X-Git-Url: https://git.gag.com/?a=blobdiff_plain;f=src%2Fnet%2Fsf%2Fopenrocket%2Frocketcomponent%2FRingComponent.java;h=3d67940b6728650c99580d78af786ee142c47343;hb=0d0afe488300aca47d09ac7651f8185190afb21f;hp=7c8523b0063688a27a820f77edc03664f8b95bf1;hpb=720d4935bc6bec453e6478ad5227356c626610a2;p=debian%2Fopenrocket

diff --git a/src/net/sf/openrocket/rocketcomponent/RingComponent.java b/src/net/sf/openrocket/rocketcomponent/RingComponent.java
index 7c8523b0..3d67940b 100644
--- a/src/net/sf/openrocket/rocketcomponent/RingComponent.java
+++ b/src/net/sf/openrocket/rocketcomponent/RingComponent.java
@@ -132,6 +132,27 @@ public abstract class RingComponent extends StructuralComponent {
 		fireComponentChangeEvent(ComponentChangeEvent.MASS_CHANGE);
 	}
 
+	
+	public double getRadialShiftY() {
+		return shiftY;
+	}
+	
+	public double getRadialShiftZ() {
+		return shiftZ;
+	}
+	
+	public void setRadialShift(double y, double z) {
+		radialPosition = Math.hypot(y, z);
+		radialDirection = Math.atan2(z, y);
+		
+		// Re-calculate to ensure consistency 
+		shiftY = radialPosition * Math.cos(radialDirection);
+		shiftZ = radialPosition * Math.sin(radialDirection);
+		assert(MathUtil.equals(y, shiftY));
+		assert(MathUtil.equals(z, shiftZ));
+		
+		fireComponentChangeEvent(ComponentChangeEvent.MASS_CHANGE);
+	}
 
 
 	/**