Removed twojs as I wasnt really using it anyway

This commit is contained in:
Mitchell McCaffrey 2020-04-18 18:54:13 +10:00
parent e2daf1a595
commit f472f03616
3 changed files with 43 additions and 53 deletions

View File

@ -22,7 +22,6 @@
"simplebar-react": "^2.1.0",
"socket.io-client": "^2.3.0",
"theme-ui": "^0.3.1",
"two.js": "^0.7.0-stable.1",
"webrtc-adapter": "^7.5.1"
},
"scripts": {

View File

@ -1,30 +1,10 @@
import React, { useRef, useEffect } from "react";
import Two from "two.js";
import React, { useRef, useEffect, useState } from "react";
function MapDrawing({ width, height }) {
const twoRef = useRef(new Two({ type: Two.Types.canvas }));
const canvasRef = useRef();
const containerRef = useRef();
useEffect(() => {
const two = twoRef.current;
const container = containerRef.current;
if (two && container) {
two.width = width;
two.height = height;
two.update();
// Force the canvas to be 100% after update
const canvas = container.firstChild;
if (canvas) {
canvas.style.width = "100%";
canvas.style.height = "100%";
}
}
}, [width, height]);
useEffect(() => {
const two = twoRef.current;
two.appendTo(containerRef.current);
}, []);
const [shapes, setShapes] = useState([]);
function getMousePosition(event) {
const container = containerRef.current;
@ -32,42 +12,51 @@ function MapDrawing({ width, height }) {
const containerRect = container.getBoundingClientRect();
const x = (event.clientX - containerRect.x) / containerRect.width;
const y = (event.clientY - containerRect.y) / containerRect.height;
let v = new Two.Vector(x * width, y * height);
v.position = new Two.Vector().copy(v);
return v;
return { x: x * width, y: y * height };
}
}
const mouseDownRef = useRef(false);
const shapeRef = useRef();
const [isMouseDown, setIsMouseDown] = useState(false);
function handleMouseDown(event) {
const two = twoRef.current;
if (two) {
mouseDownRef.current = true;
let position = getMousePosition(event);
let shape = two.makePath([position], false);
shape.fill = "#333";
shape.stroke = "#333";
shape.linewidth = 5;
shape.vertices[0].addSelf(shape.translation);
shape.translation.clear();
shapeRef.current = shape;
}
setIsMouseDown(true);
const position = getMousePosition(event);
setShapes((prevShapes) => [...prevShapes, { points: [position] }]);
}
function handleMouseMove(event) {
const shape = shapeRef.current;
const two = twoRef.current;
if (mouseDownRef.current && shape && two) {
shape.vertices.push(getMousePosition(event));
two.render();
if (isMouseDown) {
const position = getMousePosition(event);
setShapes((prevShapes) => {
const currentShape = prevShapes.slice(-1)[0];
const otherShapes = prevShapes.slice(0, -1);
return [...otherShapes, { points: [...currentShape.points, position] }];
});
}
}
function handleMouseUp(event) {
mouseDownRef.current = false;
setIsMouseDown(false);
}
useEffect(() => {
const canvas = canvasRef.current;
if (canvas) {
const context = canvas.getContext("2d");
context.clearRect(0, 0, width, height);
for (let shape of shapes) {
context.beginPath();
context.moveTo(shape.points[0].x, shape.points[0].y);
for (let point of shape.points.slice(1)) {
context.lineTo(point.x, point.y);
}
context.closePath();
context.stroke();
context.fill();
}
}
}, [shapes, width, height]);
return (
<div
style={{ position: "absolute", top: 0, left: 0, right: 0, bottom: 0 }}
@ -75,7 +64,14 @@ function MapDrawing({ width, height }) {
onMouseDown={handleMouseDown}
onMouseMove={handleMouseMove}
onMouseUp={handleMouseUp}
/>
>
<canvas
ref={canvasRef}
width={width}
height={height}
style={{ width: "100%", height: "100%" }}
/>
</div>
);
}

View File

@ -10770,11 +10770,6 @@ tweetnacl@^0.14.3, tweetnacl@~0.14.0:
resolved "https://registry.yarnpkg.com/tweetnacl/-/tweetnacl-0.14.5.tgz#5ae68177f192d4456269d108afa93ff8743f4f64"
integrity sha1-WuaBd/GS1EViadEIr6k/+HQ/T2Q=
two.js@^0.7.0-stable.1:
version "0.7.0-stable.1"
resolved "https://registry.yarnpkg.com/two.js/-/two.js-0.7.0-stable.1.tgz#4999070a566c3ab1b2ba980134d0d786b46ce2db"
integrity sha512-4QULPtstGEyGbhMvVvCGxgm85Un6CMYqFYafw7hNan9LdqoYZqMnxsaj8pkfBT4zpRfqB98aZjGrWYoCBqKtXA==
type-check@~0.3.2:
version "0.3.2"
resolved "https://registry.yarnpkg.com/type-check/-/type-check-0.3.2.tgz#5884cab512cf1d355e3fb784f30804b2b520db72"