diff options
Diffstat (limited to 'src/jake2/util/Math3D.java')
| -rw-r--r-- | src/jake2/util/Math3D.java | 42 |
1 files changed, 3 insertions, 39 deletions
diff --git a/src/jake2/util/Math3D.java b/src/jake2/util/Math3D.java index e949f07..5c1f2eb 100644 --- a/src/jake2/util/Math3D.java +++ b/src/jake2/util/Math3D.java @@ -19,7 +19,7 @@ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ // Created on 09.12.2003 by RST. -// $Id: Math3D.java,v 1.5 2004-07-19 19:32:12 hzi Exp $ +// $Id: Math3D.java,v 1.6 2004-09-10 19:02:56 salomo Exp $ package jake2.util; @@ -116,18 +116,7 @@ public class Math3D extends Lib { } return length; } -// public static final float VectorNormalize2(float[] v, float[] to) { -// float length, ilength; -// -// length = VectorLength(v); -// if (length != 0.0f) { -// ilength = 1.0f / length; -// to[0] = v[0] * ilength; -// to[1] = v[1] * ilength; -// to[2] = v[2] * ilength; -// } -// return length; -// } + public static final float VectorLength(float v[]) { return (float) Math.sqrt(v[0] * v[0] + v[1] * v[1] + v[2] * v[2]); } @@ -199,13 +188,8 @@ public class Math3D extends Lib { private static float im[][] = new float[3][3]; private static float tmpmat[][] = new float[3][3]; private static float zrot[][] = new float[3][3]; + public static void RotatePointAroundVector(float[] dst, float[] dir, float[] point, float degrees) { - - //float m[][] = new float[3][3]; - //float im[][] = new float[3][3]; - //float zrot[][] = new float[3][3]; - //float tmpmat[][] = new float[3][3]; - //float rot[][] = new float[3][3]; float[] vr = { 0.0f, 0.0f, 0.0f }; float[] vup = { 0.0f, 0.0f, 0.0f }; @@ -230,8 +214,6 @@ public class Math3D extends Lib { m[1][2] = vf[1]; m[2][2] = vf[2]; - //Math3D.MatCopy(m, im); // achtung: src -> dst - im[0][0] = m[0][0]; im[0][1] = m[1][0]; im[0][2] = m[2][0]; @@ -249,8 +231,6 @@ public class Math3D extends Lib { zrot[0][0] = zrot[1][1] = (float) Math.cos(Math3D.DEG2RAD(degrees)); zrot[0][1] = (float) Math.sin(Math3D.DEG2RAD(degrees)); zrot[1][0] = -zrot[0][1]; - //zrot[1][0] = - (float) Math.sin(Math3D.DEG2RAD(degrees)); - //zrot[1][1] = (float) Math.cos(Math3D.DEG2RAD(degrees)); Math3D.R_ConcatRotations(m, zrot, tmpmat); Math3D.R_ConcatRotations(tmpmat, im, zrot); @@ -485,22 +465,6 @@ public class Math3D extends Lib { } } -// public static void MatClear(float m[][]) { -// m[0][0] = m[0][1] = m[0][2] = m[1][0] = m[1][1] = m[1][2] = m[2][0] = m[2][1] = m[2][2] = 0.0f; -// } - -// private static final void MatCopy(float src[][], float dst[][]) { -// dst[0][0]=src[0][0]; -// dst[0][1]=src[0][1]; -// dst[0][2]=src[0][2]; -// dst[1][0]=src[1][0]; -// dst[1][1]=src[1][1]; -// dst[1][2]=src[1][2]; -// dst[2][0]=src[2][0]; -// dst[2][1]=src[2][1]; -// dst[2][2]=src[2][2]; -// } - public static void G_ProjectSource(float[] point, float[] distance, float[] forward, float[] right, float[] result) { result[0] = point[0] + forward[0] * distance[0] + right[0] * distance[1]; result[1] = point[1] + forward[1] * distance[0] + right[1] * distance[1]; |