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Kill modules will kill a given particle if it meets the rules defined by specific implementations.
Kill Box
The Kill Box module is used to kill particles when they move outside of a defined box. It contains the following member(s):
| Property | Description |
|---|---|
| Kill | |
| Lower Left Corner | A vector distribution defining the lower left corner of the box. |
| Upper Right Corner | A vector distribution defining the upper right corner of the box. |
| Absolute | If true, the corner settings will be considered as world-space values and remain unchanged when testing. If false, the box will be transformed to the world-space of the emitter. |
| Kill Inside | If true, particles will be killed if they fall INSIDE the box. If false (the default), they will be killed when they fall OUTSIDE the box. |
| Axis Aligned and Fixed Size | If this is true, the box will always be aligned to the axes and will be non-scalable. In effect, this causes the box to ignore emitter scale. |
If the 3D preview mode is enabled, the wire box will be drawn in the Cascade preview window.
Kill Height
The Kill Height module is used to kill particles when they move above a defined height. It contains the following member(s):
| Property | Description |
|---|---|
| Kill | |
| Height | A float distribution defining the height to kill particles at or above. |
| Absolute | If true, the value will be considered as world-space values and remain unchanged when testing. If false, the height will be transformed to the world-space of the emitter. |
| Floor | If true, particles will be killed if they fall BELOW the height value. If false (the default), they will be killed when they rise ABOVE the height value. |
| Apply PSys Scale | If set to true, the sizes specified will take the emitter's scale into account. |
If the 3D preview mode is enabled, a plane will be rendered at the height of the kill value.