junkiyoshi – ページ 798 – プログラミング de 落描き

2017年10月24日

Insta20171023

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[ About ]
SurfacePen(mouse)の加速度がオブジェクトに反映されます。

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#pragma once
#include "ofMain.h"
#include "ofxBox2d.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;
	
	ofxBox2d box2d;

	vector<shared_ptr<ofxBox2dCircle>> circles;
	vector<ofColor> circles_color;
	vector<float> circles_life;
};

#pragma once

#include "ofMain.h"

#include "ofxBox2d.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;

ofxBox2d box2d;

vector<shared_ptr<ofxBox2dCircle>> circles;

vector<ofColor> circles_color;

vector<float> circles_life;

};

#include "ofApp.h"

//--------------------------------------------------------------
void ofApp::setup() {
	ofSetFrameRate(60);
	ofBackground(0);
	ofSetWindowTitle("Insta");

	ofSetCircleResolution(60);

	this->box2d.init();
	this->box2d.setGravity(0, 0);
	this->box2d.createBounds();
	this->box2d.setFPS(60);
	this->box2d.registerGrabbing();
}

//--------------------------------------------------------------
void ofApp::update() {
	if (ofGetMousePressed()) {
		ofVec2f mouse_position = ofVec2f(ofGetMouseX(), ofGetMouseY());
		ofVec2f prev_mouse_position = ofVec2f(ofGetPreviousMouseX(), ofGetPreviousMouseY());
		ofVec2f difference = mouse_position - prev_mouse_position;

		for (int i = 0; i < 10; i++) {
			this->circles.push_back(shared_ptr<ofxBox2dCircle>(new ofxBox2dCircle));
			this->circles.back().get()->setPhysics(3.0, 0.53, 0.1);
			this->circles.back().get()->setup(this->box2d.getWorld(), mouse_position.x, mouse_position.y, 5);
			this->circles.back().get()->addForce(difference, 20.0);

			ofColor line_color;
			line_color.setHsb(ofGetFrameNum() % 255, 255, 255);
			this->circles_color.push_back(line_color);

			this->circles_life.push_back(255);
		}
	}

	this->box2d.update();

	for (int i = 0; i < this->circles.size(); i++) {
		if (this->circles_life[i] < 0) {
			this->circles[i].get()->destroy();
			this->circles.erase(this->circles.begin() + i);
			this->circles_color.erase(this->circles_color.begin() + i);
			this->circles_life.erase(this->circles_life.begin() + i);
		}
	}
}

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

	for (int i = 0; i < this->circles.size(); i++) {
		ofSetColor(this->circles_color[i], this->circles_life[i]);
		//this->circles[i].get()->draw();
		ofDrawCircle(this->circles[i].get()->getPosition(), 5);
		this->circles_life[i] -= 1.5f;
	}
}

//--------------------------------------------------------------
int main() {
	ofSetupOpenGL(720, 720, OF_WINDOW);
	ofRunApp(new ofApp());
}

#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(60);

ofBackground(0);

ofSetWindowTitle("Insta");

ofSetCircleResolution(60);

this->box2d.init();

this->box2d.setGravity(0, 0);

this->box2d.createBounds();

this->box2d.setFPS(60);

this->box2d.registerGrabbing();

}

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

void ofApp::update() {

if (ofGetMousePressed()) {

ofVec2f mouse_position = ofVec2f(ofGetMouseX(), ofGetMouseY());

ofVec2f prev_mouse_position = ofVec2f(ofGetPreviousMouseX(), ofGetPreviousMouseY());

ofVec2f difference = mouse_position - prev_mouse_position;

for (int i = 0; i < 10; i++) {

this->circles.push_back(shared_ptr<ofxBox2dCircle>(new ofxBox2dCircle));

this->circles.back().get()->setPhysics(3.0, 0.53, 0.1);

this->circles.back().get()->setup(this->box2d.getWorld(), mouse_position.x, mouse_position.y, 5);

this->circles.back().get()->addForce(difference, 20.0);

ofColor line_color;

line_color.setHsb(ofGetFrameNum() % 255, 255, 255);

this->circles_color.push_back(line_color);

this->circles_life.push_back(255);

}

this->box2d.update();

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

if (this->circles_life[i] < 0) {

this->circles[i].get()->destroy();

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

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

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

}

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

void ofApp::draw() {

ofFill();

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

ofSetColor(this->circles_color[i], this->circles_life[i]);

//this->circles[i].get()->draw();

ofDrawCircle(this->circles[i].get()->getPosition(), 5);

this->circles_life[i] -= 1.5f;

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20171023

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Amazon

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2017年10月23日2017年12月5日

Insta20171022

[ Video ]

[ About ]
トンネルっぽいものを作りたくて、別物ができた…

[ 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;
};

#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;

};

#include "ofApp.h"

//--------------------------------------------------------------
void ofApp::setup() {
	ofSetFrameRate(30);
	ofBackground(0);
	ofSetWindowTitle("Insta");

	ofSetCircleResolution(64);
	ofNoFill();

	ofSetLineWidth(3);
}

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

//--------------------------------------------------------------
void ofApp::draw() {
	this->cam.begin();

	float radius = 5;
	for (int i = 0; i < 30; i++) {
		float noise_value_x = ofNoise((ofGetFrameNum() - i) * 0.025);
		float noise_value_y = ofNoise((ofGetFrameNum() - i + 30) * 0.025);
		float x = 300 * noise_value_x - 150;
		float y = 300 * noise_value_y - 150;

		ofColor line_color;
		line_color.setHsb((ofGetFrameNum() - i + 5) % 255, 255, 255);
		ofSetColor(line_color);
		ofCircle(ofVec3f(x, y, i * 2), radius);

		radius += i;
	}

	this->cam.end();
}

//--------------------------------------------------------------
int main() {
	ofSetupOpenGL(720, 720, OF_WINDOW);
	ofRunApp(new ofApp());
}

#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(30);

ofBackground(0);

ofSetWindowTitle("Insta");

ofSetCircleResolution(64);

ofNoFill();

ofSetLineWidth(3);

}

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

void ofApp::update() {

}

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

void ofApp::draw() {

this->cam.begin();

float radius = 5;

for (int i = 0; i < 30; i++) {

float noise_value_x = ofNoise((ofGetFrameNum() - i) * 0.025);

float noise_value_y = ofNoise((ofGetFrameNum() - i + 30) * 0.025);

float x = 300 * noise_value_x - 150;

float y = 300 * noise_value_y - 150;

ofColor line_color;

line_color.setHsb((ofGetFrameNum() - i + 5) % 255, 255, 255);

ofSetColor(line_color);

ofCircle(ofVec3f(x, y, i * 2), radius);

radius += i;

}

this->cam.end();

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20171022

[ほしいものリスト]
Amazon

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2017年10月22日

Insta20171021

[ Video ]

[ About ]
Particleをsin関数で移動させています

[ Source ]

#pragma once
#include "ofMain.h"
#include "Particle.h"

class ofApp : public ofBaseApp {
public:
	~ofApp();

	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<Particle*> particles;
};

#pragma once

#include "ofMain.h"

#include "Particle.h"

class ofApp : public ofBaseApp {

public:

~ofApp();

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<Particle*> particles;

};

#include "ofApp.h"

//--------------------------------------------------------------
ofApp::~ofApp() {
	for (int i = this->particles.size() - 1; i > -1; i--) {
		delete this->particles[i];
		this->particles.erase(this->particles.begin() + i);
	}
}

//--------------------------------------------------------------
void ofApp::setup() {
	ofSetFrameRate(30);
	ofBackground(255);
	ofSetWindowTitle("Insta");

	ofEnableSmoothing();
	ofEnableBlendMode(ofBlendMode::OF_BLENDMODE_ADD);

	for (int i = 0; i < 2048; i++) {
		this->particles.push_back(new Particle());
	}
}

//--------------------------------------------------------------
void ofApp::update() {
	for (Particle* p : this->particles) {
		p->update();
	}
}

//--------------------------------------------------------------
void ofApp::draw() {
	ofBackground(0);

	this->cam.begin();

	for (Particle* p : this->particles) {
		p->draw();
	}

	this->cam.end();
}

//--------------------------------------------------------------
int main() {
	ofSetupOpenGL(1920, 1080, OF_WINDOW);
	ofRunApp(new ofApp());
}

#include "ofApp.h"

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

ofApp::~ofApp() {

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

delete this->particles[i];

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

}

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

void ofApp::setup() {

ofSetFrameRate(30);

ofBackground(255);

ofSetWindowTitle("Insta");

ofEnableSmoothing();

ofEnableBlendMode(ofBlendMode::OF_BLENDMODE_ADD);

for (int i = 0; i < 2048; i++) {

this->particles.push_back(new Particle());

}

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

void ofApp::update() {

for (Particle* p : this->particles) {

p->update();

}

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

void ofApp::draw() {

ofBackground(0);

this->cam.begin();

for (Particle* p : this->particles) {

p->draw();

}

this->cam.end();

}

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

int main() {

ofSetupOpenGL(1920, 1080, OF_WINDOW);

ofRunApp(new ofApp());

}

#include "ofMain.h"

class Particle {
public:
	Particle();
	~Particle() {}

	void update();
	void draw();

private:
	ofVec2f location;
	float	step;

	float	body_size;
	ofColor body_color;
	float	alpha;
};

#include "ofMain.h"

class Particle {

public:

Particle();

~Particle() {}

void update();

void draw();

private:

ofVec2f location;

float step;

float body_size;

ofColor body_color;

float alpha;

};

#include "Particle.h"

Particle::Particle()
{
	this->location = ofVec2f(ofRandom(-ofGetWidth() / 2, ofGetWidth() / 2), ofRandom(-ofGetHeight() / 2, ofGetHeight() / 2));
	this->step = ofRandom(2.0, 5.0);
	this->body_size = ofRandom(10, 40);
	this->body_color.setHsb(ofRandom(255), 255, 255);
	this->alpha = ofRandom(200, 255);
}

void Particle::update()
{
	float x = this->location.x + this->step;
	float y = sin(x * this->step * 0.001) * ofGetHeight() * 0.5;
	//float y = sin(x * this->step * 0.0025) * ofGetHeight() * 0.5;
	this->location = ofVec2f(x, y);

	if (this->location.x > ofGetWidth() / 2 + this->body_size) {
		this->location.x = -ofGetWidth() / 2 - this->body_size;
	}

}

void Particle::draw()
{
	ofSetColor(this->body_color, this->alpha);
	ofDrawEllipse(this->location, this->body_size, this->body_size);
}

#include "Particle.h"

Particle::Particle()

{

this->location = ofVec2f(ofRandom(-ofGetWidth() / 2, ofGetWidth() / 2), ofRandom(-ofGetHeight() / 2, ofGetHeight() / 2));

this->step = ofRandom(2.0, 5.0);

this->body_size = ofRandom(10, 40);

this->body_color.setHsb(ofRandom(255), 255, 255);

this->alpha = ofRandom(200, 255);

}

void Particle::update()

{

float x = this->location.x + this->step;

float y = sin(x * this->step * 0.001) * ofGetHeight() * 0.5;

//float y = sin(x * this->step * 0.0025) * ofGetHeight() * 0.5;

this->location = ofVec2f(x, y);

if (this->location.x > ofGetWidth() / 2 + this->body_size) {

this->location.x = -ofGetWidth() / 2 - this->body_size;

}

void Particle::draw()

{

ofSetColor(this->body_color, this->alpha);

ofDrawEllipse(this->location, this->body_size, this->body_size);

}

[ Link ]
https://github.com/junkiyoshi/Insta20171021

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Amazon

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