Modification scroll, fonctions en const

feat:
+ vitesse scroll et scroll et clic droit indépendantes

refactor:

+ ajout de const sur certaines fonctions

enginecustom/object.cpp

@@ -42,27 +42,27 @@ void Object::SetWorldMatrix(XMMATRIX worldMatrix)
 	m_worldMatrix = worldMatrix;
 }
 
-XMMATRIX Object::GetScaleMatrix()
+XMMATRIX Object::GetScaleMatrix() const
 {
 	return m_scaleMatrix;
 }
 
-XMMATRIX Object::GetRotateMatrix()
+XMMATRIX Object::GetRotateMatrix() const
 {
 	return m_rotateMatrix;
 }
 
-XMMATRIX Object::GetTranslateMatrix()
+XMMATRIX Object::GetTranslateMatrix() const
 {
 	return m_translateMatrix;
 }
 
-XMMATRIX Object::GetSRMatrix()
+XMMATRIX Object::GetSRMatrix() const
 {
 	return m_srMatrix;
 }
 
-XMMATRIX Object::GetWorldMatrix()
+XMMATRIX Object::GetWorldMatrix() const
 {
 	return m_worldMatrix;
 }
@@ -172,7 +172,7 @@ void Object::SetVelocity(XMVECTOR velocity)
 	m_velocity = velocity;
 }
 
-XMVECTOR Object::GetVelocity()
+XMVECTOR Object::GetVelocity() const
 {
 	return m_velocity;
 }
@@ -182,7 +182,7 @@ void Object::SetAcceleration(XMVECTOR acceleration)
 	m_acceleration = acceleration;
 }
 
-XMVECTOR Object::GetAcceleration()
+XMVECTOR Object::GetAcceleration() const
 {
 	return m_acceleration;
 }
@@ -192,7 +192,7 @@ void Object::SetMass(float mass)
 	m_mass = mass;
 }
 
-float Object::GetMass()
+float Object::GetMass() const
 {
 	return m_mass;
 }