
7. Scale Bezier Circle in Edit Mode
- 3D View menu >> Mode Box >> Edit Mode
- 3D View menu >> Select >> (De)select All
- 3D View menu >> Curve >> Transform >> Scale >> Move mouse
Note:
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As always, scale game objects in edit mode
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1 Blender Unit = 1 meter
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For this tutorial, I'm scaling the Bezier Circle by 9

8. Create an outline of the width of your race track
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Bezier Circle >> Object Mode
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Add Plane
3D View menu >> Add >> Mesh >> Plane
Plane >> Edit mode >> Select 2 vertices.
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Delete two vertices, leaving 1 edge.
X key >> Vertices
Note:
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This tutorial uses the simplest possible shape (a line) for the road
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The same steps apply for any shape. (Tunnel, road with a center line, etc,)
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1 Blender Unit = 1 meter

9. Center the object center between the two remaining vertices
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Plane (2D outline) selected. Object mode
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3D View menu >> Object >> Transform >> Geometry to Origin