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/Vector3x8.zig
+++ b/packages/vecmath/src/vectors/Vector3x8.zig
@@ -48,6 +48,14 @@ pub const Vector3x8 = struct {

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

+    pub inline fn dropZ(self: Vector3x8) vm.Vector2x8 {
+        return .{ .x = self.x, .y = self.y };
+    }
+
+    pub inline fn withW(self: Vector3x8, w: vm.f32x8) vm.Vector4x8 {
+        return .{ .x = self.x, .y = self.y, .z = self.z, .w = w };
+    }
+
    pub inline fn asArrayOfVectors(self: Vector3x8) [8]vm.Vector3 {
        const vector: @Vector(24, f32) = self.x ++ self.y ++ self.z;
        return @bitCast(@as([16]f32, @shuffle(f32, vector, undefined, [_]i32{