Circle with ticks: Difference between revisions

Revision as of 21:55, 24 March 2014

@@ Line 10: / Line 10: @@
      var cx = circ.center.X(),
          cy = circ.center.Y(),
-         r = circle.Radius();
+         r = circle.Radius(),
+        i,
+        steps = 20,
+        alpha = 2 * Math.PI / steps;
+    this.dataX = [];
+    this.dataY = [];
+    for (i = 0; i < steps; i++) {
+        this.dataX.push( cx + 0.95 * Math.cos(i * alpha) );
+        this.dataY.push( cx + 0.95 * Math.sin(i * alpha) );
+        this.dataX.push( cx + 1.05 * Math.cos(i * alpha) );
+        this.dataY.push( cx + 1.05 * Math.sin(i * alpha) );
+    }
 };