X-Git-Url: https://gerrit.simantics.org/r/gitweb?a=blobdiff_plain;f=org.simantics.g3d%2Fsrc%2Forg%2Fsimantics%2Fg3d%2Fshape%2FArcCylinder.java;h=6f82e33cab924b4de7c082550970f02597ca7ee2;hb=53d55c24c779745f188bdb18d32f71d20acb61b2;hp=348fd8520cc5f27850b163454f7987eee8b60d53;hpb=a8667c284ad9c713461f452543423188db712fe3;p=simantics%2F3d.git

diff --git a/org.simantics.g3d/src/org/simantics/g3d/shape/ArcCylinder.java b/org.simantics.g3d/src/org/simantics/g3d/shape/ArcCylinder.java
index 348fd852..6f82e33c 100644
--- a/org.simantics.g3d/src/org/simantics/g3d/shape/ArcCylinder.java
+++ b/org.simantics.g3d/src/org/simantics/g3d/shape/ArcCylinder.java
@@ -97,6 +97,56 @@ public class ArcCylinder {
 		return new Mesh(vertices, normals, indices);
 	}
 	
+	public Mesh create(Point3d c, Vector3d axis, Vector3d an, double R, double r, double a, int res, double res2) {
+		
+	
+		
+		int steps = 0;
+		double sa = 0.0;
+		
+		Vector3d rn = new Vector3d(axis);
+		rn.normalize();
+		Vector3d r1 = new Vector3d(an);
+		r1.normalize();
+		r1.scale(R);
+
+		
+		if ((a +0.0001) > Math.PI) {
+			steps = 1;
+		} else {
+			steps = (int)(Math.ceil(a/res2));
+			if (steps == 0)
+				steps = 1;
+			sa = a/steps;
+		}
+
+		List<Tuple3d> vertices = new ArrayList<Tuple3d>(res * (steps+1));
+		List<Tuple3d> normals = new ArrayList<Tuple3d>(res * (steps+1));
+		List<Integer> indices = new ArrayList<Integer>();
+		
+		for (int i = 0; i <= steps; i++) {
+			Vector3d p;
+			Vector3d t;
+			p = new Vector3d();
+			double ca = sa * i;
+			Quat4d q = MathTools.getQuat(new AxisAngle4d(rn, ca));
+			MathTools.rotate(q, r1, p);
+			t = new Vector3d();
+			t.cross(rn,p);
+			t.normalize();
+			p.add(c);
+				
+			
+			createCircle(vertices, normals, p, t, rn, res, r);
+		}
+		int count = steps*res*6;
+		for (int i = 0; i < count; i++) {
+			indices.add(-1);
+		}	
+		createIndices(steps, res, indices);
+		return new Mesh(vertices, normals, indices);
+	}
+	
 	private static void createCircle(List<Tuple3d> points, List<Tuple3d> normals, Tuple3d p, Vector3d t, Vector3d n, int res, double radius) {
 		n = new Vector3d(n);
 		n.scale(radius);
@@ -128,9 +178,9 @@ public class ArcCylinder {
 				int iv = c*resolution + s;
 				
 				/*
-			     iv+1 ---- iv + resolution + 1
-				      | /|
-				      |/ |
+				 iv+1 ---- iv + resolution + 1
+					  | /|
+					  |/ |
 				   iv ---- iv + resolution 
 				*/
 				if (s < resolution - 1) {