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quat: remove _init from quat initializer and provide vector initialiizer

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This commit is contained in:
Recep Aslantas
2016-11-29 17:23:28 +02:00
parent 941ddc38ac
commit 4c2271bfd5
1 changed files with 31 additions and 9 deletions
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40
include/cglm-quat.h
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@@ -15,17 +15,39 @@
CGLM_INLINE CGLM_INLINE
void void
glm_quat_init(versor q, glm_quat(versor q,
float angle, float angle,
float x, float x,
float y, float y,
float z) { float z) {
q[0] = cosf(angle / 2.0f); float a, c, s;
q[1] = sinf(angle / 2.0f) * x;
q[2] = sinf(angle / 2.0f) * y; a = angle / 2.0f;
q[3] = sinf(angle / 2.0f) * z; c = cosf(a);
s = sinf(a);
q[0] = c;
q[1] = s * x;
q[2] = s * y;
q[3] = s * z;
} }
CGLM_INLINE
void
glm_quatv(versor q,
float angle,
vec3 v) {
float a, c, s;
a = angle / 2.0f;
c = cosf(a);
s = sinf(a);
q[0] = c;
q[1] = s * v[0];
q[2] = s * v[1];
q[3] = s * v[2];
}
CGLM_INLINE CGLM_INLINE
float float