circle – ページ 90 – プログラミング de 落描き

2019年6月2日2019年6月2日

Particle on donut. openFrameworks

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ドーナツの上のパーティクル

Particle on donut.

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#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) {};
};

#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) {};

};

#include "ofApp.h"

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

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

	ofBackground(239);
	ofSetColor(39);
	ofSetLineWidth(3);
	ofEnableDepthTest();
}

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

	ofSeedRandom(39);
}

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

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

	auto radius_min = 120;
	auto radius_max = 320;
	vector<glm::vec2> random_locations;

	ofFill();
	for (int i = 0; i < 120; i++) {

		auto random_radius = ofRandom(radius_min + 10, radius_max - 10);
		auto random_deg = ofRandom(360) + ofGetFrameNum() * ofRandom(0.5, 1.5) * (ofRandom(1) < 0.5 ? 1 : -1);
		auto random_location = glm::vec2(random_radius * cos(random_deg * DEG_TO_RAD), random_radius * sin(random_deg * DEG_TO_RAD));
		random_locations.push_back(random_location);

		ofDrawCircle(random_location, 5);
	}

	for (auto& location : random_locations) {

		for (auto& other : random_locations) {

			if (location == other) { continue; }

			auto distance = glm::distance(location, other);
			if (distance < 40) {

				ofDrawLine(location, other);
			}
		}
	}

	vector<glm::vec2> vertices_min, vertices_max;
	for (int deg = 0; deg < 360; deg++) {

		vertices_min.push_back(glm::vec2(radius_min * cos(deg * DEG_TO_RAD), radius_min * sin(deg * DEG_TO_RAD)));
		vertices_max.push_back(glm::vec2(radius_max * cos(deg * DEG_TO_RAD), radius_max * sin(deg * DEG_TO_RAD)));
	}

	ofNoFill();
	ofBeginShape();
	ofVertices(vertices_min);
	ofEndShape(true);

	ofBeginShape();
	ofVertices(vertices_max);
	ofEndShape(true);
}

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

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

#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(60);

ofSetWindowTitle("openframeworks");

ofBackground(239);

ofSetColor(39);

ofSetLineWidth(3);

ofEnableDepthTest();

}

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

void ofApp::update() {

ofSeedRandom(39);

}

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

void ofApp::draw() {

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

auto radius_min = 120;

auto radius_max = 320;

vector<glm::vec2> random_locations;

ofFill();

for (int i = 0; i < 120; i++) {

auto random_radius = ofRandom(radius_min + 10, radius_max - 10);

auto random_deg = ofRandom(360) + ofGetFrameNum() * ofRandom(0.5, 1.5) * (ofRandom(1) < 0.5 ? 1 : -1);

auto random_location = glm::vec2(random_radius * cos(random_deg * DEG_TO_RAD), random_radius * sin(random_deg * DEG_TO_RAD));

random_locations.push_back(random_location);

ofDrawCircle(random_location, 5);

}

for (auto& location : random_locations) {

for (auto& other : random_locations) {

if (location == other) { continue; }

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

if (distance < 40) {

ofDrawLine(location, other);

}

vector<glm::vec2> vertices_min, vertices_max;

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

vertices_min.push_back(glm::vec2(radius_min * cos(deg * DEG_TO_RAD), radius_min * sin(deg * DEG_TO_RAD)));

vertices_max.push_back(glm::vec2(radius_max * cos(deg * DEG_TO_RAD), radius_max * sin(deg * DEG_TO_RAD)));

}

ofNoFill();

ofBeginShape();

ofVertices(vertices_min);

ofEndShape(true);

ofBeginShape();

ofVertices(vertices_max);

ofEndShape(true);

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20190602

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2019年6月1日

Rotating. openFrameworks

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くるくるくるくる

Rotating.

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#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(60);
	ofSetWindowTitle("openframeworks");

	ofBackground(239);
	ofEnableDepthTest();
}

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

}

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

	this->cam.begin();

	auto radius = 250;
	auto len = 30;
	int deg_start = ofGetFrameNum() * 3;
	vector<glm::vec3> vertices_1, vertices_2;
	for (int y = -200;  y <= 200; y += 50) {

		deg_start += 30;

		ofFill();
		ofSetColor(139);

		for (int deg = deg_start; deg <= deg_start + 120; deg++) {

			vertices_1.push_back(glm::vec3(radius * cos(deg * DEG_TO_RAD), y + len * 0.5, radius * sin(deg * DEG_TO_RAD)));
			vertices_2.push_back(glm::vec3(radius * cos(deg * DEG_TO_RAD), y + len * -0.5, radius * sin(deg * DEG_TO_RAD)));

			if (deg > deg_start) {

				ofBeginShape();
				ofVertex(glm::vec3(radius * cos(deg * DEG_TO_RAD), y + len * 0.5, radius * sin(deg * DEG_TO_RAD)));
				ofVertex(glm::vec3(radius * cos((deg - 1) * DEG_TO_RAD), y + len * 0.5, radius * sin((deg - 1) * DEG_TO_RAD)));
				ofVertex(glm::vec3(radius * cos((deg - 1) * DEG_TO_RAD), y + len * -0.5, radius * sin((deg - 1) * DEG_TO_RAD)));
				ofVertex(glm::vec3(radius * cos(deg * DEG_TO_RAD), y + len * -0.5, radius * sin(deg * DEG_TO_RAD)));
				ofEndShape(true);
			}
		}

		reverse(vertices_2.begin(), vertices_2.end());

		ofNoFill();
		ofSetColor(39);
		ofBeginShape();
		ofVertices(vertices_1);
		ofVertices(vertices_2);
		ofEndShape(true);

		vertices_1.clear();
		vertices_2.clear();
	}

	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() {

}

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

void ofApp::draw() {

this->cam.begin();

auto radius = 250;

auto len = 30;

int deg_start = ofGetFrameNum() * 3;

vector<glm::vec3> vertices_1, vertices_2;

for (int y = -200; y <= 200; y += 50) {

deg_start += 30;

ofFill();

ofSetColor(139);

for (int deg = deg_start; deg <= deg_start + 120; deg++) {

vertices_1.push_back(glm::vec3(radius * cos(deg * DEG_TO_RAD), y + len * 0.5, radius * sin(deg * DEG_TO_RAD)));

vertices_2.push_back(glm::vec3(radius * cos(deg * DEG_TO_RAD), y + len * -0.5, radius * sin(deg * DEG_TO_RAD)));

if (deg > deg_start) {

ofBeginShape();

ofVertex(glm::vec3(radius * cos(deg * DEG_TO_RAD), y + len * 0.5, radius * sin(deg * DEG_TO_RAD)));

ofVertex(glm::vec3(radius * cos((deg - 1) * DEG_TO_RAD), y + len * 0.5, radius * sin((deg - 1) * DEG_TO_RAD)));

ofVertex(glm::vec3(radius * cos((deg - 1) * DEG_TO_RAD), y + len * -0.5, radius * sin((deg - 1) * DEG_TO_RAD)));

ofVertex(glm::vec3(radius * cos(deg * DEG_TO_RAD), y + len * -0.5, radius * sin(deg * DEG_TO_RAD)));

ofEndShape(true);

}

reverse(vertices_2.begin(), vertices_2.end());

ofNoFill();

ofSetColor(39);

ofBeginShape();

ofVertices(vertices_1);

ofVertices(vertices_2);

ofEndShape(true);

vertices_1.clear();

vertices_2.clear();

}

this->cam.end();

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20190601

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2019年5月31日

Color shadow. openFrameworks

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[ About ]
色付き影

Color shadow.

[ Source ]

#pragma once
#include "ofMain.h"
#include "opencv2/opencv.hpp"

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 fbo;
	ofPixels pixels;
	cv::Mat pixels_mat;
};

#pragma once

#include "ofMain.h"

#include "opencv2/opencv.hpp"

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 fbo;

ofPixels pixels;

cv::Mat pixels_mat;

};

#include "ofApp.h"

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

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

	ofBackground(239);
	ofSetLineWidth(3);

	this->fbo.allocate(ofGetWidth() + 25, ofGetHeight() + 25);
	this->fbo.readToPixels(this->pixels);
	// Link pixels And pixels_mat
	this->pixels_mat = cv::Mat(this->pixels.getHeight(), this->pixels.getWidth(), CV_8UC4, this->pixels.getData());
}

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

	ofSeedRandom(19);

	this->fbo.begin();
	ofClear(0);
	ofTranslate(this->fbo.getWidth() * 0.5, this->fbo.getHeight() * 0.5);

	ofColor color;
	for (int i = 0; i < 8; i++) {

		auto len = 20;
		auto radius = ofRandom(50 + i * 30, 80 + i * 25);
		auto deg_start = ofRandom(360) + ofGetFrameNum() * ofRandom(2, 4);
		auto deg_end = deg_start + ofRandom(100, 270);
		vector<glm::vec2> vertices_1, vertices_2;
		for (int deg = deg_start; deg < deg_end; deg++) {

			vertices_1.push_back(glm::vec2((radius - len * 0.5) * cos(deg * DEG_TO_RAD), (radius - len * 0.5) * sin(deg * DEG_TO_RAD)));
			vertices_2.push_back(glm::vec2((radius + len * 0.5) * cos(deg * DEG_TO_RAD), (radius + len * 0.5) * sin(deg * DEG_TO_RAD)));
		}
		reverse(vertices_2.begin(), vertices_2.end());

		color.setHsb(ofRandom(255), 180, 255);
		ofSetColor(color);

		ofBeginShape();
		ofVertices(vertices_1);
		ofVertices(vertices_2);
		ofEndShape(true);
	}

	this->fbo.end();
	// Copy Fbo To pixels
	this->fbo.readToPixels(this->pixels);

	// Blur Process
	cv::GaussianBlur(this->pixels_mat, this->pixels_mat, cv::Size(19, 15), 8, 6);
}

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

	// Draw Shadow
	ofSetColor(255, 192);
	ofImage draw_image;
	draw_image.setFromPixels(this->pixels);
	draw_image.draw(-5, -5);

	// Draw Fbo Image 
	ofSetColor(255);
	this->fbo.draw(-30, -30);
}

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

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

#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(60);

ofSetWindowTitle("openFrameworks");

ofBackground(239);

ofSetLineWidth(3);

this->fbo.allocate(ofGetWidth() + 25, ofGetHeight() + 25);

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

// Link pixels And pixels_mat

this->pixels_mat = cv::Mat(this->pixels.getHeight(), this->pixels.getWidth(), CV_8UC4, this->pixels.getData());

}

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

void ofApp::update() {

ofSeedRandom(19);

this->fbo.begin();

ofClear(0);

ofTranslate(this->fbo.getWidth() * 0.5, this->fbo.getHeight() * 0.5);

ofColor color;

for (int i = 0; i < 8; i++) {

auto len = 20;

auto radius = ofRandom(50 + i * 30, 80 + i * 25);

auto deg_start = ofRandom(360) + ofGetFrameNum() * ofRandom(2, 4);

auto deg_end = deg_start + ofRandom(100, 270);

vector<glm::vec2> vertices_1, vertices_2;

for (int deg = deg_start; deg < deg_end; deg++) {

vertices_1.push_back(glm::vec2((radius - len * 0.5) * cos(deg * DEG_TO_RAD), (radius - len * 0.5) * sin(deg * DEG_TO_RAD)));

vertices_2.push_back(glm::vec2((radius + len * 0.5) * cos(deg * DEG_TO_RAD), (radius + len * 0.5) * sin(deg * DEG_TO_RAD)));

}

reverse(vertices_2.begin(), vertices_2.end());

color.setHsb(ofRandom(255), 180, 255);

ofSetColor(color);

ofBeginShape();

ofVertices(vertices_1);

ofVertices(vertices_2);

ofEndShape(true);

}

this->fbo.end();

// Copy Fbo To pixels

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

// Blur Process

cv::GaussianBlur(this->pixels_mat, this->pixels_mat, cv::Size(19, 15), 8, 6);

}

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

void ofApp::draw() {

// Draw Shadow

ofSetColor(255, 192);

ofImage draw_image;

draw_image.setFromPixels(this->pixels);

draw_image.draw(-5, -5);

// Draw Fbo Image

ofSetColor(255);

this->fbo.draw(-30, -30);

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20190531

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