openframeworks – ページ 464 – プログラミング de 落描き

2019年10月20日

Gradation ripple. openFrameworks

[ Video ]

[ About ]
グラデーション波紋。

Gradation ripple.

[ Source ]

#pragma once
#include "ofMain.h"
#include "Ripple.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) {};

	vector<unique_ptr<Ripple>> ripple_list;
};

#pragma once

#include "ofMain.h"

#include "Ripple.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) {};

vector<unique_ptr<Ripple>> ripple_list;

};

#include "ofApp.h"

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

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

	ofBackground(239);
}

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

	if (ofRandom(100) < 4) {

		auto ripple = make_unique<Ripple>(glm::vec2(ofRandom(ofGetWidth()), ofRandom(ofGetHeight())));
		this->ripple_list.push_back(move(ripple));
	}

	for (auto& ripple : this->ripple_list) {

		ripple->update();
	}

	for (int i = this->ripple_list.size() - 1; i >= 0; i--) {

		if (this->ripple_list[i]->isDead()) {

			this->ripple_list.erase(this->ripple_list.begin() + i);
		}
	}
}

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

	for (auto& ripple : this->ripple_list) {

		ripple->draw();
	}
}

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

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

#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(60);

ofSetWindowTitle("openframeworks");

ofBackground(239);

}

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

void ofApp::update() {

if (ofRandom(100) < 4) {

auto ripple = make_unique<Ripple>(glm::vec2(ofRandom(ofGetWidth()), ofRandom(ofGetHeight())));

this->ripple_list.push_back(move(ripple));

}

for (auto& ripple : this->ripple_list) {

ripple->update();

}

for (int i = this->ripple_list.size() - 1; i >= 0; i--) {

if (this->ripple_list[i]->isDead()) {

this->ripple_list.erase(this->ripple_list.begin() + i);

}

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

void ofApp::draw() {

for (auto& ripple : this->ripple_list) {

ripple->draw();

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

#pragma once
#include "ofMain.h"

class Ripple
{
public:

	Ripple();
	Ripple(glm::vec2 location);
	void update();
	void draw();
	bool isDead();
private:

	glm::vec2 location;
	float radius;
	ofMesh mesh;
};

#pragma once

#include "ofMain.h"

class Ripple

{

public:

Ripple();

Ripple(glm::vec2 location);

void update();

void draw();

bool isDead();

private:

glm::vec2 location;

float radius;

ofMesh mesh;

};

#include "Ripple.h"

//--------------------------------------------------------------
Ripple::Ripple() : Ripple(glm::vec2()) {

}

//--------------------------------------------------------------
Ripple::Ripple(glm::vec2 location) {

	this->location = location;
	this->radius = 0;
}

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

	this->mesh.clear();

	this->radius += 1;
	auto len = radius / 25 + 1;
	for (auto deg = 0; deg < 360; deg += 1) {

		auto out_radius = radius + len;
		auto in_location = this->location + glm::vec2(radius * cos(deg * DEG_TO_RAD), radius * sin(deg * DEG_TO_RAD));
		auto out_location = this->location + glm::vec2(out_radius * cos(deg * DEG_TO_RAD), out_radius * sin(deg * DEG_TO_RAD));

		ofColor in_color, out_color;
		float alpha = this->radius < 250 ? 255 : ofMap(this->radius, 250, 300, 255, 0);
		in_color.setHsb(ofMap(ofNoise(in_location.x * 0.001, in_location.y * 0.001, ofGetFrameNum() * 0.005), 0, 1, 0, 255), 200, 255, alpha);
		out_color.setHsb(ofMap(ofNoise(out_location.x * 0.001, out_location.y * 0.001, ofGetFrameNum() * 0.005), 0, 1, 0, 255), 200, 255, alpha);

		mesh.addVertex(ofPoint(in_location));
		mesh.addColor(in_color);
		mesh.addVertex(ofPoint(out_location));
		mesh.addColor(out_color);
	}

	for (auto i = 0; i < mesh.getVertices().size(); i += 2) {

		auto index_0 = i;
		auto index_1 = (i + 1) % mesh.getVertices().size();
		auto index_2 = (i + 2) % mesh.getVertices().size();
		auto index_3 = (i + 3) % mesh.getVertices().size();

		mesh.addIndex(index_0);
		mesh.addIndex(index_1);
		mesh.addIndex(index_2);

		mesh.addIndex(index_3);
		mesh.addIndex(index_1);
		mesh.addIndex(index_2);
	}
}

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

	this->mesh.draw();
}

//--------------------------------------------------------------
bool Ripple::isDead() {

	return this->radius > 300;
}

#include "Ripple.h"

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

Ripple::Ripple() : Ripple(glm::vec2()) {

}

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

Ripple::Ripple(glm::vec2 location) {

this->location = location;

this->radius = 0;

}

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

void Ripple::update() {

this->mesh.clear();

this->radius += 1;

auto len = radius / 25 + 1;

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

auto out_radius = radius + len;

auto in_location = this->location + glm::vec2(radius * cos(deg * DEG_TO_RAD), radius * sin(deg * DEG_TO_RAD));

auto out_location = this->location + glm::vec2(out_radius * cos(deg * DEG_TO_RAD), out_radius * sin(deg * DEG_TO_RAD));

ofColor in_color, out_color;

float alpha = this->radius < 250 ? 255 : ofMap(this->radius, 250, 300, 255, 0);

in_color.setHsb(ofMap(ofNoise(in_location.x * 0.001, in_location.y * 0.001, ofGetFrameNum() * 0.005), 0, 1, 0, 255), 200, 255, alpha);

out_color.setHsb(ofMap(ofNoise(out_location.x * 0.001, out_location.y * 0.001, ofGetFrameNum() * 0.005), 0, 1, 0, 255), 200, 255, alpha);

mesh.addVertex(ofPoint(in_location));

mesh.addColor(in_color);

mesh.addVertex(ofPoint(out_location));

mesh.addColor(out_color);

}

for (auto i = 0; i < mesh.getVertices().size(); i += 2) {

auto index_0 = i;

auto index_1 = (i + 1) % mesh.getVertices().size();

auto index_2 = (i + 2) % mesh.getVertices().size();

auto index_3 = (i + 3) % mesh.getVertices().size();

mesh.addIndex(index_0);

mesh.addIndex(index_1);

mesh.addIndex(index_2);

mesh.addIndex(index_3);

mesh.addIndex(index_1);

mesh.addIndex(index_2);

}

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

void Ripple::draw() {

this->mesh.draw();

}

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

bool Ripple::isDead() {

return this->radius > 300;

}

[ Link ]
https://github.com/junkiyoshi/Insta20191020

2019年10月19日

Variation radius. openFrameworks

[ Video ]

[ About ]
変動する半径。

Variation radius.

[ 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;
	ofMesh base_mesh;
	ofMesh wireframe_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;

ofMesh base_mesh;

ofMesh wireframe_mesh;

};

#include "ofApp.h"

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

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

	ofBackground(39);
	ofSetLineWidth(2);
	ofEnableDepthTest();

	auto ico_sphere = ofIcoSpherePrimitive(250, 4);
	this->base_mesh = ico_sphere.getMesh();

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

		this->base_mesh.addColor(ofColor(0));
	}
}

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

	this->mesh = this->base_mesh;
	this->wireframe_mesh = this->base_mesh;

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

		auto vertex = this->base_mesh.getVertices()[i];
		int noise_value = (int)ofMap(ofNoise(vertex.x * 0.005, vertex.y * 0.005, vertex.z * 0.005, ofGetFrameNum() * 0.005), 0, 1, 5, 9);

		auto vertex_1 = glm::normalize(vertex) * ofMap(noise_value, 5, 9, 200, 350);
		auto vertex_2 = glm::normalize(vertex) * ofMap(noise_value, 5, 9, 201, 351);

		this->mesh.setVertex(i, vertex_1);
		this->mesh.setColor(i, ofColor(39));

		this->wireframe_mesh.setVertex(i, vertex_2);
		this->wireframe_mesh.setColor(i, ofColor(239));
	}
}

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

	this->cam.begin();
	ofRotateY(ofGetFrameNum() * 0.5);
	ofRotateX(ofGetFrameNum() * 0.25);

	this->mesh.draw();
	this->wireframe_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(39);

ofSetLineWidth(2);

ofEnableDepthTest();

auto ico_sphere = ofIcoSpherePrimitive(250, 4);

this->base_mesh = ico_sphere.getMesh();

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

this->base_mesh.addColor(ofColor(0));

}

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

void ofApp::update() {

this->mesh = this->base_mesh;

this->wireframe_mesh = this->base_mesh;

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

auto vertex = this->base_mesh.getVertices()[i];

int noise_value = (int)ofMap(ofNoise(vertex.x * 0.005, vertex.y * 0.005, vertex.z * 0.005, ofGetFrameNum() * 0.005), 0, 1, 5, 9);

auto vertex_1 = glm::normalize(vertex) * ofMap(noise_value, 5, 9, 200, 350);

auto vertex_2 = glm::normalize(vertex) * ofMap(noise_value, 5, 9, 201, 351);

this->mesh.setVertex(i, vertex_1);

this->mesh.setColor(i, ofColor(39));

this->wireframe_mesh.setVertex(i, vertex_2);

this->wireframe_mesh.setColor(i, ofColor(239));

}

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

void ofApp::draw() {

this->cam.begin();

ofRotateY(ofGetFrameNum() * 0.5);

ofRotateX(ofGetFrameNum() * 0.25);

this->mesh.draw();

this->wireframe_mesh.drawWireframe();

this->cam.end();

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/insta20191019

2019年10月18日2019年10月18日

Gradation triangles 3D. openFrameworks

[ Video ]

[ About ]
昨日のヤツを3Dに改造。

Gradation triangles 3D.

[ 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();

	auto span = 60;
	for (auto x = -300; x <= 300; x += span) {

		for (auto y = -300; y <= 300; y += span) {

			for (auto z = -300; z <= 300; z += span) {

				auto location = glm::vec3(
					x + ofMap(ofNoise(ofRandom(1000), ofGetFrameNum() * 0.005), 0, 1, span * 0.5, span * -0.5),
					y + ofMap(ofNoise(ofRandom(1000), ofGetFrameNum() * 0.005), 0, 1, span * 0.5, span * -0.5),
					z + ofMap(ofNoise(ofRandom(1000), ofGetFrameNum() * 0.005), 0, 1, span * 0.5, span * -0.5));
				this->mesh.addVertex(location);

				ofColor color;
				color.setHsb(ofRandom(255), 255, 255, 200);
				this->mesh.addColor(color);
			}
		}
	}

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

		auto location = this->mesh.getVertices()[i];
		vector<int> near_index_list;
		for (int k = 0; k < this->mesh.getVertices().size(); k++) {

			auto other = this->mesh.getVertices()[k];
			auto distance = glm::distance(location, other);
			if (distance < span * 0.85) {

				near_index_list.push_back(k);
			}
		}

		if (near_index_list.size() >= 3) {

			for (int k = 0; k < near_index_list.size() - 2; k++) {

				this->mesh.addIndex(near_index_list[k]);
				this->mesh.addIndex(near_index_list[k + 1]);
				this->mesh.addIndex(near_index_list[k + 2]);
			}
		}
	}

}

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

	this->cam.begin();
	ofRotateY(ofGetFrameNum() * 0.2);

	this->mesh.draw();
	this->mesh.drawWireframe();
	this->mesh.drawVertices();

	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();

auto span = 60;

for (auto x = -300; x <= 300; x += span) {

for (auto y = -300; y <= 300; y += span) {

for (auto z = -300; z <= 300; z += span) {

auto location = glm::vec3(

x + ofMap(ofNoise(ofRandom(1000), ofGetFrameNum() * 0.005), 0, 1, span * 0.5, span * -0.5),

y + ofMap(ofNoise(ofRandom(1000), ofGetFrameNum() * 0.005), 0, 1, span * 0.5, span * -0.5),

z + ofMap(ofNoise(ofRandom(1000), ofGetFrameNum() * 0.005), 0, 1, span * 0.5, span * -0.5));

this->mesh.addVertex(location);

ofColor color;

color.setHsb(ofRandom(255), 255, 255, 200);

this->mesh.addColor(color);

}

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

auto location = this->mesh.getVertices()[i];

vector<int> near_index_list;

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

auto other = this->mesh.getVertices()[k];

auto distance = glm::distance(location, other);

if (distance < span * 0.85) {

near_index_list.push_back(k);

}

if (near_index_list.size() >= 3) {

for (int k = 0; k < near_index_list.size() - 2; k++) {

this->mesh.addIndex(near_index_list[k]);

this->mesh.addIndex(near_index_list[k + 1]);

this->mesh.addIndex(near_index_list[k + 2]);

}

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

void ofApp::draw() {

this->cam.begin();

ofRotateY(ofGetFrameNum() * 0.2);

this->mesh.draw();

this->mesh.drawWireframe();

this->mesh.drawVertices();

this->cam.end();

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20191018

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