part_type_alpha1(ind, alpha1);
| 参数 | 描述 |
|---|---|
| ind | The index of the particle type to change. |
| alpha1 | The alpha of the particle. |
返回： N/A（无返回值）
This function is used to set a particle type to have a single
alpha value (transparency) for the total duration of the lifetime
of each individual particle, and this can be from 0 (transparent)
to 1 (opaque).
part_type_alpha1(global.Snow_Part, 0.5);
The above code will set all particles created of the particle type indexed in the global variable "Snow_Part" to have an alpha value of 0.5 (semi-transparent).