From 7d4f8ec52ca92ab7508e9cc4e77a685f76b0a52f Mon Sep 17 00:00:00 2001
From: Bill Kuker <bkuker@billkuker.com>
Date: Tue, 23 Jun 2009 18:19:18 +0000
Subject: [PATCH] Added finocyl grain option

---
 .../rocketry/motorsim/grain/Finocyl.java      | 131 ++++++++++++++++++
 1 file changed, 131 insertions(+)
 create mode 100644 src/com/billkuker/rocketry/motorsim/grain/Finocyl.java

diff --git a/src/com/billkuker/rocketry/motorsim/grain/Finocyl.java b/src/com/billkuker/rocketry/motorsim/grain/Finocyl.java
new file mode 100644
index 0000000..b2295c7
--- /dev/null
+++ b/src/com/billkuker/rocketry/motorsim/grain/Finocyl.java
@@ -0,0 +1,131 @@
+package com.billkuker.rocketry.motorsim.grain;
+
+import java.awt.Shape;
+import java.awt.geom.AffineTransform;
+import java.awt.geom.Ellipse2D;
+import java.awt.geom.Rectangle2D;
+import java.beans.PropertyVetoException;
+
+import javax.measure.quantity.Length;
+import javax.measure.unit.SI;
+
+import org.jscience.physics.amount.Amount;
+
+import com.billkuker.rocketry.motorsim.grain.util.BurningShape;
+import com.billkuker.rocketry.motorsim.grain.util.ExtrudedShapeGrain;
+import com.billkuker.rocketry.motorsim.visual.Editor;
+import com.billkuker.rocketry.motorsim.visual.GrainPanel;
+
+public class Finocyl extends ExtrudedShapeGrain {
+	private Amount<Length> oD = Amount.valueOf(30, SI.MILLIMETER);
+	private Amount<Length> iD = Amount.valueOf(10, SI.MILLIMETER);
+	private Amount<Length> finWidth = Amount.valueOf(2, SI.MILLIMETER);
+	private Amount<Length> finDiameter = Amount.valueOf(20, SI.MILLIMETER);
+	private int finCount = 5;
+	
+	public Finocyl(){
+		try {
+			setLength(Amount.valueOf(70, SI.MILLIMETER));
+		} catch (PropertyVetoException e) {
+			e.printStackTrace();
+		}
+		generateGeometry();
+	}
+	
+	private void generateGeometry(){
+		double odmm = oD.doubleValue(SI.MILLIMETER);
+		double idmm = iD.doubleValue(SI.MILLIMETER);
+		double fwmm = finWidth.doubleValue(SI.MILLIMETER);
+		double fdmm = finDiameter.doubleValue(SI.MILLIMETER);
+		
+		xsection = new BurningShape();
+		Shape outside = new Ellipse2D.Double(-odmm/2, -odmm/2, odmm, odmm);
+		xsection.add(outside);
+		xsection.inhibit(outside);
+		xsection.subtract(new Ellipse2D.Double(-idmm/2, -idmm/2, idmm, idmm));
+		webThickness = null;
+		
+		for ( int i = 0; i < finCount; i++ ){
+			Shape fin = new Rectangle2D.Double(-fwmm/2,0,fwmm,fdmm/2);
+			xsection.subtract(fin, AffineTransform.getRotateInstance(i*(2.0*Math.PI/finCount)));
+		}
+	}
+	
+	public Amount<Length> getOD() {
+		return oD;
+	}
+
+	public void setOD(Amount<Length> od) throws PropertyVetoException {
+		if (od.equals(this.oD))
+			return;
+		fireVetoableChange("od", this.oD, od);
+		Amount<Length> old = this.oD;
+		this.oD = od;
+		generateGeometry();
+		firePropertyChange("OD", old, oD);
+	}
+
+	public Amount<Length> getID() {
+		return iD;
+	}
+
+	public void setID(Amount<Length> id) throws PropertyVetoException {
+		if (id.equals(this.iD))
+			return;
+		fireVetoableChange("id", this.iD, id);
+		Amount<Length> old = this.iD;
+		iD = id;
+		generateGeometry();
+		firePropertyChange("ID", old, iD);
+	}
+	
+	public Amount<Length> getFinWidth() {
+		return finWidth;
+	}
+
+	public void setFinWidth(Amount<Length> finWidth) throws PropertyVetoException {
+		if (finWidth.equals(this.finWidth))
+			return;
+		fireVetoableChange("finWidth", this.finWidth, finWidth);
+		Amount<Length> old = this.finWidth;
+		this.finWidth = finWidth;
+		generateGeometry();
+		firePropertyChange("finWidth", old, finWidth);
+	}
+	
+	
+	public Amount<Length> getFinDiameter() {
+		return finDiameter;
+	}
+
+	public void setFinDiameter(Amount<Length> finDiameter) throws PropertyVetoException {
+		if (finDiameter.equals(this.finDiameter))
+			return;
+		fireVetoableChange("finDiameter", this.finDiameter, finDiameter);
+		Amount<Length> old = this.finDiameter;
+		this.finDiameter = finDiameter;
+		generateGeometry();
+		firePropertyChange("finDiameter", old, finDiameter);
+	}
+	
+	
+	public int getFinCount() {
+		return finCount;
+	}
+
+	public void setFinCount(int finCount) throws PropertyVetoException {
+		if (finCount==this.finCount)
+			return;
+		fireVetoableChange("finCount", this.finCount, finCount);
+		int old = this.finCount;
+		this.finCount = finCount;
+		generateGeometry();
+		firePropertyChange("finCount", old, finCount);
+	}
+	
+	public static void main(String args[]) throws Exception {
+		Finocyl e = new Finocyl();
+		new Editor(e).showAsWindow();
+		new GrainPanel(e).showAsWindow();
+	}
+}
-- 
2.30.2