Added illegal argument exception for null

Author: ArtifactForms

src/main/java/mesh/modifier/TranslateModifier.java

@@ -5,55 +5,60 @@
 
 public class TranslateModifier implements IMeshModifier {
 
-    private float deltaX;
+	private float deltaX;
 
-    private float deltaY;
+	private float deltaY;
 
-    private float deltaZ;
+	private float deltaZ;
 
-    public TranslateModifier() {
-        this(0, 0, 0);
-    }
+	public TranslateModifier() {
+		this(0, 0, 0);
+	}
 
-    public TranslateModifier(Vector3f delta) {
-        this(delta.getX(), delta.getY(), delta.getZ());
-    }
+	public TranslateModifier(Vector3f delta) {
+		if (delta == null)
+			throw new IllegalArgumentException();
 
-    public TranslateModifier(float deltaX, float deltaY, float deltaZ) {
-        this.deltaX = deltaX;
-        this.deltaY = deltaY;
-        this.deltaZ = deltaZ;
-    }
+		deltaX = delta.getX();
+		deltaY = delta.getY();
+		deltaZ = delta.getZ();
+	}
 
-    @Override
-    public Mesh3D modify(Mesh3D mesh) {
-        for (Vector3f v : mesh.vertices)
-            v.addLocal(deltaX, deltaY, deltaZ);
-        return mesh;
-    }
+	public TranslateModifier(float deltaX, float deltaY, float deltaZ) {
+		this.deltaX = deltaX;
+		this.deltaY = deltaY;
+		this.deltaZ = deltaZ;
+	}
 
-    public float getDeltaX() {
-        return deltaX;
-    }
+	@Override
+	public Mesh3D modify(Mesh3D mesh) {
+		for (Vector3f v : mesh.vertices)
+			v.addLocal(deltaX, deltaY, deltaZ);
+		return mesh;
+	}
 
-    public void setDeltaX(float deltaX) {
-        this.deltaX = deltaX;
-    }
+	public float getDeltaX() {
+		return deltaX;
+	}
 
-    public float getDeltaY() {
-        return deltaY;
-    }
+	public void setDeltaX(float deltaX) {
+		this.deltaX = deltaX;
+	}
 
-    public void setDeltaY(float deltaY) {
-        this.deltaY = deltaY;
-    }
+	public float getDeltaY() {
+		return deltaY;
+	}
 
-    public float getDeltaZ() {
-        return deltaZ;
-    }
+	public void setDeltaY(float deltaY) {
+		this.deltaY = deltaY;
+	}
 
-    public void setDeltaZ(float deltaZ) {
-        this.deltaZ = deltaZ;
-    }
+	public float getDeltaZ() {
+		return deltaZ;
+	}
+
+	public void setDeltaZ(float deltaZ) {
+		this.deltaZ = deltaZ;
+	}
 
 }