THREE.JS ensures that the face normal is perpendicular to the face and facing outward

When using THREE.JS to generate a custom geometry, I define vertices and faces. However, when creating a face without specifying the normal direction like new THREE.Face3(a,b,c), some faces end up pointing inward instead of outward. Is there a way to ensure all faces are oriented outside the geometry?

Answer №1

When designing your faces, make sure to arrange them in a counter-clockwise direction so that the normal vector points outward.

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