another vec3

crates/bevy_pbr/src/pbr_material.rs

@@ -599,6 +599,7 @@ pub struct StandardMaterialUniform {
     // /// The transform applied to the UVs corresponding to ATTRIBUTE_UV_0 on the mesh before sampling. Default is identity.
     // pub uv_transform: Mat3,
     pub uv_transform_x: Vec3,
+    pub uv_transform_y: Vec3,
     /// Linear perceptual roughness, clamped to [0.089, 1.0] in the shader
     /// Defaults to minimum of 0.089
     pub roughness: f32,
@@ -735,6 +736,7 @@ impl AsBindGroupShaderType<StandardMaterialUniform> for StandardMaterial {
             deferred_lighting_pass_id: self.deferred_lighting_pass_id as u32,
             // uv_transform: self.uv_transform.into(),
             uv_transform_x: self.uv_transform.x_axis.extend(0.0),
+            uv_transform_y: self.uv_transform.y_axis.extend(0.0),
         }
     }
 }

crates/bevy_pbr/src/render/pbr_types.wgsl

@@ -8,6 +8,7 @@ struct StandardMaterial {
     attenuation_color: vec4<f32>,
     // uv_transform: mat3x3<f32>,
     uv_transform_x: vec3<f32>,
+    uv_transform_y: vec3<f32>,
     perceptual_roughness: f32,
     metallic: f32,
     reflectance: f32,
@@ -81,6 +82,7 @@ fn standard_material_new() -> StandardMaterial {
     // scale 1, translation 0, rotation 0
     // material.uv_transform = mat3x3<f32>(1.0, 0.0, 0.0, 0.0, 1.0, 0.0, 0.0, 0.0, 1.0);
     material.uv_transform_x = vec3<f32>(1.0, 0.0, 0.0);
+    material.uv_transform_y = vec3<f32>(0.0, 1.0, 0.0);
 
     return material;
 }