From 2b42ea0a429c722bd7c5c67d3815c2ddc8399e78 Mon Sep 17 00:00:00 2001 From: MW Date: Wed, 25 Jul 2007 18:19:38 +0000 Subject: Start of the OpenSim library , for now only contains a few textures. --- .../libTerrainBSD/Channel/Generators/Spiral.cs | 310 ++++++++++----------- 1 file changed, 155 insertions(+), 155 deletions(-) (limited to 'OpenSim/Region/Terrain.BasicTerrain/libTerrainBSD/Channel/Generators/Spiral.cs') diff --git a/OpenSim/Region/Terrain.BasicTerrain/libTerrainBSD/Channel/Generators/Spiral.cs b/OpenSim/Region/Terrain.BasicTerrain/libTerrainBSD/Channel/Generators/Spiral.cs index 80abfe5..59d877a 100644 --- a/OpenSim/Region/Terrain.BasicTerrain/libTerrainBSD/Channel/Generators/Spiral.cs +++ b/OpenSim/Region/Terrain.BasicTerrain/libTerrainBSD/Channel/Generators/Spiral.cs @@ -1,156 +1,156 @@ -/* -* Copyright (c) Contributors, http://www.openmetaverse.org/ -* See CONTRIBUTORS.TXT for a full list of copyright holders. -* -* Redistribution and use in source and binary forms, with or without -* modification, are permitted provided that the following conditions are met: -* * Redistributions of source code must retain the above copyright -* notice, this list of conditions and the following disclaimer. -* * Redistributions in binary form must reproduce the above copyright -* notice, this list of conditions and the following disclaimer in the -* documentation and/or other materials provided with the distribution. -* * Neither the name of the OpenSim Project nor the -* names of its contributors may be used to endorse or promote products -* derived from this software without specific prior written permission. -* -* THIS SOFTWARE IS PROVIDED BY THE DEVELOPERS ``AS IS AND ANY -* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED -* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE -* DISCLAIMED. IN NO EVENT SHALL THE CONTRIBUTORS BE LIABLE FOR ANY -* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES -* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; -* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND -* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT -* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS -* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. -* -*/ - -using System; -using System.Collections.Generic; -using System.Text; - -namespace libTerrain -{ - partial class Channel - { - private double[] CoordinatesToPolar(int x, int y) - { - double theta = Math.Atan2(x - (w / 2), y - (h / 2)); - double rx = (double)x - ((double)w / 2); - double ry = (double)y - ((double)h / 2); - double r = Math.Sqrt((rx * rx) + (ry * ry)); - - double[] coords = new double[2]; - coords[0] = r; - coords[1] = theta; - return coords; - } - - public int[] PolarToCoordinates(double r, double theta) { - double nx; - double ny; - - nx = (double)r * Math.Cos(theta); - ny = (double)r * Math.Sin(theta); - - nx += w / 2; - ny += h / 2; - - if (nx >= w) - nx = w - 1; - - if (ny >= h) - ny = h - 1; - - if (nx < 0) - nx = 0; - - if (ny < 0) - ny = 0; - - int[] coords = new int[2]; - coords[0] = (int)nx; - coords[1] = (int)ny; - return coords; - } - - public void Polar() - { - SetDiff(); - - Channel n = this.Copy(); - - int x, y; - for (x = 0; x < w; x++) - { - for (y = 0; y < h; y++) - { - double[] coords = CoordinatesToPolar(x,y); - - coords[0] += w / 2.0; - coords[1] += h / 2.0; - - map[x, y] = n.map[(int)coords[0] % n.w, (int)coords[1] % n.h]; - } - } - } - - public void SpiralPlanter(int steps, double incAngle, double incRadius, double offsetRadius, double offsetAngle) - { - SetDiff(); - - int i; - double r = offsetRadius; - double theta = offsetAngle; - for (i = 0; i < steps; i++) - { - r += incRadius; - theta += incAngle; - - int[] coords = PolarToCoordinates(r,theta); - Raise(coords[0], coords[1], 20, 1); - } - } - - public void SpiralCells(int steps, double incAngle, double incRadius, double offsetRadius, double offsetAngle, double[] c) - { - SetDiff(); - - List points = new List(); - - int i; - double r = offsetRadius; - double theta = offsetAngle; - for (i = 0; i < steps; i++) - { - r += incRadius; - theta += incAngle; - - int[] coords = PolarToCoordinates(r, theta); - points.Add(new Point2D(coords[0],coords[1])); - } - - VoronoiDiagram(points, c); - } - - public void Spiral(double wid, double hig, double offset) - { - SetDiff(); - - int x, y, z; - z = 0; - for (x = 0; x < w; x++) - { - for (y = 0; y < h; y++) - { - z++; - double dx = Math.Abs((w / 2) - x); - double dy = Math.Abs((h / 2) - y); - map[x, y] += Math.Sin(dx / wid) + Math.Cos(dy / hig); - } - } - Normalise(); - } - } +/* +* Copyright (c) Contributors, http://www.openmetaverse.org/ +* See CONTRIBUTORS.TXT for a full list of copyright holders. +* +* Redistribution and use in source and binary forms, with or without +* modification, are permitted provided that the following conditions are met: +* * Redistributions of source code must retain the above copyright +* notice, this list of conditions and the following disclaimer. +* * Redistributions in binary form must reproduce the above copyright +* notice, this list of conditions and the following disclaimer in the +* documentation and/or other materials provided with the distribution. +* * Neither the name of the OpenSim Project nor the +* names of its contributors may be used to endorse or promote products +* derived from this software without specific prior written permission. +* +* THIS SOFTWARE IS PROVIDED BY THE DEVELOPERS ``AS IS AND ANY +* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED +* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE +* DISCLAIMED. IN NO EVENT SHALL THE CONTRIBUTORS BE LIABLE FOR ANY +* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES +* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; +* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND +* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS +* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. +* +*/ + +using System; +using System.Collections.Generic; +using System.Text; + +namespace libTerrain +{ + partial class Channel + { + private double[] CoordinatesToPolar(int x, int y) + { + double theta = Math.Atan2(x - (w / 2), y - (h / 2)); + double rx = (double)x - ((double)w / 2); + double ry = (double)y - ((double)h / 2); + double r = Math.Sqrt((rx * rx) + (ry * ry)); + + double[] coords = new double[2]; + coords[0] = r; + coords[1] = theta; + return coords; + } + + public int[] PolarToCoordinates(double r, double theta) { + double nx; + double ny; + + nx = (double)r * Math.Cos(theta); + ny = (double)r * Math.Sin(theta); + + nx += w / 2; + ny += h / 2; + + if (nx >= w) + nx = w - 1; + + if (ny >= h) + ny = h - 1; + + if (nx < 0) + nx = 0; + + if (ny < 0) + ny = 0; + + int[] coords = new int[2]; + coords[0] = (int)nx; + coords[1] = (int)ny; + return coords; + } + + public void Polar() + { + SetDiff(); + + Channel n = this.Copy(); + + int x, y; + for (x = 0; x < w; x++) + { + for (y = 0; y < h; y++) + { + double[] coords = CoordinatesToPolar(x,y); + + coords[0] += w / 2.0; + coords[1] += h / 2.0; + + map[x, y] = n.map[(int)coords[0] % n.w, (int)coords[1] % n.h]; + } + } + } + + public void SpiralPlanter(int steps, double incAngle, double incRadius, double offsetRadius, double offsetAngle) + { + SetDiff(); + + int i; + double r = offsetRadius; + double theta = offsetAngle; + for (i = 0; i < steps; i++) + { + r += incRadius; + theta += incAngle; + + int[] coords = PolarToCoordinates(r,theta); + Raise(coords[0], coords[1], 20, 1); + } + } + + public void SpiralCells(int steps, double incAngle, double incRadius, double offsetRadius, double offsetAngle, double[] c) + { + SetDiff(); + + List points = new List(); + + int i; + double r = offsetRadius; + double theta = offsetAngle; + for (i = 0; i < steps; i++) + { + r += incRadius; + theta += incAngle; + + int[] coords = PolarToCoordinates(r, theta); + points.Add(new Point2D(coords[0],coords[1])); + } + + VoronoiDiagram(points, c); + } + + public void Spiral(double wid, double hig, double offset) + { + SetDiff(); + + int x, y, z; + z = 0; + for (x = 0; x < w; x++) + { + for (y = 0; y < h; y++) + { + z++; + double dx = Math.Abs((w / 2) - x); + double dy = Math.Abs((h / 2) - y); + map[x, y] += Math.Sin(dx / wid) + Math.Cos(dy / hig); + } + } + Normalise(); + } + } } \ No newline at end of file -- cgit v1.1