53 lines
1.6 KiB
C
53 lines
1.6 KiB
C
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/*
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Apophysis Plugin
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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typedef struct
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{
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double dc_linear_offset, dc_linear_angle, dc_linear_scale;
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double ldcs, ldca;
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} Variables;
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#define _USE_MATH_DEFINES
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#include "apoplugin.h"
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APO_PLUGIN("dc_linear");
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APO_VARIABLES(
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VAR_REAL(dc_linear_offset, 0.0),
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VAR_REAL(dc_linear_angle, 0.0),
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VAR_REAL(dc_linear_scale, 1.0),
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);
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int PluginVarPrepare(Variation* vp)
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{
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VAR(ldcs) = 1.0 / (VAR(dc_linear_scale) == 0.0 ? 10E-6 : VAR(dc_linear_scale));
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VAR(ldca) = VAR(dc_linear_offset) * M_PI;
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return TRUE;
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}
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int PluginVarCalc(Variation* vp)
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{
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FPx += VVAR * FTx;
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FPy += VVAR * FTy;
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FPz += VVAR * FTz;
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double c, s; fsincos(VAR(dc_linear_angle), &s, &c);
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TC = fmod( fabs( 0.5 * (VAR(ldcs) * ((c * FPx + s * FPy + VAR(dc_linear_offset))) + 1.0) ), 1.0 );
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return TRUE;
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}
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