Method update

packages/melonjs/src/camera/camera2d.ts:657–689

@ignore

(dt?: number)

	/** @ignore */
	override update(dt?: number): boolean {
		// update the camera position
		this.updateTarget(dt);

		// update all active camera effects
		if (this.cameraEffects.length > 0) {
			for (const fx of this.cameraEffects) {
				fx.update(dt ?? 0);
			}
			// remove completed effects
			for (let i = this.cameraEffects.length - 1; i >= 0; i--) {
				if (this.cameraEffects[i].isComplete) {
					this.cameraEffects[i].destroy();
					this.cameraEffects.splice(i, 1);
				}
			}
			this.isDirty = true;
		}

		if (this.isDirty) {
			//publish the corresponding message
			emit(VIEWPORT_ONCHANGE, this.pos);
		}

		if (!this.currentTransform.isIdentity()) {
			this.invCurrentTransform.copy(this.currentTransform).invert();
		} else {
			// reset to default
			this.invCurrentTransform.identity();
		}

		return super.update(dt ?? 0);
	}

	/**
	 * shake the camera