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quaternions

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This commit is contained in:
Recep Aslantas
2016-09-18 00:53:24 +03:00
parent 5a28f2ec60
commit 6c0cfe310a
4 changed files with 189 additions and 50 deletions
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27
include/cglm-vec.h
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@@ -41,7 +41,7 @@ glm_vec_dot(vec3 a, vec3 b) {
CGLM_INLINE
float
glm_vec_dot4(vec4 a, vec4 b) {
glm_vec4_dot(vec4 a, vec4 b) {
return a[0] * b[0] + a[1] * b[1] + a[2] * b[2] + a[3] * b[3];
}
@@ -60,6 +60,13 @@ glm_vec_norm(vec3 vec) {
return sqrtf(vec[0] * vec[0] + vec[1] * vec[1] + vec[2] * vec[2]);
}
CGLM_INLINE
float
glm_vec4_norm(vec3 vec) {
return sqrtf(vec[0] * vec[0] + vec[1] * vec[1]
+ vec[2] * vec[2] + vec[3] * vec[3]);
}
CGLM_INLINE
void
glm_vec_normalize_to(vec3 vec, vec3 dest) {
@@ -94,6 +101,24 @@ glm_vec_normalize(vec3 v) {
v[2] = v[2] / norm;
}
CGLM_INLINE
void
glm_vec4_normalize(vec4 v) {
float norm;
norm = glm_vec_norm(v);
if (norm == 0.0f) {
v[0] = v[1] = v[2] = v[3] = 0.0f;
return;
}
v[0] = v[0] / norm;
v[1] = v[1] / norm;
v[2] = v[2] / norm;
v[3] = v[3] / norm;
}
CGLM_INLINE
void
glm_vec_add(vec3 v1, vec3 v2, vec3 dest) {