/* * 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 { /// /// Raises land around the selection /// /// The center the X coordinate of where you wish to raise the land /// The center the Y coordinate of where you wish to raise the land /// The radius of the dimple /// How much impact to add to the terrain (0..2 usually) public void raise(double rx, double ry, double size, double amount) { raiseSphere(rx, ry, size, amount); } /// /// Raises land in a sphere around the selection /// /// The center the X coordinate of where you wish to raise the land /// The center the Y coordinate of where you wish to raise the land /// The radius of the sphere dimple /// How much impact to add to the terrain (0..2 usually) public void raiseSphere(double rx, double ry, double size, double amount) { int x, y; for (x = 0; x < w; x++) { for (y = 0; y < h; y++) { double z = size; z *= z; z -= ((x - rx) * (x - rx)) + ((y - ry) * (y - ry)); if (z < 0) z = 0; map[x, y] += z * amount; } } } /// /// Raises land in a cone around the selection /// /// The center the X coordinate of where you wish to raise the land /// The center the Y coordinate of where you wish to raise the land /// The radius of the cone /// How much impact to add to the terrain (0..2 usually) public void raiseCone(double rx, double ry, double size, double amount) { int x, y; for (x = 0; x < w; x++) { for (y = 0; y < h; y++) { double z = size; z -= Math.Sqrt(((x - rx) * (x - rx)) + ((y - ry) * (y - ry))); if (z < 0) z = 0; map[x, y] += z * amount; } } } /// /// Lowers land in a sphere around the selection /// /// The center the X coordinate of where you wish to lower the land /// The center the Y coordinate of where you wish to lower the land /// The radius of the sphere dimple /// How much impact to remove from the terrain (0..2 usually) public void lower(double rx, double ry, double size, double amount) { lowerSphere(rx, ry, size, amount); } /// /// Lowers land in a sphere around the selection /// /// The center the X coordinate of where you wish to lower the land /// The center the Y coordinate of where you wish to lower the land /// The radius of the sphere dimple /// How much impact to remove from the terrain (0..2 usually) public void lowerSphere(double rx, double ry, double size, double amount) { int x, y; for (x = 0; x < w; x++) { for (y = 0; y < h; y++) { double z = size; z *= z; z -= ((x - rx) * (x - rx)) + ((y - ry) * (y - ry)); if (z < 0) z = 0; map[x, y] -= z * amount; } } } } }