#13 Add translate_3d and scale_3d

audulus · Sep 10, 2023 · eefdbd5 · eefdbd5
1 parent e1f4ac1
commit eefdbd5
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Showing 2 changed files with 17 additions and 0 deletions.
diff --git a/src/defs.rs b/src/defs.rs
@@ -9,6 +9,7 @@ pub struct LocalSpace {}
 pub type LocalPoint = Point2D<f32, LocalSpace>;
 pub type LocalVector = Vector2D<f32, LocalSpace>;
 pub type LocalSize = Size2D<f32, LocalSpace>;
+pub type LocalVector3D = Vector3D<f32, LocalSpace>;
 
 pub type LocalToWorld = Transform3D<f32, LocalSpace, WorldSpace>;
 pub type WorldToLocal = Transform2D<f32, WorldSpace, LocalSpace>;

diff --git a/src/lib.rs b/src/lib.rs
@@ -815,6 +815,14 @@ impl Vger {
         }
     }
 
+    /// Translates the coordinate system (3d version).
+    pub fn translate_3d<Vec: Into<LocalVector3D>>(&mut self, offset: Vec) {
+        if let Some(m) = self.tx_stack.last_mut() {
+            let off: LocalVector3D = offset.into();
+            *m = (*m).pre_translate(off);
+        }
+    }
+
     /// Scales the coordinate system.
     pub fn scale<Vec: Into<LocalVector>>(&mut self, scale: Vec) {
         if let Some(m) = self.tx_stack.last_mut() {
@@ -823,6 +831,14 @@ impl Vger {
         }
     }
 
+    /// Scales the coordinate system (3d version).
+    pub fn scale_3d<Vec: Into<LocalVector3D>>(&mut self, scale: Vec) {
+        if let Some(m) = self.tx_stack.last_mut() {
+            let s: LocalVector3D = scale.into();
+            *m = (*m).pre_scale(s.x, s.y, s.z);
+        }
+    }
+
     /// Rotates the coordinate system.
     pub fn rotate(&mut self, theta: f32) {
         if let Some(m) = self.tx_stack.last_mut() {