Unity 3D Game Development by Example Beginner's Guide
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Time for action - create the ball

  1. Add a built-in GameObject to the Scene.
  2. In the menu, click on GameObject.
  3. Point to Create Other.
  4. Click on Sphere.
Time for action - create the ball

What just happened that's all there is to it?

Well, yeah, actually! Unity has a number of prebuilt simple 3D models, also known as primitives, which we can use to get started. You've just created a built-in Game object with three components on it. Look at the Inspector panel to see what those components are:

  • Transform: This determines how a Game Object is positioned, rotated, and scaled (made big or small) in your Scene.
  • Mesh Filter: This component takes a mesh, which is the stuff our Game Object is made from, and runs it through the Mesh Renderer.
  • Sphere Collider: This is a sphere-shaped boundary on our Game Object that helps Unity figure out when instances of Game Object touch or overlap.
  • Mesh Renderer: This component enables the player to see our meshes. Without it, meshes don't get drawn or rendered to the screen.

We'll get a better understanding of what exactly a Mesh is when we add the Paddle to the Scene a few steps from now.

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