Question: 3. (5 pts.) Normals Why should normals be calculated when the lighting is concerned? What lighting situation does require the normal? Calculate the normal to

 3. (5 pts.) Normals Why should normals be calculated when the

3. (5 pts.) Normals Why should normals be calculated when the lighting is concerned? What lighting situation does require the normal? Calculate the normal to the triangle with three given 3D vertices: (1,0,0), (0,1,0), (0,0,1). Express it as a vector n-(m, ny, n) . Hint: No formula needed in this case! a) b)

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