From cf27eb36d595b562a589593f2eb7f35b7a42ac23 Mon Sep 17 00:00:00 2001
From: Rasmus Christian Pedersen <zerhacken@yahoo.com>
Date: Wed, 7 May 2014 13:13:45 +0200
Subject: [PATCH] camera: minor constness

This commit fixes constness of camera getters, and changes a few
arguments into const references.
---
 renderdoc/maths/camera.cpp | 12 ++++++------
 renderdoc/maths/camera.h   | 14 +++++++-------
 2 files changed, 13 insertions(+), 13 deletions(-)

diff --git a/renderdoc/maths/camera.cpp b/renderdoc/maths/camera.cpp
index 47658908f..57db27b71 100644
--- a/renderdoc/maths/camera.cpp
+++ b/renderdoc/maths/camera.cpp
@@ -29,7 +29,7 @@
 #include "camera.h"
 #include "matrix.h"
 
-void Camera::Arcball(float dist, Vec3f rot)
+void Camera::Arcball(float dist, const Vec3f &rot)
 {
 	pos = Vec3f(0.0f, 0.0f, dist);
 
@@ -39,7 +39,7 @@ void Camera::Arcball(float dist, Vec3f rot)
 	angles.y = rot.y;
 }
 
-void Camera::fpsLook(Vec3f p, Vec3f rot)
+void Camera::fpsLook(const Vec3f &p, const Vec3f &rot)
 {
 	pos = -p;
 	
@@ -49,7 +49,7 @@ void Camera::fpsLook(Vec3f p, Vec3f rot)
 	order = ORDER_TRANS_ROT;
 }
 
-const Matrix4f Camera::GetMatrix()
+const Matrix4f Camera::GetMatrix() const
 {
 	Matrix4f p = Matrix4f::Translation(pos);
 	Matrix4f r = Matrix4f::RotationXYZ(angles);
@@ -60,17 +60,17 @@ const Matrix4f Camera::GetMatrix()
 	return p.Mul(r);
 }
 
-const Vec3f Camera::GetPosition()
+const Vec3f Camera::GetPosition() const
 {
 	return GetMatrix().GetPosition();
 }
 
-const Vec3f Camera::GetForward()
+const Vec3f Camera::GetForward() const
 {
 	return Matrix4f::RotationZYX(-angles).GetForward();
 }
 
-const Vec3f Camera::GetRight()
+const Vec3f Camera::GetRight() const
 {
 	return Matrix4f::RotationZYX(-angles).GetRight();
 }
diff --git a/renderdoc/maths/camera.h b/renderdoc/maths/camera.h
index 3186c8cbe..c139eb1a9 100644
--- a/renderdoc/maths/camera.h
+++ b/renderdoc/maths/camera.h
@@ -36,17 +36,17 @@ class Camera
 			: order(ORDER_TRANS_ROT), pos(), angles()
 		{ }
 
-		void Arcball(float dist, Vec3f rot);
-		void fpsLook(Vec3f pos, Vec3f rot);
+		void Arcball(float dist, const Vec3f &rot);
+		void fpsLook(const Vec3f &pos, const Vec3f &rot);
 
 		void SetPosition(const Vec3f &p) { pos = p; }
 		void SetAngles(const Vec3f &r) { angles = r; }
 		
-		const Vec3f GetPosition();
-		const Vec3f GetForward();
-		const Vec3f GetRight();
-		const Vec3f GetUp();
-		const Matrix4f GetMatrix();
+		const Vec3f GetPosition() const;
+		const Vec3f GetForward() const;
+		const Vec3f GetRight() const;
+		const Vec3f GetUp() const;
+		const Matrix4f GetMatrix() const;
 
 	private:
 		enum OperationOrder