Collision Code

var hsp_final = hsp + hsp_carry;
hsp_carry = 0;

var vsp_final = vsp + vsp_carry;
vsp_carry = 0;


scrCollide(round(hsp_final), round(vsp_final), par_wall); //First bit is argument0, second is 1 and par_wall is argument2
x = round(x); y = round(y);

///scrCollide
//This script calculates the exact position of the player in the world and is designed to be used with moving platforms.
{
 //argument0 - x displacement
 //argument1 - y displacement
 //argument2 - wall parent

 var i,move_check; //Defines Variables

 for (i = abs(argument0)/* hsp_final */; i > 0; /*As soon as i is greater or less than 0, it will stop looping*/ i -= 1)
 {
  if (i < 0) {i = 0;}
  move_check = sign(argument0)*i; //Returns if the number is positive, negative or 0, then multiplies that by 1, seeing if the movement is left or right

  if !(place_meeting(x+move_check,y,argument2))//If not moving into par_wall in either direction
  {
    if instance_exists(obj_rock_crush){
        if !(place_meeting(x+move_check,y,obj_rock_crush)){
        x += move_check; //Then move
        break;
   }
  }
 }
      /*If I haven't hit an obstacle, then it must be safe to move this distance, so I'll move, and then stop the loop because I don't need to check any more'.*/
}

 for (i = abs(argument1); i > 0; i -= 1)
 {

  if (i < 0) {i = 0;}
  move_check = sign(argument1)*i; //Returns if the number is positive, negative or 0

  if !(place_meeting(x,y+move_check,argument2))
  {
   y += move_check; //The same as above only for verticle movement
   break;
  }

  if !(place_meeting(x-i,y+move_check,argument2)) //If moving upwards, both pieces of code checks to see if par_wall is anywhere diagnolly to the left or right of you
   x -= i/2;

  if !(place_meeting(x+i,y+move_check,argument2)) //If there isn't anything to the left orright, then the player scootches a bit to the left or right i/2
   x += i/2; //In other words, most of the time, your player is constantly scooching left and right. But because the two cancel each other out, the combined motion is always zero.
  //If there IS something to the left of you, your player won't scooch in that direction - which means the overall amount of scooching will be to the right.
 }
}