I have an issue with my player's collision. Here's the code:
var _platform = instance_place(x,y+max(1,vsp),obj_platform);
var _platform2 = collision_line(xprevious,yprevious+sprite_height/2,x,bbox_bottom,obj_platform,0,true);
if ((_platform) && bbox_bottom <= _platform.bbox_top) ||...