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base: fix ray_dist_to_point

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This commit is contained in:
luboslenco
2026-05-13 10:54:10 +02:00
parent e1671dcbd9
commit 3b92ba3bab
1 changed files with 6 additions and 12 deletions
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base/sources/iron_raycast.c
+6 -12
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@@ -98,18 +98,12 @@ vec4_t ray_at(ray_t *raw, f32 t) {
}
f32 ray_dist_to_point(ray_t *raw, vec4_t point) {
vec4_t v1 = (vec4_t){0.0, 0.0, 0.0, 0.0};
f32 dir_dist = vec4_dot(vec4_sub(point, raw->origin), raw->dir);
// Point behind the ray
if (dir_dist < 0) {
return vec4_dist(raw->origin, point);
}
raw->dir = vec4_mult(raw->dir, dir_dist);
raw->dir = vec4_add(raw->dir, raw->origin);
return vec4_dist(v1, point);
vec4_t dir = vec4_norm(raw->dir);
f32 t = vec4_dot(vec4_sub(point, raw->origin), dir);
if (t < 0.0f)
t = 0.0f;
vec4_t closest = vec4_add(raw->origin, vec4_mult(dir, t));
return vec4_dist(closest, point);
}
bool ray_intersects_sphere(ray_t *raw, vec4_t sphere_center, f32 sphere_radius) {