Eduardo Oliveira EduardoJM

🏠

Working from home

Nerd, graduado em Licenciatura em Matemática (2019), trabalhando como Engenheiro de Software desde 2021.

EduardoJM / funcoes_admissiveis.tex

Created October 23, 2019 19:41

Código LaTeX usando pacotes tikz plotando gráfico com funções admissiveis

	%
	% Código LaTeX usando pacotes tikz plotando gráfico com funções admissiveis
	% Por Eduardo Oliveira (https://eduardojm.github.io)
	%
	\documentclass{standalone}

	\usepackage{tikz}
	\usepackage{tkz-fct}

	\begin{document}

EduardoJM / sat_1.js

Created July 11, 2020 17:55

Separating Axis Theorem Helper Functions

	function buildEdges(vertices) {
	const edges = [];
	if (vertices.length < 3) {
	console.error("Only polygons supported.");
	return edges;
	}
	for (let i = 0; i < vertices.length; i++) {
	const a = vertices[i];
	let b = vertices[0];
	if (i + 1 < vertices.length) {

EduardoJM / sat_2.js

Created July 11, 2020 17:57

Separating Axis Theorem Polygon Structure

	function createPolygon(vertices) {
	const polygon = {};
	polygon.vertices = vertices;
	polygon.edges = buildEdges(vertices);

	polygon.projectInAxis = function(x, y) {
	}

	polygon.testWith = function (otherPolygon) {
	}

EduardoJM / sat_3.js

Created July 11, 2020 17:59

Separating Axis Theorem Polygon Offset

	polygon.offset = function(dx, dy) {
	for (let i = 0; i < polygon.vertices.length; i++) {
	polygon.vertices[i] = {
	x: polygon.vertices[i].x + dx,
	y: polygon.vertices[i].y + dy,
	};
	}
	};

EduardoJM / sat_4.js

Created July 11, 2020 18:00

Separating Axis Theorem Polygon Render Method

	polygon.render = function(context, color) {
	context.strokeStyle = color;
	context.beginPath();
	context.moveTo(
	polygon.vertices[0].x,
	polygon.vertices[0].y
	);
	for (let i = 1; i < polygon.vertices.length; i++) {
	context.lineTo(
	polygon.vertices[i].x,

EduardoJM / sat_5.js

Created July 11, 2020 18:07

Separating Axis Theorem Polygon in Axis Projection

	polygon.projectInAxis = function(x, y) {
	let min = 10000000000;
	let max = -10000000000;
	for (let i = 0; i < polygon.vertices.length; i++) {
	let px = polygon.vertices[i].x;
	let py = polygon.vertices[i].y;
	var projection = (px * x + py * y) / (Math.sqrt(x * x + y * y));
	if (projection > max) {
	max = projection;
	}

EduardoJM / sat_6.js

Created July 11, 2020 18:11

Separating Axis Theorem Collision Testing

	polygon.testWith = function (otherPolygon) {
	// get all edges
	const edges = [];
	for (let i = 0; i < polygon.edges.length; i++) {
	edges.push(polygon.edges[i]);
	}
	for (let i = 0; i < otherPolygon.edges.length; i++) {
	edges.push(otherPolygon.edges[i]);
	}
	// build all axis and project

EduardoJM / sat_7.js

Created July 11, 2020 18:15

Separating Axis Theorem Testing

	const canvas = document.getElementById('game');
	const context = canvas.getContext('2d');
	const polygons = [];
	const polygonsColors = [ 'red', 'blue', 'green', 'pink', 'purple', 'cyan' ];

	polygons.push(createPolygon([
	{ x: 50, y: 50 },
	{ x: 100, y: 50 },
	{ x: 100, y: 150 },
	{ x: 50, y: 150 },

EduardoJM / sat_8.html

Created July 11, 2020 18:17

Separathing Axis Theorem Testing Html

	<!DOCTYPE html>
	<html lang="en">
	<head>
	<meta charset="UTF-8">
	<meta name="viewport" content="width=device-width, initial-scale=1.0">
	<title>Document</title>
	</head>
	<body>

	<canvas id="game" width="512" height="512"></canvas>

EduardoJM / App.tsx

Created April 6, 2021 20:46

rn_text_1

	import React, { useState } from 'react';
	import { StatusBar } from 'expo-status-bar';
	import { StyleSheet, Text, View } from 'react-native';