BGE: Fix for precision lost in setBackground/getBackground at Video Texture

Now internally the variables are processed as floats avoiding int->float->char conversions that are causing precision lost.

A check for int numbers is maintained to keep compatibility with old behaviour.

Reviewers: ben2610, campbellbarton, moguri, hg1

Reviewed By: moguri, hg1

Subscribers: campbellbarton

Projects: #game_engine

Differential Revision: https://developer.blender.org/D1301

1 files changed, 2 insertions, 2 deletions

diff --git a/source/gameengine/VideoTexture/ImageRender.h b/source/gameengine/VideoTexture/ImageRender.h
index bdf442c82d0..ef55e4dea84 100644
--- a/source/gameengine/VideoTexture/ImageRender.h
+++ b/source/gameengine/VideoTexture/ImageRender.h
@@ -55,9 +55,9 @@ public:
 	virtual ~ImageRender (void);
 
 	/// get background color
-	int getBackground (int idx) { return (idx < 0 || idx > 3) ? 0 : int(m_background[idx]*255.f); }
+	float getBackground (int idx);
 	/// set background color
-	void setBackground (int red, int green, int blue, int alpha);
+	void setBackground (float red, float green, float blue, float alpha);
 
 	/// clipping distance
 	float getClip (void) { return m_clip; }