rect – ページ 9 – プログラミング de 落描き

2020年1月7日2020年1月7日

Mix circle and rectangle. openFrameworks

[ Video ]

[ About ]
Processing勉強会の課題「円と四角」。

Mix circle and rectangle.

[ 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) {};

	glm::vec2 make_point(int len, int param);

	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 windowResized(int w, int h) {};

void dragEvent(ofDragInfo dragInfo) {};

void gotMessage(ofMessage msg) {};

glm::vec2 make_point(int len, int param);

ofEasyCam cam;

};

#include "ofApp.h"

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

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

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

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

}

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

	this->cam.begin();

	int len = 300;
	int width = 20;
	for (int z = -len; z <= len; z += width) {

		ofMesh mesh, frame;
		frame.setMode(ofPrimitiveMode::OF_PRIMITIVE_LINES);
		for (int param = 0; param <= 100; param++) {

			int deg = param * 3.6 - 135;
			auto noise_value = ofNoise(cos(deg * DEG_TO_RAD) * 0.5, sin(deg * DEG_TO_RAD) * 0.5, z * 0.005 + ofGetFrameNum() * 0.008);

			vector<glm::vec3> vertices;
			if (noise_value > 0.45) {

				vertices.push_back(glm::vec3(this->make_point(len, param), z + width * 0.5));
				vertices.push_back(glm::vec3(this->make_point(len, param), z - width * 0.5));
			}
			else {

				vertices.push_back(glm::vec3(len * 0.4 * cos(deg * DEG_TO_RAD), len * 0.4 * sin(deg * DEG_TO_RAD), z + width * 0.5));
				vertices.push_back(glm::vec3(len * 0.4 * cos(deg * DEG_TO_RAD), len * 0.4 * sin(deg * DEG_TO_RAD), z - width * 0.5));
			}

			mesh.addVertices(vertices);
			frame.addVertices(vertices);

			int index = mesh.getNumVertices() - 1;
			if (param > 0) {

				mesh.addIndex(index); mesh.addIndex(index - 2); mesh.addIndex(index - 3);
				mesh.addIndex(index); mesh.addIndex(index - 1); mesh.addIndex(index - 3);

				frame.addIndex(index); frame.addIndex(index - 2);
				frame.addIndex(index - 1); frame.addIndex(index - 3);
			}
		}

		ofSetColor(ofMap(z, -len, len, 239, 39));
		mesh.draw();

		frame.addIndex(0); frame.addIndex(1);
		frame.addIndex(frame.getNumVertices() - 1); frame.addIndex(frame.getNumVertices() - 2);

		ofSetColor(239);
		frame.drawWireframe();
	}

	this->cam.end();
}

//--------------------------------------------------------------
glm::vec2 ofApp::make_point(int len, int param) {

	param = param % 100;
	if (param < 25) {

		return glm::vec2(ofMap(param, 0, 25, -len * 0.5, len * 0.5), -len * 0.5);
	}
	else if (param < 50) {

		return glm::vec2(len * 0.5, ofMap(param, 25, 50, -len * 0.5, len * 0.5));
	}
	else if (param < 75) {

		return glm::vec2(ofMap(param, 50, 75, len * 0.5, -len * 0.5), len * 0.5);
	}
	else {

		return glm::vec2(-len * 0.5, ofMap(param, 75, 100, len * 0.5, -len * 0.5));
	}
}

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

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

100

101

#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(60);

ofSetWindowTitle("openframeworks");

ofBackground(239);

ofSetLineWidth(2);

ofEnableDepthTest();

}

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

void ofApp::update() {

}

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

void ofApp::draw() {

this->cam.begin();

int len = 300;

int width = 20;

for (int z = -len; z <= len; z += width) {

ofMesh mesh, frame;

frame.setMode(ofPrimitiveMode::OF_PRIMITIVE_LINES);

for (int param = 0; param <= 100; param++) {

int deg = param * 3.6 - 135;

auto noise_value = ofNoise(cos(deg * DEG_TO_RAD) * 0.5, sin(deg * DEG_TO_RAD) * 0.5, z * 0.005 + ofGetFrameNum() * 0.008);

vector<glm::vec3> vertices;

if (noise_value > 0.45) {

vertices.push_back(glm::vec3(this->make_point(len, param), z + width * 0.5));

vertices.push_back(glm::vec3(this->make_point(len, param), z - width * 0.5));

}

else {

vertices.push_back(glm::vec3(len * 0.4 * cos(deg * DEG_TO_RAD), len * 0.4 * sin(deg * DEG_TO_RAD), z + width * 0.5));

vertices.push_back(glm::vec3(len * 0.4 * cos(deg * DEG_TO_RAD), len * 0.4 * sin(deg * DEG_TO_RAD), z - width * 0.5));

}

mesh.addVertices(vertices);

frame.addVertices(vertices);

int index = mesh.getNumVertices() - 1;

if (param > 0) {

mesh.addIndex(index); mesh.addIndex(index - 2); mesh.addIndex(index - 3);

mesh.addIndex(index); mesh.addIndex(index - 1); mesh.addIndex(index - 3);

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

frame.addIndex(index - 1); frame.addIndex(index - 3);

}

ofSetColor(ofMap(z, -len, len, 239, 39));

mesh.draw();

frame.addIndex(0); frame.addIndex(1);

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

ofSetColor(239);

frame.drawWireframe();

}

this->cam.end();

}

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

glm::vec2 ofApp::make_point(int len, int param) {

param = param % 100;

if (param < 25) {

return glm::vec2(ofMap(param, 0, 25, -len * 0.5, len * 0.5), -len * 0.5);

}

else if (param < 50) {

return glm::vec2(len * 0.5, ofMap(param, 25, 50, -len * 0.5, len * 0.5));

}

else if (param < 75) {

return glm::vec2(ofMap(param, 50, 75, len * 0.5, -len * 0.5), len * 0.5);

}

else {

return glm::vec2(-len * 0.5, ofMap(param, 75, 100, len * 0.5, -len * 0.5));

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20200107

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2020年1月5日2020年1月5日

Rectangle tornado. openFrameworks

[ Video ]

[ About ]
四角トルネード！

Rectangle tornado.

[ 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) {};

	glm::vec2 make_point(int len, int param);

	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 windowResized(int w, int h) {};

void dragEvent(ofDragInfo dragInfo) {};

void gotMessage(ofMessage msg) {};

glm::vec2 make_point(int len, int param);

ofEasyCam cam;

};

#include "ofApp.h"

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

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

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

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

}

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

	this->cam.begin();

	int len = 300;
	int width = 20;
	int param_span = 20;
	for (int z = -len; z <= len; z += width) {

		int n = ofMap(ofNoise(z * 0.0015 + ofGetFrameNum() * 0.01), 0, 1, 0, 200);
		for (int param_start = n; param_start < n + 100; param_start += param_span) {

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

			for (int param = param_start; param <= param_start + param_span * 0.5; param++) {

				auto side_1 = glm::vec3(this->make_point(len, param), z + width * 0.5);
				auto side_2 = glm::vec3(this->make_point(len, param), z - width * 0.5);

				mesh.addVertex(side_1);
				mesh.addVertex(side_2);

				frame.addVertex(side_1);
				frame.addVertex(side_2);

				int index = mesh.getNumVertices() - 1;
				if (param > param_start) {

					mesh.addIndex(index); mesh.addIndex(index - 2); mesh.addIndex(index - 3);
					mesh.addIndex(index); mesh.addIndex(index - 1); mesh.addIndex(index - 3);

					frame.addIndex(index); frame.addIndex(index - 2);
					frame.addIndex(index - 1); frame.addIndex(index - 3);
				}
			}

			ofSetColor(39);
			mesh.draw();

			frame.addIndex(0); frame.addIndex(1);
			frame.addIndex(frame.getNumVertices() - 1); frame.addIndex(frame.getNumVertices() - 2);

			ofSetColor(239);
			frame.drawWireframe();
		}
	}

	this->cam.end();
}

//--------------------------------------------------------------
glm::vec2 ofApp::make_point(int len, int param) {

	param = param % 100;
	if (param < 25) {

		return glm::vec2(ofMap(param, 0, 25, -len * 0.5, len * 0.5), -len * 0.5);
	}
	else if (param < 50) {

		return glm::vec2(len * 0.5, ofMap(param, 25, 50, -len * 0.5, len * 0.5));
	}
	else if (param < 75) {

		return glm::vec2(ofMap(param, 50, 75, len * 0.5, -len * 0.5), len * 0.5);
	}
	else {

		return glm::vec2(-len * 0.5, ofMap(param, 75, 100, len * 0.5, -len * 0.5));
	}
}

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

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

#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(60);

ofSetWindowTitle("openframeworks");

ofBackground(239);

ofSetLineWidth(2);

ofEnableDepthTest();

}

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

void ofApp::update() {

}

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

void ofApp::draw() {

this->cam.begin();

int len = 300;

int width = 20;

int param_span = 20;

for (int z = -len; z <= len; z += width) {

int n = ofMap(ofNoise(z * 0.0015 + ofGetFrameNum() * 0.01), 0, 1, 0, 200);

for (int param_start = n; param_start < n + 100; param_start += param_span) {

ofMesh mesh, frame;

frame.setMode(ofPrimitiveMode::OF_PRIMITIVE_LINES);

for (int param = param_start; param <= param_start + param_span * 0.5; param++) {

auto side_1 = glm::vec3(this->make_point(len, param), z + width * 0.5);

auto side_2 = glm::vec3(this->make_point(len, param), z - width * 0.5);

mesh.addVertex(side_1);

mesh.addVertex(side_2);

frame.addVertex(side_1);

frame.addVertex(side_2);

int index = mesh.getNumVertices() - 1;

if (param > param_start) {

mesh.addIndex(index); mesh.addIndex(index - 2); mesh.addIndex(index - 3);

mesh.addIndex(index); mesh.addIndex(index - 1); mesh.addIndex(index - 3);

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

frame.addIndex(index - 1); frame.addIndex(index - 3);

}

ofSetColor(39);

mesh.draw();

frame.addIndex(0); frame.addIndex(1);

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

ofSetColor(239);

frame.drawWireframe();

}

this->cam.end();

}

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

glm::vec2 ofApp::make_point(int len, int param) {

param = param % 100;

if (param < 25) {

return glm::vec2(ofMap(param, 0, 25, -len * 0.5, len * 0.5), -len * 0.5);

}

else if (param < 50) {

return glm::vec2(len * 0.5, ofMap(param, 25, 50, -len * 0.5, len * 0.5));

}

else if (param < 75) {

return glm::vec2(ofMap(param, 50, 75, len * 0.5, -len * 0.5), len * 0.5);

}

else {

return glm::vec2(-len * 0.5, ofMap(param, 75, 100, len * 0.5, -len * 0.5));

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20200105

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2019年11月19日

Strap is flapping. openFrameworks

[ Video ]

[ About ]
はためく帯。

Strap is flapping.

[ 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;
	vector<ofMesh> face_mesh_list, frame_mesh_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 windowResized(int w, int h) {};

void dragEvent(ofDragInfo dragInfo) {};

void gotMessage(ofMessage msg) {};

ofEasyCam cam;

vector<ofMesh> face_mesh_list, frame_mesh_list;

};

#include "ofApp.h"

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

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

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

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

	this->face_mesh_list.clear();
	this->frame_mesh_list.clear();

	auto width = 15;
	for (auto x = -250; x <= 250; x += width * 2) {

		ofMesh face_mesh, frame_mesh;
		frame_mesh.setMode(ofPrimitiveMode::OF_PRIMITIVE_LINES);
		for (auto y = -200; y < 200; y += 1) {

			int index = face_mesh.getVertices().size();
			auto z_1 = ofMap(ofNoise(x * 0.015, y * 0.003 + ofGetFrameNum() * 0.005), 0, 1, -50, 50);
			auto z_2 = ofMap(ofNoise(x * 0.015, (y + 1) * 0.003 + ofGetFrameNum() * 0.005), 0, 1, -50, 50);

			face_mesh.addVertex(glm::vec3(x - width * 0.5, y, z_1));
			face_mesh.addVertex(glm::vec3(x + width * 0.5, y, z_1));
			face_mesh.addVertex(glm::vec3(x + width * 0.5, y + 1, z_2));
			face_mesh.addVertex(glm::vec3(x - width * 0.5, y + 1, z_2));

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

			frame_mesh.addVertex(glm::vec3(x - width * 0.5, y, z_1));
			frame_mesh.addVertex(glm::vec3(x + width * 0.5, y, z_1));
			frame_mesh.addVertex(glm::vec3(x + width * 0.5, y + 1, z_2));
			frame_mesh.addVertex(glm::vec3(x - width * 0.5, y + 1, z_2));

			frame_mesh.addIndex(index + 0); frame_mesh.addIndex(index + 3);
			frame_mesh.addIndex(index + 1); frame_mesh.addIndex(index + 2);
		}

		frame_mesh.addIndex(0); frame_mesh.addIndex(1);
		frame_mesh.addIndex(frame_mesh.getVertices().size() - 2); frame_mesh.addIndex(frame_mesh.getVertices().size() - 1);

		this->face_mesh_list.push_back(face_mesh);
		this->frame_mesh_list.push_back(frame_mesh);
	}
}

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

	this->cam.begin();

	ofSetColor(39);
	for (auto& face_mesh : this->face_mesh_list) {

		face_mesh.drawFaces();
	}

	ofSetColor(239);
	for (auto& frame_mesh : this->frame_mesh_list) {

		frame_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(239);

ofSetColor(39);

ofEnableDepthTest();

}

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

void ofApp::update() {

this->face_mesh_list.clear();

this->frame_mesh_list.clear();

auto width = 15;

for (auto x = -250; x <= 250; x += width * 2) {

ofMesh face_mesh, frame_mesh;

frame_mesh.setMode(ofPrimitiveMode::OF_PRIMITIVE_LINES);

for (auto y = -200; y < 200; y += 1) {

int index = face_mesh.getVertices().size();

auto z_1 = ofMap(ofNoise(x * 0.015, y * 0.003 + ofGetFrameNum() * 0.005), 0, 1, -50, 50);

auto z_2 = ofMap(ofNoise(x * 0.015, (y + 1) * 0.003 + ofGetFrameNum() * 0.005), 0, 1, -50, 50);

face_mesh.addVertex(glm::vec3(x - width * 0.5, y, z_1));

face_mesh.addVertex(glm::vec3(x + width * 0.5, y, z_1));

face_mesh.addVertex(glm::vec3(x + width * 0.5, y + 1, z_2));

face_mesh.addVertex(glm::vec3(x - width * 0.5, y + 1, z_2));

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

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

frame_mesh.addVertex(glm::vec3(x - width * 0.5, y, z_1));

frame_mesh.addVertex(glm::vec3(x + width * 0.5, y, z_1));

frame_mesh.addVertex(glm::vec3(x + width * 0.5, y + 1, z_2));

frame_mesh.addVertex(glm::vec3(x - width * 0.5, y + 1, z_2));

frame_mesh.addIndex(index + 0); frame_mesh.addIndex(index + 3);

frame_mesh.addIndex(index + 1); frame_mesh.addIndex(index + 2);

}

frame_mesh.addIndex(0); frame_mesh.addIndex(1);

frame_mesh.addIndex(frame_mesh.getVertices().size() - 2); frame_mesh.addIndex(frame_mesh.getVertices().size() - 1);

this->face_mesh_list.push_back(face_mesh);

this->frame_mesh_list.push_back(frame_mesh);

}

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

void ofApp::draw() {

this->cam.begin();

ofSetColor(39);

for (auto& face_mesh : this->face_mesh_list) {

face_mesh.drawFaces();

}

ofSetColor(239);

for (auto& frame_mesh : this->frame_mesh_list) {

frame_mesh.drawWireframe();

}

this->cam.end();

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20191119

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