【GAMEMAKER】 moon lander

Information about object: obj_ship

Sprite: spr_ship
Solid: false
Visible: true
Depth: 0
Persistent: false
Parent:
Children:
Mask:

No Physics Object

Step Event:

execute code:

//Set no keypress
ship_is_h="";
ship_is_v="";
//keyboard input
if (keyboard_check(vk_left))  {ship_is_h="left";} 
if (keyboard_check(vk_right))  {ship_is_h="right";} 
if (keyboard_check(vk_up))  {ship_is_v="up";} 

//move in direction
if ship_is_h=="right" hspeed+=0.16;
if ship_is_h=="left"  hspeed-=0.16;
//friction
hspeed=hspeed*0.99;
if abs(hspeed)<0.05 hspeed=0;
//up and down movement
dist=obj_platform.y-y;
if obj_platform.y<y ship_is_v="up";
if ship_is_v=="up" vspeed-=0.16;
//gravity
vspeed+=0.02;
//check if on platform and moving slowly
if position_meeting(x,y,obj_platform) && abs(vspeed)<1 and abs(hspeed)<1
{
    show_message("Landed");
    game_restart();
}