Starting to work on motion through acceleration

src/engine/map/mod.rs

@@ -6,7 +6,10 @@ use sfml::graphics::{
 
 use engine::texture::Texture;
 use engine::renderer::Drawable;
-use engine::math::Matrix;
+use engine::math::{
+    Matrix,
+    clamp,
+};
 
 /// This enum represents if the collision happens on the X axis or the Y axis.
 #[derive(Copy, Clone)]
@@ -506,13 +509,4 @@ pub fn overlap(box1: FloatRect, box2: FloatRect) -> bool {
     box2.top  + box2.height > box1.top
 }
 
-/// Clamp a number between two boundaries.
-pub fn clamp(number: f32, min: f32, max: f32) -> f32 {
-    if number < min {
-        min
-    } else if number > max {
-        max
-    } else {
-        number
-    }
-}
+