From 12b7b727f859c4b3129fdc12c4df74797de9471a Mon Sep 17 00:00:00 2001 From: Vito Caputo Date: Sat, 23 Dec 2017 22:55:30 -0800 Subject: ray: constify all ray_3f_t method parameters --- src/modules/ray/ray_3f.h | 26 +++++++++++++------------- 1 file changed, 13 insertions(+), 13 deletions(-) (limited to 'src/modules/ray') diff --git a/src/modules/ray/ray_3f.h b/src/modules/ray/ray_3f.h index 8e852fa..2c04a5a 100644 --- a/src/modules/ray/ray_3f.h +++ b/src/modules/ray/ray_3f.h @@ -9,7 +9,7 @@ typedef struct ray_3f_t { /* return the result of (a + b) */ -static inline ray_3f_t ray_3f_add(ray_3f_t *a, ray_3f_t *b) +static inline ray_3f_t ray_3f_add(const ray_3f_t *a, const ray_3f_t *b) { ray_3f_t res = { .x = a->x + b->x, @@ -22,7 +22,7 @@ static inline ray_3f_t ray_3f_add(ray_3f_t *a, ray_3f_t *b) /* return the result of (a - b) */ -static inline ray_3f_t ray_3f_sub(ray_3f_t *a, ray_3f_t *b) +static inline ray_3f_t ray_3f_sub(const ray_3f_t *a, const ray_3f_t *b) { ray_3f_t res = { .x = a->x - b->x, @@ -35,7 +35,7 @@ static inline ray_3f_t ray_3f_sub(ray_3f_t *a, ray_3f_t *b) /* return the result of (-v) */ -static inline ray_3f_t ray_3f_negate(ray_3f_t *v) +static inline ray_3f_t ray_3f_negate(const ray_3f_t *v) { ray_3f_t res = { .x = -v->x, @@ -48,7 +48,7 @@ static inline ray_3f_t ray_3f_negate(ray_3f_t *v) /* return the result of (a * b) */ -static inline ray_3f_t ray_3f_mult(ray_3f_t *a, ray_3f_t *b) +static inline ray_3f_t ray_3f_mult(const ray_3f_t *a, const ray_3f_t *b) { ray_3f_t res = { .x = a->x * b->x, @@ -61,7 +61,7 @@ static inline ray_3f_t ray_3f_mult(ray_3f_t *a, ray_3f_t *b) /* return the result of (v * scalar) */ -static inline ray_3f_t ray_3f_mult_scalar(ray_3f_t *v, float scalar) +static inline ray_3f_t ray_3f_mult_scalar(const ray_3f_t *v, float scalar) { ray_3f_t res = { .x = v->x * scalar, @@ -74,7 +74,7 @@ static inline ray_3f_t ray_3f_mult_scalar(ray_3f_t *v, float scalar) /* return the result of (uv / scalar) */ -static inline ray_3f_t ray_3f_div_scalar(ray_3f_t *v, float scalar) +static inline ray_3f_t ray_3f_div_scalar(const ray_3f_t *v, float scalar) { ray_3f_t res = { .x = v->x / scalar, @@ -87,28 +87,28 @@ static inline ray_3f_t ray_3f_div_scalar(ray_3f_t *v, float scalar) /* return the result of (a . b) */ -static inline float ray_3f_dot(ray_3f_t *a, ray_3f_t *b) +static inline float ray_3f_dot(const ray_3f_t *a, const ray_3f_t *b) { return a->x * b->x + a->y * b->y + a->z * b->z; } /* return the length of the supplied vector */ -static inline float ray_3f_length(ray_3f_t *v) +static inline float ray_3f_length(const ray_3f_t *v) { return sqrtf(ray_3f_dot(v, v)); } /* return the normalized form of the supplied vector */ -static inline ray_3f_t ray_3f_normalize(ray_3f_t *v) +static inline ray_3f_t ray_3f_normalize(const ray_3f_t *v) { return ray_3f_mult_scalar(v, 1.0f / ray_3f_length(v)); } /* return the distance between two arbitrary points */ -static inline float ray_3f_distance(ray_3f_t *a, ray_3f_t *b) +static inline float ray_3f_distance(const ray_3f_t *a, const ray_3f_t *b) { ray_3f_t delta = ray_3f_sub(a, b); @@ -117,7 +117,7 @@ static inline float ray_3f_distance(ray_3f_t *a, ray_3f_t *b) /* return the cross product of two unit vectors */ -static inline ray_3f_t ray_3f_cross(ray_3f_t *a, ray_3f_t *b) +static inline ray_3f_t ray_3f_cross(const ray_3f_t *a, const ray_3f_t *b) { ray_3f_t product; @@ -130,7 +130,7 @@ static inline ray_3f_t ray_3f_cross(ray_3f_t *a, ray_3f_t *b) /* return the linearly interpolated vector between the two vectors at point alpha (0-1.0) */ -static inline ray_3f_t ray_3f_lerp(ray_3f_t *a, ray_3f_t *b, float alpha) +static inline ray_3f_t ray_3f_lerp(const ray_3f_t *a, const ray_3f_t *b, float alpha) { ray_3f_t lerp_a, lerp_b; @@ -142,7 +142,7 @@ static inline ray_3f_t ray_3f_lerp(ray_3f_t *a, ray_3f_t *b, float alpha) /* return the normalized linearly interpolated vector between the two vectors at point alpha (0-1.0) */ -static inline ray_3f_t ray_3f_nlerp(ray_3f_t *a, ray_3f_t *b, float alpha) +static inline ray_3f_t ray_3f_nlerp(const ray_3f_t *a, const ray_3f_t *b, float alpha) { ray_3f_t lerp; -- cgit v1.2.1