Add widening/shortening vector dimensions

2026-01-04 17:13:31 +01:00
parent ed6391e97a
commit 7e8103565d
12 changed files with 102 additions and 6 deletions
--- a/packages/vecmath/src/vectors/Vector4Int_x8.zig
+++ b/packages/vecmath/src/vectors/Vector4Int_x8.zig
@@ -52,6 +52,14 @@ pub const Vector4Int_x8 = struct {

    // --- CONVERSION ----------------------------------------------------------

+    pub inline fn dropW(self: Vector4Int_x8) vm.Vector3Int_x8 {
+        return .{ .x = self.x, .y = self.y, .z = self.z };
+    }
+
+    pub inline fn dropZW(self: Vector4Int_x8) vm.Vector2Int_x8 {
+        return .{ .x = self.x, .y = self.y };
+    }
+
    pub inline fn asArrayOfVectors(self: Vector4Int_x8) [8]vm.Vector4 {
        const vector: @Vector(32, i32) = self.x ++ self.y ++ self.z ++ self.w;
        return @bitCast(@as([32]i32, @shuffle(i32, vector, undefined, [_]i32{