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書名： Unity 3D Game Development by Example Beginner's Guide
作者名： Ryan Henson Creighton
本章字數： 194字
更新時間： 2021-04-09 22:51:25

Time for action - create the ball

Add a built-in GameObject to the Scene.
In the menu, click on GameObject.
Point to Create Other.
Click on Sphere.

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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Unity 3D Game Development by Example Beginner's Guide