39 lines
1.3 KiB
C
39 lines
1.3 KiB
C
/* ************************************************************************** */
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/* */
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/* ::: :::::::: */
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/* maths_matrix_scale.c :+: :+: :+: */
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/* +:+ +:+ +:+ */
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/* By: ntrahy <marvin@42.fr> +#+ +:+ +#+ */
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/* +#+#+#+#+#+ +#+ */
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/* Created: 2017/01/03 00:34:45 by ntrahy #+# #+# */
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/* Updated: 2017/01/03 00:34:47 by ntrahy ### ########.fr */
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/* */
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/* ************************************************************************** */
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#include "rt.h"
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#include <math.h>
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t_matrix init_scale_matrix(double x, double y, double z)
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{
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t_matrix matrix;
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matrix.type = SCALE;
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matrix.m11 = x;
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matrix.m12 = 0;
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matrix.m13 = 0;
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matrix.m14 = 0;
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matrix.m21 = 0;
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matrix.m22 = y;
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matrix.m23 = 0;
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matrix.m24 = 0;
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matrix.m31 = 0;
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matrix.m32 = 0;
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matrix.m33 = z;
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matrix.m34 = 0;
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matrix.m41 = 0;
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matrix.m42 = 0;
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matrix.m43 = 0;
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matrix.m44 = 1;
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return (matrix);
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}
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