upd: tmpHEADmain

1 files changed, 26 insertions, 0 deletions

diff --git a/src/vector.c b/src/vector.c
index 7da6cc5..7274cbb 100644
--- a/src/vector.c
+++ b/src/vector.c
@@ -1 +1,27 @@
+#include <math.h>
+
 #include "vector.h"
+
+static inline double vec3_magnitude(Vec3 v) {
+	return hypot(v.x, hypot(v.y, v.z));
+}
+
+static inline Vec3 vec3_diff(Vec3 a, Vec3 b) {
+	return (Vec3){.x = a.x - b.x,
+				  .y = a.y - b.y,
+				  .z = a.z - b.z};
+}
+
+static inline Vec3 vec3_normalize(Vec3 v) {
+	double len = sqrt(v.x * v.x
+					  + v.y * v.y
+					  + v.z * v.z);
+	if (len != 0.0)
+		return (Vec3){.x = v.x / len,
+					  .y = v.y / len,
+					  .z = v.z / len};
+}
+
+static inline Vec3 vec3_mul(Vec3 v, double n) {
+	
+}