X-Git-Url: http://git.megacz.com/?p=anneal.git;a=blobdiff_plain;f=src%2Fedu%2Fberkeley%2Fqfat%2Fgeom%2FPoint.java;h=b98fb2d639ec2775cfd1c2cfb8fd9db840e98dd3;hp=a4bc27654b5876bb2a56cf5b74d25b9af840a1c9;hb=14f962b26092736eed3d8bcfd2d5642c4be4e133;hpb=e32bd0376c8c859f51920674c84e6599ef7aeb18

diff --git a/src/edu/berkeley/qfat/geom/Point.java b/src/edu/berkeley/qfat/geom/Point.java
index a4bc276..b98fb2d 100644
--- a/src/edu/berkeley/qfat/geom/Point.java
+++ b/src/edu/berkeley/qfat/geom/Point.java
@@ -3,13 +3,15 @@ import javax.media.opengl.*;
 import javax.media.opengl.glu.*;
 
 /** point in 3-space; immutable */
-public final class Point extends HasPoint implements HasBoundingBox {
+public final class Point implements HasBoundingBox, AffineConstraint, HasPoint {
+
+    public static final Point ZERO = new Point(0,0,0);
+
     public final float x, y, z;
+
     public Point(double x, double y, double z) { this((float)x, (float)y, (float)z); }
     public Point(float x, float y, float z) { this.x = x; this.y = y; this.z = z; }
 
-    public static final Point ORIGIN = new Point(0,0,0);
-
     public float distance(Point p) { return (float)Math.sqrt((x-p.x)*(x-p.x)+(y-p.y)*(y-p.y)+(z-p.z)*(z-p.z)); }
 
     public Vec minus(Point p) { return new Vec(x-p.x, y-p.y, z-p.z); }
@@ -31,5 +33,14 @@ public final class Point extends HasPoint implements HasBoundingBox {
     public float getMinY() { return y; }
     public float getMaxZ() { return z; }
     public float getMinZ() { return z; }
+
+    public Point getProjection(Point p) { return this; }
+    public AffineConstraint intersect(AffineConstraint c, float epsilon) {
+        if (c.getProjection(this).distance(this) <= epsilon) return this;
+        System.err.println("off by: " + c.getProjection(this).distance(this));
+        return new AffineConstraint.Nothing();
+    }
+    public AffineConstraint multiply(Matrix m) { return m.times(this); }
+
 }