initial commit

1 files changed, 67 insertions, 0 deletions

diff --git a/libs/pwyazh/v2f.h b/libs/pwyazh/v2f.h
new file mode 100644
index 0000000..bc09b45
--- /dev/null
+++ b/libs/pwyazh/v2f.h
@@ -0,0 +1,67 @@
+#ifndef V2F_H
+#define V2F_H
+
+V2F
+v2f(F32 x, F32 y)
+{
+    V2F result = { x, y };
+    return(result);
+}
+
+V2F
+v2f_zero()
+{
+    V2F result = { 0.0f, 0.0f };
+    return(result);
+}
+
+V2F
+v2f_add(V2F a, V2F b)
+{
+    V2F result = { a.x+b.x, a.y+b.y };
+    return(result);
+}
+
+V2F
+v2f_sub(V2F a, V2F b)
+{
+    V2F result = { a.x-b.x, a.y-b.y };
+    return(result);
+}
+
+V2F
+v2f_scalef(V2F a, F32 scale)
+{
+    V2F result = { a.x*scale, a.y*scale };
+    return(result);
+}
+
+V2F
+v2f_scalev(V2F a, V2F scale)
+{
+    V2F result = { a.x*scale.x, a.y*scale.y };
+    return(result);
+}
+
+
+F32
+v2f_length2(V2F a)
+{
+    F32 result = a.x*a.x+a.y*a.y;
+    return(result);
+}
+
+F32
+v2f_length(V2F a)
+{
+    F32 result = f32_sqrt(v2f_length2(a));
+    return(result);
+}
+
+void
+v2f_print(V2F a)
+{
+    printf("[%4.4f\n%4.4f]\n\n", a.x, a.y);
+}
+
+#endif /* V2F_H */