bevy_transform_gizmo 0.12.1

A 3D transform gizmo for Bevy
Documentation 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51

use bevy::{
    pbr::{MaterialPipeline, MaterialPipelineKey},
    prelude::*,
    reflect::TypePath,
    render::{
        mesh::MeshVertexBufferLayoutRef,
        render_resource::{
            AsBindGroup, RenderPipelineDescriptor, ShaderRef, SpecializedMeshPipelineError,
        },
    },
};

pub const GIZMO_SHADER_HANDLE: Handle<Shader> = Handle::weak_from_u128(13953800272683943019);

#[derive(Asset, TypePath, AsBindGroup, Debug, Clone)]
pub struct GizmoMaterial {
    #[uniform(0)]
    pub color: LinearRgba,
}

impl From<Color> for GizmoMaterial {
    fn from(color: Color) -> Self {
        GizmoMaterial {
            color: color.into(),
        }
    }
}

impl Material for GizmoMaterial {
    fn vertex_shader() -> ShaderRef {
        GIZMO_SHADER_HANDLE.into()
    }

    fn fragment_shader() -> ShaderRef {
        GIZMO_SHADER_HANDLE.into()
    }

    fn alpha_mode(&self) -> AlphaMode {
        AlphaMode::Opaque
    }

    fn specialize(
        _pipeline: &MaterialPipeline<Self>,
        descriptor: &mut RenderPipelineDescriptor,
        _layout: &MeshVertexBufferLayoutRef,
        _key: MaterialPipelineKey<Self>,
    ) -> Result<(), SpecializedMeshPipelineError> {
        descriptor.primitive.cull_mode = None;
        Ok(())
    }
}