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
 

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):