From ee8d055be8326eb1561900bcca6acd9e38071f4a Mon Sep 17 00:00:00 2001
From: tom barrett <spalf0@gmail.com>
Date: Thu, 27 Jun 2019 03:31:33 -0500
Subject: tiles can now animate

---
 src/tile.rs | 18 ++++++++++++++++--
 1 file changed, 16 insertions(+), 2 deletions(-)

(limited to 'src/tile.rs')

diff --git a/src/tile.rs b/src/tile.rs
index dc9987c..198be10 100644
--- a/src/tile.rs
+++ b/src/tile.rs
@@ -1,5 +1,6 @@
 use ggez::graphics::{spritebatch::SpriteBatch, DrawParam, Rect};
 use ggez::nalgebra::{Point2, Vector2};
+use std::time::Instant;
 
 use crate::constants;
 use crate::math::convert_angle_to_rad;
@@ -7,7 +8,8 @@ use crate::tileset::Tileset;
 
 pub struct Tile {
     source: Rect,
-    //animation: Option<Vec<(u32, Rect)>>,
+    animations: Option<Vec<(usize, Rect)>>,
+    timer: Instant,
     destination: Point2<f32>,
     rotation: f32,
 }
@@ -49,7 +51,8 @@ impl Tile {
 
         Tile {
             source,
-            //animation: None,
+            animations: tileset.get_animations(id),
+            timer: Instant::now(),
             destination,
             rotation,
         }
@@ -62,6 +65,17 @@ impl Tile {
         r
     }
 
+    pub fn update(&mut self) {
+        if let Some(animations) = &self.animations {
+            let mut i = animations.iter().position(|a| a.1 == self.source).unwrap();
+            if self.timer.elapsed().as_millis() > animations[i].0 as u128 {
+                i = if i == animations.len() - 1 { 0 } else { i + 1 };
+                self.source = animations[i].1;
+                self.timer = Instant::now()
+            }
+        }
+    }
+
     pub fn draw(&self, spritebatch: &mut SpriteBatch) {
         let draw_param = DrawParam::default()
             .src(self.source)
-- 
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