1 files changed, 48 insertions, 1 deletions

diff --git a/src/entity.rs b/src/entity.rs
index 8086b77..ae3a236 100644
--- a/src/entity.rs
+++ b/src/entity.rs
@@ -1,6 +1,8 @@
 use ggez::graphics::spritebatch::SpriteBatch;
 use ggez::nalgebra::Point2;
 
+use crate::constants;
+
 pub trait Operable {
     fn update(&mut self);
     fn draw(&self, spritebatch: &mut SpriteBatch);
@@ -23,9 +25,54 @@ impl Entity {
             map_dimensions,
         }
     }
+
+    pub fn update(&mut self) {
+        self.move_position();
+    }
+
+    fn move_position(&mut self) {
+        match self.action {
+            Action::MovingUp => self.position.y -= constants::PLAYER_SPEED,
+            Action::MovingUpLeft => {
+                self.position.x -= constants::PLAYER_SPEED / 2.0_f32.sqrt();
+                self.position.y -= constants::PLAYER_SPEED / 2.0_f32.sqrt();
+            }
+            Action::MovingUpRight => {
+                self.position.x += constants::PLAYER_SPEED / 2.0_f32.sqrt();
+                self.position.y -= constants::PLAYER_SPEED / 2.0_f32.sqrt();
+            }
+            Action::MovingLeft => self.position.x -= constants::PLAYER_SPEED,
+            Action::MovingDown => self.position.y += constants::PLAYER_SPEED,
+            Action::MovingDownLeft => {
+                self.position.x -= constants::PLAYER_SPEED / 2.0_f32.sqrt();
+                self.position.y += constants::PLAYER_SPEED / 2.0_f32.sqrt();
+            }
+            Action::MovingDownRight => {
+                self.position.x += constants::PLAYER_SPEED / 2.0_f32.sqrt();
+                self.position.y += constants::PLAYER_SPEED / 2.0_f32.sqrt();
+            }
+            Action::MovingRight => self.position.x += constants::PLAYER_SPEED,
+            Action::IdleLeft | Action::IdleRight => (),
+        }
+
+        let pixel_width = constants::TILE_WIDTH * constants::TILE_SCALE;
+        let pixel_height = constants::TILE_HEIGHT * constants::TILE_SCALE;
+
+        if self.position.x < 0.0 {
+            self.position.x = 0.0;
+        } else if self.position.x + pixel_height > self.map_dimensions.0 {
+            self.position.x = self.map_dimensions.0 - pixel_width;
+        }
+
+        if self.position.y < 0.0 {
+            self.position.y = 0.0;
+        } else if self.position.y + pixel_height > self.map_dimensions.1 {
+            self.position.y = self.map_dimensions.1 - pixel_height;
+        }
+    }
 }
 
-#[derive(Clone, Hash, Eq, PartialEq)]
+#[derive(Clone, Hash, Eq, PartialEq, Debug)]
 pub enum Action {
     IdleLeft,
     IdleRight,