Question: WebGl with Typescript Using Half Edge Structure. Please consult Interactive Computer Graphics 7th Edition -Edward Angel Chapter 6: Lightning & Shading. The Geometry is as

WebGl with Typescript Using Half Edge Structure.

Please consult Interactive Computer Graphics 7th Edition -Edward Angel

Chapter 6: Lightning & Shading.

The Geometry is as follows:

Face (triangle) has a

a. Normal, it has 3 attributes (x,y,z). It's already computed and is available

b. 3 Half Edges, Each has an originating vertex(x,y,z)

c. Vertex has Position (x,y,z), 3 HalfEdges and a Normal

Vertex Normal has to computed. Please provide Type script code to compute it.

Use the threshold angle to decide which face normals need to be averaged to calculate the vertex normal.

Please provide Type script code to achieve both objectives. No javascript or java code.

Feel free to contact if there are any queries.

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