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Close| inDirection | The direction vector towards the surface. |
| inNormal | The normal vector that defines the surface. |
Reflects a vector off the surface defined by a normal.
This method calculates a reflected vector using the following formula: v = inDirection - 2 * inNormal * dot(inDirection inNormal). The inNormal vector defines a surface. A surface's normal is the vector that is perpendicular to
its surface. The inDirection vector is treated as a directional arrow coming into the surface.
The returned value is a vector of equal magnitude to inDirection but with its direction reflected.