abdelrahman/cg-from-scratch
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Add unit vector utilities

Browse Source
This commit is contained in:
Abdelrahman Said
2024-02-03 18:36:58 +00:00
parent a4e67ebc18
commit 0b7ca65967
2 changed files with 25 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

20
src/vector/vec.c
View File

@@ -22,6 +22,11 @@ i32 vec_magnitude_vec2i_t(vec2i_t v) {
return (i32)sqrtf((f32)dot_product);
}
vec2i_t vec_unit_vec2i_t(vec2i_t v) {
i32 magnitude = vec_magnitude_vec2i_t(v);
return (vec2i_t){v.x / magnitude, v.y / magnitude};
}
vec2f_t vec_add_vec2f_t(vec2f_t v1, vec2f_t v2) {
return (vec2f_t){.x = v1.x + v2.x, .y = v1.y + v2.y};
}
@@ -43,6 +48,11 @@ f32 vec_magnitude_vec2f_t(vec2f_t v) {
return sqrtf(dot_product);
}
vec2f_t vec_unit_vec2f_t(vec2f_t v) {
f32 magnitude = vec_magnitude_vec2f_t(v);
return (vec2f_t){v.x / magnitude, v.y / magnitude};
}
vec3i_t vec_add_vec3i_t(vec3i_t v1, vec3i_t v2) {
return (vec3i_t){.x = v1.x + v2.x, .y = v1.y + v2.y, .z = v1.z + v2.z};
}
@@ -64,6 +74,11 @@ i32 vec_magnitude_vec3i_t(vec3i_t v) {
return (i32)sqrtf((f32)dot_product);
}
vec3i_t vec_unit_vec3i_t(vec3i_t v) {
i32 magnitude = vec_magnitude_vec3i_t(v);
return (vec3i_t){v.x / magnitude, v.y / magnitude, v.z / magnitude};
}
vec3f_t vec_add_vec3f_t(vec3f_t v1, vec3f_t v2) {
return (vec3f_t){.x = v1.x + v2.x, .y = v1.y + v2.y, .z = v1.z + v2.z};
}
@@ -84,3 +99,8 @@ f32 vec_magnitude_vec3f_t(vec3f_t v) {
f32 dot_product = vec_dot_vec3f_t(v, v);
return sqrtf(dot_product);
}
vec3f_t vec_unit_vec3f_t(vec3f_t v) {
f32 magnitude = vec_magnitude_vec3f_t(v);
return (vec3f_t){v.x / magnitude, v.y / magnitude, v.z / magnitude};
}