44 lines
996 B
C++
44 lines
996 B
C++
// dispmap.cpp
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//
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// Copyright (C) 2001, Chris Laurel <claurel@shatters.net>
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//
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// This program is free software; you can redistribute it and/or
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// modify it under the terms of the GNU General Public License
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// as published by the Free Software Foundation; either version 2
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// of the License, or (at your option) any later version.
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#include "dispmap.h"
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DisplacementMap::DisplacementMap(int w, int h) :
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width(w), height(h), disp(nullptr)
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{
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disp = new float[width * height];
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}
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DisplacementMap::~DisplacementMap()
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{
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delete[] disp;
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}
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void DisplacementMap::clear()
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{
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int size = width * height;
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for (int i = 0; i < size; i++)
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disp[i] = 0.0f;
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}
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void DisplacementMap::generate(DisplacementMapFunc func, void* info)
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{
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for (int i = 0; i < height; i++)
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{
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for (int j = 0; j < width; j++)
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{
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disp[i * width + j] = func((float) j / (float) width,
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(float) i / (float) height, info);
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}
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}
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}
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