Cleanup: Grey --> Gray

doc/python_api/rst/bge.texture.rst

@@ -681,7 +681,7 @@ Image classes
 
    .. attribute:: zbuff
 
-      Use depth component of render as grey scale color -  suitable for texture source.
+      Use depth component of render as grayscale color - suitable for texture source.
 
       :type: bool
 
@@ -817,7 +817,7 @@ Image classes
 
    .. attribute:: zbuff
 
-      Use depth component of viewport as grey scale color - suitable for texture source.
+      Use depth component of viewport as grayscale color - suitable for texture source.
 
       :type: bool
 
@@ -1260,8 +1260,8 @@ Filter classes
 
 .. class:: FilterGray
 
-   Filter for gray scale effect.
-   Proportions of R, G and B contributions in the output gray scale are 28:151:77.
+   Filter for grayscale effect.
+   Proportions of R, G and B contributions in the output grayscale are 28:151:77.
 
    .. attribute:: previous
 

intern/cycles/util/util_math.h

@@ -1329,7 +1329,7 @@ ccl_device_inline float3 safe_divide_even_color(float3 a, float3 b)
 	y = (b.y != 0.0f)? a.y/b.y: 0.0f;
 	z = (b.z != 0.0f)? a.z/b.z: 0.0f;
 
-	/* try to get grey even if b is zero */
+	/* try to get gray even if b is zero */
 	if(b.x == 0.0f) {
 		if(b.y == 0.0f) {
 			x = z;

release/scripts/freestyle/modules/freestyle/shaders.py

@@ -568,7 +568,7 @@ class pyRandomColorShader(StrokeShader):
 
 class py2DCurvatureColorShader(StrokeShader):
     """
-    Assigns a color (greyscale) to the stroke based on the curvature.
+    Assigns a color (grayscale) to the stroke based on the curvature.
     A higher curvature will yield a brighter color.
     """
     def shade(self, stroke):
@@ -584,7 +584,7 @@ class py2DCurvatureColorShader(StrokeShader):
 
 class pyTimeColorShader(StrokeShader):
     """
-    Assigns a greyscale value that increases for every vertex.
+    Assigns a grayscale value that increases for every vertex.
     The brightness will increase along the stroke.
     """
     def __init__(self, step=0.01):

source/gameengine/VideoTexture/FilterColor.cpp

@@ -68,7 +68,7 @@ PyTypeObject FilterGrayType =
 	0,                         /*tp_setattro*/
 	0,                         /*tp_as_buffer*/
 	Py_TPFLAGS_DEFAULT,        /*tp_flags*/
-	"Filter for gray scale effect",       /* tp_doc */
+	"Filter for grayscale effect",       /* tp_doc */
 	0,		               /* tp_traverse */
 	0,		               /* tp_clear */
 	0,		               /* tp_richcompare */

source/gameengine/VideoTexture/FilterColor.h

@@ -36,7 +36,7 @@
 #include "FilterBase.h"
 
 
-/// pixel filter for gray scale
+/// pixel filter for grayscale
 class FilterGray : public FilterBase
 {
 public:
@@ -53,7 +53,7 @@ protected:
 		// calculate gray value
 		unsigned int gray = (28 * (VT_B(val)) + 151 * (VT_G(val))
 			+ 77 * (VT_R(val))) >> 8;
-		// return gray scale value
+		// return grayscale value
 		VT_R(val) = gray;
 		VT_G(val) = gray;
 		VT_B(val) = gray;