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Modelling a space planet (with a ring) in Blender

I thought of teaching some basic modelling before we get into how we program 3D games, so you don't always have to look on Google for fancy 3D models :) - In this tutorial, we will model something that look a very little like Saturn.

1. Overview of Blender

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The version I'm using here is Blender 2.69. To the left you see all the stuff you can do to modify objects, or their mesh. A mesh is the frame of a 3D model, without textures.

2. Modelling the sphere of the planet

There are 3 default objects in Blenders default room:
- Camera
- Light
- Ugly cube
Let us delete them all by selecting all of the objects, and deleting them.
The key used to select/deselect all is <A>
The key used to delete stuff is <X>
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Our target is to make a planet. A planet is round. Therefore, add a sphere. 
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When you add a new object, the left pane makes you able to configure it. I didn't configure it for this planet, but just notice it for other projects.
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You make notice the sphere to look a little edgy. Simply click "smooth", and the sphere will be all smoothed. 
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3. Modelling the ring outside the planet

Always think what looks the most similar to the object you want to create. We want a ring outside the planet. A circle would be a good start. Shift+A to make a new object
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We now want to edit the ring, to make it thicker. The first thing we want to do is to make it a little bigger. Press S to scale it, or simply click the button in the left pane. 
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Now, we want to make it wider. To do that, we need to edit the mesh. To edit a mesh, you go to Edit Mode. When you want to edit a specific objects mesh, you always enter edit mode. Be sure to have only the circle mesh selected, and go to edit mode by either pressing the Tab key, or clicking the button at the bottom pane:
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We now want to extrude our circle inwards the planet. To do that, press E to extrude, and press S to extrude as a scale. A bit complicated, be sure to read that twice or thrice if you didn't understand it. Here's a nice illustrating screenshot:
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Now we want to make it a little bit taller. So you select the whole mesh by pressing <A>, and then extrude it again by pressing <E>. If the extrude does not align to the Z axis, press Z to do so (but expect it to be aligned already). Notice that you can also press X and Y after pressing E to align it to a specific axis. Pretty sweet function.
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Switch back to object mode, and smooth the ring. If you want, you can rotate it a bit by pressing R, but first, enter Object mode again.
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Woop Woop, you just made a planet ^_^


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2018-04-17


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  • Home
  • Tutorials
    • GameMaker >
      • Beginner >
        • Create a maze game with levels
        • Create a very simple hit-the-ball game
        • Load/save your game
        • Physics in GameMaker!
      • Intermediate >
        • Create a tower defense game!
        • Split-screen Multiplayer - GameMaker:Studio Tutorial
        • Save and Load Objects using INI files - GameMaker:Studio Tutorial
        • Smooth Camera in GameMaker Using Views
        • Multitouch on devices
    • Unity >
      • Beginner >
        • Create a marble roller game in Unity
        • Make a burning meteor using particle systems in Unity 5
      • Intermediate >
        • Using Character Controllers in Platform Games (Unity 5)
    • Miscellaneous >
      • Make your own "Twitch-Plays" stream
      • Generate a normal map from just one texture
      • Sort your messy folders
      • Modelling a planet in Blender
    • Video tutorials >
      • Make Playstation 1 games
  • Blog
  • Creations
    • Games
    • Apps
  • Contact