Our thumbnail grid has 15 images. If your phone has more than 15 photos, you'll need to scroll through the list. For this project, we'll implement a simple mechanic to scroll the list up and down, using triangular scroll buttons.
Creating the Triangle component
RenderObjects in our
Triangle component defines coordinates, normals, indices, and other data that describes a triangle. We create a constructor method that allocates buffers. Like the
Plane component, we want to use the
BorderMaterial class so that it can be highlighted when selected. And like the
Plane component, it will determine when the user is looking at it. Without further ado, here's the code.
Create a new Java class file,
Triangle.java, in ...