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-rw-r--r--src/ft_darken_rgb.c33
1 files changed, 33 insertions, 0 deletions
diff --git a/src/ft_darken_rgb.c b/src/ft_darken_rgb.c
new file mode 100644
index 0000000..223a540
--- /dev/null
+++ b/src/ft_darken_rgb.c
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+/* ************************************************************************** */
+/* */
+/* ::: :::::::: */
+/* ft_darken_rgb.c :+: :+: :+: */
+/* +:+ +:+ +:+ */
+/* By: rbousset <marvin@42.fr> +#+ +:+ +#+ */
+/* +#+#+#+#+#+ +#+ */
+/* Created: 2020/03/05 16:04:28 by rbousset #+# #+# */
+/* Updated: 2020/03/05 16:04:29 by rbousset ### ########lyon.fr */
+/* */
+/* ************************************************************************** */
+
+#include <cub3d.h>
+#include <stdint.h>
+
+uint32_t
+ ft_darken(t_rgb rgb, t_cub *cl)
+{
+ t_rgb darker;
+ float calc;
+ float dist;
+
+ if ((dist = cl->rlist.row_dist) <= 0)
+ dist = 0.0001;
+ calc = (dist * 0.1 * cl->mlist.darklvl);
+ calc = (calc >= 255) ? (255) : (calc);
+ calc = (calc < 1) ? (1) : (calc);
+ darker = rgb;
+ darker.r /= calc;
+ darker.g /= calc;
+ darker.b /= calc;
+ return (ft_rgb_to_hex(darker));
+}