}

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

	ofSetupOpenGL(1280, 720, OF_WINDOW);
	ofRunApp(new ofApp());
}

#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(60);

ofSetWindowTitle("openframeworks");

ofBackground(239);

ofSetLineWidth(2);

ofEnableDepthTest();

this->ico_sphere = ofIcoSpherePrimitive(300, 4);

}

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

void ofApp::update() {

this->mesh.clear();

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

for (auto& triangle : triangle_list) {

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

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

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

auto noise_radius = 0;

if (noise_value >= 0 && noise_value < 0.55) {

noise_radius = 200;

}

else if (noise_value >= 0.55 && noise_value < 0.6) {

noise_radius = ofMap(noise_value, 0.55, 0.6, 200, 300);

}

else {

noise_radius = 300;

}

mesh.addVertex(glm::normalize(triangle.getVertex(0)) * noise_radius);

mesh.addVertex(glm::normalize(triangle.getVertex(1)) * noise_radius);

mesh.addVertex(glm::normalize(triangle.getVertex(2)) * noise_radius);

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

}

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

void ofApp::draw() {

this->cam.begin();

ofRotateY(ofGetFrameNum() * 0.5);

ofSetColor(239);

this->mesh.draw();

ofSetColor(39);

this->mesh.drawWireframe();

this->cam.end();

}

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

int main() {

ofSetupOpenGL(1280, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20200205

[ほしいものリスト]
Amazon

[ Sponsor Link ]

2020年2月1日2020年1月31日

Character ring. openFrameworks

[ Video ]

[ About ]
文字リング。

Character ring.

[ 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<ofPath> path_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<ofPath> path_list;

};

#include "ofApp.h"	

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

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

	ofBackground(239);
	ofSetColor(39);
	ofSetRectMode(ofRectMode::OF_RECTMODE_CENTER);
	ofEnableDepthTest();

	ofTrueTypeFont font;
	font.loadFont("fonts/Kazesawa-Bold.ttf", 28, true, true, true);

	string word = "PCDTOKYO2020PCDTOKYO2020";
	for (int i = 0; i < (int)word.size(); i++) {

		this->path_list.push_back(font.getCharacterAsPoints(word[i], true, false));
	}
}

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

	ofSeedRandom(39);
}

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

	this->cam.begin();

	ofFill();
	ofSetColor(39);
	ofDrawSphere(glm::vec3(), 180);

	int y = 0;
	for (auto radius = 200; radius < 250; radius += 5) {

		ofRotateX(ofMap(ofNoise(ofRandom(10000), ofGetFrameNum() * 0.001), 0, 1, 0, 360));
		ofRotateZ(ofMap(ofNoise(ofRandom(10000), ofGetFrameNum() * 0.001), 0, 1, 0, 360));
		for (int deg = 0; deg < 360; deg += 5) {

			auto location = glm::vec3(0, y, -radius);
			auto rotation_y = glm::rotate(glm::mat4(), (float)(deg * DEG_TO_RAD), glm::vec3(0, 1, 0));
			location = glm::vec4(location, 0) * rotation_y;

			ofPushMatrix();
			ofTranslate(location);
			ofRotateY(180 - deg);
			ofRotateX(180);

			int noise_index = ofMap(ofNoise(location.x * 0.008, location.y * 0.008, location.z * 0.008, ofGetFrameNum() * 0.005), 0, 1, 0, path_list.size());
			int tmp_size = (2 * radius * PI) / 72;
			auto outline = path_list[noise_index].getOutline();

			ofSetColor(239);
			ofFill();
			ofBeginShape();
			for (int line_index = 0; line_index < outline.size(); line_index++) {

				if (line_index != 0) { ofNextContour(true); }

				auto vertices = outline[line_index].getVertices();
				for (int i = 0; i < vertices.size(); i++) {

					ofVertex((vertices[i] / 28 * tmp_size) + glm::vec2(tmp_size * -0.5, tmp_size * 0.5));
				}
			}
			ofEndShape(true);

			ofSetColor(39);
			ofNoFill();
			ofBeginShape();
			for (int line_index = 0; line_index < outline.size(); line_index++) {

				if (line_index != 0) { ofNextContour(true); }

				auto vertices = outline[line_index].getVertices();
				for (int i = 0; i < vertices.size(); i++) {

					ofVertex((vertices[i] / 28 * tmp_size) + glm::vec2(tmp_size * -0.5, tmp_size * 0.5));
				}
			}
			ofEndShape(true);

			ofPopMatrix();
		}
	}

	this->cam.end();
}

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

	ofSetupOpenGL(1280, 720, OF_WINDOW);
	ofRunApp(new ofApp());
}

100

101

#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(60);

ofSetWindowTitle("openFrameworks");

ofBackground(239);

ofSetColor(39);

ofSetRectMode(ofRectMode::OF_RECTMODE_CENTER);

ofEnableDepthTest();

ofTrueTypeFont font;

font.loadFont("fonts/Kazesawa-Bold.ttf", 28, true, true, true);

string word = "PCDTOKYO2020PCDTOKYO2020";

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

this->path_list.push_back(font.getCharacterAsPoints(word[i], true, false));

}

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

void ofApp::update() {

ofSeedRandom(39);

}

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

void ofApp::draw() {

this->cam.begin();

ofFill();

ofSetColor(39);

ofDrawSphere(glm::vec3(), 180);

int y = 0;

for (auto radius = 200; radius < 250; radius += 5) {

ofRotateX(ofMap(ofNoise(ofRandom(10000), ofGetFrameNum() * 0.001), 0, 1, 0, 360));

ofRotateZ(ofMap(ofNoise(ofRandom(10000), ofGetFrameNum() * 0.001), 0, 1, 0, 360));

for (int deg = 0; deg < 360; deg += 5) {

auto location = glm::vec3(0, y, -radius);

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

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

ofPushMatrix();

ofTranslate(location);

ofRotateY(180 - deg);

ofRotateX(180);

int noise_index = ofMap(ofNoise(location.x * 0.008, location.y * 0.008, location.z * 0.008, ofGetFrameNum() * 0.005), 0, 1, 0, path_list.size());

int tmp_size = (2 * radius * PI) / 72;

auto outline = path_list[noise_index].getOutline();

ofSetColor(239);

ofFill();

ofBeginShape();

for (int line_index = 0; line_index < outline.size(); line_index++) {

if (line_index != 0) { ofNextContour(true); }

auto vertices = outline[line_index].getVertices();

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

ofVertex((vertices[i] / 28 * tmp_size) + glm::vec2(tmp_size * -0.5, tmp_size * 0.5));

}

ofEndShape(true);

ofSetColor(39);

ofNoFill();

ofBeginShape();

for (int line_index = 0; line_index < outline.size(); line_index++) {

if (line_index != 0) { ofNextContour(true); }

auto vertices = outline[line_index].getVertices();

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

ofVertex((vertices[i] / 28 * tmp_size) + glm::vec2(tmp_size * -0.5, tmp_size * 0.5));

}

ofEndShape(true);

ofPopMatrix();

}

this->cam.end();

}

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

int main() {

ofSetupOpenGL(1280, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20200201

[ほしいものリスト]
Amazon

[ Sponsor Link ]

2020年1月29日2020年1月29日

Character on the sphere. openFrameworks

[ Video ]

[ About ]
球体上の座標で浮遊する文字。

Character on the sphere.

[ 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;

	float font_size;
	ofTrueTypeFont font;
};

#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;

float font_size;

ofTrueTypeFont font;

};

#include "ofApp.h"

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

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

	ofBackground(239);
	ofSetColor(39);
	ofSetLineWidth(1.5);
	ofNoFill();
	ofEnableDepthTest();

	this->font_size = 30;
	this->font.loadFont("fonts/Kazesawa-Bold.ttf", this->font_size, true, true, true);
}

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

	ofSeedRandom(39);
}

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

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

	vector<string> word_list = {
		"A", "B", "C", "D", "E", "F",
		"G", "H", "I", "J", "K", "L",
		"M", "N", "O", "P", "Q", "R",
		"S", "T", "U", "V", "V", "X",
		"Y", "Z" };

	int sample_count = 180;
	for (auto& word : word_list) {

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

		auto word_size = this->font.getStringBoundingBox(word, 0, 0);
		vector<ofPath> word_path = this->font.getStringAsPoints(word, true, false);
		for (int word_index = 0; word_index < word_path.size(); word_index++) {

			vector<ofPolyline> outline = word_path[word_index].getOutline();

			ofFill();
			ofSetColor(239);
			ofBeginShape();
			for (int outline_index = 0; outline_index < outline.size(); outline_index++) {

				if (outline_index != 0) { ofNextContour(true); }

				auto vertices = outline[outline_index].getResampledByCount(sample_count).getVertices();
				for (auto& vertex : vertices) {

					auto noise_location = glm::vec3(
						ofMap(ofNoise(noise_param.x, vertex.x * 0.005 - ofGetFrameNum() * 0.005), 0, 1, -300, 300),
						ofMap(ofNoise(noise_param.y, vertex.x * 0.005 - ofGetFrameNum() * 0.005), 0, 1, -300, 300),
						ofMap(ofNoise(noise_param.z, vertex.x * 0.005 - ofGetFrameNum() * 0.005), 0, 1, -300, 300));

					auto location = noise_location + vertex - glm::vec3(word_size.getWidth() * 0.5, -word_size.getHeight() * 0.5, 0);
					location = glm::normalize(location) * 200;
					ofVertex(location);
				}
			}
			ofEndShape(true);

			ofNoFill();
			ofSetColor(39);
			ofBeginShape();
			for (int outline_index = 0; outline_index < outline.size(); outline_index++) {

				if (outline_index != 0) { ofNextContour(true); }

				auto vertices = outline[outline_index].getResampledByCount(sample_count).getVertices();
				for (auto& vertex : vertices) {

					auto noise_location = glm::vec3(
						ofMap(ofNoise(noise_param.x, vertex.x * 0.005 - ofGetFrameNum() * 0.005), 0, 1, -300, 300),
						ofMap(ofNoise(noise_param.y, vertex.x * 0.005 - ofGetFrameNum() * 0.005), 0, 1, -300, 300),
						ofMap(ofNoise(noise_param.z, vertex.x * 0.005 - ofGetFrameNum() * 0.005), 0, 1, -300, 300));

					auto location = noise_location + vertex - glm::vec3(word_size.getWidth() * 0.5, -word_size.getHeight() * 0.5, 0);
					location = glm::normalize(location) * 200;
					ofVertex(location);
				}
			}
			ofEndShape(true);
		}
	}

	this->cam.end();
}

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

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

100

101

102

103

#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(60);

ofSetWindowTitle("openframeworks");

ofBackground(239);

ofSetColor(39);

ofSetLineWidth(1.5);

ofNoFill();

ofEnableDepthTest();

this->font_size = 30;

this->font.loadFont("fonts/Kazesawa-Bold.ttf", this->font_size, true, true, true);

}

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

void ofApp::update() {

ofSeedRandom(39);

}

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

void ofApp::draw() {

this->cam.begin();

ofRotateX(180);

vector<string> word_list = {

"A", "B", "C", "D", "E", "F",

"G", "H", "I", "J", "K", "L",

"M", "N", "O", "P", "Q", "R",

"S", "T", "U", "V", "V", "X",

"Y", "Z" };

int sample_count = 180;

for (auto& word : word_list) {

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

auto word_size = this->font.getStringBoundingBox(word, 0, 0);

vector<ofPath> word_path = this->font.getStringAsPoints(word, true, false);

for (int word_index = 0; word_index < word_path.size(); word_index++) {

vector<ofPolyline> outline = word_path[word_index].getOutline();

ofFill();

ofSetColor(239);

ofBeginShape();

for (int outline_index = 0; outline_index < outline.size(); outline_index++) {

if (outline_index != 0) { ofNextContour(true); }

auto vertices = outline[outline_index].getResampledByCount(sample_count).getVertices();

for (auto& vertex : vertices) {

auto noise_location = glm::vec3(

ofMap(ofNoise(noise_param.x, vertex.x * 0.005 - ofGetFrameNum() * 0.005), 0, 1, -300, 300),

ofMap(ofNoise(noise_param.y, vertex.x * 0.005 - ofGetFrameNum() * 0.005), 0, 1, -300, 300),

ofMap(ofNoise(noise_param.z, vertex.x * 0.005 - ofGetFrameNum() * 0.005), 0, 1, -300, 300));

auto location = noise_location + vertex - glm::vec3(word_size.getWidth() * 0.5, -word_size.getHeight() * 0.5, 0);

location = glm::normalize(location) * 200;

ofVertex(location);

}

ofEndShape(true);

ofNoFill();

ofSetColor(39);

ofBeginShape();

for (int outline_index = 0; outline_index < outline.size(); outline_index++) {

if (outline_index != 0) { ofNextContour(true); }

auto vertices = outline[outline_index].getResampledByCount(sample_count).getVertices();

for (auto& vertex : vertices) {

auto noise_location = glm::vec3(

ofMap(ofNoise(noise_param.x, vertex.x * 0.005 - ofGetFrameNum() * 0.005), 0, 1, -300, 300),

ofMap(ofNoise(noise_param.y, vertex.x * 0.005 - ofGetFrameNum() * 0.005), 0, 1, -300, 300),

ofMap(ofNoise(noise_param.z, vertex.x * 0.005 - ofGetFrameNum() * 0.005), 0, 1, -300, 300));

auto location = noise_location + vertex - glm::vec3(word_size.getWidth() * 0.5, -word_size.getHeight() * 0.5, 0);

location = glm::normalize(location) * 200;

ofVertex(location);

}

ofEndShape(true);

}

this->cam.end();

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20200129

[ほしいものリスト]
Amazon

[ Sponsor Link ]

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