Since you can be working on many curves at the same time within the same graph view, it is important that you learn to do the following basic tasks.
![[Note]](/images/2024.1.1_8691/?source=Help&id=note.png) | Note |
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RTPC curves can be copied from one property to another or from one object to another. For more information on copying RTPC curves, refer to Copying RTPC curves. |
In most of the graph views in Wwise, you can have several curves representing different paths or different relationships between Game Parameters and Wwise properties. When you select a curve from the curve list, it is displayed in the graph view. If the graph supports multiple curve display, such as the RTPC and Attenuation Editor graph views, you can Ctrl+click multiple curves to display all of them in the graph view simultaneously.
If you want a curve to remain displayed in the graph view without being selected, you can pin it to the graph view. When a curve is pinned, its outline remains in the graph view at all times. The curves control points, however, are not visible. A curve must be selected before its control points can be edited.
The following illustration shows the difference between selected and pinned curves in the RTPC graph view.
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If several curves are displayed in the graph view, the units along the X and Y axes may disappear. This occurs when the Game Parameter or property units for the curves are different. For example, if you display a pitch and volume curve simultaneously, the units along the Y axis will disappear because one is in cents and the other is in decibels.
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If the scaling method of the curves displayed in the graph view is different, the units along the Y axis will not be displayed. For more information about the scaling method, refer to Defining the scaling method of the graph view. |
To display curves in the graph view:
In the graph view, select a curve from the curve list.
The curve is displayed in the graph view.
To display more curves, Ctrl+click the curves in the list.
The curves are displayed in the graph view. If the curves are measured using different units, the units along X and/or Y axes will disappear.
To pin a curve to the graph view:
In the curve list, click the pin icon for the curve that you want pinned to the graph view.
The pin icon turns blue and the curve is displayed in the graph view.
When you select another curve, the outline of the pinned curve will remain displayed in the graph view until you unpin it.
To give you greater control and flexibility over the curves in your project, Wwise allows you to define the shape of each curve segment. A curve segment is any part of the curve between two control points. You can choose from a variety of curve shapes, including linear, constant, logarithmic, exponential, and s-curve.
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While the curve tools provide flexibility, they require more processing and thus increase CPU usage. |
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To specify the shape of the curve between control points:
In the graph view, right-click a segment of the curve.
A shortcut menu is displayed
From the menu, select one of the following options:
Logarithmic (Base 3)
Sine (Constant Power Fade In) - this Sine curve shape only offers a constant power crossfade when used on the 'in' part of the curve.
Logarithmic (Base 1.41)
Inverted S-Curve
Linear
Constant
S-Curve
Exponential (Base 1.41)
Sine (Constant Power Fade Out) - this Sine curve shape only offers a constant power crossfade when used on the 'out' part of the curve.
Exponential (Base 3)
The selected curve shape is applied to the segment of the curve.
Continue to apply curve shapes to the other segments of the curve, as needed.
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