//script_jump()
argument0 = 4
argument1 = 270
argument2 = 0.6
argument3 = 12

if vspeed>argument3 vspeed=argument3
if place_free(x,y+1)
{
gravity_direction=argument1;
gravity=argument2
}
else
{
gravity_direction=argument1;
gravity=0
}
if keyboard_check(vk_up)if not place_free(x,y+1) motion_set(270,-10)
if keyboard_check(vk_left)if place_free(x-argument0,y) x-=argument0
if keyboard_check(vk_right)if place_free(x+argument0,y) x+=argument0

//with collisions
move_contact_solid(direction,12)
vspeed=0