41 lines
1.6 KiB
C
41 lines
1.6 KiB
C
/* ************************************************************************** */
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/* */
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/* ::: :::::::: */
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/* specular.c :+: :+: :+: */
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/* +:+ +:+ +:+ */
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/* By: scebula <marvin@42.fr> +#+ +:+ +#+ */
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/* +#+#+#+#+#+ +#+ */
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/* Created: 2016/10/01 16:50:16 by scebula #+# #+# */
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/* Updated: 2016/10/20 17:41:34 by scebula ### ########.fr */
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/* */
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/* ************************************************************************** */
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#include "rt.h"
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void add_specular_color(t_color *final_color, t_color light_color,
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double specular, double degree)
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{
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specular = pow(specular, 10);
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color_scale(&light_color, specular * degree);
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color_add(final_color, light_color);
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}
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void calculate_specular_color(t_color *final_color, t_color light_color,
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t_record *info)
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{
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double specular;
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calculate_refl_ray(info);
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specular = dot_product_vector(info->refl_dir, info->to_light_dir);
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if (specular > 0)
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add_specular_color(final_color, light_color, specular,
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*info->obj->shinex);
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}
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void specular_color(t_record *info, t_color *final_color,
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t_light *light_list)
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{
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if (*info->obj->shinex > 0 && *info->obj->shinex <= 1)
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calculate_specular_color(final_color, light_list->color, info);
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}
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