Custom snake sprite
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d7ada21496
commit
93bd24e757
2 changed files with 135 additions and 14 deletions
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@ -175,7 +175,12 @@ export class Game {
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if (this.onEat && typeof this.onEat === "function")
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this.onEat(this.score);
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}
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t.type = tiles.SNAKE;
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if (!i)
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t.type = tiles.HEAD;
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else if (i === this.snake.body.length-1)
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t.type = tiles.TAIL;
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else
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t.type = tiles.BODY;
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}
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});
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}
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@ -189,7 +194,7 @@ export class Game {
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for (const l of this.world)
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for (const t of l)
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if (t.type === tiles.SNAKE)
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if (t.type === tiles.HEAD || t.type === tiles.BODY || t.type === tiles.TAIL)
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t.type = tiles.EMPTY;
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this.updateSnake();
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@ -1,4 +1,6 @@
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import {Game} from "./Game.js";
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import {directions} from "./Snake.js";
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export class Tile {
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/**
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@ -42,20 +44,20 @@ export class Tile {
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this.game.ctx.fillRect(...canvasPos, ...size);
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this.game.ctx.globalCompositeOperation = "source-over";
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const pxsize = Math.round(size[0]/12);
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const width = canvasPos[0];
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const height = canvasPos[1];
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switch (this.type) {
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case tiles.EMPTY:
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this.game.ctx.strokeStyle = "#999999";
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this.game.ctx.rect(...canvasPos, ...size);
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break;
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case tiles.APPLE:
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let pxsize = Math.round(size[0]/12);
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if (!pxsize) {
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this.game.ctx.fillStyle = "#ff0000";
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this.game.ctx.fillRect(...canvasPos, ...size);
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} else {
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let width = canvasPos[0];
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let height = canvasPos[1];
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this.game.ctx.fillStyle = "#00ffff";
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this.game.ctx.fillRect(width+pxsize, height+pxsize, 10*pxsize, 10*pxsize);
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@ -89,22 +91,134 @@ export class Tile {
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this.game.ctx.fillRect(width+i*pxsize, height+7*pxsize, pxsize, pxsize);
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this.game.ctx.globalCompositeOperation = "destination-out";
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this.game.ctx.fillRect(width+1*pxsize, height+1*pxsize, pxsize, pxsize);
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this.game.ctx.fillRect(width+10*pxsize, height+1*pxsize, pxsize, pxsize);
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this.game.ctx.fillRect(width+1*pxsize, height+10*pxsize, pxsize, pxsize);
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this.game.ctx.fillRect(width+10*pxsize, height+10*pxsize, pxsize, pxsize);
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for (const [i,j] of [[1,1],[10,1],[1,10],[10,10]])
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this.game.ctx.fillRect(width+i*pxsize, height+j*pxsize, pxsize, pxsize);
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this.game.ctx.globalCompositeOperation = "source-over";
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}
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break;
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case tiles.SNAKE:
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this.game.ctx.fillStyle = "#00ff5f";
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this.game.ctx.fillRect(...canvasPos, ...size);
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case tiles.HEAD:
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if (!pxsize) {
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this.game.ctx.fillStyle = "#00ff5f";
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this.game.ctx.fillRect(...canvasPos, ...size);
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} else {
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this.rotate(canvasPos, size);
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this.game.ctx.fillStyle = "#FF4294";
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this.game.ctx.fillRect(width + 6 * pxsize, height + pxsize, 6 * pxsize, 10 * pxsize);
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this.game.ctx.fillRect(width + 4 * pxsize, height + 2 * pxsize, 6 * pxsize, 8 * pxsize);
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this.game.ctx.fillRect(width + 2 * pxsize, height + 3 * pxsize, 6 * pxsize, 6 * pxsize);
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this.game.ctx.fillRect(width + pxsize, height + 5 * pxsize, pxsize, 2 * pxsize);
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this.game.ctx.fillStyle = "#000000";
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this.game.ctx.fillRect(width + 6 * pxsize, height, pxsize * 6, pxsize);
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this.game.ctx.fillRect(width + 6 * pxsize, height + 11 * pxsize, pxsize * 6, pxsize);
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this.game.ctx.fillRect(width + 4 * pxsize, height + pxsize, pxsize * 2, pxsize);
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this.game.ctx.fillRect(width + 4 * pxsize, height + 10 * pxsize, pxsize * 2, pxsize);
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this.game.ctx.fillRect(width + 2 * pxsize, height + 2 * pxsize, pxsize * 2, pxsize);
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this.game.ctx.fillRect(width + 2 * pxsize, height + 9 * pxsize, pxsize * 2, pxsize);
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this.game.ctx.fillRect(width + pxsize, height + 7 * pxsize, pxsize, pxsize * 2);
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this.game.ctx.fillRect(width + pxsize, height + 3 * pxsize, pxsize, pxsize * 2);
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this.game.ctx.fillRect(width, height + 5 * pxsize, pxsize, pxsize * 2);
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this.game.ctx.fillRect(width + 6 * pxsize, height + 4 * pxsize, pxsize * 4, pxsize);
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this.game.ctx.fillRect(width + 6 * pxsize, height + 7 * pxsize, pxsize * 4, pxsize);
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this.game.ctx.setTransform(1, 0, 0, 1, 0, 0);
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}
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break;
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case tiles.BODY:
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if (!pxsize) {
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this.game.ctx.fillStyle = "#0d5317";
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this.game.ctx.fillRect(...canvasPos, ...size);
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} else {
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this.rotate(canvasPos, size);
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this.game.ctx.fillStyle = "#FF4294";
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this.game.ctx.fillRect(width, height, 12*pxsize, 12*pxsize);
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this.game.ctx.fillStyle = "#000000";
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this.game.ctx.fillRect(width, height, pxsize*12, pxsize);
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this.game.ctx.fillRect(width, height+11*pxsize, pxsize*12, pxsize);
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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]])
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this.game.ctx.fillRect(width+i*pxsize, height+j*pxsize, pxsize, pxsize*2);
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this.game.ctx.setTransform(1, 0, 0, 1, 0, 0);
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}
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break;
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case tiles.TAIL:
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if (!pxsize) {
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this.game.ctx.fillStyle = "#efff00";
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this.game.ctx.fillRect(...canvasPos, ...size);
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} else {
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this.rotate(canvasPos, size);
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this.game.ctx.fillStyle = "#FF4294";
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this.game.ctx.fillRect(width, height+pxsize, pxsize, 10*pxsize);
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this.game.ctx.fillRect(width+pxsize, height+2*pxsize, pxsize, 8*pxsize);
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this.game.ctx.fillRect(width+2*pxsize, height+3*pxsize, 2*pxsize, 6*pxsize);
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this.game.ctx.fillRect(width+4*pxsize, height+4*pxsize, 3*pxsize, 4*pxsize);
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this.game.ctx.fillRect(width+7*pxsize, height+5*pxsize, 4*pxsize, 2*pxsize);
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this.game.ctx.fillStyle = "#000000";
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this.game.ctx.fillRect(width, height, pxsize, pxsize);
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this.game.ctx.fillRect(width, height+11*pxsize, pxsize, pxsize);
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this.game.ctx.fillRect(width+pxsize, height+pxsize, pxsize, pxsize);
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this.game.ctx.fillRect(width+pxsize, height+10*pxsize, pxsize, pxsize);
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this.game.ctx.fillRect(width+2*pxsize, height+2*pxsize, 2*pxsize, pxsize);
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this.game.ctx.fillRect(width+2*pxsize, height+9*pxsize, 2*pxsize, pxsize);
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this.game.ctx.fillRect(width+4*pxsize, height+3*pxsize, 3*pxsize, pxsize);
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this.game.ctx.fillRect(width+4*pxsize, height+8*pxsize, 3*pxsize, pxsize);
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this.game.ctx.fillRect(width+7*pxsize, height+4*pxsize, 4*pxsize, pxsize);
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this.game.ctx.fillRect(width+7*pxsize, height+7*pxsize, 4*pxsize, pxsize);
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this.game.ctx.fillRect(width+11*pxsize, height+5*pxsize, pxsize, 2*pxsize);
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this.game.ctx.fillRect(width+5*pxsize, height+5*pxsize, pxsize, 2*pxsize);
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this.game.ctx.fillRect(width, height+4*pxsize, pxsize, 4*pxsize);
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this.game.ctx.fillRect(width+pxsize, height+3*pxsize, pxsize, pxsize);
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this.game.ctx.fillRect(width+pxsize, height+8*pxsize, pxsize, pxsize);
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this.game.ctx.fillRect(width+4*pxsize, height+4*pxsize, pxsize, pxsize);
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this.game.ctx.fillRect(width+4*pxsize, height+7*pxsize, pxsize, pxsize);
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this.game.ctx.setTransform(1, 0, 0, 1, 0, 0);
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}
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break;
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}
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this.game.ctx.stroke();
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}
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getDirection() {
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const np = this.game.snake.body[this.game.snake.body.findIndex(([x,y]) => x === this.x && y === this.y)-1];
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const d = [this.x, this.y].map((n, i) => -(n - np[i]));
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return Object.values(directions).find(([x, y]) => d[0] === x && d[1] === y);
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}
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rotate(canvasPos, size) {
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const cx = canvasPos[0] + 0.5 * size[0];
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const cy = canvasPos[1] + 0.5 * size[1];
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this.game.ctx.translate(cx, cy);
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switch (this.type === tiles.HEAD? this.game.lastDirection : this.getDirection()) {
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case directions.UP:
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this.game.ctx.rotate(Math.PI / 2);
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break;
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case directions.DOWN:
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this.game.ctx.rotate(-Math.PI / 2);
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break;
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case directions.RIGHT:
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this.game.ctx.rotate(-Math.PI);
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break;
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case directions.LEFT:
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break;
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}
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this.game.ctx.translate(-cx, -cy);
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}
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/**
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* Get the tile position on the canvas
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* @returns {[int, int]}
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@ -135,5 +249,7 @@ export class InvalidTileOption extends Error {
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export const tiles = {
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EMPTY: "empty",
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APPLE: "apple",
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SNAKE: "snake"
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HEAD: "head",
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BODY: "body",
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TAIL: "tail"
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};
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