tiled y sprite, sprite angel
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src/.gitignore
vendored
1
src/.gitignore
vendored
@ -1 +1,2 @@
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/fonts/monogram*
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/assets/
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@ -56,14 +56,14 @@ export class Sprite {
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this.y = y;
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this.width = null;
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this.height = null;
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this.angle = 0;
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this.src = src;
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this.loaded = false;
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this.#image = new Image();
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this.#image.onload = this.#onload();
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this.#image.src = this.src;
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this.#image.src = src;
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}
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#onload() {
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@ -82,7 +82,11 @@ export class Sprite {
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return -1;
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}
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context.drawImage(this.image(), this.x, this.y);
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context.save();
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context.translate(this.x + this.#image.width / 2, this.y + this.#image.height / 2);
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context.rotate((this.angle * Math.PI) / 180);
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context.drawImage(this.#image, -this.#image.width / 2, -this.#image.height / 2);
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context.restore();
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if (debug) {
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drawDebug(context, this.x, this.y, this.#image.width, this.#image.height);
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@ -90,6 +94,40 @@ export class Sprite {
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}
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}
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export class TiledSprite extends Sprite {
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constructor(src = null, x, y) {
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super(src, x, y);
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}
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draw(context, debug = false) {
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if (this.loaded != true) {
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return -1;
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}
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context.drawImage(this.image(), this.x, this.y);
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let copyUpByY = Math.ceil(this.y / this.image().height);
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let copyDownByY = Math.ceil(
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(context.canvas.height - this.y - this.image().height) / this.image().height
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);
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for (let i = 0; i <= copyUpByY; i++) {
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if (copyUpByY === Infinity) {
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break;
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}
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context.drawImage(this.image(), this.x, this.y - this.image().height * i);
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}
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for (let i = 0; i <= copyDownByY; i++) {
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if (copyDownByY === Infinity) {
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break;
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}
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context.drawImage(this.image(), this.x, this.y + this.image().height * i);
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}
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}
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}
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function drawDebug(context, x, y, w, h) {
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context.font = '16px Monogram';
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context.fillStyle = '#ffffff';
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