222 lines
6.2 KiB
C#
222 lines
6.2 KiB
C#
/*
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Redistribution and use in source and binary forms, with or without
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modification, are permitted provided that the following conditions are
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met:
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* Redistributions of source code must retain the above copyright
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notice, this list of conditions and the following disclaimer.
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* Redistributions in binary form must reproduce the above
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copyright notice, this list of conditions and the following
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disclaimer in the documentation and/or other materials provided
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with the distribution.
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* Neither the name of libTerrain nor the names of
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its contributors may be used to endorse or promote products
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derived from this software without specific prior written
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permission.
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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using System;
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using System.Collections.Generic;
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using System.Text;
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namespace libTerrain
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{
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partial class Channel
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{
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/* Operator combination of channel datatypes */
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public static Channel operator +(Channel A, Channel B)
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{
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if (A.h != B.h)
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throw new Exception("Cannot add heightmaps, of different height.");
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if (A.w != B.w)
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throw new Exception("Cannot add heightmaps, of different width.");
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int x, y;
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for (x = 0; x < A.w; x++)
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{
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for (y = 0; y < A.h; y++)
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{
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A.map[x, y] += B.map[x, y];
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}
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}
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return A;
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}
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public static Channel operator *(Channel A, Channel B)
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{
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if (A.h != B.h)
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throw new Exception("Cannot multiply heightmaps, of different height.");
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if (A.w != B.w)
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throw new Exception("Cannot multiply heightmaps, of different width.");
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int x, y;
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for (x = 0; x < A.w; x++)
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{
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for (y = 0; y < A.h; y++)
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{
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A.map[x, y] *= B.map[x, y];
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}
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}
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return A;
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}
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public static Channel operator -(Channel A, Channel B)
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{
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if (A.h != B.h)
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throw new Exception("Cannot subtract heightmaps, of different height.");
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if (A.w != B.w)
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throw new Exception("Cannot subtract heightmaps, of different width.");
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int x, y;
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for (x = 0; x < A.w; x++)
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{
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for (y = 0; y < A.h; y++)
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{
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A.map[x, y] -= B.map[x, y];
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}
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}
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return A;
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}
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public static Channel operator /(Channel A, Channel B)
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{
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if (A.h != B.h)
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throw new Exception("Cannot divide heightmaps, of different height.");
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if (A.w != B.w)
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throw new Exception("Cannot divide heightmaps, of different width.");
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int x, y;
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for (x = 0; x < A.w; x++)
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{
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for (y = 0; y < A.h; y++)
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{
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A.map[x, y] /= B.map[x, y];
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}
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}
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return A;
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}
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public static Channel operator ^(Channel A, Channel B)
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{
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if (A.h != B.h)
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throw new Exception("Cannot divide heightmaps, of different height.");
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if (A.w != B.w)
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throw new Exception("Cannot divide heightmaps, of different width.");
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int x, y;
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for (x = 0; x < A.w; x++)
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{
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for (y = 0; y < A.h; y++)
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{
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A.map[x, y] = Math.Pow(A.map[x,y],B.map[x, y]);
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}
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}
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return A;
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}
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/* Operator combination of channel and double datatypes */
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public static Channel operator +(Channel A, double B)
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{
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int x, y;
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for (x = 0; x < A.w; x++)
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{
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for (y = 0; y < A.h; y++)
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{
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A.map[x, y] += B;
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}
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}
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return A;
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}
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public static Channel operator -(Channel A, double B)
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{
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int x, y;
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for (x = 0; x < A.w; x++)
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{
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for (y = 0; y < A.h; y++)
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{
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A.map[x, y] -= B;
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}
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}
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return A;
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}
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public static Channel operator *(Channel A, double B)
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{
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int x, y;
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for (x = 0; x < A.w; x++)
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{
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for (y = 0; y < A.h; y++)
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{
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A.map[x, y] *= B;
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}
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}
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return A;
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}
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public static Channel operator /(Channel A, double B)
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{
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int x, y;
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for (x = 0; x < A.w; x++)
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{
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for (y = 0; y < A.h; y++)
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{
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A.map[x, y] /= B;
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}
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}
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return A;
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}
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public static Channel operator ^(Channel A, double B)
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{
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int x, y;
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for (x = 0; x < A.w; x++)
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{
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for (y = 0; y < A.h; y++)
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{
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A.map[x, y] = Math.Pow(A.map[x,y],B);
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}
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}
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return A;
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}
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}
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}
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