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Refactoring.
[sixth-3d.git]
/
src
/
main
/
java
/
eu
/
svjatoslav
/
sixth
/
e3d
/
geometry
/
Point3D.java
diff --git
a/src/main/java/eu/svjatoslav/sixth/e3d/geometry/Point3D.java
b/src/main/java/eu/svjatoslav/sixth/e3d/geometry/Point3D.java
index
aff475e
..
462f310
100755
(executable)
--- a/
src/main/java/eu/svjatoslav/sixth/e3d/geometry/Point3D.java
+++ b/
src/main/java/eu/svjatoslav/sixth/e3d/geometry/Point3D.java
@@
-1,21
+1,24
@@
/*
/*
- * Sixth - System for data storage, computation, exploration and interaction.
- * Copyright ©2012-2016, Svjatoslav Agejenko, svjatoslav@svjatoslav.eu
- *
+ * Sixth 3D engine. Copyright ©2012-2018, Svjatoslav Agejenko, svjatoslav@svjatoslav.eu
+ *
* This program is free software; you can redistribute it and/or
* modify it under the terms of version 3 of the GNU Lesser General Public License
* or later as published by the Free Software Foundation.
* This program is free software; you can redistribute it and/or
* modify it under the terms of version 3 of the GNU Lesser General Public License
* or later as published by the Free Software Foundation.
+ *
*/
package eu.svjatoslav.sixth.e3d.geometry;
*/
package eu.svjatoslav.sixth.e3d.geometry;
+import static java.lang.Math.cos;
+import static java.lang.Math.sin;
+import static java.lang.Math.sqrt;
+
/**
/**
- * Used to represent point in a 3D space
, vector or speed
.
+ * Used to represent point in a 3D space
or vector
.
*/
public class Point3D extends Point2D implements Cloneable {
*/
public class Point3D extends Point2D implements Cloneable {
- public static final Point3D ZERO = new Point3D();
public double z;
public Point3D() {
public double z;
public Point3D() {
@@
-70,6
+73,11
@@
public class Point3D extends Point2D implements Cloneable {
return this;
}
return this;
}
+ @Override
+ public boolean isZero(){
+ return (x == 0) && (y == 0) && (z == 0);
+ }
+
public double getAngleXZ(final Point3D anotherPoint) {
return Math.atan2(x - anotherPoint.x, z - anotherPoint.z);
}
public double getAngleXZ(final Point3D anotherPoint) {
return Math.atan2(x - anotherPoint.x, z - anotherPoint.z);
}
@@
-86,8
+94,12
@@
public class Point3D extends Point2D implements Cloneable {
final double yDelta = y - anotherPoint.y;
final double zDelta = z - anotherPoint.z;
final double yDelta = y - anotherPoint.y;
final double zDelta = z - anotherPoint.z;
- return Math
- .sqrt(((xDelta * xDelta) + (yDelta * yDelta) + (zDelta * zDelta)));
+ return sqrt(((xDelta * xDelta) + (yDelta * yDelta) + (zDelta * zDelta)));
+ }
+
+ @Override
+ public double getVectorLength() {
+ return sqrt(((x * x) + (y * y) + (z * z)));
}
@Override
}
@Override
@@
-100,11
+112,11
@@
public class Point3D extends Point2D implements Cloneable {
public void rotate(final Point3D center, final double angleXZ,
final double angleYZ) {
public void rotate(final Point3D center, final double angleXZ,
final double angleYZ) {
- final double s1 =
Math.
sin(angleXZ);
- final double c1 =
Math.
cos(angleXZ);
+ final double s1 = sin(angleXZ);
+ final double c1 = cos(angleXZ);
- final double s2 =
Math.
sin(angleYZ);
- final double c2 =
Math.
cos(angleYZ);
+ final double s2 = sin(angleYZ);
+ final double c2 = cos(angleYZ);
x -= center.x;
y -= center.y;
x -= center.x;
y -= center.y;
@@
-174,7
+186,7
@@
public class Point3D extends Point2D implements Cloneable {
return this;
}
return this;
}
- public boolean
withinDrawingLimits
() {
+ public boolean
isVisible
() {
if (z > 0)
return true;
if (z > 0)
return true;