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H3XploR
2025-02-19 16:38:36 +01:00
parent a8f9e1724a
commit 4a67c6f905
4 changed files with 67 additions and 45 deletions
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miniRT
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miniRT.h
+8 -1
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@@ -6,7 +6,7 @@
/* By: yantoine <yantoine@student.42.fr> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2025/02/13 20:02:36 by yantoine #+# #+# */
/* Updated: 2025/02/19 16:27:24 by yantoine ### ########.fr */
/* Updated: 2025/02/19 16:37:07 by yantoine ### ########.fr */
/* */
/* ************************************************************************** */
@@ -95,6 +95,13 @@ typedef struct s_hit
t_vec3 color;
} t_hit;
typedef struct s_hit_info {
t_vec3 point;
t_vec3 normal;
t_vec3 color;
} t_hit_info;
typedef struct s_camera
{
t_vec3 camPos;
tags
+8 -1
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@@ -284,7 +284,8 @@ bpp3 minilibx-linux/test/main.c /^int bpp3;$/;" v typeref:typename:int
bpp4 minilibx-linux/test/main.c /^int bpp4;$/;" v typeref:typename:int
brightness miniRT.h /^ float brightness;$/;" m struct:s_light typeref:typename:float
c miniRT.h /^ float c;$/;" m struct:s_calc typeref:typename:float
calc_lighting trace.c /^t_vec3 calc_lighting(t_vec3 hitPoint, t_vec3 hitNormal, t_vec3 objColor,$/;" f typeref:typename:t_vec3
calc_light_contribution trace.c /^static t_vec3 calc_light_contribution(t_hit_info hit, t_light light, t_camera camera, t_scene sc/;" f typeref:typename:t_vec3 file:
calc_lighting trace.c /^t_vec3 calc_lighting(t_vec3 hit_point, t_vec3 hit_normal, t_vec3 obj_color, t_scene scene)$/;" f typeref:typename:t_vec3
camDir miniRT.h /^ t_vec3 camDir;$/;" m struct:s_camera typeref:typename:t_vec3
camPos miniRT.h /^ t_vec3 camPos;$/;" m struct:s_camera typeref:typename:t_vec3
camera miniRT.h /^ t_camera camera;$/;" m struct:s_scene typeref:typename:t_camera
@@ -297,6 +298,7 @@ check_shadow_plane shadows.c /^static bool check_shadow_plane(const t_ray shadow
check_shadow_sphere shadows.c /^static bool check_shadow_sphere(const t_ray shadow_ray, float max_t,$/;" f typeref:typename:bool file:
check_sign ft_atof.c /^inline static char *check_sign(char *str, int *sign)$/;" f typeref:typename:char * file:
check_tokens check.c /^int check_tokens(char **tokens, int expected)$/;" f typeref:typename:int
clamp_color trace.c /^static t_vec3 clamp_color(t_vec3 color)$/;" f typeref:typename:t_vec3 file:
clean libft/Makefile /^clean:$/;" t
clean makefile /^clean:$/;" t
clean minilibx-linux/Makefile /^clean :$/;" t
@@ -312,6 +314,7 @@ color miniRT.h /^ t_vec3 color;$/;" m struct:s_light typeref:typename:t_vec3
color miniRT.h /^ t_vec3 color;$/;" m struct:s_plane typeref:typename:t_vec3
color miniRT.h /^ t_vec3 color;$/;" m struct:s_sphere typeref:typename:t_vec3
color miniRT.h /^ t_vec3 color;$/;" m struct:s_hit typeref:typename:t_vec3
color miniRT.h /^ t_vec3 color;$/;" m struct:s_hit_info typeref:typename:t_vec3
color minilibx-linux/mlx_int.h /^ int color;$/;" m struct:s_col_name typeref:typename:int
color_map_1 minilibx-linux/test/main.c /^int color_map_1(void *win,int w,int h)$/;" f typeref:typename:int
color_map_2 minilibx-linux/test/main.c /^int color_map_2(unsigned char *data,int bpp,int sl,int w,int h,int endian, int type)$/;" f typeref:typename:int
@@ -568,6 +571,7 @@ ndc_y miniRT.h /^ float ndc_y;$/;" m struct:s_calc typeref:typename:float
next minilibx-linux/mlx_int.h /^ struct s_win_list *next;$/;" m struct:s_win_list typeref:struct:s_win_list *
normal miniRT.h /^ t_vec3 normal;$/;" m struct:s_plane typeref:typename:t_vec3
normal miniRT.h /^ t_vec3 normal;$/;" m struct:s_hit typeref:typename:t_vec3
normal miniRT.h /^ t_vec3 normal;$/;" m struct:s_hit_info typeref:typename:t_vec3
numAmbient miniRT.h /^ int numAmbient;$/;" m struct:s_scene typeref:typename:int
numCamera miniRT.h /^ int numCamera;$/;" m struct:s_scene typeref:typename:int
numCylinders miniRT.h /^ int numCylinders;$/;" m struct:s_scene typeref:typename:int
@@ -597,6 +601,7 @@ pix minilibx-linux/mlx_int.h /^ Pixmap pix;$/;" m struct:s_img typeref:typenam
pixels miniRT.h /^ int *pixels;$/;" m struct:s_app typeref:typename:int *
planes miniRT.h /^ t_plane planes[MAX_PLANES];$/;" m struct:s_scene typeref:typename:t_plane[]
point miniRT.h /^ t_vec3 point;$/;" m struct:s_plane typeref:typename:t_vec3
point miniRT.h /^ t_vec3 point;$/;" m struct:s_hit_info typeref:typename:t_vec3
pos miniRT.h /^ t_vec3 pos;$/;" m struct:s_light typeref:typename:t_vec3
print_cylinder print_next.c /^void print_cylinder(t_cylinder cyl)$/;" f typeref:typename:void
print_plane print_next.c /^void print_plane(t_plane plane)$/;" f typeref:typename:void
@@ -634,6 +639,7 @@ s_col_name minilibx-linux/mlx_int.h /^struct s_col_name$/;" s
s_cylinder miniRT.h /^typedef struct s_cylinder$/;" s
s_event_list minilibx-linux/mlx_int.h /^typedef struct s_event_list$/;" s
s_hit miniRT.h /^typedef struct s_hit$/;" s
s_hit_info miniRT.h /^typedef struct s_hit_info {$/;" s
s_img minilibx-linux/mlx_int.h /^typedef struct s_img$/;" s
s_info libft/libft.h /^struct s_info$/;" s
s_light miniRT.h /^typedef struct s_light$/;" s
@@ -683,6 +689,7 @@ t_cylinder miniRT.h /^} t_cylinder;$/;" t typeref:struct:s_cylinder
t_event_list minilibx-linux/mlx_int.h /^} t_event_list;$/;" t typeref:struct:s_event_list
t_final miniRT.h /^ float t_final;$/;" m struct:s_calc typeref:typename:float
t_hit miniRT.h /^} t_hit;$/;" t typeref:struct:s_hit
t_hit_info miniRT.h /^} t_hit_info;$/;" t typeref:struct:s_hit_info
t_img minilibx-linux/mlx_int.h /^} t_img;$/;" t typeref:struct:s_img
t_info libft/libft.h /^typedef struct s_info t_info;$/;" t typeref:struct:s_info
t_light miniRT.h /^} t_light;$/;" t typeref:struct:s_light
trace.c
+51 -43
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@@ -6,63 +6,71 @@
/* By: yantoine <yantoine@student.42.fr> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2025/02/17 19:07:07 by yantoine #+# #+# */
/* Updated: 2025/02/19 16:30:27 by yantoine ### ########.fr */
/* Updated: 2025/02/19 16:37:40 by yantoine ### ########.fr */
/* */
/* ************************************************************************** */
#include "miniRT.h"
// Calcule l'éclairage (ambiant, diffus et spéculaire) sur un point d'impact
t_vec3 calc_lighting(t_vec3 hitPoint, t_vec3 hitNormal, t_vec3 objColor,
t_scene scene)
static t_vec3 clamp_color(t_vec3 color)
{
int i;
t_calc calc;
if (color.x > 1.0f)
color.x = 1.0f;
if (color.y > 1.0f)
color.y = 1.0f;
if (color.z > 1.0f)
color.z = 1.0f;
return color;
}
calc.color = vec3_scale(objColor, scene.ambient.ratio);
i = 0;
while (i < scene.numLights)
{
calc.light = scene.lights[i];
calc.l = vec3_normalize(vec3_sub(calc.light.pos, hitPoint));
if (!is_in_shadow(hitPoint, calc.light.pos, scene))
{
calc.diff = fmaxf(0.0f, vec3_dot(hitNormal, calc.l));
calc.view_dir = vec3_normalize(vec3_sub(scene.camera.camPos, hitPoint));
calc.half_dir = vec3_normalize(vec3_add(calc.l, calc.view_dir));
calc.spec = powf(fmaxf(0.0f, vec3_dot(hitNormal, calc.half_dir)), 32.0f);
calc.color = vec3_add(calc.color, vec3_scale(vec3_mul(objColor, calc.light.color),
calc.diff * calc.light.brightness));
calc.color = vec3_add(calc.color, vec3_scale((t_vec3){1, 1, 1}, calc.spec
* calc.light.brightness));
}
i++;
}
if (calc.color.x > 1.0f)
calc.color.x = 1.0f;
if (calc.color.y > 1.0f)
calc.color.y = 1.0f;
if (calc.color.z > 1.0f)
calc.color.z = 1.0f;
return (calc.color);
static t_vec3 calc_light_contribution(t_hit_info hit, t_light light, t_camera camera, t_scene scene)
{
t_vec3 l = vec3_normalize(vec3_sub(light.pos, hit.point)); // Variable 1
if (is_in_shadow(hit.point, light.pos, scene))
return (t_vec3){0, 0, 0};
float diff = fmaxf(0.0f, vec3_dot(hit.normal, l)); // Variable 2
t_vec3 view_dir = vec3_normalize(vec3_sub(camera.camPos, hit.point)); // Variable 3
t_vec3 half_dir = vec3_normalize(vec3_add(l, view_dir)); // Variable 4
float spec = powf(fmaxf(0.0f, vec3_dot(hit.normal, half_dir)), 32.0f); // Variable 5
return vec3_add(
vec3_scale(vec3_mul(hit.color, light.color), diff * light.brightness),
vec3_scale((t_vec3){1, 1, 1}, spec * light.brightness));
}
t_vec3 calc_lighting(t_vec3 hit_point, t_vec3 hit_normal, t_vec3 obj_color, t_scene scene)
{
t_vec3 color = vec3_scale(obj_color, scene.ambient.ratio); // Variable 1
t_hit_info hit; // Variable 2
hit.point = hit_point;
hit.normal = hit_normal;
hit.color = obj_color;
int i = 0; // Variable 3
while (i < scene.numLights)
{
color = vec3_add(color,
calc_light_contribution(hit, scene.lights[i], scene.camera, scene));
i++;
}
return clamp_color(color);
}
// Fonction principale de lancer de rayon (trace)
t_vec3 trace(t_ray ray, t_scene scene)
{
float tMin;
t_vec3 hitNormal;
t_vec3 objColor;
t_vec3 hitPoint;
float t_min;
t_vec3 hit_normal;
t_vec3 obj_color;
t_vec3 hit_point;
tMin = 1e9;
hitNormal = (t_vec3){0, 0, 0};
objColor = (t_vec3){0, 0, 0};
t_min = 1e9;
hit_normal = (t_vec3){0, 0, 0};
obj_color = (t_vec3){0, 0, 0};
scene.ray = ray;
if (intersect_objects(&tMin, &hitNormal, &objColor, scene))
if (intersect_objects(&t_min, &hit_normal, &obj_color, scene))
{
hitPoint = vec3_add(scene.ray.origin, vec3_scale(scene.ray.dir, tMin));
return (calc_lighting(hitPoint, hitNormal, objColor, scene));
hit_point = vec3_add(scene.ray.origin, \
vec3_scale(scene.ray.dir, t_min));
return (calc_lighting(hit_point, hit_normal, obj_color, scene));
}
return ((t_vec3){0, 0, 0}); // Couleur de fond (ciel)
return ((t_vec3){0, 0, 0});
}