openFrameworks – ページ 474 – プログラミング de 落描き

2021年4月6日2021年4月6日

Reversal 20210406. Draw by openFrameworks

[ Video ]

[ About ]
Reversal.

[ 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) {};

	ofFbo fbo1, fbo2;
	ofShader shader;
};

#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) {};

ofFbo fbo1, fbo2;

ofShader shader;

};

#include "ofApp.h"

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

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

	ofBackground(239);
	ofSetLineWidth(3);
	ofEnableDepthTest();

	this->fbo1.allocate(ofGetWidth(), ofGetHeight());
	this->fbo2.allocate(ofGetWidth(), ofGetHeight());
	this->shader.load("shader/shader.vert", "shader/shader.frag");
}

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

	this->fbo1.begin();
	ofClear(0);
	
	ofTranslate(ofGetWidth() * 0.5, ofGetHeight() * 0.5);
	ofRotateX(ofGetFrameNum() * 0.37);
	ofRotateY(ofGetFrameNum() * 0.72);

	ofMesh face, frame;
	frame.setMode(ofPrimitiveMode::OF_PRIMITIVE_LINES);

	float phi_deg_step = 5;
	float theta_deg_step = 3;
	float radius = 250;

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

		for (float theta_deg = 0; theta_deg < 180; theta_deg += theta_deg_step) {

			auto noise_value = ofNoise(radius * cos(phi_deg * DEG_TO_RAD) * 0.02, radius * sin(phi_deg * DEG_TO_RAD) * 0.02, radius * cos(theta_deg * DEG_TO_RAD) * 0.02, ofGetFrameNum() * 0.005);
			if (noise_value < 0.45) { continue; }

			auto noise_1 = ofNoise(radius * cos(phi_deg * DEG_TO_RAD) * 0.02, radius * sin(phi_deg * DEG_TO_RAD) * 0.02, radius * cos((theta_deg - theta_deg_step) * DEG_TO_RAD) * 0.02, ofGetFrameNum() * 0.005);
			auto noise_2 = ofNoise(radius * cos((phi_deg + phi_deg_step) * DEG_TO_RAD) * 0.02, radius * sin((phi_deg + phi_deg_step) * DEG_TO_RAD) * 0.02, radius * cos(theta_deg * DEG_TO_RAD) * 0.02, ofGetFrameNum() * 0.005);
			auto noise_3 = ofNoise(radius * cos((phi_deg - phi_deg_step) * DEG_TO_RAD) * 0.02, radius * sin((phi_deg - phi_deg_step) * DEG_TO_RAD) * 0.02, radius * cos(theta_deg * DEG_TO_RAD) * 0.02, ofGetFrameNum() * 0.005);
			auto noise_4 = ofNoise(radius * cos(phi_deg * DEG_TO_RAD) * 0.02, radius * sin(phi_deg * DEG_TO_RAD) * 0.02, radius * cos((theta_deg + theta_deg_step) * DEG_TO_RAD) * 0.02, ofGetFrameNum() * 0.005);

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

			vertices.push_back(glm::vec3(
				radius * sin((theta_deg - theta_deg_step * 0.5) * DEG_TO_RAD) * cos((phi_deg + phi_deg_step * 0.5) * DEG_TO_RAD),
				radius * sin((theta_deg - theta_deg_step * 0.5) * DEG_TO_RAD) * sin((phi_deg + phi_deg_step * 0.5) * DEG_TO_RAD),
				radius * cos((theta_deg - theta_deg_step * 0.5) * DEG_TO_RAD)));
			vertices.push_back(glm::vec3(
				radius * sin((theta_deg - theta_deg_step * 0.5) * DEG_TO_RAD) * cos((phi_deg - phi_deg_step * 0.5) * DEG_TO_RAD),
				radius * sin((theta_deg - theta_deg_step * 0.5) * DEG_TO_RAD) * sin((phi_deg - phi_deg_step * 0.5) * DEG_TO_RAD),
				radius * cos((theta_deg - theta_deg_step * 0.5) * DEG_TO_RAD)));
			vertices.push_back(glm::vec3(
				radius * sin((theta_deg + theta_deg_step * 0.5) * DEG_TO_RAD) * cos((phi_deg + phi_deg_step * 0.5) * DEG_TO_RAD),
				radius * sin((theta_deg + theta_deg_step * 0.5) * DEG_TO_RAD) * sin((phi_deg + phi_deg_step * 0.5) * DEG_TO_RAD),
				radius * cos((theta_deg + theta_deg_step * 0.5) * DEG_TO_RAD)));
			vertices.push_back(glm::vec3(
				radius * sin((theta_deg + theta_deg_step * 0.5) * DEG_TO_RAD) * cos((phi_deg - phi_deg_step * 0.5) * DEG_TO_RAD),
				radius * sin((theta_deg + theta_deg_step * 0.5) * DEG_TO_RAD) * sin((phi_deg - phi_deg_step * 0.5) * DEG_TO_RAD),
				radius * cos((theta_deg + theta_deg_step * 0.5) * DEG_TO_RAD)));

			face.addVertices(vertices);

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

			if (noise_1 < 0.45) {

				frame.addVertex(vertices[0]);
				frame.addVertex(vertices[1]);

				frame.addIndex(frame.getNumVertices() - 1);
				frame.addIndex(frame.getNumVertices() - 2);
			}

			if (noise_2 < 0.45) {

				frame.addVertex(vertices[0]);
				frame.addVertex(vertices[2]);

				frame.addIndex(frame.getNumVertices() - 1);
				frame.addIndex(frame.getNumVertices() - 2);
			}

			if (noise_3 < 0.45) {

				frame.addVertex(vertices[1]);
				frame.addVertex(vertices[3]);

				frame.addIndex(frame.getNumVertices() - 1);
				frame.addIndex(frame.getNumVertices() - 2);
			}

			if (noise_4 < 0.45) {

				frame.addVertex(vertices[2]);
				frame.addVertex(vertices[3]);

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

			}
		}
	}

	ofSetColor(0);
	face.draw();

	ofSetColor(255);
	frame.drawWireframe();
		
	this->fbo1.end();

	this->fbo2.begin();
	ofClear(0);
	ofSetColor(0);

	int span = 180;
	auto flag = true;
	for (int x = 0; x < ofGetWidth(); x += span) {

		for (int y = 0; y < ofGetHeight(); y += span) {

			if (flag) { ofDrawRectangle(x, y, span, span); }
			flag = !flag;
		}
		flag = !flag;
	}

	this->fbo2.end();
}

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

	ofSetColor(255);
	ofFill();
	this->shader.begin();
	this->shader.setUniform1f("time", ofGetElapsedTimef());
	this->shader.setUniform2f("resolution", ofGetWidth(), ofGetHeight());
	this->shader.setUniformTexture("tex1", this->fbo1.getTexture(), 1);
	this->shader.setUniformTexture("tex2", this->fbo2.getTexture(), 2);

	ofDrawRectangle(glm::vec2(0, 0), ofGetWidth(), ofGetHeight());

	this->shader.end();
}

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

	ofGLWindowSettings settings;
	settings.setGLVersion(3, 2);
	settings.setSize(720, 720);
	ofCreateWindow(settings);
	ofRunApp(new ofApp());
}

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#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(60);

ofSetWindowTitle("openFrameworks");

ofBackground(239);

ofSetLineWidth(3);

ofEnableDepthTest();

this->fbo1.allocate(ofGetWidth(), ofGetHeight());

this->fbo2.allocate(ofGetWidth(), ofGetHeight());

this->shader.load("shader/shader.vert", "shader/shader.frag");

}

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

void ofApp::update() {

this->fbo1.begin();

ofClear(0);

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

ofRotateX(ofGetFrameNum() * 0.37);

ofRotateY(ofGetFrameNum() * 0.72);

ofMesh face, frame;

frame.setMode(ofPrimitiveMode::OF_PRIMITIVE_LINES);

float phi_deg_step = 5;

float theta_deg_step = 3;

float radius = 250;

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

for (float theta_deg = 0; theta_deg < 180; theta_deg += theta_deg_step) {

auto noise_value = ofNoise(radius * cos(phi_deg * DEG_TO_RAD) * 0.02, radius * sin(phi_deg * DEG_TO_RAD) * 0.02, radius * cos(theta_deg * DEG_TO_RAD) * 0.02, ofGetFrameNum() * 0.005);

if (noise_value < 0.45) { continue; }

auto noise_1 = ofNoise(radius * cos(phi_deg * DEG_TO_RAD) * 0.02, radius * sin(phi_deg * DEG_TO_RAD) * 0.02, radius * cos((theta_deg - theta_deg_step) * DEG_TO_RAD) * 0.02, ofGetFrameNum() * 0.005);

auto noise_2 = ofNoise(radius * cos((phi_deg + phi_deg_step) * DEG_TO_RAD) * 0.02, radius * sin((phi_deg + phi_deg_step) * DEG_TO_RAD) * 0.02, radius * cos(theta_deg * DEG_TO_RAD) * 0.02, ofGetFrameNum() * 0.005);

auto noise_3 = ofNoise(radius * cos((phi_deg - phi_deg_step) * DEG_TO_RAD) * 0.02, radius * sin((phi_deg - phi_deg_step) * DEG_TO_RAD) * 0.02, radius * cos(theta_deg * DEG_TO_RAD) * 0.02, ofGetFrameNum() * 0.005);

auto noise_4 = ofNoise(radius * cos(phi_deg * DEG_TO_RAD) * 0.02, radius * sin(phi_deg * DEG_TO_RAD) * 0.02, radius * cos((theta_deg + theta_deg_step) * DEG_TO_RAD) * 0.02, ofGetFrameNum() * 0.005);

auto index = face.getNumVertices();

vector<glm::vec3> vertices;

vertices.push_back(glm::vec3(

radius * sin((theta_deg - theta_deg_step * 0.5) * DEG_TO_RAD) * cos((phi_deg + phi_deg_step * 0.5) * DEG_TO_RAD),

radius * sin((theta_deg - theta_deg_step * 0.5) * DEG_TO_RAD) * sin((phi_deg + phi_deg_step * 0.5) * DEG_TO_RAD),

radius * cos((theta_deg - theta_deg_step * 0.5) * DEG_TO_RAD)));

vertices.push_back(glm::vec3(

radius * sin((theta_deg - theta_deg_step * 0.5) * DEG_TO_RAD) * cos((phi_deg - phi_deg_step * 0.5) * DEG_TO_RAD),

radius * sin((theta_deg - theta_deg_step * 0.5) * DEG_TO_RAD) * sin((phi_deg - phi_deg_step * 0.5) * DEG_TO_RAD),

radius * cos((theta_deg - theta_deg_step * 0.5) * DEG_TO_RAD)));

vertices.push_back(glm::vec3(

radius * sin((theta_deg + theta_deg_step * 0.5) * DEG_TO_RAD) * cos((phi_deg + phi_deg_step * 0.5) * DEG_TO_RAD),

radius * sin((theta_deg + theta_deg_step * 0.5) * DEG_TO_RAD) * sin((phi_deg + phi_deg_step * 0.5) * DEG_TO_RAD),

radius * cos((theta_deg + theta_deg_step * 0.5) * DEG_TO_RAD)));

vertices.push_back(glm::vec3(

radius * sin((theta_deg + theta_deg_step * 0.5) * DEG_TO_RAD) * cos((phi_deg - phi_deg_step * 0.5) * DEG_TO_RAD),

radius * sin((theta_deg + theta_deg_step * 0.5) * DEG_TO_RAD) * sin((phi_deg - phi_deg_step * 0.5) * DEG_TO_RAD),

radius * cos((theta_deg + theta_deg_step * 0.5) * DEG_TO_RAD)));

face.addVertices(vertices);

face.addIndex(index + 0); face.addIndex(index + 1); face.addIndex(index + 3);

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

if (noise_1 < 0.45) {

frame.addVertex(vertices[0]);

frame.addVertex(vertices[1]);

frame.addIndex(frame.getNumVertices() - 1);

frame.addIndex(frame.getNumVertices() - 2);

}

if (noise_2 < 0.45) {

frame.addVertex(vertices[0]);

frame.addVertex(vertices[2]);

frame.addIndex(frame.getNumVertices() - 1);

frame.addIndex(frame.getNumVertices() - 2);

}

if (noise_3 < 0.45) {

frame.addVertex(vertices[1]);

frame.addVertex(vertices[3]);

frame.addIndex(frame.getNumVertices() - 1);

frame.addIndex(frame.getNumVertices() - 2);

}

if (noise_4 < 0.45) {

frame.addVertex(vertices[2]);

frame.addVertex(vertices[3]);

frame.addIndex(frame.getNumVertices() - 1);

frame.addIndex(frame.getNumVertices() - 2);

}

ofSetColor(0);

face.draw();

ofSetColor(255);

frame.drawWireframe();

this->fbo1.end();

this->fbo2.begin();

ofClear(0);

ofSetColor(0);

int span = 180;

auto flag = true;

for (int x = 0; x < ofGetWidth(); x += span) {

for (int y = 0; y < ofGetHeight(); y += span) {

if (flag) { ofDrawRectangle(x, y, span, span); }

flag = !flag;

}

flag = !flag;

}

this->fbo2.end();

}

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

void ofApp::draw() {

ofSetColor(255);

ofFill();

this->shader.begin();

this->shader.setUniform1f("time", ofGetElapsedTimef());

this->shader.setUniform2f("resolution", ofGetWidth(), ofGetHeight());

this->shader.setUniformTexture("tex1", this->fbo1.getTexture(), 1);

this->shader.setUniformTexture("tex2", this->fbo2.getTexture(), 2);

ofDrawRectangle(glm::vec2(0, 0), ofGetWidth(), ofGetHeight());

this->shader.end();

}

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

int main() {

ofGLWindowSettings settings;

settings.setGLVersion(3, 2);

settings.setSize(720, 720);

ofCreateWindow(settings);

ofRunApp(new ofApp());

}

#version 150

uniform mat4 modelViewProjectionMatrix;
in vec4 position;
in vec2 texcoord;
out vec2 texCoordVarying;

void main(){

	texCoordVarying = texcoord;
	gl_Position = modelViewProjectionMatrix * position;
}

#version 150

uniform mat4 modelViewProjectionMatrix;

in vec4 position;

in vec2 texcoord;

out vec2 texCoordVarying;

void main(){

texCoordVarying = texcoord;

gl_Position = modelViewProjectionMatrix * position;

}

#version 150

uniform float time;
uniform vec2 resolution;
uniform sampler2DRect tex1;
uniform sampler2DRect tex2;

in vec2 texCoordVarying;
out vec4 outputColor;

void main() {

  vec4 t1 = texture(tex1, vec2(gl_FragCoord.x, resolution.y - gl_FragCoord.y));
  vec4 t2 = texture(tex2, vec2(gl_FragCoord.x, resolution.y - gl_FragCoord.y));
  
  vec4 c;
  if(t2 == vec4(0.0)){
  
    c = t1;
  }else{
  
    if(t1 == vec4(vec3(1.0), 1.0)){
	
		c = vec4(vec3(0.0), 1);
	}else{
	
		if(t1 == vec4(0.0)){
		
		   c = vec4(vec3(0), 1);
		}else{

			c = vec4(vec3(0.937), 1.0);
		}
	}
  }

  outputColor = c;
}

#version 150

uniform float time;

uniform vec2 resolution;

uniform sampler2DRect tex1;

uniform sampler2DRect tex2;

in vec2 texCoordVarying;

out vec4 outputColor;

void main() {

vec4 t1 = texture(tex1, vec2(gl_FragCoord.x, resolution.y - gl_FragCoord.y));

vec4 t2 = texture(tex2, vec2(gl_FragCoord.x, resolution.y - gl_FragCoord.y));

vec4 c;

if(t2 == vec4(0.0)){

c = t1;

}else{

if(t1 == vec4(vec3(1.0), 1.0)){

c = vec4(vec3(0.0), 1);

}else{

if(t1 == vec4(0.0)){

c = vec4(vec3(0), 1);

}else{

c = vec4(vec3(0.937), 1.0);

}

outputColor = c;

}

[ Link ]
https://github.com/junkiyoshi/Insta20210406

2021年4月5日2021年4月5日

Wave 20210405. Draw by openFrameworks

[ Video ]

[ About ]
Wave font.

[ 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);

	ofFbo fbo;
	ofTrueTypeFont font;
	vector<string> word_list;
	int word_index;
	string draw_word;

	vector<pair<glm::vec2, float>> box_info_list;
	float size;

	ofEasyCam cam;
	ofMesh face, line;
};

#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);

ofFbo fbo;

ofTrueTypeFont font;

vector<string> word_list;

int word_index;

string draw_word;

vector<pair<glm::vec2, float>> box_info_list;

float size;

ofEasyCam cam;

ofMesh face, line;

};

#include "ofApp.h"

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

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

	ofBackground(239);
	ofEnableDepthTest();

	this->size = 5;
	for (auto x = 0; x <= ofGetWidth(); x += this->size) {

		for (auto y = 0; y <= ofGetHeight(); y += this->size) {

			this->box_info_list.push_back(make_pair(glm::vec2(x, y), 0.f));
		}
	}

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

	this->fbo.allocate(ofGetWidth(), ofGetHeight());
	this->font.loadFont("fonts/msgothic.ttc", 200, true, true, true);

	int word_index = 0;
	this->word_list = { "Wave" };
}

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

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

	if (ofGetFrameNum() % 60 == 0) {

		this->draw_word = this->word_list[word_index];
		word_index = (word_index + 1) % this->word_list.size();
	}

	this->fbo.begin();
	ofTranslate(ofGetWidth() * 0.5, ofGetHeight() * 0.5);
	ofClear(0);
	ofSetColor(0);

	this->font.drawString(this->draw_word, this->font.stringWidth(this->draw_word) * -0.5, this->font.stringHeight(this->draw_word) * 0.5);

	this->fbo.end();
	ofPixels pixels;
	this->fbo.readToPixels(pixels);

	for (auto& box_info : this->box_info_list) {

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

			box_info.second = (box_info.second >= 1) ? 1 : ofMap(box_info.second, 0, 20, 0.125, 0);
		}
		else {

			box_info.second = (box_info.second <= 0) ? 0 : box_info.second - 0.02;
		}
	}

	auto max_height = -500;
	for (auto& box_info : this->box_info_list) {

		if (box_info.second > 0) {

			auto len = ofMap(ofNoise(box_info.first.x * 0.005 + ofGetFrameNum() * 0.01, box_info.first.y * 0.005), 0, 1, 0, max_height * box_info.second);
			this->setBoxToMesh(this->face, this->line, glm::vec3(box_info.first.x, box_info.first.y, len * 0.5), this->size, this->size, len);
		}
	}
}

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

	this->cam.begin();
	ofRotateX(180);
	ofRotateY(35 * sin(ofGetFrameNum() * 0.015));
	ofRotateX(35 * sin(ofGetFrameNum() * 0.0075));
	ofTranslate(ofGetWidth() * -0.5, ofGetHeight() * -0.5);


	ofSetColor(39);
	ofDrawRectangle(0, 0, ofGetWidth(), ofGetHeight());
	this->face.drawFaces();

	ofSetColor(239);
	this->line.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 * 0.999, height * 0.5 * 0.999, depth * -0.5 * 0.999));
	face_target.addVertex(location + glm::vec3(width * 0.5 * 0.999, height * 0.5 * 0.999, depth * -0.5 * 0.999));
	face_target.addVertex(location + glm::vec3(width * 0.5 * 0.999, height * 0.5 * 0.999, depth * 0.5 * 0.999));
	face_target.addVertex(location + glm::vec3(width * -0.5 * 0.999, height * 0.5 * 0.999, depth * 0.5 * 0.999));

	face_target.addVertex(location + glm::vec3(width * -0.5 * 0.999, height * -0.5 * 0.999, depth * -0.5 * 0.999));
	face_target.addVertex(location + glm::vec3(width * 0.5 * 0.999, height * -0.5 * 0.999, depth * -0.5 * 0.999));
	face_target.addVertex(location + glm::vec3(width * 0.5 * 0.999, height * -0.5 * 0.999, depth * 0.5 * 0.999));
	face_target.addVertex(location + glm::vec3(width * -0.5 * 0.999, height * -0.5 * 0.999, depth * 0.5 * 0.999));

	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);

ofEnableDepthTest();

this->size = 5;

for (auto x = 0; x <= ofGetWidth(); x += this->size) {

for (auto y = 0; y <= ofGetHeight(); y += this->size) {

this->box_info_list.push_back(make_pair(glm::vec2(x, y), 0.f));

}

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

this->fbo.allocate(ofGetWidth(), ofGetHeight());

this->font.loadFont("fonts/msgothic.ttc", 200, true, true, true);

int word_index = 0;

this->word_list = { "Wave" };

}

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

void ofApp::update() {

this->face.clear();

this->line.clear();

if (ofGetFrameNum() % 60 == 0) {

this->draw_word = this->word_list[word_index];

word_index = (word_index + 1) % this->word_list.size();

}

this->fbo.begin();

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

ofClear(0);

ofSetColor(0);

this->font.drawString(this->draw_word, this->font.stringWidth(this->draw_word) * -0.5, this->font.stringHeight(this->draw_word) * 0.5);

this->fbo.end();

ofPixels pixels;

this->fbo.readToPixels(pixels);

for (auto& box_info : this->box_info_list) {

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

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

box_info.second = (box_info.second >= 1) ? 1 : ofMap(box_info.second, 0, 20, 0.125, 0);

}

else {

box_info.second = (box_info.second <= 0) ? 0 : box_info.second - 0.02;

}

auto max_height = -500;

for (auto& box_info : this->box_info_list) {

if (box_info.second > 0) {

auto len = ofMap(ofNoise(box_info.first.x * 0.005 + ofGetFrameNum() * 0.01, box_info.first.y * 0.005), 0, 1, 0, max_height * box_info.second);

this->setBoxToMesh(this->face, this->line, glm::vec3(box_info.first.x, box_info.first.y, len * 0.5), this->size, this->size, len);

}

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

void ofApp::draw() {

this->cam.begin();

ofRotateX(180);

ofRotateY(35 * sin(ofGetFrameNum() * 0.015));

ofRotateX(35 * sin(ofGetFrameNum() * 0.0075));

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

ofSetColor(39);

ofDrawRectangle(0, 0, ofGetWidth(), ofGetHeight());

this->face.drawFaces();

ofSetColor(239);

this->line.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 * 0.999, height * 0.5 * 0.999, depth * -0.5 * 0.999));

face_target.addVertex(location + glm::vec3(width * 0.5 * 0.999, height * 0.5 * 0.999, depth * -0.5 * 0.999));

face_target.addVertex(location + glm::vec3(width * 0.5 * 0.999, height * 0.5 * 0.999, depth * 0.5 * 0.999));

face_target.addVertex(location + glm::vec3(width * -0.5 * 0.999, height * 0.5 * 0.999, depth * 0.5 * 0.999));

face_target.addVertex(location + glm::vec3(width * -0.5 * 0.999, height * -0.5 * 0.999, depth * -0.5 * 0.999));

face_target.addVertex(location + glm::vec3(width * 0.5 * 0.999, height * -0.5 * 0.999, depth * -0.5 * 0.999));

face_target.addVertex(location + glm::vec3(width * 0.5 * 0.999, height * -0.5 * 0.999, depth * 0.5 * 0.999));

face_target.addVertex(location + glm::vec3(width * -0.5 * 0.999, height * -0.5 * 0.999, depth * 0.5 * 0.999));

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/Insta20210405

2021年4月4日

Thorn 20210404. Draw by openFrameworks

[ Video ]

[ About ]
Thorn.

[ 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 base_radius;
	ofIcoSpherePrimitive ico_sphere;
	ofMesh face, frame;
	float noise_param;
};

#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 base_radius;

ofIcoSpherePrimitive ico_sphere;

ofMesh face, frame;

float noise_param;

};

#include "ofApp.h"

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

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

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

	this->base_radius = 65;
	this->ico_sphere = ofIcoSpherePrimitive(this->base_radius, 2);
	this->frame.setMode(ofPrimitiveMode::OF_PRIMITIVE_LINES);

	this->noise_param = ofRandom(1000);
}

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

	ofSeedRandom(39);

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

	int radius_start = this->base_radius;
	int radius_max = this->base_radius * 2;
	for (auto& triangle : this->ico_sphere.getMesh().getUniqueFaces()) {

		auto noise_seed_x = ofRandom(1000);
		auto noise_seed_y = ofRandom(1000);
		auto noise_seed_z = ofRandom(1000);

		auto noise_value = ofNoise(ofRandom(1000), this->noise_param);
		int radius_end = noise_value > 0.7 ? ofMap(noise_value, 0.7, 1, radius_start, radius_max) : radius_start;
		this->frame.addVertex(glm::vec3());

		for (int radius = radius_start; radius <= radius_end; radius += 1) {

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

			auto param = ofMap(radius, radius_start, radius_max, 0, PI * 0.15);

			auto angle_x = ofMap(ofNoise(noise_seed_x, radius * 0.0075 + this->noise_param), 0, 1, -param, param);
			auto rotation_x = glm::rotate(glm::mat4(), angle_x, glm::vec3(1, 0, 0));
			auto angle_y = ofMap(ofNoise(noise_seed_y, radius * 0.0075 + this->noise_param), 0, 1, -param, param);
			auto rotation_y = glm::rotate(glm::mat4(), angle_y, glm::vec3(0, 1, 0));
			auto angle_z = ofMap(ofNoise(noise_seed_z, radius * 0.0075 + this->noise_param), 0, 1, -param, param);
			auto rotation_z = glm::rotate(glm::mat4(), angle_z, glm::vec3(0, 0, 1));

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

			vector<glm::vec3> vertices;
			vertices.push_back(glm::vec4(location + glm::normalize(triangle.getVertex(0) - avg) * ofMap(radius, radius_start, radius_end, glm::length(triangle.getVertex(0) - avg), 0), 0) * rotation_z * rotation_y * rotation_x);
			vertices.push_back(glm::vec4(location + glm::normalize(triangle.getVertex(1) - avg) * ofMap(radius, radius_start, radius_end, glm::length(triangle.getVertex(1) - avg), 0), 0) * rotation_z * rotation_y * rotation_x);
			vertices.push_back(glm::vec4(location + glm::normalize(triangle.getVertex(2) - avg) * ofMap(radius, radius_start, radius_end, glm::length(triangle.getVertex(2) - avg), 0), 0) * rotation_z * rotation_y * rotation_x);

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

			if (radius == radius_start || radius == radius_end) {

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

				this->frame.addIndex(frame_index + 0); this->frame.addIndex(frame_index + 1);
				this->frame.addIndex(frame_index + 1); this->frame.addIndex(frame_index + 2);
				this->frame.addIndex(frame_index + 2); this->frame.addIndex(frame_index + 0);
			}
			
			if (radius > radius_start) {

				this->face.addIndex(mesh_index + 0); this->face.addIndex(mesh_index + 1); this->face.addIndex(mesh_index - 2);
				this->face.addIndex(mesh_index + 0); this->face.addIndex(mesh_index - 2); this->face.addIndex(mesh_index - 3);

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

				this->face.addIndex(mesh_index + 2); this->face.addIndex(mesh_index + 0); this->face.addIndex(mesh_index - 3);
				this->face.addIndex(mesh_index + 2); this->face.addIndex(mesh_index - 3); this->face.addIndex(mesh_index - 1);

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

	if (ofGetFrameNum() % 60 < 45) {

		this->noise_param += ofMap(ofGetFrameNum() % 60, 0, 45, 0.03, 0);
	}
}

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

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

	ofSetColor(239);
	this->frame.drawWireframe();

	ofSetColor(39);
	this->face.draw();

	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();

this->base_radius = 65;

this->ico_sphere = ofIcoSpherePrimitive(this->base_radius, 2);

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

this->noise_param = ofRandom(1000);

}

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

void ofApp::update() {

ofSeedRandom(39);

this->face.clear();

this->frame.clear();

int radius_start = this->base_radius;

int radius_max = this->base_radius * 2;

for (auto& triangle : this->ico_sphere.getMesh().getUniqueFaces()) {

auto noise_seed_x = ofRandom(1000);

auto noise_seed_y = ofRandom(1000);

auto noise_seed_z = ofRandom(1000);

auto noise_value = ofNoise(ofRandom(1000), this->noise_param);

int radius_end = noise_value > 0.7 ? ofMap(noise_value, 0.7, 1, radius_start, radius_max) : radius_start;

this->frame.addVertex(glm::vec3());

for (int radius = radius_start; radius <= radius_end; radius += 1) {

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

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

auto param = ofMap(radius, radius_start, radius_max, 0, PI * 0.15);

auto angle_x = ofMap(ofNoise(noise_seed_x, radius * 0.0075 + this->noise_param), 0, 1, -param, param);

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

auto angle_y = ofMap(ofNoise(noise_seed_y, radius * 0.0075 + this->noise_param), 0, 1, -param, param);

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

auto angle_z = ofMap(ofNoise(noise_seed_z, radius * 0.0075 + this->noise_param), 0, 1, -param, param);

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

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

glm::vec3 location = glm::normalize(avg) * radius;

vector<glm::vec3> vertices;

vertices.push_back(glm::vec4(location + glm::normalize(triangle.getVertex(0) - avg) * ofMap(radius, radius_start, radius_end, glm::length(triangle.getVertex(0) - avg), 0), 0) * rotation_z * rotation_y * rotation_x);

vertices.push_back(glm::vec4(location + glm::normalize(triangle.getVertex(1) - avg) * ofMap(radius, radius_start, radius_end, glm::length(triangle.getVertex(1) - avg), 0), 0) * rotation_z * rotation_y * rotation_x);

vertices.push_back(glm::vec4(location + glm::normalize(triangle.getVertex(2) - avg) * ofMap(radius, radius_start, radius_end, glm::length(triangle.getVertex(2) - avg), 0), 0) * rotation_z * rotation_y * rotation_x);

this->face.addVertices(vertices);

this->frame.addVertices(vertices);

if (radius == radius_start || radius == radius_end) {

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

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

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

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

}

if (radius > radius_start) {

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

this->face.addIndex(mesh_index + 0); this->face.addIndex(mesh_index - 2); this->face.addIndex(mesh_index - 3);

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

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

this->face.addIndex(mesh_index + 2); this->face.addIndex(mesh_index + 0); this->face.addIndex(mesh_index - 3);

this->face.addIndex(mesh_index + 2); this->face.addIndex(mesh_index - 3); this->face.addIndex(mesh_index - 1);

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

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

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

}

if (ofGetFrameNum() % 60 < 45) {

this->noise_param += ofMap(ofGetFrameNum() % 60, 0, 45, 0.03, 0);

}

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

void ofApp::draw() {

this->cam.begin();

ofRotateY(ofGetFrameNum() * 0.5);

ofSetColor(239);

this->frame.drawWireframe();

ofSetColor(39);

this->face.draw();

this->cam.end();

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20210404

2025年2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