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tools:s-tk:eval-node
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| tools:s-tk:eval-node [2019/07/30 16:18] – [World Coordinates] lightwolf | tools:s-tk:eval-node [2019/08/08 15:54] (current) – lightwolf | ||
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| ====== Spline Evaluation (Node) ====== | ====== Spline Evaluation (Node) ====== | ||
| - | {{ : | + | {{ : |
| This node can evaluate [[primitive]] and return the position as well as the orientation at any position along the spline. | This node can evaluate [[primitive]] and return the position as well as the orientation at any position along the spline. | ||
| Line 22: | Line 22: | ||
| * **Per Span** In this mode, every successive value of 100% corresponds to a span. For example, an open spline has five knots - which is four spans. 400% would then be the and of the spline. 250% would evaluate half way between the third and the fourth knot. | * **Per Span** In this mode, every successive value of 100% corresponds to a span. For example, an open spline has five knots - which is four spans. 400% would then be the and of the spline. 250% would evaluate half way between the third and the fourth knot. | ||
| - | ==== Use Twist ==== | ||
| - | If this option is enabled, the Twist value that can be set per knot is used. | ||
| ==== Look Ahead ==== | ==== Look Ahead ==== | ||
| Line 42: | Line 40: | ||
| Computes the point on the spline and the orientation in world as opposed to object coordinates. | Computes the point on the spline and the orientation in world as opposed to object coordinates. | ||
| ==== Pre/Post Behaviour ==== | ==== Pre/Post Behaviour ==== | ||
| + | |||
| + | Determines what happens if the displacement would evaluate before the start or beyond the end of the spline respectively. | ||
| + | |||
| + | These options are only available for open splines: | ||
| + | |||
| + | * **Hold** Holds the position at the start or the end of the spline respectively. | ||
| + | * **Loop** Loops the position on the spline. | ||
| + | * **Mirror** Mirrors the position on the spline. | ||
| ==== Position ==== | ==== Position ==== | ||
| + | |||
| + | The positions computed by the node may be modified here. | ||
| + | The input position is either the position connected to the Position input on the node or the values set in the **Position** control. | ||
| + | |||
| === X/Y/Z Mode === | === X/Y/Z Mode === | ||
| + | |||
| + | * **Replace** (default) The position value of the axis is overwritten with the value computed by the node. | ||
| + | * **Ignore** The computed position on the spline is ignored and the original value passes through. | ||
| + | * **Add** The computed value on the spline is added to the position. | ||
| + | * **Multiply** The computed value on the spline is multiplied by the position. | ||
| + | |||
| === Position === | === Position === | ||
| + | |||
| + | A position that may be modified or overridden by the spline evaluation. | ||
| ==== Rotation ==== | ==== Rotation ==== | ||
| + | The rotation computed by the node may be modified here. | ||
| + | The input rotation is either the rotation connected to the Rotation input on the node or the values set in the **Rotation** control. | ||
| + | |||
| === Heading/ | === Heading/ | ||
| - | === Rotation === | ||
| + | * **Replace** (default) The rotation value of the axis is overwritten with the value computed by the node. | ||
| + | * **Ignore** The computed rotation on the spline is ignored and the original value passes through. | ||
| + | * **Add** The computed value on the spline is added to the rotation. | ||
| + | === Rotation === | ||
| + | A rotation that may be modified or overridden by the spline evaluation. | ||
tools/s-tk/eval-node.1564496313.txt.gz · Last modified: 2019/07/30 16:18 by lightwolf
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