https://tympanus.net/codrops/2026/08/25/building-a-mouse-following-square-lens-effect-with-three-js-and-glsl/
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https://tympanus.net/codrops/2026/08/25/building-a-mouse-following-square-lens-effect-with-three-js-and-glsl/

CodropsBuilding a Mouse-Following Square Lens Effect with Three.js and GLSL | CodropsA step-by-step tutorial on using Three.js and GLSL to create a mouse-following square lens effect with image distortion, RGB shifting, and animated shader effects.