空间电流特效

franniss

先创建一个脚本叫做 electricity_draw ，脚本内容见代码行。

然后在 draw 里写：
electricity_draw( x1,y1,x2,y2,8,pr_linestrip,merge_color(c_blue,c_white,.2+random(.3)),c_blue,20,7,0.1 )

1. /* Draws a lightning effect from x1,y1 to x2,y2 (good for electric generators)
2. arg0=x1
3. arg1=y1
4. arg2=x2
5. arg3=y2
6. arg4=quality
7. arg5=primitive
8. arg6=electricity-color
9. arg7=glow-color
10. arg8=glow radius
11. arg9=shakyness
12. arg10=alpha of glow
13. */
15. draw_set_blend_mode(bm_add)
17. draw_primitive_begin(argument5)
18. draw_set_color(argument6)
19. draw_vertex(argument0,argument1)
20. for(i=argument4;i<point_distance(argument0,argument1,argument2,argument3);i+=argument4)
21. {
22. draw_set_alpha(1)
23. draw_vertex(argument0+(cos(degtorad(point_direction(argument0,argument1,argument2,argument3)))*i)+cos(degtorad(random(360)))*random(argument9),argument1-(sin(degtorad(point_direction(argument0,argument1,argument2,argument3)))*i)-sin(degtorad(random(360)))*random(argument9))
25. draw_set_alpha(argument10)
26. draw_circle_color(argument0+(cos(degtorad(point_direction(argument0,argument1,argument2,argument3)))*i)+cos(degtorad(random(360)))*random(argument9*0.5),argument1-(sin(degtorad(point_direction(argument0,argument1,argument2,argument3)))*i)-sin(degtorad(random(360)))*random(argument9*0.5),argument8,argument7,c_black,0)
27. }
28. draw_vertex(argument2,argument3)
29. draw_primitive_end()
31. draw_set_blend_mode(bm_normal)

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