LoadModel
Check your repo for the LoadModel program. Complete the TODOs and checkin
your code. This project is quite challenging! Get started early!
This project uses several new commands.
It uses vertices and vertex elements to construct triangles. The OpenGL commands are:
glDrawElements- This requires an ELEMENT_BUFFER object
The code also uses multiple vertex array objects (VAO). Review the code in RenderEngine.setupBuffers() and the corresponding code in RenderEngine.display().
For this project, you will use an OBJ model loader. The loader should read files into its internal data stuctures. You will need to put that data into the model structure in the project. The API for the OJB loader is here.
Rubric
| Position attribute | 0 : No positions | 1 : Load OBJ position |
| Element data | 0 : No elements | 1 : Load OBJ vertex indices |
| Color attribute | 0 : No colors | 1 : Load OBJ diffuse color |
| Triangle normal data | 0 : No triangle normals | 1 : Compute from OBJ face |
| Vertex normal value | 0 : Incorrect value | 2 : Set from connected faces |
| Vertex normal value | 0 : Incorrect value | 1 : Unit length |
| Vertex normal value | 0 : Missing value | 1 : Set for each vertex |
| Normal attribute | 0 : No normals | 1 : Set and uploaded to GPU |
| Display scaled normals | 0 : No normals displayed | 1 : Scaled to range [-1,1] |
Final scaled normals:
Unscaled for reference:
