diff options
| author | Steve <steveb9@u.washington.edu> | 2011-03-15 22:16:17 +0000 |
|---|---|---|
| committer | Steve <steveb9@u.washington.edu> | 2011-03-15 22:16:17 +0000 |
| commit | ce4cfb6670eaba20e27f8c5f499980be59bf0853 (patch) | |
| tree | 217d1c4290ccbd55d2741b79f6b7b7d728089809 /src/tesseract/objects/blimp/BlimpFin.java | |
| parent | e6538f3f532fdcd35d0c97c2bc45caa1c7af0f35 (diff) | |
Added blimp model
Remove gravity for the blimp in World line 224
Diffstat (limited to 'src/tesseract/objects/blimp/BlimpFin.java')
| -rw-r--r-- | src/tesseract/objects/blimp/BlimpFin.java | 111 |
1 files changed, 111 insertions, 0 deletions
diff --git a/src/tesseract/objects/blimp/BlimpFin.java b/src/tesseract/objects/blimp/BlimpFin.java new file mode 100644 index 0000000..f5883cd --- /dev/null +++ b/src/tesseract/objects/blimp/BlimpFin.java @@ -0,0 +1,111 @@ +package tesseract.objects.blimp;
+
+/*
+ * Class PlanarPolygon
+ * TCSS 491 Computational Worlds
+ * Steve Bradshaw
+ */
+
+
+import javax.media.j3d.Appearance;
+import javax.media.j3d.Geometry;
+import javax.media.j3d.ImageComponent2D;
+import javax.media.j3d.Material;
+import javax.media.j3d.Node;
+import javax.media.j3d.PolygonAttributes;
+import javax.media.j3d.Shape3D;
+import javax.media.j3d.Texture;
+import javax.media.j3d.Texture2D;
+import javax.media.j3d.Transform3D;
+import javax.media.j3d.TransformGroup;
+import javax.media.j3d.TriangleFanArray;
+import javax.vecmath.Color3f;
+import javax.vecmath.Point3f;
+import javax.vecmath.TexCoord2f;
+import javax.vecmath.Vector3f;
+
+import tesseract.objects.PhysicalObject;
+
+import com.sun.j3d.utils.geometry.GeometryInfo;
+import com.sun.j3d.utils.geometry.NormalGenerator;
+import com.sun.j3d.utils.image.TextureLoader;
+
+/**
+ * This class creates an planar polygon using Mathew Aldens design
+ * of a circle, but this adds lava texture and lower divisions
+ *
+ * @author Steve Bradshaw & Mathew Alden
+ * @version 8 Feb 2011
+ */
+public class BlimpFin extends PhysicalObject {
+
+ /**
+ * Number of divisions in the sphere.
+ */
+ public static final int DEFAULT_DIVISIONS = 4;
+
+ /**
+ * The appearance of this fin
+ */
+ private Appearance my_appearance;
+
+ /**
+ * Create a new Ellipsoid.
+ *
+ * @param position Initial position.
+ * @param mass Initial mass.
+ * @param radius the radius of the base sphere.
+ * @param divisions an in for the shape divisions.
+ */
+ public BlimpFin( final float mass, final Vector3f position,
+ final float radius, final Appearance appearance) {
+ super(position, mass);
+
+ my_appearance = appearance;
+
+ setShape(createShape(radius, DEFAULT_DIVISIONS));
+
+ if (inverseMass != 0) {
+ inverseInertiaTensor.m00 = 1f / 4 / inverseMass * radius * radius;
+ inverseInertiaTensor.m11 = 2 * inverseInertiaTensor.m00;
+ inverseInertiaTensor.m22 = inverseInertiaTensor.m00;
+ inverseInertiaTensor.invert();
+ }
+ updateTransformGroup();
+ }
+
+ /**
+ * This method creates a planar polygon shape with lava texture.
+ *
+ * @param radius a float for the size of the base polygon.
+ * @param divisions an int for the number of divisons.
+ * @param appearance an Appearance object.
+ * @return Node a polygon.
+ */
+ private Node createShape(final float radius, final int divisions) {
+ TriangleFanArray geometry = new TriangleFanArray(divisions,
+ TriangleFanArray.COORDINATES | TriangleFanArray.TEXTURE_COORDINATE_2, new int[] {divisions});
+ for (int i = 0; i < divisions; i++) {
+ float baseX = (float)Math.cos(2 * Math.PI * i / divisions);
+ float baseZ = -(float)Math.sin(2 * Math.PI * i / divisions);
+ geometry.setCoordinate(i, new Point3f(radius * baseX, 0, radius * baseZ));
+ geometry.setTextureCoordinate(0, i, new TexCoord2f((baseX + 1) / 2, (-baseZ + 1) / 2));
+ }
+
+ GeometryInfo gInfo = new GeometryInfo(geometry);
+ new NormalGenerator().generateNormals(gInfo);
+ gInfo.convertToIndexedTriangles();
+ Shape3D fin = new Shape3D(gInfo.getGeometryArray());
+
+ PolygonAttributes polyAttr = new PolygonAttributes(PolygonAttributes.POLYGON_FILL, PolygonAttributes.CULL_NONE, 0);
+ my_appearance.setPolygonAttributes(polyAttr);
+ geometry.setCapability(Geometry.ALLOW_INTERSECT);
+ fin = new Shape3D(geometry, my_appearance);
+ Transform3D rotate = new Transform3D();
+ rotate.rotY(Math.PI / 4);
+ TransformGroup tg = new TransformGroup(rotate);
+ tg.addChild(fin);
+ return tg;
+ }
+}
+
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