red pill

modules/math/vector3.sx

@@ -0,0 +1,22 @@
+#import "math.sx";
+
+vec3_dot :: (a: Vector(3,f32), b: Vector(3,f32)) -> f32 {
+    return a.x*b.x + a.y*b.y + a.z*b.z;
+}
+dot :: ufcs vec3_dot;
+
+vec3_cross :: (a: Vector(3,f32), b: Vector(3,f32)) -> Vector(3,f32) {
+    .[a.y*b.z - a.z*b.y, a.z*b.x - a.x*b.z, a.x*b.y - a.y*b.x];
+}
+cross :: ufcs vec3_cross;
+
+vec3_length :: (v: Vector(3,f32)) -> f32 {
+    return sqrt(dot(v, v));
+}
+length :: ufcs vec3_length;
+
+
+vec3_normal :: (v: Vector(3,f32)) -> Vector(3,f32) {
+    return v / length(v);
+}
+normal :: ufcs vec3_normal;