Minor cleanup and optimization of Sketch

oscargus · oscargus · commit b1fdf6af8acd · 2023-01-13T00:28:55.000+01:00
diff --git a/src/path_converters.h b/src/path_converters.h
@@ -1037,18 +1037,19 @@ class Sketch
             // We want the "cursor" along the sine wave to move at a
             // random rate.
             double d_rand = m_rand.get_double();
-            double d_M_PI = 3.14159265358979323846;
             m_p += pow(m_randomness, d_rand * 2.0 - 1.0);
-            double r = sin(m_p / (m_length / (d_M_PI * 2.0))) * m_scale;
             double den = m_last_x - *x;
             double num = m_last_y - *y;
             double len = num * num + den * den;
             m_last_x = *x;
             m_last_y = *y;
             if (len != 0) {
+                const double d_M_PI = 3.14159265358979323846;
                 len = sqrt(len);
-                *x += r * num / len;
-                *y += r * -den / len;
+                double r = sin(m_p * 2.0 * d_M_PI / m_length) * m_scale;
+                double roverlen = r / len;
+                *x += roverlen * num;
+                *y += roverlen * -den;
             }
         } else {
             m_last_x = *x;
