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docs/lib2-px_line.md

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+# px_line
+
+Given two points. `px_line` returns points that can be used to draw a pixel-style line.
+
+**Since:** 2.0
+
+## Parameters
+
+The dir changed since 2.0. 
+
+- `p1` : The start point `[x, y]` or `[x, y, z]`.
+- `p2` : The end point `[x, y]` or `[x, y, z]`.
+
+## Examples
+
+	include <pixel/px_line.scad>;
+
+	for(pt = px_line([-10, 0], [20, 50])) {
+		translate(pt) 
+			square(1, center = true);
+	}
+
+![px_line](images/lib2-px_line-1.JPG)
+
+	include <pixel/px_line.scad>;
+
+	for(pt = px_line([-10, 0, -10], [20, 50, 10])) {
+		translate(pt) 
+			cube(1, center = true);
+	}
+
+![px_line](images/lib2-px_line-2.JPG)
+