ZeldaOoS/OoA improvement on angled movement code

SteelGolem

Jan 12th, 2017

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/// obj_link_Step
var up = keyboard_check(vk_up);
var down = keyboard_check(vk_down);
var left = keyboard_check(vk_left);
var right = keyboard_check(vk_right);
var dx = right - left;
var dy = down - up;
if (dx == 0 && dy == 0) // no dpad input
{
image_speed = 0; // not moving, so don't animate
}
else // some dpad input
{
image_speed = 0.2; // moving, so animate
if (dx != 0 && dy != 0) // diagonal dpad input
{
// do nothing for ZeldaLA walking emulation (sweet moonwalkin' action!)
// for ZeldaOoS/OoA, if sprite_index doesn't match the direction, pick the other sprite_index
/*
if (sprite_index == spr_link_walking_up && dy == 1) sprite_index = spr_link_walking_down;
if (sprite_index == spr_link_walking_down && dy == -1) sprite_index = spr_link_walking_up;
if (sprite_index == spr_link_walking_left && dx == 1) sprite_index = spr_link_walking_right;
if (sprite_index == spr_link_walking_right && dx == -1) sprite_index = spr_link_walking_left;
*/
}
else // axis-aligned dpad input
{
if (left) sprite_index = spr_link_walking_left;
if (right) sprite_index = spr_link_walking_right;
if (up) sprite_index = spr_link_walking_up;
if (down) sprite_index = spr_link_walking_down;
}
}
var move_speed = 2.0;
x += dx * move_speed;
y += dy * move_speed;

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