With drag-and-drop: choose draw>Other>Create Effect action.
In a piece of code:
effect_create_below(effect_name,x_coord,y_coord,size,color_name);
- to create above: use effect_create_above(...);
- effect_name - one of the effect constants:
- ef_
- explosion
- spark
- etc. (see Create Effect action)
- ef_
- size - 0=small, 1=medium, 2=large
- colour - one of the color constants (e.g. c_gray)