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@@ -320,9 +320,11 @@ get_normal(int x, int y) {
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// Function: GeoMipTerrain::make_slope_image
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// Function: GeoMipTerrain::make_slope_image
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// Access: Published
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// Access: Published
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// Description: Returns a new grayscale image containing the slope
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// Description: Returns a new grayscale image containing the slope
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-// angles. A pixel value of 1.0 will mean 90 degrees,
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-// meaning, horizontal, a pixel value of 0.0 will
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-// mean 0 degrees, or entirely vertical.
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+// angles. A white pixel value means a vertical slope,
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+// while a black pixel will mean that the terrain is
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+// entirely flat at that pixel.
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+// You can translate it to degrees by mapping the
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+// greyscale values from 0 to 90 degrees.
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// The resulting image will have the same size as the
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// The resulting image will have the same size as the
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// heightfield image.
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// heightfield image.
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// The scale will be taken into respect -- meaning,
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// The scale will be taken into respect -- meaning,
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