/** Affine (non-perspective-correct) UV texture coordinate interpolator. */
export class AffineUVSampler {
	/**
	 * Interpolates UV coordinates linearly along a scanline.
	 * @param u1 U at start of scanline
	 * @param v1 V at start of scanline
	 * @param u2 U at end of scanline
	 * @param v2 V at end of scanline
	 * @param t Position along scanline in [0, 1]
	 */
	sample(
		u1: number,
		v1: number,
		u2: number,
		v2: number,
		t: number,
	): { u: number; v: number } {
		return {
			u: u1 + (u2 - u1) * t,
			v: v1 + (v2 - v1) * t,
		};
	}
}