1 files changed, 17 insertions, 0 deletions
diff --git a/src/core/transform.rs b/src/core/transform.rs
index f64710c..337d9b1 100644
--- a/src/core/transform.rs
+++ b/src/core/transform.rs
@@ -17,6 +17,7 @@
 use super::matrix4x4::Matrix4x4f;
 use crate::Float;
 use crate::core::Vector3f;
+use std::ops;
 
 pub struct Transform {
     m: Matrix4x4f,
@@ -56,6 +57,22 @@ impl Transform {
 
         Vector3f::new_xyz(x, y, z)
     }
+
+    pub fn inverse(&self) -> Self {
+        Transform {
+            m: self.m.inverse(),
+        }
+    }
+}
+
+impl ops::Mul for Transform {
+    type Output = Transform;
+
+    fn mul(self, op: Self) -> Self::Output {
+        Transform {
+            m: &self.m * &op.m
+        }
+    }
 }
 
 // Creation of different transformations