Game Development and Simulation with Unreal Technology

Materials in Unreal Engine 265

Object Bounds: This expression outputs the size of the o bject in each axis.

Example Usa ge: You can u se the X, Y, an d Z values of this expression as the R,

G, and B c olors of an object to change its color based on its size and shape.

Reflection Vector: This expression outputs a three-channel vector value represent-

ing the direction of the reflec tion with respect to the surface.

Example Usa ge: Much like Camera Vector, the Reflection Vector is often

used to fake environment maps by connec ting the Camera Vector to a

Component Mask a nd use the x and y channels of the Reflection Vect or

as texture coordinates.

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