Method updateBounds

packages/spine-plugin/src/Spine.js:321–364

* Update the bounding box for this spine object. * (this will automatically update the bounds of the entire skeleton animation) * @param {boolean} [absolute=true] - update the bounds size and position in (world) absolute coordinates * @returns {Bounds} this shape bounding box Rectangle object

(absolute = true)

	 * @returns {Bounds} this shape bounding box Rectangle object
	 */
	updateBounds(absolute = true) {
		if (this.isRenderable) {
			const bounds = this.getBounds();
			const isIdentity =
				this.autoTransform === true && this.currentTransform.isIdentity();

			bounds.clear();

			if (typeof this.skeleton !== "undefined") {
				this.skeleton.getBounds(this.boneOffset, this.boneSize, tempArray);

				// getBounds returns world-space coords; convert back to local
				// space by subtracting the skeleton position we set in update().
				const minX = this.boneOffset.x - this.skeleton.x;
				const minY = this.boneOffset.y - this.skeleton.y;

				bounds.addFrame(
					minX,
					minY,
					minX + this.boneSize.x,
					minY + this.boneSize.y,
					!isIdentity ? this.currentTransform : undefined,
				);
			} else {
				bounds.addFrame(
					0,
					0,
					this.width,
					this.height,
					!isIdentity ? this.currentTransform : undefined,
				);
			}

			if (absolute === true) {
				const absPos = this.getAbsolutePosition();
				bounds.centerOn(absPos.x + bounds.centerX, absPos.y + bounds.centerY);
			}
			return bounds;
		} else {
			// manage the case where updateBounds is called
			// before the object being yet properly initialized
			return super.updateBounds(absolute);
		}
	}

	/**
	 * Update function (automatically called by melonJS).