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Contents of /Plugin/Mandelbrot.cpp
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#include "StdAfx.h" |
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#include "Flactale.h" |
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////////////////////////////////////////////////////////////////////////// |
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CMandelbrot::CMandelbrot() |
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{ |
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} |
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CMandelbrot::~CMandelbrot() |
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{ |
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} |
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void CMandelbrot::Calculation(int nYPoint, LPCOLORREF lpColor) |
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{ |
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double cy, cx, zx, zy, work; |
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double dbImgMin, dbSide, dbRealMin; |
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int nWidth, nHeight, nCountMax; |
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int i, j; |
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nWidth = m_Flactale.nWidth; |
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nHeight = m_Flactale.nHeigth; |
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nCountMax = m_Flactale.nCountMax; |
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dbImgMin = m_Flactale.dbImgMin; |
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dbSide = m_Flactale.dbSide; |
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dbRealMin = m_Flactale.dbRealMin; |
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cy = dbImgMin + dbSide * nYPoint / nHeight; |
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for (i = 0; i < nWidth; i++) |
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{ |
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cx = dbRealMin + dbSide * i / nWidth; |
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zx = cx; |
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zy = cy; |
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for (j = 0; j < nCountMax; j++) |
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{ |
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if (4.0 < (zx * zx + zy * zy)) |
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{ |
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break; |
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} |
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work = zx * zx - zy * zy + cx; |
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zy = 2.0 * zx * zy + cy; |
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zx = work; |
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} |
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lpColor[i] = m_nPal[j]; |
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} |
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} |
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////////////////////////////////////////////////////////////////////////// |
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