IUT_Informatique/Snake
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Custom snake sprite

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This commit is contained in:
Ethanell 2021-03-27 12:21:55 +01:00
parent d7ada21496
commit 93bd24e757
2 changed files with 135 additions and 14 deletions
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9
sources/js/Game.js
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@ -175,7 +175,12 @@ export class Game {
if (this.onEat && typeof this.onEat === "function")
this.onEat(this.score);
}
t.type = tiles.SNAKE;
if (!i)
t.type = tiles.HEAD;
else if (i === this.snake.body.length-1)
t.type = tiles.TAIL;
else
t.type = tiles.BODY;
}
});
}
@ -189,7 +194,7 @@ export class Game {
for (const l of this.world)
for (const t of l)
if (t.type === tiles.SNAKE)
if (t.type === tiles.HEAD || t.type === tiles.BODY || t.type === tiles.TAIL)
t.type = tiles.EMPTY;
this.updateSnake();

140
sources/js/Tile.js
View file

@ -1,4 +1,6 @@
import {Game} from "./Game.js";
import {directions} from "./Snake.js";
export class Tile {
/**
@ -42,20 +44,20 @@ export class Tile {
this.game.ctx.fillRect(...canvasPos, ...size);
this.game.ctx.globalCompositeOperation = "source-over";
const pxsize = Math.round(size[0]/12);
const width = canvasPos[0];
const height = canvasPos[1];
switch (this.type) {
case tiles.EMPTY:
this.game.ctx.strokeStyle = "#999999";
this.game.ctx.rect(...canvasPos, ...size);
break;
case tiles.APPLE:
let pxsize = Math.round(size[0]/12);
if (!pxsize) {
this.game.ctx.fillStyle = "#ff0000";
this.game.ctx.fillRect(...canvasPos, ...size);
} else {
let width = canvasPos[0];
let height = canvasPos[1];
this.game.ctx.fillStyle = "#00ffff";
this.game.ctx.fillRect(width+pxsize, height+pxsize, 10*pxsize, 10*pxsize);
@ -89,22 +91,134 @@ export class Tile {
this.game.ctx.fillRect(width+i*pxsize, height+7*pxsize, pxsize, pxsize);
this.game.ctx.globalCompositeOperation = "destination-out";
this.game.ctx.fillRect(width+1*pxsize, height+1*pxsize, pxsize, pxsize);
this.game.ctx.fillRect(width+10*pxsize, height+1*pxsize, pxsize, pxsize);
this.game.ctx.fillRect(width+1*pxsize, height+10*pxsize, pxsize, pxsize);
this.game.ctx.fillRect(width+10*pxsize, height+10*pxsize, pxsize, pxsize);
for (const [i,j] of [[1,1],[10,1],[1,10],[10,10]])
this.game.ctx.fillRect(width+i*pxsize, height+j*pxsize, pxsize, pxsize);
this.game.ctx.globalCompositeOperation = "source-over";
}
break;
case tiles.SNAKE:
this.game.ctx.fillStyle = "#00ff5f";
this.game.ctx.fillRect(...canvasPos, ...size);
case tiles.HEAD:
if (!pxsize) {
this.game.ctx.fillStyle = "#00ff5f";
this.game.ctx.fillRect(...canvasPos, ...size);
} else {
this.rotate(canvasPos, size);
this.game.ctx.fillStyle = "#FF4294";
this.game.ctx.fillRect(width + 6 * pxsize, height + pxsize, 6 * pxsize, 10 * pxsize);
this.game.ctx.fillRect(width + 4 * pxsize, height + 2 * pxsize, 6 * pxsize, 8 * pxsize);
this.game.ctx.fillRect(width + 2 * pxsize, height + 3 * pxsize, 6 * pxsize, 6 * pxsize);
this.game.ctx.fillRect(width + pxsize, height + 5 * pxsize, pxsize, 2 * pxsize);
this.game.ctx.fillStyle = "#000000";
this.game.ctx.fillRect(width + 6 * pxsize, height, pxsize * 6, pxsize);
this.game.ctx.fillRect(width + 6 * pxsize, height + 11 * pxsize, pxsize * 6, pxsize);
this.game.ctx.fillRect(width + 4 * pxsize, height + pxsize, pxsize * 2, pxsize);
this.game.ctx.fillRect(width + 4 * pxsize, height + 10 * pxsize, pxsize * 2, pxsize);
this.game.ctx.fillRect(width + 2 * pxsize, height + 2 * pxsize, pxsize * 2, pxsize);
this.game.ctx.fillRect(width + 2 * pxsize, height + 9 * pxsize, pxsize * 2, pxsize);
this.game.ctx.fillRect(width + pxsize, height + 7 * pxsize, pxsize, pxsize * 2);
this.game.ctx.fillRect(width + pxsize, height + 3 * pxsize, pxsize, pxsize * 2);
this.game.ctx.fillRect(width, height + 5 * pxsize, pxsize, pxsize * 2);
this.game.ctx.fillRect(width + 6 * pxsize, height + 4 * pxsize, pxsize * 4, pxsize);
this.game.ctx.fillRect(width + 6 * pxsize, height + 7 * pxsize, pxsize * 4, pxsize);
this.game.ctx.setTransform(1, 0, 0, 1, 0, 0);
}
break;
case tiles.BODY:
if (!pxsize) {
this.game.ctx.fillStyle = "#0d5317";
this.game.ctx.fillRect(...canvasPos, ...size);
} else {
this.rotate(canvasPos, size);
this.game.ctx.fillStyle = "#FF4294";
this.game.ctx.fillRect(width, height, 12*pxsize, 12*pxsize);
this.game.ctx.fillStyle = "#000000";
this.game.ctx.fillRect(width, height, pxsize*12, pxsize);
this.game.ctx.fillRect(width, height+11*pxsize, pxsize*12, pxsize);
for (const [i,j] of [[1,1],[1,9],[2,3],[2,7],[3,5],[5,1],[5,9],[6,3],[6,7],[7,5],[9,1],[9,9],[10,3],[10,7],[11,5]])
this.game.ctx.fillRect(width+i*pxsize, height+j*pxsize, pxsize, pxsize*2);
this.game.ctx.setTransform(1, 0, 0, 1, 0, 0);
}
break;
case tiles.TAIL:
if (!pxsize) {
this.game.ctx.fillStyle = "#efff00";
this.game.ctx.fillRect(...canvasPos, ...size);
} else {
this.rotate(canvasPos, size);
this.game.ctx.fillStyle = "#FF4294";
this.game.ctx.fillRect(width, height+pxsize, pxsize, 10*pxsize);
this.game.ctx.fillRect(width+pxsize, height+2*pxsize, pxsize, 8*pxsize);
this.game.ctx.fillRect(width+2*pxsize, height+3*pxsize, 2*pxsize, 6*pxsize);
this.game.ctx.fillRect(width+4*pxsize, height+4*pxsize, 3*pxsize, 4*pxsize);
this.game.ctx.fillRect(width+7*pxsize, height+5*pxsize, 4*pxsize, 2*pxsize);
this.game.ctx.fillStyle = "#000000";
this.game.ctx.fillRect(width, height, pxsize, pxsize);
this.game.ctx.fillRect(width, height+11*pxsize, pxsize, pxsize);
this.game.ctx.fillRect(width+pxsize, height+pxsize, pxsize, pxsize);
this.game.ctx.fillRect(width+pxsize, height+10*pxsize, pxsize, pxsize);
this.game.ctx.fillRect(width+2*pxsize, height+2*pxsize, 2*pxsize, pxsize);
this.game.ctx.fillRect(width+2*pxsize, height+9*pxsize, 2*pxsize, pxsize);
this.game.ctx.fillRect(width+4*pxsize, height+3*pxsize, 3*pxsize, pxsize);
this.game.ctx.fillRect(width+4*pxsize, height+8*pxsize, 3*pxsize, pxsize);
this.game.ctx.fillRect(width+7*pxsize, height+4*pxsize, 4*pxsize, pxsize);
this.game.ctx.fillRect(width+7*pxsize, height+7*pxsize, 4*pxsize, pxsize);
this.game.ctx.fillRect(width+11*pxsize, height+5*pxsize, pxsize, 2*pxsize);
this.game.ctx.fillRect(width+5*pxsize, height+5*pxsize, pxsize, 2*pxsize);
this.game.ctx.fillRect(width, height+4*pxsize, pxsize, 4*pxsize);
this.game.ctx.fillRect(width+pxsize, height+3*pxsize, pxsize, pxsize);
this.game.ctx.fillRect(width+pxsize, height+8*pxsize, pxsize, pxsize);
this.game.ctx.fillRect(width+4*pxsize, height+4*pxsize, pxsize, pxsize);
this.game.ctx.fillRect(width+4*pxsize, height+7*pxsize, pxsize, pxsize);
this.game.ctx.setTransform(1, 0, 0, 1, 0, 0);
}
break;
}
this.game.ctx.stroke();
}
getDirection() {
const np = this.game.snake.body[this.game.snake.body.findIndex(([x,y]) => x === this.x && y === this.y)-1];
const d = [this.x, this.y].map((n, i) => -(n - np[i]));
return Object.values(directions).find(([x, y]) => d[0] === x && d[1] === y);
}
rotate(canvasPos, size) {
const cx = canvasPos[0] + 0.5 * size[0];
const cy = canvasPos[1] + 0.5 * size[1];
this.game.ctx.translate(cx, cy);
switch (this.type === tiles.HEAD? this.game.lastDirection : this.getDirection()) {
case directions.UP:
this.game.ctx.rotate(Math.PI / 2);
break;
case directions.DOWN:
this.game.ctx.rotate(-Math.PI / 2);
break;
case directions.RIGHT:
this.game.ctx.rotate(-Math.PI);
break;
case directions.LEFT:
break;
}
this.game.ctx.translate(-cx, -cy);
}
/**
* Get the tile position on the canvas
* @returns {[int, int]}
@ -135,5 +249,7 @@ export class InvalidTileOption extends Error {
export const tiles = {
EMPTY: "empty",
APPLE: "apple",
SNAKE: "snake"
HEAD: "head",
BODY: "body",
TAIL: "tail"
};