dispmap.cpp
上传用户:center1979
上传日期:2022-07-26
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文件大小:1k
- // dispmap.cpp
- //
- // Copyright (C) 2001, Chris Laurel <claurel@shatters.net>
- //
- // This program is free software; you can redistribute it and/or
- // modify it under the terms of the GNU General Public License
- // as published by the Free Software Foundation; either version 2
- // of the License, or (at your option) any later version.
- #include "dispmap.h"
- DisplacementMap::DisplacementMap(int w, int h) :
- width(w), height(h), disp(NULL)
- {
- disp = new float[width * height];
- }
- DisplacementMap::~DisplacementMap()
- {
- if (disp != NULL)
- delete[] disp;
- }
- void DisplacementMap::clear()
- {
- int size = width * height;
- for (int i = 0; i < size; i++)
- disp[i] = 0.0f;
- }
- void DisplacementMap::generate(DisplacementMapFunc func, void* info)
- {
- for (int i = 0; i < height; i++)
- {
- for (int j = 0; j < width; j++)
- {
- disp[i * width + j] = func((float) j / (float) width,
- (float) i / (float) height, info);
- }
- }
- }