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Update the call signature of compute_primary_ray

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It takes the current X and Y coordinates and the height and width of the image.
This commit is contained in:
Eryn Wells 2014-07-16 23:29:54 -07:00
parent 05327fbe7a
commit 0e1106aa41
2 changed files with 8 additions and 4 deletions
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6
src/camera.cc
View file

@ -120,8 +120,10 @@ Camera::SetUp(const Vector3& up)
* the view into the scene.
*/
Ray
OrthographicCamera::compute_primary_ray(const int &x,
const int &y)
OrthographicCamera::compute_primary_ray(const int x,
const int width,
const int y,
const int height)
const
{
// Calculate the point on the image plane that the given (x,y) coordinate pair corresponds to.

6
src/camera.h
View file

@ -28,12 +28,13 @@ public:
void set_direction(const Vector3 &d);
float get_angle() const;
virtual Ray compute_primary_ray(const int &x, const int &y) const = 0;
const Vector3& GetRight() const;
void SetRight(const Vector3& right);
const Vector3& GetUp() const;
void SetUp(const Vector3& up);
virtual Ray compute_primary_ray(const int x, const int width,
const int y, const int height) const = 0;
private:
// Size of the image plane.
@ -51,7 +52,8 @@ class OrthographicCamera
: public Camera
{
public:
Ray compute_primary_ray(const int &x, const int &y) const;
Ray compute_primary_ray(const int x, const int width,
const int y, const int height) const;
};