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Blender 3D Basics Beginner's Guide Second Edition by Gordon Fisher

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Time for action – using Custom Curve to tailor light

Custom Curve allows you to tailor the falloff exactly according to your needs, as explained in the following steps:

  1. In the Lamp subpanel, click on the button beneath Falloff; next, click on the button labeled Inverse Square, and select Custom Curve from the menu.
  2. Set Distance to 47, located in the button below Custom Curve.
  3. Scroll down to the Falloff Curve subpanel. Click on the triangle to the left of the Falloff curve to open the subpanel.
  4. Note that there are three vertical grid lines and three horizontal grid lines. The line that goes diagonally from upper left to lower right is a Bézier curve. When you click on that line, a control point is put there, and you can move that control point to change ...

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