thib8956/tic-tac-toe-ws
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keep colors and refactor

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This commit is contained in:
Thibaud Gasser 2024-09-25 15:34:59 +02:00
parent 2136159808
commit a636abddbe
1 changed files with 34 additions and 70 deletions
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104
client.mts
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@ -12,6 +12,10 @@ interface Point {
y: number;
}
type Empty = undefined;
type Cell = Empty | Shape;
interface Shape {
kind: "o" | "x";
pos: Point;
@ -19,9 +23,8 @@ interface Shape {
time: number | null;
}
let grid = [0, 0, 0, 0, 0, 0, 0, 0, 0];
let grid: Cell[] = new Array(9);
let pendingEvts: Point[] = [];
let pendingShapes: Shape[] = [];
let myId: number | null = null;
let mySymbol: "x" | "o" | null = null;
let canvasMsg: string = "Offline";
@ -72,47 +75,6 @@ function handlePendingEvts(ws: WebSocket, gridOrigin: Point) {
pendingEvts = [];
}
function handlePendingShapes(ctx: CanvasRenderingContext2D, gridOrigin: Point, time: number) {
const shapes = [];
for (let shape of pendingShapes) {
if (shape.time === null) {
shape.time = time;
}
const dt = time - shape.time;
const p = gridIndexToCoords(gridOrigin, shape.pos.x, shape.pos.y);
switch (shape.kind) {
case "o":
drawAnimatedCircle(ctx, dt, p.x, p.y, shape.hue);
break;
case "x":
drawAnimatedCross(ctx, dt, p.x, p.y, shape.hue);
break;
}
if (dt <= ANIMATE_DURATION) {
shapes.push(shape);
}
}
pendingShapes = shapes;
}
function drawCircle(ctx: CanvasRenderingContext2D, center: Point) {
const radius = SHAPE_SIZE/2;
ctx.beginPath();
ctx.arc(center.x, center.y, radius, 0, Math.PI * 2);
ctx.stroke();
}
function drawCross(ctx: CanvasRenderingContext2D, center: Point) {
const startPoint = { x: center.x-SHAPE_SIZE/2, y: center.y-SHAPE_SIZE/2 };
ctx.beginPath();
ctx.moveTo(startPoint.x, startPoint.y);
ctx.lineTo(startPoint.x + 100, startPoint.y + 100);
ctx.moveTo(startPoint.x + 100, startPoint.y);
ctx.lineTo(startPoint.x, startPoint.y + 100);
ctx.stroke();
}
function drawAnimatedCircle(ctx: CanvasRenderingContext2D, dt: number, x: number, y: number, hue: number) {
const radius = SHAPE_SIZE / 2;
const end = dt*2*Math.PI/ANIMATE_DURATION;
@ -160,25 +122,28 @@ function gridIndexToCoords(gridOrigin: Point, x: number, y: number): Point {
return center;
}
function updateGridState(ctx: CanvasRenderingContext2D, gridOrigin: Point) {
function updateGridState(ctx: CanvasRenderingContext2D, time: number, gridOrigin: Point) {
for (let y = 0; y < 3; ++y) {
for (let x = 0; x < 3; ++x) {
if (pendingShapes.some(s => s.pos.x === x && s.pos.y === y)) {
continue;
}
switch (grid[y*3+x]) {
case 0: break;
case myId: {
const p = gridIndexToCoords(gridOrigin, x, y);
mySymbol == "o" ? drawCircle(ctx, p) : drawCross(ctx, p);
break;
const shape = grid[y*3+x]
if (shape) {
if (shape.time === null) {
shape.time = time;
}
default: {
const p = gridIndexToCoords(gridOrigin, x, y);
mySymbol == "o" ? drawCross(ctx, p) : drawCircle(ctx, p);
break;
const p = gridIndexToCoords(gridOrigin, shape.pos.x, shape.pos.y);
const dt = time - shape.time;
switch (shape.kind) {
case "o": {
drawAnimatedCircle(ctx, dt, p.x, p.y, shape.hue);
break;
}
case "x": {
drawAnimatedCross(ctx, dt, p.x, p.y, shape.hue);
break;
}
default: break;
}
}
}
@ -199,8 +164,7 @@ function update(ctx: CanvasRenderingContext2D, time: number, ws: WebSocket) {
drawGridBackground(ctx, gridOrigin);
handlePendingEvts(ws, gridOrigin);
handlePendingShapes(ctx, gridOrigin, time);
updateGridState(ctx, gridOrigin);
updateGridState(ctx, time, gridOrigin);
window.requestAnimationFrame(t => update(ctx, t, ws));
}
@ -235,15 +199,15 @@ function init() {
break;
}
case "update": {
const res = msg.data as Response;
const shape: Shape = {
kind: res.last.symbol,
pos: { x: res.last.x, y: res.last.y },
hue: Math.floor(Math.random() * 255),
time: null,
};
grid = res.grid;
pendingShapes.push(shape);
const res = msg.data as Response;
const { x, y } = res.last;
const shape: Shape = {
kind: res.last.symbol,
pos: { x, y },
hue: Math.floor(Math.random() * 255),
time: null,
};
grid[y*3+x] = shape;
console.log(grid);
break;
}