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Lysa.ui
0.0
Lysa 3D Engine
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Lysa.ui
0.0
Lysa 3D Engine
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A value selected by rotating a disc, with a cursor drawn inside the disc. Fires OnValueChange.
Inherits from: ValueSelect
Lua full name: lysa.ui.Knob
Public Member Functions | |
| nil | set_cursor_extent (start: number, stop: number) |
| Sets the start and the end of the inner cursor, as ratios of the radius. More... | |
| number | angle_of (value: number) |
| Returns the angle in radians the cursor points at for a value. More... | |
| lysa.float2 | point_at (angle: number, distance: number) |
| Returns the point at an angle in radians and a distance from the center. More... | |
| number | value_of_tick (index: integer) |
| Returns the value of the graduation at index in [0, divisions]. More... | |
| string | label_of_tick (index: integer) |
| Returns the label of the graduation at index in [0, divisions]. More... | |
Properties | |
| number | start_angle |
| Angle of the minimum value, in degrees counterclockwise from the horizontal axis. | |
| number | sweep_angle |
| Angle swept clockwise from the minimum to the maximum value, in degrees. | |
| integer | divisions |
| Number of intervals between the graduations drawn around the disc. | |
| boolean | ticks_visible |
| True when the graduations are drawn around the disc. | |
| boolean | labels_visible |
| True when the value of each graduation is drawn around the disc. | |
| integer | precision |
| Number of decimals of the labels, zero for integer values. | |
| number | tick_length |
| Length in virtual screen units of the graduations. | |
| number | tick_width |
| Thickness in virtual screen units of the graduations. | |
| number | tick_gap |
| Space in virtual screen units between the disc and the graduations. | |
| number | label_gap |
| Space in virtual screen units between the graduations and the labels. | |
| number | cursor_width |
| Thickness in virtual screen units of the cursor drawn inside the disc. | |
| number | cursor_start |
| Distance between the center and the start of the cursor, as a ratio of the radius. (read-only) | |
| number | cursor_end |
| Distance between the center and the end of the cursor, as a ratio of the radius. (read-only) | |
| lysa.float2 | center |
| Center of the disc in widget coordinates. (read-only) | |
| number | radius |
| Radius of the disc in virtual screen units, reduced to keep the graduations and the labels inside the widget. (read-only) | |
| number | ticks_radius |
| Distance between the center and the start of the graduations. (read-only) | |
| number | labels_radius |
| Distance between the center and the center of the labels. (read-only) | |
| number | label_height |
| Height of a label in virtual screen units, zero when the labels are hidden. (read-only) | |
| number | max_label_width |
| Width of the widest label in virtual screen units, zero when the labels are hidden. (read-only) | |
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Sets the start and the end of the inner cursor, as ratios of the radius.
| start | number |
| stop | number |
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Returns the angle in radians the cursor points at for a value.
| value | number |
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Returns the point at an angle in radians and a distance from the center.
| angle | number |
| distance | number |
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Returns the value of the graduation at index in [0, divisions].
| index | integer |
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Returns the label of the graduation at index in [0, divisions].
| index | integer |
| number start_angle |
Angle of the minimum value, in degrees counterclockwise from the horizontal axis.
| number sweep_angle |
Angle swept clockwise from the minimum to the maximum value, in degrees.
| integer divisions |
Number of intervals between the graduations drawn around the disc.
| boolean ticks_visible |
True when the graduations are drawn around the disc.
| boolean labels_visible |
True when the value of each graduation is drawn around the disc.
| integer precision |
Number of decimals of the labels, zero for integer values.
| number tick_length |
Length in virtual screen units of the graduations.
| number tick_width |
Thickness in virtual screen units of the graduations.
| number tick_gap |
Space in virtual screen units between the disc and the graduations.
| number label_gap |
Space in virtual screen units between the graduations and the labels.
| number cursor_width |
Thickness in virtual screen units of the cursor drawn inside the disc.
| number cursor_start |
Distance between the center and the start of the cursor, as a ratio of the radius. (read-only)
| number cursor_end |
Distance between the center and the end of the cursor, as a ratio of the radius. (read-only)
| lysa.float2 center |
Center of the disc in widget coordinates. (read-only)
| number radius |
Radius of the disc in virtual screen units, reduced to keep the graduations and the labels inside the widget. (read-only)
| number ticks_radius |
Distance between the center and the start of the graduations. (read-only)
| number labels_radius |
Distance between the center and the center of the labels. (read-only)
| number label_height |
Height of a label in virtual screen units, zero when the labels are hidden. (read-only)
| number max_label_width |
Width of the widest label in virtual screen units, zero when the labels are hidden. (read-only)